MIPS: sync processor and register definitions with linux-4.4
authorDaniel Schwierzeck <daniel.schwierzeck@gmail.com>
Tue, 12 Jan 2016 20:48:26 +0000 (21:48 +0100)
committerDaniel Schwierzeck <daniel.schwierzeck@gmail.com>
Sat, 16 Jan 2016 20:06:46 +0000 (21:06 +0100)
Update definitions for processor, registers as well as assemby
macros.

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
arch/mips/include/asm/asm.h
arch/mips/include/asm/isadep.h
arch/mips/include/asm/mipsregs.h
arch/mips/include/asm/processor.h
arch/mips/include/asm/ptrace.h
arch/mips/include/asm/regdef.h
arch/mips/lib/cache.c
arch/mips/lib/cache_init.S

index 8c9c4e27148b7e3e6d2e3045dbacba6a04c5bb57..44694a3fb83356319c1062837892b0ce0d303b6c 100644 (file)
@@ -1,8 +1,4 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1995, 1996, 1997, 1999, 2001 by Ralf Baechle
  * Copyright (C) 1999 by Silicon Graphics, Inc.
  * Copyright (C) 2001 MIPS Technologies, Inc.
@@ -13,6 +9,8 @@
  * Some of the routines below contain useless nops that will be optimized
  * away by gas in -O mode. These nops are however required to fill delay
  * slots in noreorder mode.
+ *
+ * SPDX-License-Identifier:    GPL-2.0
  */
 #ifndef __ASM_ASM_H
 #define __ASM_ASM_H
  * Not used for the kernel but here seems to be the right place.
  */
 #ifdef __PIC__
-#define CPRESTORE(register)                             \
+#define CPRESTORE(register)                            \
                .cprestore register
-#define CPADD(register)                                 \
+#define CPADD(register)                                        \
                .cpadd  register
-#define CPLOAD(register)                                \
-               .cpload register
+#define CPLOAD(register)                               \
+               .cpload register
 #else
 #define CPRESTORE(register)
 #define CPADD(register)
 #define CPLOAD(register)
 #endif
 
-#define ENTRY(symbol)                                   \
-               .globl  symbol;                         \
-               .type   symbol, @function;              \
-               .ent    symbol, 0;                      \
+#define ENTRY(symbol)                                  \
+               .globl  symbol;                         \
+               .type   symbol, @function;              \
+               .ent    symbol, 0;                      \
 symbol:
 
 /*
  * LEAF - declare leaf routine
  */
-#define        LEAF(symbol)                                    \
-               .globl  symbol;                         \
-               .align  2;                              \
-               .type   symbol, @function;              \
-               .ent    symbol, 0;                      \
+#define LEAF(symbol)                                   \
+               .globl  symbol;                         \
+               .align  2;                              \
+               .type   symbol, @function;              \
+               .ent    symbol, 0;                      \
                .section .text.symbol, "x";             \
 symbol:                .frame  sp, 0, ra
 
 /*
  * NESTED - declare nested routine entry point
  */
-#define        NESTED(symbol, framesize, rpc)                  \
-               .globl  symbol;                         \
-               .align  2;                              \
-               .type   symbol, @function;              \
-               .ent    symbol, 0;                      \
+#define NESTED(symbol, framesize, rpc)                 \
+               .globl  symbol;                         \
+               .align  2;                              \
+               .type   symbol, @function;              \
+               .ent    symbol, 0;                      \
                .section .text.symbol, "x";             \
 symbol:                .frame  sp, framesize, rpc
 
 /*
  * END - mark end of function
  */
-#define        END(function)                                   \
-               .end    function;                       \
+#define END(function)                                  \
+               .end    function;                       \
                .size   function, .-function
 
 /*
  * EXPORT - export definition of symbol
  */
 #define EXPORT(symbol)                                 \
-               .globl  symbol;                         \
+               .globl  symbol;                         \
 symbol:
 
 /*
@@ -98,16 +96,16 @@ symbol:
 /*
  * ABS - export absolute symbol
  */
-#define        ABS(symbol,value)                               \
-               .globl  symbol;                         \
+#define ABS(symbol,value)                              \
+               .globl  symbol;                         \
 symbol         =       value
 
-#define        PANIC(msg)                                      \
+#define PANIC(msg)                                     \
                .set    push;                           \
-               .set    reorder;                        \
-               PTR_LA  a0, 8f;                          \
-               jal     panic;                          \
-9:             b       9b;                             \
+               .set    reorder;                        \
+               PTR_LA  a0, 8f;                          \
+               jal     panic;                          \
+9:             b       9b;                             \
                .set    pop;                            \
                TEXT(msg)
 
@@ -115,31 +113,31 @@ symbol            =       value
  * Print formatted string
  */
 #ifdef CONFIG_PRINTK
-#define PRINT(string)                                   \
+#define PRINT(string)                                  \
                .set    push;                           \
-               .set    reorder;                        \
-               PTR_LA  a0, 8f;                          \
-               jal     printk;                         \
+               .set    reorder;                        \
+               PTR_LA  a0, 8f;                          \
+               jal     printk;                         \
                .set    pop;                            \
                TEXT(string)
 #else
 #define PRINT(string)
 #endif
 
-#define        TEXT(msg)                                       \
+#define TEXT(msg)                                      \
                .pushsection .data;                     \
-8:             .asciiz msg;                            \
+8:             .asciiz msg;                            \
                .popsection;
 
 /*
  * Build text tables
  */
-#define TTABLE(string)                                  \
+#define TTABLE(string)                                 \
                .pushsection .text;                     \
-               .word   1f;                             \
+               .word   1f;                             \
                .popsection                             \
                .pushsection .data;                     \
-1:             .asciiz string;                         \
+1:             .asciiz string;                         \
                .popsection
 
 /*
@@ -151,21 +149,29 @@ symbol            =       value
  */
 #ifdef CONFIG_CPU_HAS_PREFETCH
 
-#define PREF(hint,addr)                                 \
+#define PREF(hint, addr)                               \
                .set    push;                           \
-               .set    mips4;                          \
+               .set    arch=r5000;                     \
                pref    hint, addr;                     \
                .set    pop
 
-#define PREFX(hint,addr)                                \
+#define PREFE(hint, addr)                              \
+               .set    push;                           \
+               .set    mips0;                          \
+               .set    eva;                            \
+               prefe   hint, addr;                     \
+               .set    pop
+
+#define PREFX(hint, addr)                              \
                .set    push;                           \
-               .set    mips4;                          \
+               .set    arch=r5000;                     \
                prefx   hint, addr;                     \
                .set    pop
 
 #else /* !CONFIG_CPU_HAS_PREFETCH */
 
 #define PREF(hint, addr)
+#define PREFE(hint, addr)
 #define PREFX(hint, addr)
 
 #endif /* !CONFIG_CPU_HAS_PREFETCH */
@@ -174,42 +180,42 @@ symbol            =       value
  * MIPS ISA IV/V movn/movz instructions and equivalents for older CPUs.
  */
 #if (_MIPS_ISA == _MIPS_ISA_MIPS1)
-#define MOVN(rd, rs, rt)                                \
+#define MOVN(rd, rs, rt)                               \
                .set    push;                           \
                .set    reorder;                        \
-               beqz    rt, 9f;                         \
-               move    rd, rs;                         \
+               beqz    rt, 9f;                         \
+               move    rd, rs;                         \
                .set    pop;                            \
 9:
-#define MOVZ(rd, rs, rt)                                \
+#define MOVZ(rd, rs, rt)                               \
                .set    push;                           \
                .set    reorder;                        \
-               bnez    rt, 9f;                         \
-               move    rd, rs;                         \
+               bnez    rt, 9f;                         \
+               move    rd, rs;                         \
                .set    pop;                            \
 9:
 #endif /* _MIPS_ISA == _MIPS_ISA_MIPS1 */
 #if (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3)
-#define MOVN(rd, rs, rt)                                \
+#define MOVN(rd, rs, rt)                               \
                .set    push;                           \
                .set    noreorder;                      \
-               bnezl   rt, 9f;                         \
-                move   rd, rs;                         \
+               bnezl   rt, 9f;                         \
+                move   rd, rs;                         \
                .set    pop;                            \
 9:
-#define MOVZ(rd, rs, rt)                                \
+#define MOVZ(rd, rs, rt)                               \
                .set    push;                           \
                .set    noreorder;                      \
-               beqzl   rt, 9f;                         \
-                move   rd, rs;                         \
+               beqzl   rt, 9f;                         \
+                move   rd, rs;                         \
                .set    pop;                            \
 9:
 #endif /* (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3) */
 #if (_MIPS_ISA == _MIPS_ISA_MIPS4 ) || (_MIPS_ISA == _MIPS_ISA_MIPS5) || \
     (_MIPS_ISA == _MIPS_ISA_MIPS32) || (_MIPS_ISA == _MIPS_ISA_MIPS64)
-#define MOVN(rd, rs, rt)                                \
+#define MOVN(rd, rs, rt)                               \
                movn    rd, rs, rt
-#define MOVZ(rd, rs, rt)                                \
+#define MOVZ(rd, rs, rt)                               \
                movz    rd, rs, rt
 #endif /* MIPS IV, MIPS V, MIPS32 or MIPS64 */
 
@@ -304,6 +310,7 @@ symbol              =       value
 #define LONG_SUBU      subu
 #define LONG_L         lw
 #define LONG_S         sw
+#define LONG_SP                swp
 #define LONG_SLL       sll
 #define LONG_SLLV      sllv
 #define LONG_SRL       srl
@@ -326,6 +333,7 @@ symbol              =       value
 #define LONG_SUBU      dsubu
 #define LONG_L         ld
 #define LONG_S         sd
+#define LONG_SP                sdp
 #define LONG_SLL       dsll
 #define LONG_SLLV      dsllv
 #define LONG_SRL       dsrl
index 24c6cda7937760e0ddd6e7ffa3d033b9e5ed4981..3d79ebcf593c452953bf975ebe72093014acc750 100644 (file)
@@ -4,6 +4,8 @@
  * of Coprocessor 0 registers.
  *
  * Copyright (c) 1998 Harald Koerfgen
+ *
+ * SPDX-License-Identifier:    GPL-2.0
  */
 
 #ifndef __ASM_ISADEP_H
@@ -18,7 +20,7 @@
  * kernel or user mode? (CP0_STATUS)
  */
 #define KU_MASK 0x08
-#define        KU_USER 0x08
+#define KU_USER 0x08
 #define KU_KERN 0x00
 
 #else
@@ -26,7 +28,7 @@
  * kernel or user mode?
  */
 #define KU_MASK 0x18
-#define        KU_USER 0x10
+#define KU_USER 0x10
 #define KU_KERN 0x00
 
 #endif
index c7a08499ff2b51977702f02bf2f5fc212ec9f2be..3185dc7abf2048d3ea4d917c678333d04b63509c 100644 (file)
@@ -1,22 +1,16 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle
  * Copyright (C) 2000 Silicon Graphics, Inc.
  * Modified for further R[236]000 support by Paul M. Antoine, 1996.
  * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
  * Copyright (C) 2000, 07 MIPS Technologies, Inc.
  * Copyright (C) 2003, 2004  Maciej W. Rozycki
+ *
+ * SPDX-License-Identifier:    GPL-2.0
  */
 #ifndef _ASM_MIPSREGS_H
 #define _ASM_MIPSREGS_H
 
-#if 0
-#include <linux/linkage.h>
-#endif
-
 /*
  * The following macros are especially useful for __asm__
  * inline assembler.
@@ -49,7 +43,9 @@
 #define CP0_PAGEMASK $5
 #define CP0_WIRED $6
 #define CP0_INFO $7
+#define CP0_HWRENA $7, 0
 #define CP0_BADVADDR $8
+#define CP0_BADINSTR $8, 1
 #define CP0_COUNT $9
 #define CP0_ENTRYHI $10
 #define CP0_COMPARE $11
 #define CP0_CAUSE $13
 #define CP0_EPC $14
 #define CP0_PRID $15
+#define CP0_EBASE $15, 1
+#define CP0_CMGCRBASE $15, 3
 #define CP0_CONFIG $16
+#define CP0_CONFIG3 $16, 3
+#define CP0_CONFIG5 $16, 5
 #define CP0_LLADDR $17
 #define CP0_WATCHLO $18
 #define CP0_WATCHHI $19
 /*
  * Coprocessor 0 Set 2 register names
  */
-#define CP0_S2_SRSCTL  $12     /* MIPSR2 */
+#define CP0_S2_SRSCTL    $12   /* MIPSR2 */
 
 /*
  * Coprocessor 0 Set 3 register names
  */
-#define CP0_S3_SRSMAP  $12     /* MIPSR2 */
+#define CP0_S3_SRSMAP    $12   /* MIPSR2 */
 
 /*
  *  TX39 Series
  */
 #define CP0_TX39_CACHE $7
 
-/*
- * Coprocessor 1 (FPU) register names
- */
-#define CP1_REVISION   $0
-#define CP1_STATUS     $31
 
-/*
- * FPU Status Register Values
- */
-/*
- * Status Register Values
- */
+/* Generic EntryLo bit definitions */
+#define ENTRYLO_G              (_ULCAST_(1) << 0)
+#define ENTRYLO_V              (_ULCAST_(1) << 1)
+#define ENTRYLO_D              (_ULCAST_(1) << 2)
+#define ENTRYLO_C_SHIFT                3
+#define ENTRYLO_C              (_ULCAST_(7) << ENTRYLO_C_SHIFT)
 
-#define FPU_CSR_FLUSH  0x01000000      /* flush denormalised results to 0 */
-#define FPU_CSR_COND   0x00800000      /* $fcc0 */
-#define FPU_CSR_COND0  0x00800000      /* $fcc0 */
-#define FPU_CSR_COND1  0x02000000      /* $fcc1 */
-#define FPU_CSR_COND2  0x04000000      /* $fcc2 */
-#define FPU_CSR_COND3  0x08000000      /* $fcc3 */
-#define FPU_CSR_COND4  0x10000000      /* $fcc4 */
-#define FPU_CSR_COND5  0x20000000      /* $fcc5 */
-#define FPU_CSR_COND6  0x40000000      /* $fcc6 */
-#define FPU_CSR_COND7  0x80000000      /* $fcc7 */
+/* R3000 EntryLo bit definitions */
+#define R3K_ENTRYLO_G          (_ULCAST_(1) << 8)
+#define R3K_ENTRYLO_V          (_ULCAST_(1) << 9)
+#define R3K_ENTRYLO_D          (_ULCAST_(1) << 10)
+#define R3K_ENTRYLO_N          (_ULCAST_(1) << 11)
 
-/*
- * X the exception cause indicator
- * E the exception enable
- * S the sticky/flag bit
- */
-#define FPU_CSR_ALL_X  0x0003f000
-#define FPU_CSR_UNI_X  0x00020000
-#define FPU_CSR_INV_X  0x00010000
-#define FPU_CSR_DIV_X  0x00008000
-#define FPU_CSR_OVF_X  0x00004000
-#define FPU_CSR_UDF_X  0x00002000
-#define FPU_CSR_INE_X  0x00001000
-
-#define FPU_CSR_ALL_E  0x00000f80
-#define FPU_CSR_INV_E  0x00000800
-#define FPU_CSR_DIV_E  0x00000400
-#define FPU_CSR_OVF_E  0x00000200
-#define FPU_CSR_UDF_E  0x00000100
-#define FPU_CSR_INE_E  0x00000080
-
-#define FPU_CSR_ALL_S  0x0000007c
-#define FPU_CSR_INV_S  0x00000040
-#define FPU_CSR_DIV_S  0x00000020
-#define FPU_CSR_OVF_S  0x00000010
-#define FPU_CSR_UDF_S  0x00000008
-#define FPU_CSR_INE_S  0x00000004
-
-/* rounding mode */
-#define FPU_CSR_RN     0x0     /* nearest */
-#define FPU_CSR_RZ     0x1     /* towards zero */
-#define FPU_CSR_RU     0x2     /* towards +Infinity */
-#define FPU_CSR_RD     0x3     /* towards -Infinity */
+/* MIPS32/64 EntryLo bit definitions */
+#define MIPS_ENTRYLO_PFN_SHIFT 6
+#define MIPS_ENTRYLO_XI                (_ULCAST_(1) << (BITS_PER_LONG - 2))
+#define MIPS_ENTRYLO_RI                (_ULCAST_(1) << (BITS_PER_LONG - 1))
 
 /*
  * Values for PageMask register
 #else
 
 #define PM_4K          0x00000000
+#define PM_8K          0x00002000
 #define PM_16K         0x00006000
+#define PM_32K         0x0000e000
 #define PM_64K         0x0001e000
+#define PM_128K                0x0003e000
 #define PM_256K                0x0007e000
+#define PM_512K                0x000fe000
 #define PM_1M          0x001fe000
+#define PM_2M          0x003fe000
 #define PM_4M          0x007fe000
+#define PM_8M          0x00ffe000
 #define PM_16M         0x01ffe000
+#define PM_32M         0x03ffe000
 #define PM_64M         0x07ffe000
 #define PM_256M                0x1fffe000
+#define PM_1G          0x7fffe000
 
 #endif
 
 #define PL_64M         26
 #define PL_256M                28
 
+/*
+ * PageGrain bits
+ */
+#define PG_RIE         (_ULCAST_(1) <<  31)
+#define PG_XIE         (_ULCAST_(1) <<  30)
+#define PG_ELPA                (_ULCAST_(1) <<  29)
+#define PG_ESP         (_ULCAST_(1) <<  28)
+#define PG_IEC         (_ULCAST_(1) <<  27)
+
+/* MIPS32/64 EntryHI bit definitions */
+#define MIPS_ENTRYHI_EHINV     (_ULCAST_(1) << 10)
+
 /*
  * R4x00 interrupt enable / cause bits
  */
-#define IE_SW0         (_ULCAST_(1) <<  8)
-#define IE_SW1         (_ULCAST_(1) <<  9)
+#define IE_SW0         (_ULCAST_(1) <<  8)
+#define IE_SW1         (_ULCAST_(1) <<  9)
 #define IE_IRQ0                (_ULCAST_(1) << 10)
 #define IE_IRQ1                (_ULCAST_(1) << 11)
 #define IE_IRQ2                (_ULCAST_(1) << 12)
 /*
  * R4x00 interrupt cause bits
  */
-#define C_SW0          (_ULCAST_(1) <<  8)
-#define C_SW1          (_ULCAST_(1) <<  9)
+#define C_SW0          (_ULCAST_(1) <<  8)
+#define C_SW1          (_ULCAST_(1) <<  9)
 #define C_IRQ0         (_ULCAST_(1) << 10)
 #define C_IRQ1         (_ULCAST_(1) << 11)
 #define C_IRQ2         (_ULCAST_(1) << 12)
 /*
  * Bits specific to the R4640/R4650
  */
-#define ST0_UM                 (_ULCAST_(1) <<  4)
+#define ST0_UM                 (_ULCAST_(1) <<  4)
 #define ST0_IL                 (_ULCAST_(1) << 23)
 #define ST0_DL                 (_ULCAST_(1) << 24)
 
  */
 #define ST0_MX                 0x01000000
 
-/*
- * Bitfields in the TX39 family CP0 Configuration Register 3
- */
-#define TX39_CONF_ICS_SHIFT    19
-#define TX39_CONF_ICS_MASK     0x00380000
-#define TX39_CONF_ICS_1KB      0x00000000
-#define TX39_CONF_ICS_2KB      0x00080000
-#define TX39_CONF_ICS_4KB      0x00100000
-#define TX39_CONF_ICS_8KB      0x00180000
-#define TX39_CONF_ICS_16KB     0x00200000
-
-#define TX39_CONF_DCS_SHIFT    16
-#define TX39_CONF_DCS_MASK     0x00070000
-#define TX39_CONF_DCS_1KB      0x00000000
-#define TX39_CONF_DCS_2KB      0x00010000
-#define TX39_CONF_DCS_4KB      0x00020000
-#define TX39_CONF_DCS_8KB      0x00030000
-#define TX39_CONF_DCS_16KB     0x00040000
-
-#define TX39_CONF_CWFON                0x00004000
-#define TX39_CONF_WBON         0x00002000
-#define TX39_CONF_RF_SHIFT     10
-#define TX39_CONF_RF_MASK      0x00000c00
-#define TX39_CONF_DOZE         0x00000200
-#define TX39_CONF_HALT         0x00000100
-#define TX39_CONF_LOCK         0x00000080
-#define TX39_CONF_ICE          0x00000020
-#define TX39_CONF_DCE          0x00000010
-#define TX39_CONF_IRSIZE_SHIFT 2
-#define TX39_CONF_IRSIZE_MASK  0x0000000c
-#define TX39_CONF_DRSIZE_SHIFT 0
-#define TX39_CONF_DRSIZE_MASK  0x00000003
-
 /*
  * Status register bits available in all MIPS CPUs.
  */
 #define ST0_IM                 0x0000ff00
-#define  STATUSB_IP0           8
-#define  STATUSF_IP0           (_ULCAST_(1) <<  8)
-#define  STATUSB_IP1           9
-#define  STATUSF_IP1           (_ULCAST_(1) <<  9)
-#define  STATUSB_IP2           10
-#define  STATUSF_IP2           (_ULCAST_(1) << 10)
-#define  STATUSB_IP3           11
-#define  STATUSF_IP3           (_ULCAST_(1) << 11)
-#define  STATUSB_IP4           12
-#define  STATUSF_IP4           (_ULCAST_(1) << 12)
-#define  STATUSB_IP5           13
-#define  STATUSF_IP5           (_ULCAST_(1) << 13)
-#define  STATUSB_IP6           14
-#define  STATUSF_IP6           (_ULCAST_(1) << 14)
-#define  STATUSB_IP7           15
-#define  STATUSF_IP7           (_ULCAST_(1) << 15)
-#define  STATUSB_IP8           0
-#define  STATUSF_IP8           (_ULCAST_(1) <<  0)
-#define  STATUSB_IP9           1
-#define  STATUSF_IP9           (_ULCAST_(1) <<  1)
-#define  STATUSB_IP10          2
-#define  STATUSF_IP10          (_ULCAST_(1) <<  2)
-#define  STATUSB_IP11          3
-#define  STATUSF_IP11          (_ULCAST_(1) <<  3)
-#define  STATUSB_IP12          4
-#define  STATUSF_IP12          (_ULCAST_(1) <<  4)
-#define  STATUSB_IP13          5
-#define  STATUSF_IP13          (_ULCAST_(1) <<  5)
-#define  STATUSB_IP14          6
-#define  STATUSF_IP14          (_ULCAST_(1) <<  6)
-#define  STATUSB_IP15          7
-#define  STATUSF_IP15          (_ULCAST_(1) <<  7)
+#define         STATUSB_IP0            8
+#define         STATUSF_IP0            (_ULCAST_(1) <<  8)
+#define         STATUSB_IP1            9
+#define         STATUSF_IP1            (_ULCAST_(1) <<  9)
+#define         STATUSB_IP2            10
+#define         STATUSF_IP2            (_ULCAST_(1) << 10)
+#define         STATUSB_IP3            11
+#define         STATUSF_IP3            (_ULCAST_(1) << 11)
+#define         STATUSB_IP4            12
+#define         STATUSF_IP4            (_ULCAST_(1) << 12)
+#define         STATUSB_IP5            13
+#define         STATUSF_IP5            (_ULCAST_(1) << 13)
+#define         STATUSB_IP6            14
+#define         STATUSF_IP6            (_ULCAST_(1) << 14)
+#define         STATUSB_IP7            15
+#define         STATUSF_IP7            (_ULCAST_(1) << 15)
+#define         STATUSB_IP8            0
+#define         STATUSF_IP8            (_ULCAST_(1) <<  0)
+#define         STATUSB_IP9            1
+#define         STATUSF_IP9            (_ULCAST_(1) <<  1)
+#define         STATUSB_IP10           2
+#define         STATUSF_IP10           (_ULCAST_(1) <<  2)
+#define         STATUSB_IP11           3
+#define         STATUSF_IP11           (_ULCAST_(1) <<  3)
+#define         STATUSB_IP12           4
+#define         STATUSF_IP12           (_ULCAST_(1) <<  4)
+#define         STATUSB_IP13           5
+#define         STATUSF_IP13           (_ULCAST_(1) <<  5)
+#define         STATUSB_IP14           6
+#define         STATUSF_IP14           (_ULCAST_(1) <<  6)
+#define         STATUSB_IP15           7
+#define         STATUSF_IP15           (_ULCAST_(1) <<  7)
 #define ST0_CH                 0x00040000
+#define ST0_NMI                        0x00080000
 #define ST0_SR                 0x00100000
 #define ST0_TS                 0x00200000
 #define ST0_BEV                        0x00400000
 #define ST0_CU3                        0x80000000
 #define ST0_XX                 0x80000000      /* MIPS IV naming */
 
+/*
+ * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
+ */
+#define INTCTLB_IPFDC          23
+#define INTCTLF_IPFDC          (_ULCAST_(7) << INTCTLB_IPFDC)
+#define INTCTLB_IPPCI          26
+#define INTCTLF_IPPCI          (_ULCAST_(7) << INTCTLB_IPPCI)
+#define INTCTLB_IPTI           29
+#define INTCTLF_IPTI           (_ULCAST_(7) << INTCTLB_IPTI)
+
 /*
  * Bitfields and bit numbers in the coprocessor 0 cause register.
  *
  * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
  */
-#define  CAUSEB_EXCCODE                2
-#define  CAUSEF_EXCCODE                (_ULCAST_(31)  <<  2)
-#define  CAUSEB_IP             8
-#define  CAUSEF_IP             (_ULCAST_(255) <<  8)
-#define  CAUSEB_IP0            8
-#define  CAUSEF_IP0            (_ULCAST_(1)   <<  8)
-#define  CAUSEB_IP1            9
-#define  CAUSEF_IP1            (_ULCAST_(1)   <<  9)
-#define  CAUSEB_IP2            10
-#define  CAUSEF_IP2            (_ULCAST_(1)   << 10)
-#define  CAUSEB_IP3            11
-#define  CAUSEF_IP3            (_ULCAST_(1)   << 11)
-#define  CAUSEB_IP4            12
-#define  CAUSEF_IP4            (_ULCAST_(1)   << 12)
-#define  CAUSEB_IP5            13
-#define  CAUSEF_IP5            (_ULCAST_(1)   << 13)
-#define  CAUSEB_IP6            14
-#define  CAUSEF_IP6            (_ULCAST_(1)   << 14)
-#define  CAUSEB_IP7            15
-#define  CAUSEF_IP7            (_ULCAST_(1)   << 15)
-#define  CAUSEB_IV             23
-#define  CAUSEF_IV             (_ULCAST_(1)   << 23)
-#define  CAUSEB_CE             28
-#define  CAUSEF_CE             (_ULCAST_(3)   << 28)
-#define  CAUSEB_BD             31
-#define  CAUSEF_BD             (_ULCAST_(1)   << 31)
+#define CAUSEB_EXCCODE         2
+#define CAUSEF_EXCCODE         (_ULCAST_(31)  <<  2)
+#define CAUSEB_IP              8
+#define CAUSEF_IP              (_ULCAST_(255) <<  8)
+#define         CAUSEB_IP0             8
+#define         CAUSEF_IP0             (_ULCAST_(1)   <<  8)
+#define         CAUSEB_IP1             9
+#define         CAUSEF_IP1             (_ULCAST_(1)   <<  9)
+#define         CAUSEB_IP2             10
+#define         CAUSEF_IP2             (_ULCAST_(1)   << 10)
+#define         CAUSEB_IP3             11
+#define         CAUSEF_IP3             (_ULCAST_(1)   << 11)
+#define         CAUSEB_IP4             12
+#define         CAUSEF_IP4             (_ULCAST_(1)   << 12)
+#define         CAUSEB_IP5             13
+#define         CAUSEF_IP5             (_ULCAST_(1)   << 13)
+#define         CAUSEB_IP6             14
+#define         CAUSEF_IP6             (_ULCAST_(1)   << 14)
+#define         CAUSEB_IP7             15
+#define         CAUSEF_IP7             (_ULCAST_(1)   << 15)
+#define CAUSEB_FDCI            21
+#define CAUSEF_FDCI            (_ULCAST_(1)   << 21)
+#define CAUSEB_IV              23
+#define CAUSEF_IV              (_ULCAST_(1)   << 23)
+#define CAUSEB_PCI             26
+#define CAUSEF_PCI             (_ULCAST_(1)   << 26)
+#define CAUSEB_CE              28
+#define CAUSEF_CE              (_ULCAST_(3)   << 28)
+#define CAUSEB_TI              30
+#define CAUSEF_TI              (_ULCAST_(1)   << 30)
+#define CAUSEB_BD              31
+#define CAUSEF_BD              (_ULCAST_(1)   << 31)
 
 /*
  * Bits in the coprocessor 0 config register.
 #define CONF_BE                        (_ULCAST_(1) << 15)
 
 /* Bits common to various processors.  */
-#define CONF_CU                        (_ULCAST_(1) <<  3)
-#define CONF_DB                        (_ULCAST_(1) <<  4)
-#define CONF_IB                        (_ULCAST_(1) <<  5)
-#define CONF_DC                        (_ULCAST_(7) <<  6)
-#define CONF_IC                        (_ULCAST_(7) <<  9)
+#define CONF_CU                        (_ULCAST_(1) <<  3)
+#define CONF_DB                        (_ULCAST_(1) <<  4)
+#define CONF_IB                        (_ULCAST_(1) <<  5)
+#define CONF_DC                        (_ULCAST_(7) <<  6)
+#define CONF_IC                        (_ULCAST_(7) <<  9)
 #define CONF_EB                        (_ULCAST_(1) << 13)
 #define CONF_EM                        (_ULCAST_(1) << 14)
 #define CONF_SM                        (_ULCAST_(1) << 16)
 #define CONF_SC                        (_ULCAST_(1) << 17)
 #define CONF_EW                        (_ULCAST_(3) << 18)
-#define CONF_EP                        (_ULCAST_(15)<< 24)
+#define CONF_EP                        (_ULCAST_(15) << 24)
 #define CONF_EC                        (_ULCAST_(7) << 28)
 #define CONF_CM                        (_ULCAST_(1) << 31)
 
-/* Bits specific to the R4xx0.  */
+/* Bits specific to the R4xx0. */
 #define R4K_CONF_SW            (_ULCAST_(1) << 20)
 #define R4K_CONF_SS            (_ULCAST_(1) << 21)
 #define R4K_CONF_SB            (_ULCAST_(3) << 22)
 
-/* Bits specific to the R5000.  */
+/* Bits specific to the R5000. */
 #define R5K_CONF_SE            (_ULCAST_(1) << 12)
 #define R5K_CONF_SS            (_ULCAST_(3) << 20)
 
-/* Bits specific to the RM7000.  */
-#define RM7K_CONF_SE           (_ULCAST_(1) <<  3)
+/* Bits specific to the RM7000.         */
+#define RM7K_CONF_SE           (_ULCAST_(1) <<  3)
 #define RM7K_CONF_TE           (_ULCAST_(1) << 12)
 #define RM7K_CONF_CLK          (_ULCAST_(1) << 16)
 #define RM7K_CONF_TC           (_ULCAST_(1) << 17)
 #define RM7K_CONF_SI           (_ULCAST_(3) << 20)
 #define RM7K_CONF_SC           (_ULCAST_(1) << 31)
 
-/* Bits specific to the R10000.  */
-#define R10K_CONF_DN           (_ULCAST_(3) <<  3)
-#define R10K_CONF_CT           (_ULCAST_(1) <<  5)
-#define R10K_CONF_PE           (_ULCAST_(1) <<  6)
-#define R10K_CONF_PM           (_ULCAST_(3) <<  7)
-#define R10K_CONF_EC           (_ULCAST_(15)<<  9)
+/* Bits specific to the R10000.         */
+#define R10K_CONF_DN           (_ULCAST_(3) <<  3)
+#define R10K_CONF_CT           (_ULCAST_(1) <<  5)
+#define R10K_CONF_PE           (_ULCAST_(1) <<  6)
+#define R10K_CONF_PM           (_ULCAST_(3) <<  7)
+#define R10K_CONF_EC           (_ULCAST_(15) << 9)
 #define R10K_CONF_SB           (_ULCAST_(1) << 13)
 #define R10K_CONF_SK           (_ULCAST_(1) << 14)
 #define R10K_CONF_SS           (_ULCAST_(7) << 16)
 #define R10K_CONF_DC           (_ULCAST_(7) << 26)
 #define R10K_CONF_IC           (_ULCAST_(7) << 29)
 
-/* Bits specific to the VR41xx.  */
+/* Bits specific to the VR41xx.         */
 #define VR41_CONF_CS           (_ULCAST_(1) << 12)
 #define VR41_CONF_P4K          (_ULCAST_(1) << 13)
 #define VR41_CONF_BP           (_ULCAST_(1) << 16)
 #define VR41_CONF_M16          (_ULCAST_(1) << 20)
 #define VR41_CONF_AD           (_ULCAST_(1) << 23)
 
-/* Bits specific to the R30xx.  */
+/* Bits specific to the R30xx. */
 #define R30XX_CONF_FDM         (_ULCAST_(1) << 19)
 #define R30XX_CONF_REV         (_ULCAST_(1) << 22)
 #define R30XX_CONF_AC          (_ULCAST_(1) << 23)
 #define TX49_CONF_HALT         (_ULCAST_(1) << 18)
 #define TX49_CONF_CWFON                (_ULCAST_(1) << 27)
 
-/* Bits specific to the MIPS32/64 PRA.  */
-#define MIPS_CONF_MT           (_ULCAST_(7) <<  7)
+/* Bits specific to the MIPS32/64 PRA. */
+#define MIPS_CONF_MT           (_ULCAST_(7) <<  7)
+#define MIPS_CONF_MT_TLB       (_ULCAST_(1) <<  7)
+#define MIPS_CONF_MT_FTLB      (_ULCAST_(4) <<  7)
 #define MIPS_CONF_AR           (_ULCAST_(7) << 10)
 #define MIPS_CONF_AT           (_ULCAST_(3) << 13)
 #define MIPS_CONF_M            (_ULCAST_(1) << 31)
 /*
  * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
  */
-#define MIPS_CONF1_FP          (_ULCAST_(1) <<  0)
-#define MIPS_CONF1_EP          (_ULCAST_(1) <<  1)
-#define MIPS_CONF1_CA          (_ULCAST_(1) <<  2)
-#define MIPS_CONF1_WR          (_ULCAST_(1) <<  3)
-#define MIPS_CONF1_PC          (_ULCAST_(1) <<  4)
-#define MIPS_CONF1_MD          (_ULCAST_(1) <<  5)
-#define MIPS_CONF1_C2          (_ULCAST_(1) <<  6)
-#define MIPS_CONF1_DA_SHIFT    7
-#define MIPS_CONF1_DA          (_ULCAST_(7) <<  7)
-#define MIPS_CONF1_DL_SHIFT    10
+#define MIPS_CONF1_FP          (_ULCAST_(1) <<  0)
+#define MIPS_CONF1_EP          (_ULCAST_(1) <<  1)
+#define MIPS_CONF1_CA          (_ULCAST_(1) <<  2)
+#define MIPS_CONF1_WR          (_ULCAST_(1) <<  3)
+#define MIPS_CONF1_PC          (_ULCAST_(1) <<  4)
+#define MIPS_CONF1_MD          (_ULCAST_(1) <<  5)
+#define MIPS_CONF1_C2          (_ULCAST_(1) <<  6)
+#define MIPS_CONF1_DA_SHF      7
+#define MIPS_CONF1_DA_SZ       3
+#define MIPS_CONF1_DA          (_ULCAST_(7) <<  7)
+#define MIPS_CONF1_DL_SHF      10
+#define MIPS_CONF1_DL_SZ       3
 #define MIPS_CONF1_DL          (_ULCAST_(7) << 10)
-#define MIPS_CONF1_DS_SHIFT    13
+#define MIPS_CONF1_DS_SHF      13
+#define MIPS_CONF1_DS_SZ       3
 #define MIPS_CONF1_DS          (_ULCAST_(7) << 13)
-#define MIPS_CONF1_IA_SHIFT    16
+#define MIPS_CONF1_IA_SHF      16
+#define MIPS_CONF1_IA_SZ       3
 #define MIPS_CONF1_IA          (_ULCAST_(7) << 16)
-#define MIPS_CONF1_IL_SHIFT    19
+#define MIPS_CONF1_IL_SHF      19
+#define MIPS_CONF1_IL_SZ       3
 #define MIPS_CONF1_IL          (_ULCAST_(7) << 19)
-#define MIPS_CONF1_IS_SHIFT    22
+#define MIPS_CONF1_IS_SHF      22
+#define MIPS_CONF1_IS_SZ       3
 #define MIPS_CONF1_IS          (_ULCAST_(7) << 22)
-#define MIPS_CONF1_TLBS                (_ULCAST_(63)<< 25)
-
-#define MIPS_CONF2_SA          (_ULCAST_(15)<<  0)
-#define MIPS_CONF2_SL          (_ULCAST_(15)<<  4)
-#define MIPS_CONF2_SS          (_ULCAST_(15)<<  8)
-#define MIPS_CONF2_SU          (_ULCAST_(15)<< 12)
-#define MIPS_CONF2_TA          (_ULCAST_(15)<< 16)
-#define MIPS_CONF2_TL          (_ULCAST_(15)<< 20)
-#define MIPS_CONF2_TS          (_ULCAST_(15)<< 24)
+#define MIPS_CONF1_TLBS_SHIFT   (25)
+#define MIPS_CONF1_TLBS_SIZE    (6)
+#define MIPS_CONF1_TLBS         (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
+
+#define MIPS_CONF2_SA          (_ULCAST_(15) << 0)
+#define MIPS_CONF2_SL          (_ULCAST_(15) << 4)
+#define MIPS_CONF2_SS          (_ULCAST_(15) << 8)
+#define MIPS_CONF2_SU          (_ULCAST_(15) << 12)
+#define MIPS_CONF2_TA          (_ULCAST_(15) << 16)
+#define MIPS_CONF2_TL          (_ULCAST_(15) << 20)
+#define MIPS_CONF2_TS          (_ULCAST_(15) << 24)
 #define MIPS_CONF2_TU          (_ULCAST_(7) << 28)
 
-#define MIPS_CONF3_TL          (_ULCAST_(1) <<  0)
-#define MIPS_CONF3_SM          (_ULCAST_(1) <<  1)
-#define MIPS_CONF3_MT          (_ULCAST_(1) <<  2)
-#define MIPS_CONF3_SP          (_ULCAST_(1) <<  4)
-#define MIPS_CONF3_VINT                (_ULCAST_(1) <<  5)
-#define MIPS_CONF3_VEIC                (_ULCAST_(1) <<  6)
-#define MIPS_CONF3_LPA         (_ULCAST_(1) <<  7)
+#define MIPS_CONF3_TL          (_ULCAST_(1) <<  0)
+#define MIPS_CONF3_SM          (_ULCAST_(1) <<  1)
+#define MIPS_CONF3_MT          (_ULCAST_(1) <<  2)
+#define MIPS_CONF3_CDMM                (_ULCAST_(1) <<  3)
+#define MIPS_CONF3_SP          (_ULCAST_(1) <<  4)
+#define MIPS_CONF3_VINT                (_ULCAST_(1) <<  5)
+#define MIPS_CONF3_VEIC                (_ULCAST_(1) <<  6)
+#define MIPS_CONF3_LPA         (_ULCAST_(1) <<  7)
+#define MIPS_CONF3_ITL         (_ULCAST_(1) <<  8)
+#define MIPS_CONF3_CTXTC       (_ULCAST_(1) <<  9)
 #define MIPS_CONF3_DSP         (_ULCAST_(1) << 10)
+#define MIPS_CONF3_DSP2P       (_ULCAST_(1) << 11)
+#define MIPS_CONF3_RXI         (_ULCAST_(1) << 12)
 #define MIPS_CONF3_ULRI                (_ULCAST_(1) << 13)
+#define MIPS_CONF3_ISA         (_ULCAST_(3) << 14)
+#define MIPS_CONF3_ISA_OE      (_ULCAST_(1) << 16)
+#define MIPS_CONF3_MCU         (_ULCAST_(1) << 17)
+#define MIPS_CONF3_MMAR                (_ULCAST_(7) << 18)
+#define MIPS_CONF3_IPLW                (_ULCAST_(3) << 21)
+#define MIPS_CONF3_VZ          (_ULCAST_(1) << 23)
+#define MIPS_CONF3_PW          (_ULCAST_(1) << 24)
+#define MIPS_CONF3_SC          (_ULCAST_(1) << 25)
+#define MIPS_CONF3_BI          (_ULCAST_(1) << 26)
+#define MIPS_CONF3_BP          (_ULCAST_(1) << 27)
+#define MIPS_CONF3_MSA         (_ULCAST_(1) << 28)
+#define MIPS_CONF3_CMGCR       (_ULCAST_(1) << 29)
+#define MIPS_CONF3_BPG         (_ULCAST_(1) << 30)
+
+#define MIPS_CONF4_MMUSIZEEXT_SHIFT    (0)
+#define MIPS_CONF4_MMUSIZEEXT  (_ULCAST_(255) << 0)
+#define MIPS_CONF4_FTLBSETS_SHIFT      (0)
+#define MIPS_CONF4_FTLBSETS    (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
+#define MIPS_CONF4_FTLBWAYS_SHIFT      (4)
+#define MIPS_CONF4_FTLBWAYS    (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
+#define MIPS_CONF4_FTLBPAGESIZE_SHIFT  (8)
+/* bits 10:8 in FTLB-only configurations */
+#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
+/* bits 12:8 in VTLB-FTLB only configurations */
+#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
+#define MIPS_CONF4_MMUEXTDEF   (_ULCAST_(3) << 14)
+#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
+#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT       (_ULCAST_(2) << 14)
+#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT       (_ULCAST_(3) << 14)
+#define MIPS_CONF4_KSCREXIST   (_ULCAST_(255) << 16)
+#define MIPS_CONF4_VTLBSIZEEXT_SHIFT   (24)
+#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
+#define MIPS_CONF4_AE          (_ULCAST_(1) << 28)
+#define MIPS_CONF4_IE          (_ULCAST_(3) << 29)
+#define MIPS_CONF4_TLBINV      (_ULCAST_(2) << 29)
+
+#define MIPS_CONF5_NF          (_ULCAST_(1) << 0)
+#define MIPS_CONF5_UFR         (_ULCAST_(1) << 2)
+#define MIPS_CONF5_MRP         (_ULCAST_(1) << 3)
+#define MIPS_CONF5_LLB         (_ULCAST_(1) << 4)
+#define MIPS_CONF5_MVH         (_ULCAST_(1) << 5)
+#define MIPS_CONF5_FRE         (_ULCAST_(1) << 8)
+#define MIPS_CONF5_UFE         (_ULCAST_(1) << 9)
+#define MIPS_CONF5_MSAEN       (_ULCAST_(1) << 27)
+#define MIPS_CONF5_EVA         (_ULCAST_(1) << 28)
+#define MIPS_CONF5_CV          (_ULCAST_(1) << 29)
+#define MIPS_CONF5_K           (_ULCAST_(1) << 30)
+
+#define MIPS_CONF6_SYND                (_ULCAST_(1) << 13)
+/* proAptiv FTLB on/off bit */
+#define MIPS_CONF6_FTLBEN      (_ULCAST_(1) << 15)
+/* FTLB probability bits */
+#define MIPS_CONF6_FTLBP_SHIFT (16)
 
 #define MIPS_CONF7_WII         (_ULCAST_(1) << 31)
 
 #define MIPS_CONF7_RPS         (_ULCAST_(1) << 2)
 
+#define MIPS_CONF7_IAR         (_ULCAST_(1) << 10)
+#define MIPS_CONF7_AR          (_ULCAST_(1) << 16)
+/* FTLB probability bits for R6 */
+#define MIPS_CONF7_FTLBP_SHIFT (18)
+
+/* MAAR bit definitions */
+#define MIPS_MAAR_ADDR         ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
+#define MIPS_MAAR_ADDR_SHIFT   12
+#define MIPS_MAAR_S            (_ULCAST_(1) << 1)
+#define MIPS_MAAR_V            (_ULCAST_(1) << 0)
+
+/* CMGCRBase bit definitions */
+#define MIPS_CMGCRB_BASE       11
+#define MIPS_CMGCRF_BASE       (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
+
+/*
+ * Bits in the MIPS32 Memory Segmentation registers.
+ */
+#define MIPS_SEGCFG_PA_SHIFT   9
+#define MIPS_SEGCFG_PA         (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
+#define MIPS_SEGCFG_AM_SHIFT   4
+#define MIPS_SEGCFG_AM         (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
+#define MIPS_SEGCFG_EU_SHIFT   3
+#define MIPS_SEGCFG_EU         (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
+#define MIPS_SEGCFG_C_SHIFT    0
+#define MIPS_SEGCFG_C          (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
+
+#define MIPS_SEGCFG_UUSK       _ULCAST_(7)
+#define MIPS_SEGCFG_USK                _ULCAST_(5)
+#define MIPS_SEGCFG_MUSUK      _ULCAST_(4)
+#define MIPS_SEGCFG_MUSK       _ULCAST_(3)
+#define MIPS_SEGCFG_MSK                _ULCAST_(2)
+#define MIPS_SEGCFG_MK         _ULCAST_(1)
+#define MIPS_SEGCFG_UK         _ULCAST_(0)
+
+#define MIPS_PWFIELD_GDI_SHIFT 24
+#define MIPS_PWFIELD_GDI_MASK  0x3f000000
+#define MIPS_PWFIELD_UDI_SHIFT 18
+#define MIPS_PWFIELD_UDI_MASK  0x00fc0000
+#define MIPS_PWFIELD_MDI_SHIFT 12
+#define MIPS_PWFIELD_MDI_MASK  0x0003f000
+#define MIPS_PWFIELD_PTI_SHIFT 6
+#define MIPS_PWFIELD_PTI_MASK  0x00000fc0
+#define MIPS_PWFIELD_PTEI_SHIFT        0
+#define MIPS_PWFIELD_PTEI_MASK 0x0000003f
+
+#define MIPS_PWSIZE_GDW_SHIFT  24
+#define MIPS_PWSIZE_GDW_MASK   0x3f000000
+#define MIPS_PWSIZE_UDW_SHIFT  18
+#define MIPS_PWSIZE_UDW_MASK   0x00fc0000
+#define MIPS_PWSIZE_MDW_SHIFT  12
+#define MIPS_PWSIZE_MDW_MASK   0x0003f000
+#define MIPS_PWSIZE_PTW_SHIFT  6
+#define MIPS_PWSIZE_PTW_MASK   0x00000fc0
+#define MIPS_PWSIZE_PTEW_SHIFT 0
+#define MIPS_PWSIZE_PTEW_MASK  0x0000003f
+
+#define MIPS_PWCTL_PWEN_SHIFT  31
+#define MIPS_PWCTL_PWEN_MASK   0x80000000
+#define MIPS_PWCTL_DPH_SHIFT   7
+#define MIPS_PWCTL_DPH_MASK    0x00000080
+#define MIPS_PWCTL_HUGEPG_SHIFT        6
+#define MIPS_PWCTL_HUGEPG_MASK 0x00000060
+#define MIPS_PWCTL_PSN_SHIFT   0
+#define MIPS_PWCTL_PSN_MASK    0x0000003f
+
+/* CDMMBase register bit definitions */
+#define MIPS_CDMMBASE_SIZE_SHIFT 0
+#define MIPS_CDMMBASE_SIZE     (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
+#define MIPS_CDMMBASE_CI       (_ULCAST_(1) << 9)
+#define MIPS_CDMMBASE_EN       (_ULCAST_(1) << 10)
+#define MIPS_CDMMBASE_ADDR_SHIFT 11
+#define MIPS_CDMMBASE_ADDR_START 15
+
+/*
+ * Bitfields in the TX39 family CP0 Configuration Register 3
+ */
+#define TX39_CONF_ICS_SHIFT    19
+#define TX39_CONF_ICS_MASK     0x00380000
+#define TX39_CONF_ICS_1KB      0x00000000
+#define TX39_CONF_ICS_2KB      0x00080000
+#define TX39_CONF_ICS_4KB      0x00100000
+#define TX39_CONF_ICS_8KB      0x00180000
+#define TX39_CONF_ICS_16KB     0x00200000
+
+#define TX39_CONF_DCS_SHIFT    16
+#define TX39_CONF_DCS_MASK     0x00070000
+#define TX39_CONF_DCS_1KB      0x00000000
+#define TX39_CONF_DCS_2KB      0x00010000
+#define TX39_CONF_DCS_4KB      0x00020000
+#define TX39_CONF_DCS_8KB      0x00030000
+#define TX39_CONF_DCS_16KB     0x00040000
+
+#define TX39_CONF_CWFON                0x00004000
+#define TX39_CONF_WBON         0x00002000
+#define TX39_CONF_RF_SHIFT     10
+#define TX39_CONF_RF_MASK      0x00000c00
+#define TX39_CONF_DOZE         0x00000200
+#define TX39_CONF_HALT         0x00000100
+#define TX39_CONF_LOCK         0x00000080
+#define TX39_CONF_ICE          0x00000020
+#define TX39_CONF_DCE          0x00000010
+#define TX39_CONF_IRSIZE_SHIFT 2
+#define TX39_CONF_IRSIZE_MASK  0x0000000c
+#define TX39_CONF_DRSIZE_SHIFT 0
+#define TX39_CONF_DRSIZE_MASK  0x00000003
+
+/*
+ * Interesting Bits in the R10K CP0 Branch Diagnostic Register
+ */
+/* Disable Branch Target Address Cache */
+#define R10K_DIAG_D_BTAC       (_ULCAST_(1) << 27)
+/* Enable Branch Prediction Global History */
+#define R10K_DIAG_E_GHIST      (_ULCAST_(1) << 26)
+/* Disable Branch Return Cache */
+#define R10K_DIAG_D_BRC                (_ULCAST_(1) << 22)
+
+/*
+ * Coprocessor 1 (FPU) register names
+ */
+#define CP1_REVISION   $0
+#define CP1_UFR                $1
+#define CP1_UNFR       $4
+#define CP1_FCCR       $25
+#define CP1_FEXR       $26
+#define CP1_FENR       $28
+#define CP1_STATUS     $31
+
+
 /*
  * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
  */
 #define MIPS_FPIR_W            (_ULCAST_(1) << 20)
 #define MIPS_FPIR_L            (_ULCAST_(1) << 21)
 #define MIPS_FPIR_F64          (_ULCAST_(1) << 22)
+#define MIPS_FPIR_HAS2008      (_ULCAST_(1) << 23)
+#define MIPS_FPIR_UFRP         (_ULCAST_(1) << 28)
+#define MIPS_FPIR_FREP         (_ULCAST_(1) << 29)
+
+/*
+ * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
+ */
+#define MIPS_FCCR_CONDX_S      0
+#define MIPS_FCCR_CONDX                (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
+#define MIPS_FCCR_COND0_S      0
+#define MIPS_FCCR_COND0                (_ULCAST_(1) << MIPS_FCCR_COND0_S)
+#define MIPS_FCCR_COND1_S      1
+#define MIPS_FCCR_COND1                (_ULCAST_(1) << MIPS_FCCR_COND1_S)
+#define MIPS_FCCR_COND2_S      2
+#define MIPS_FCCR_COND2                (_ULCAST_(1) << MIPS_FCCR_COND2_S)
+#define MIPS_FCCR_COND3_S      3
+#define MIPS_FCCR_COND3                (_ULCAST_(1) << MIPS_FCCR_COND3_S)
+#define MIPS_FCCR_COND4_S      4
+#define MIPS_FCCR_COND4                (_ULCAST_(1) << MIPS_FCCR_COND4_S)
+#define MIPS_FCCR_COND5_S      5
+#define MIPS_FCCR_COND5                (_ULCAST_(1) << MIPS_FCCR_COND5_S)
+#define MIPS_FCCR_COND6_S      6
+#define MIPS_FCCR_COND6                (_ULCAST_(1) << MIPS_FCCR_COND6_S)
+#define MIPS_FCCR_COND7_S      7
+#define MIPS_FCCR_COND7                (_ULCAST_(1) << MIPS_FCCR_COND7_S)
+
+/*
+ * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
+ */
+#define MIPS_FENR_FS_S         2
+#define MIPS_FENR_FS           (_ULCAST_(1) << MIPS_FENR_FS_S)
+
+/*
+ * FPU Status Register Values
+ */
+#define FPU_CSR_COND_S 23                                      /* $fcc0 */
+#define FPU_CSR_COND   (_ULCAST_(1) << FPU_CSR_COND_S)
+
+#define FPU_CSR_FS_S   24              /* flush denormalised results to 0 */
+#define FPU_CSR_FS     (_ULCAST_(1) << FPU_CSR_FS_S)
+
+#define FPU_CSR_CONDX_S        25                                      /* $fcc[7:1] */
+#define FPU_CSR_CONDX  (_ULCAST_(127) << FPU_CSR_CONDX_S)
+#define FPU_CSR_COND1_S        25                                      /* $fcc1 */
+#define FPU_CSR_COND1  (_ULCAST_(1) << FPU_CSR_COND1_S)
+#define FPU_CSR_COND2_S        26                                      /* $fcc2 */
+#define FPU_CSR_COND2  (_ULCAST_(1) << FPU_CSR_COND2_S)
+#define FPU_CSR_COND3_S        27                                      /* $fcc3 */
+#define FPU_CSR_COND3  (_ULCAST_(1) << FPU_CSR_COND3_S)
+#define FPU_CSR_COND4_S        28                                      /* $fcc4 */
+#define FPU_CSR_COND4  (_ULCAST_(1) << FPU_CSR_COND4_S)
+#define FPU_CSR_COND5_S        29                                      /* $fcc5 */
+#define FPU_CSR_COND5  (_ULCAST_(1) << FPU_CSR_COND5_S)
+#define FPU_CSR_COND6_S        30                                      /* $fcc6 */
+#define FPU_CSR_COND6  (_ULCAST_(1) << FPU_CSR_COND6_S)
+#define FPU_CSR_COND7_S        31                                      /* $fcc7 */
+#define FPU_CSR_COND7  (_ULCAST_(1) << FPU_CSR_COND7_S)
+
+/*
+ * Bits 22:20 of the FPU Status Register will be read as 0,
+ * and should be written as zero.
+ */
+#define FPU_CSR_RSVD   (_ULCAST_(7) << 20)
+
+#define FPU_CSR_ABS2008        (_ULCAST_(1) << 19)
+#define FPU_CSR_NAN2008        (_ULCAST_(1) << 18)
+
+/*
+ * X the exception cause indicator
+ * E the exception enable
+ * S the sticky/flag bit
+*/
+#define FPU_CSR_ALL_X  0x0003f000
+#define FPU_CSR_UNI_X  0x00020000
+#define FPU_CSR_INV_X  0x00010000
+#define FPU_CSR_DIV_X  0x00008000
+#define FPU_CSR_OVF_X  0x00004000
+#define FPU_CSR_UDF_X  0x00002000
+#define FPU_CSR_INE_X  0x00001000
+
+#define FPU_CSR_ALL_E  0x00000f80
+#define FPU_CSR_INV_E  0x00000800
+#define FPU_CSR_DIV_E  0x00000400
+#define FPU_CSR_OVF_E  0x00000200
+#define FPU_CSR_UDF_E  0x00000100
+#define FPU_CSR_INE_E  0x00000080
+
+#define FPU_CSR_ALL_S  0x0000007c
+#define FPU_CSR_INV_S  0x00000040
+#define FPU_CSR_DIV_S  0x00000020
+#define FPU_CSR_OVF_S  0x00000010
+#define FPU_CSR_UDF_S  0x00000008
+#define FPU_CSR_INE_S  0x00000004
+
+/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
+#define FPU_CSR_RM     0x00000003
+#define FPU_CSR_RN     0x0     /* nearest */
+#define FPU_CSR_RZ     0x1     /* towards zero */
+#define FPU_CSR_RU     0x2     /* towards +Infinity */
+#define FPU_CSR_RD     0x3     /* towards -Infinity */
+
 
 #ifndef __ASSEMBLY__
 
 /*
- * Functions to access the R10000 performance counters.  These are basically
+ * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
+ */
+#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
+       defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
+#define get_isa16_mode(x)              ((x) & 0x1)
+#define msk_isa16_mode(x)              ((x) & ~0x1)
+#define set_isa16_mode(x)              do { (x) |= 0x1; } while (0)
+#else
+#define get_isa16_mode(x)              0
+#define msk_isa16_mode(x)              (x)
+#define set_isa16_mode(x)              do { } while (0)
+#endif
+
+/*
+ * microMIPS instructions can be 16-bit or 32-bit in length. This
+ * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
+ */
+static inline int mm_insn_16bit(u16 insn)
+{
+       u16 opcode = (insn >> 10) & 0x7;
+
+       return (opcode >= 1 && opcode <= 3) ? 1 : 0;
+}
+
+/*
+ * TLB Invalidate Flush
+ */
+static inline void tlbinvf(void)
+{
+       __asm__ __volatile__(
+               ".set push\n\t"
+               ".set noreorder\n\t"
+               ".word 0x42000004\n\t" /* tlbinvf */
+               ".set pop");
+}
+
+
+/*
+ * Functions to access the R10000 performance counters.         These are basically
  * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
  * performance counter number encoded into bits 1 ... 5 of the instruction.
  * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
@@ -589,6 +891,7 @@ do {                                                                \
        : "r" (val), "i" (counter));                            \
 } while (0)
 
+
 /*
  * Macros to access the system control coprocessor
  */
@@ -705,8 +1008,8 @@ do {                                                                       \
                        ".set\tmips64\n\t"                              \
                        "dmfc0\t%M0, " #source "\n\t"                   \
                        "dsll\t%L0, %M0, 32\n\t"                        \
-                       "dsrl\t%M0, %M0, 32\n\t"                        \
-                       "dsrl\t%L0, %L0, 32\n\t"                        \
+                       "dsra\t%M0, %M0, 32\n\t"                        \
+                       "dsra\t%L0, %L0, 32\n\t"                        \
                        ".set\tmips0"                                   \
                        : "=r" (__val));                                \
        else                                                            \
@@ -714,8 +1017,8 @@ do {                                                                       \
                        ".set\tmips64\n\t"                              \
                        "dmfc0\t%M0, " #source ", " #sel "\n\t"         \
                        "dsll\t%L0, %M0, 32\n\t"                        \
-                       "dsrl\t%M0, %M0, 32\n\t"                        \
-                       "dsrl\t%L0, %L0, 32\n\t"                        \
+                       "dsra\t%M0, %M0, 32\n\t"                        \
+                       "dsra\t%L0, %L0, 32\n\t"                        \
                        ".set\tmips0"                                   \
                        : "=r" (__val));                                \
        local_irq_restore(__flags);                                     \
@@ -751,15 +1054,57 @@ do {                                                                     \
        local_irq_restore(__flags);                                     \
 } while (0)
 
+#define __readx_32bit_c0_register(source)                              \
+({                                                                     \
+       unsigned int __res;                                             \
+                                                                       \
+       __asm__ __volatile__(                                           \
+       "       .set    push                                    \n"     \
+       "       .set    noat                                    \n"     \
+       "       .set    mips32r2                                \n"     \
+       "       .insn                                           \n"     \
+       "       # mfhc0 $1, %1                                  \n"     \
+       "       .word   (0x40410000 | ((%1 & 0x1f) << 11))      \n"     \
+       "       move    %0, $1                                  \n"     \
+       "       .set    pop                                     \n"     \
+       : "=r" (__res)                                                  \
+       : "i" (source));                                                \
+       __res;                                                          \
+})
+
+#define __writex_32bit_c0_register(register, value)                    \
+({                                                                     \
+       __asm__ __volatile__(                                           \
+       "       .set    push                                    \n"     \
+       "       .set    noat                                    \n"     \
+       "       .set    mips32r2                                \n"     \
+       "       move    $1, %0                                  \n"     \
+       "       # mthc0 $1, %1                                  \n"     \
+       "       .insn                                           \n"     \
+       "       .word   (0x40c10000 | ((%1 & 0x1f) << 11))      \n"     \
+       "       .set    pop                                     \n"     \
+       :                                                               \
+       : "r" (value), "i" (register));                                 \
+})
+
 #define read_c0_index()                __read_32bit_c0_register($0, 0)
 #define write_c0_index(val)    __write_32bit_c0_register($0, 0, val)
 
+#define read_c0_random()       __read_32bit_c0_register($1, 0)
+#define write_c0_random(val)   __write_32bit_c0_register($1, 0, val)
+
 #define read_c0_entrylo0()     __read_ulong_c0_register($2, 0)
 #define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val)
 
+#define readx_c0_entrylo0()    __readx_32bit_c0_register(2)
+#define writex_c0_entrylo0(val)        __writex_32bit_c0_register(2, val)
+
 #define read_c0_entrylo1()     __read_ulong_c0_register($3, 0)
 #define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val)
 
+#define readx_c0_entrylo1()    __readx_32bit_c0_register(3)
+#define writex_c0_entrylo1(val)        __writex_32bit_c0_register(3, val)
+
 #define read_c0_conf()         __read_32bit_c0_register($3, 0)
 #define write_c0_conf(val)     __write_32bit_c0_register($3, 0, val)
 
@@ -767,17 +1112,20 @@ do {                                                                     \
 #define write_c0_context(val)  __write_ulong_c0_register($4, 0, val)
 
 #define read_c0_userlocal()    __read_ulong_c0_register($4, 2)
-#define write_c0_userlocal(val)        __write_ulong_c0_register($4, 2, val)
+#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
 
 #define read_c0_pagemask()     __read_32bit_c0_register($5, 0)
 #define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
 
+#define read_c0_pagegrain()    __read_32bit_c0_register($5, 1)
+#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
+
 #define read_c0_wired()                __read_32bit_c0_register($6, 0)
 #define write_c0_wired(val)    __write_32bit_c0_register($6, 0, val)
 
 #define read_c0_info()         __read_32bit_c0_register($7, 0)
 
-#define read_c0_cache()                __read_32bit_c0_register($7, 0) /* TX39xx */
+#define read_c0_cache()                __read_32bit_c0_register($7, 0) /* TX39xx */
 #define write_c0_cache(val)    __write_32bit_c0_register($7, 0, val)
 
 #define read_c0_badvaddr()     __read_ulong_c0_register($8, 0)
@@ -805,19 +1153,8 @@ do {                                                                      \
 #define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
 
 #define read_c0_status()       __read_32bit_c0_register($12, 0)
-#ifdef CONFIG_MIPS_MT_SMTC
-#define write_c0_status(val)                                           \
-do {                                                                   \
-       __write_32bit_c0_register($12, 0, val);                         \
-       __ehb();                                                        \
-} while (0)
-#else
-/*
- * Legacy non-SMTC code, which may be hazardous
- * but which might not support EHB
- */
+
 #define write_c0_status(val)   __write_32bit_c0_register($12, 0, val)
-#endif /* CONFIG_MIPS_MT_SMTC */
 
 #define read_c0_cause()                __read_32bit_c0_register($13, 0)
 #define write_c0_cause(val)    __write_32bit_c0_register($13, 0, val)
@@ -827,6 +1164,8 @@ do {                                                                       \
 
 #define read_c0_prid()         __read_32bit_c0_register($15, 0)
 
+#define read_c0_cmgcrbase()    __read_ulong_c0_register($15, 3)
+
 #define read_c0_config()       __read_32bit_c0_register($16, 0)
 #define read_c0_config1()      __read_32bit_c0_register($16, 1)
 #define read_c0_config2()      __read_32bit_c0_register($16, 2)
@@ -844,8 +1183,15 @@ do {                                                                      \
 #define write_c0_config6(val)  __write_32bit_c0_register($16, 6, val)
 #define write_c0_config7(val)  __write_32bit_c0_register($16, 7, val)
 
+#define read_c0_lladdr()       __read_ulong_c0_register($17, 0)
+#define write_c0_lladdr(val)   __write_ulong_c0_register($17, 0, val)
+#define read_c0_maar()         __read_ulong_c0_register($17, 1)
+#define write_c0_maar(val)     __write_ulong_c0_register($17, 1, val)
+#define read_c0_maari()                __read_32bit_c0_register($17, 2)
+#define write_c0_maari(val)    __write_32bit_c0_register($17, 2, val)
+
 /*
- * The WatchLo register.  There may be upto 8 of them.
+ * The WatchLo register.  There may be up to 8 of them.
  */
 #define read_c0_watchlo0()     __read_ulong_c0_register($18, 0)
 #define read_c0_watchlo1()     __read_ulong_c0_register($18, 1)
@@ -865,7 +1211,7 @@ do {                                                                       \
 #define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val)
 
 /*
- * The WatchHi register.  There may be upto 8 of them.
+ * The WatchHi register.  There may be up to 8 of them.
  */
 #define read_c0_watchhi0()     __read_32bit_c0_register($19, 0)
 #define read_c0_watchhi1()     __read_32bit_c0_register($19, 1)
@@ -892,15 +1238,15 @@ do {                                                                     \
 #define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
 
 #define read_c0_framemask()    __read_32bit_c0_register($21, 0)
-#define write_c0_framemask(val)        __write_32bit_c0_register($21, 0, val)
-
-/* RM9000 PerfControl performance counter control register */
-#define read_c0_perfcontrol()  __read_32bit_c0_register($22, 0)
-#define write_c0_perfcontrol(val) __write_32bit_c0_register($22, 0, val)
+#define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
 
 #define read_c0_diag()         __read_32bit_c0_register($22, 0)
 #define write_c0_diag(val)     __write_32bit_c0_register($22, 0, val)
 
+/* R10K CP0 Branch Diagnostic register is 64bits wide */
+#define read_c0_r10k_diag()    __read_64bit_c0_register($22, 0)
+#define write_c0_r10k_diag(val)        __write_64bit_c0_register($22, 0, val)
+
 #define read_c0_diag1()                __read_32bit_c0_register($22, 1)
 #define write_c0_diag1(val)    __write_32bit_c0_register($22, 1, val)
 
@@ -926,36 +1272,40 @@ do {                                                                     \
  * MIPS32 / MIPS64 performance counters
  */
 #define read_c0_perfctrl0()    __read_32bit_c0_register($25, 0)
-#define write_c0_perfctrl0(val)        __write_32bit_c0_register($25, 0, val)
+#define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
 #define read_c0_perfcntr0()    __read_32bit_c0_register($25, 1)
-#define write_c0_perfcntr0(val)        __write_32bit_c0_register($25, 1, val)
+#define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
+#define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1)
+#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
 #define read_c0_perfctrl1()    __read_32bit_c0_register($25, 2)
-#define write_c0_perfctrl1(val)        __write_32bit_c0_register($25, 2, val)
+#define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
 #define read_c0_perfcntr1()    __read_32bit_c0_register($25, 3)
-#define write_c0_perfcntr1(val)        __write_32bit_c0_register($25, 3, val)
+#define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
+#define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3)
+#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
 #define read_c0_perfctrl2()    __read_32bit_c0_register($25, 4)
-#define write_c0_perfctrl2(val)        __write_32bit_c0_register($25, 4, val)
+#define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
 #define read_c0_perfcntr2()    __read_32bit_c0_register($25, 5)
-#define write_c0_perfcntr2(val)        __write_32bit_c0_register($25, 5, val)
+#define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
+#define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5)
+#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
 #define read_c0_perfctrl3()    __read_32bit_c0_register($25, 6)
-#define write_c0_perfctrl3(val)        __write_32bit_c0_register($25, 6, val)
+#define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
 #define read_c0_perfcntr3()    __read_32bit_c0_register($25, 7)
-#define write_c0_perfcntr3(val)        __write_32bit_c0_register($25, 7, val)
-
-/* RM9000 PerfCount performance counter register */
-#define read_c0_perfcount()    __read_64bit_c0_register($25, 0)
-#define write_c0_perfcount(val)        __write_64bit_c0_register($25, 0, val)
+#define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
+#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7)
+#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
 
 #define read_c0_ecc()          __read_32bit_c0_register($26, 0)
 #define write_c0_ecc(val)      __write_32bit_c0_register($26, 0, val)
 
 #define read_c0_derraddr0()    __read_ulong_c0_register($26, 1)
-#define write_c0_derraddr0(val)        __write_ulong_c0_register($26, 1, val)
+#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
 
 #define read_c0_cacheerr()     __read_32bit_c0_register($27, 0)
 
 #define read_c0_derraddr1()    __read_ulong_c0_register($27, 1)
-#define write_c0_derraddr1(val)        __write_ulong_c0_register($27, 1, val)
+#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
 
 #define read_c0_taglo()                __read_32bit_c0_register($28, 0)
 #define write_c0_taglo(val)    __write_32bit_c0_register($28, 0, val)
@@ -963,6 +1313,12 @@ do {                                                                      \
 #define read_c0_dtaglo()       __read_32bit_c0_register($28, 2)
 #define write_c0_dtaglo(val)   __write_32bit_c0_register($28, 2, val)
 
+#define read_c0_ddatalo()      __read_32bit_c0_register($28, 3)
+#define write_c0_ddatalo(val)  __write_32bit_c0_register($28, 3, val)
+
+#define read_c0_staglo()       __read_32bit_c0_register($28, 4)
+#define write_c0_staglo(val)   __write_32bit_c0_register($28, 4, val)
+
 #define read_c0_taghi()                __read_32bit_c0_register($29, 0)
 #define write_c0_taghi(val)    __write_32bit_c0_register($29, 0, val)
 
@@ -985,271 +1341,524 @@ do {                                                                   \
 #define read_c0_ebase()                __read_32bit_c0_register($15, 1)
 #define write_c0_ebase(val)    __write_32bit_c0_register($15, 1, val)
 
+#define read_c0_cdmmbase()     __read_ulong_c0_register($15, 2)
+#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)
+
+/* MIPSR3 */
+#define read_c0_segctl0()      __read_32bit_c0_register($5, 2)
+#define write_c0_segctl0(val)  __write_32bit_c0_register($5, 2, val)
+
+#define read_c0_segctl1()      __read_32bit_c0_register($5, 3)
+#define write_c0_segctl1(val)  __write_32bit_c0_register($5, 3, val)
+
+#define read_c0_segctl2()      __read_32bit_c0_register($5, 4)
+#define write_c0_segctl2(val)  __write_32bit_c0_register($5, 4, val)
+
+/* Hardware Page Table Walker */
+#define read_c0_pwbase()       __read_ulong_c0_register($5, 5)
+#define write_c0_pwbase(val)   __write_ulong_c0_register($5, 5, val)
+
+#define read_c0_pwfield()      __read_ulong_c0_register($5, 6)
+#define write_c0_pwfield(val)  __write_ulong_c0_register($5, 6, val)
+
+#define read_c0_pwsize()       __read_ulong_c0_register($5, 7)
+#define write_c0_pwsize(val)   __write_ulong_c0_register($5, 7, val)
+
+#define read_c0_pwctl()                __read_32bit_c0_register($6, 6)
+#define write_c0_pwctl(val)    __write_32bit_c0_register($6, 6, val)
+
+/* Cavium OCTEON (cnMIPS) */
+#define read_c0_cvmcount()     __read_ulong_c0_register($9, 6)
+#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
+
+#define read_c0_cvmctl()       __read_64bit_c0_register($9, 7)
+#define write_c0_cvmctl(val)   __write_64bit_c0_register($9, 7, val)
+
+#define read_c0_cvmmemctl()    __read_64bit_c0_register($11, 7)
+#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
 /*
- * Macros to access the floating point coprocessor control registers
+ * The cacheerr registers are not standardized.         On OCTEON, they are
+ * 64 bits wide.
  */
-#define read_32bit_cp1_register(source)                                \
-({ int __res;                                                  \
-       __asm__ __volatile__(                                   \
-       ".set\tpush\n\t"                                        \
-       ".set\treorder\n\t"                                     \
-       "cfc1\t%0,"STR(source)"\n\t"                            \
-       ".set\tpop"                                             \
-       : "=r" (__res));                                        \
-       __res;})
+#define read_octeon_c0_icacheerr()     __read_64bit_c0_register($27, 0)
+#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
 
-#define rddsp(mask)                                                    \
+#define read_octeon_c0_dcacheerr()     __read_64bit_c0_register($27, 1)
+#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
+
+/* BMIPS3300 */
+#define read_c0_brcm_config_0()                __read_32bit_c0_register($22, 0)
+#define write_c0_brcm_config_0(val)    __write_32bit_c0_register($22, 0, val)
+
+#define read_c0_brcm_bus_pll()         __read_32bit_c0_register($22, 4)
+#define write_c0_brcm_bus_pll(val)     __write_32bit_c0_register($22, 4, val)
+
+#define read_c0_brcm_reset()           __read_32bit_c0_register($22, 5)
+#define write_c0_brcm_reset(val)       __write_32bit_c0_register($22, 5, val)
+
+/* BMIPS43xx */
+#define read_c0_brcm_cmt_intr()                __read_32bit_c0_register($22, 1)
+#define write_c0_brcm_cmt_intr(val)    __write_32bit_c0_register($22, 1, val)
+
+#define read_c0_brcm_cmt_ctrl()                __read_32bit_c0_register($22, 2)
+#define write_c0_brcm_cmt_ctrl(val)    __write_32bit_c0_register($22, 2, val)
+
+#define read_c0_brcm_cmt_local()       __read_32bit_c0_register($22, 3)
+#define write_c0_brcm_cmt_local(val)   __write_32bit_c0_register($22, 3, val)
+
+#define read_c0_brcm_config_1()                __read_32bit_c0_register($22, 5)
+#define write_c0_brcm_config_1(val)    __write_32bit_c0_register($22, 5, val)
+
+#define read_c0_brcm_cbr()             __read_32bit_c0_register($22, 6)
+#define write_c0_brcm_cbr(val)         __write_32bit_c0_register($22, 6, val)
+
+/* BMIPS5000 */
+#define read_c0_brcm_config()          __read_32bit_c0_register($22, 0)
+#define write_c0_brcm_config(val)      __write_32bit_c0_register($22, 0, val)
+
+#define read_c0_brcm_mode()            __read_32bit_c0_register($22, 1)
+#define write_c0_brcm_mode(val)                __write_32bit_c0_register($22, 1, val)
+
+#define read_c0_brcm_action()          __read_32bit_c0_register($22, 2)
+#define write_c0_brcm_action(val)      __write_32bit_c0_register($22, 2, val)
+
+#define read_c0_brcm_edsp()            __read_32bit_c0_register($22, 3)
+#define write_c0_brcm_edsp(val)                __write_32bit_c0_register($22, 3, val)
+
+#define read_c0_brcm_bootvec()         __read_32bit_c0_register($22, 4)
+#define write_c0_brcm_bootvec(val)     __write_32bit_c0_register($22, 4, val)
+
+#define read_c0_brcm_sleepcount()      __read_32bit_c0_register($22, 7)
+#define write_c0_brcm_sleepcount(val)  __write_32bit_c0_register($22, 7, val)
+
+/*
+ * Macros to access the floating point coprocessor control registers
+ */
+#define _read_32bit_cp1_register(source, gas_hardfloat)                        \
 ({                                                                     \
        unsigned int __res;                                             \
                                                                        \
        __asm__ __volatile__(                                           \
-       "       .set    push                            \n"             \
-       "       .set    noat                            \n"             \
-       "       # rddsp $1, %x1                         \n"             \
-       "       .word   0x7c000cb8 | (%x1 << 16)        \n"             \
-       "       move    %0, $1                          \n"             \
-       "       .set    pop                             \n"             \
-       : "=r" (__res)                                                  \
-       : "i" (mask));                                                  \
+       "       .set    push                                    \n"     \
+       "       .set    reorder                                 \n"     \
+       "       # gas fails to assemble cfc1 for some archs,    \n"     \
+       "       # like Octeon.                                  \n"     \
+       "       .set    mips1                                   \n"     \
+       "       "STR(gas_hardfloat)"                            \n"     \
+       "       cfc1    %0,"STR(source)"                        \n"     \
+       "       .set    pop                                     \n"     \
+       : "=r" (__res));                                                \
        __res;                                                          \
 })
 
-#define wrdsp(val, mask)                                               \
-do {                                                                   \
+#define _write_32bit_cp1_register(dest, val, gas_hardfloat)            \
+({                                                                     \
        __asm__ __volatile__(                                           \
        "       .set    push                                    \n"     \
-       "       .set    noat                                    \n"     \
-       "       move    $1, %0                                  \n"     \
-       "       # wrdsp $1, %x1                                 \n"     \
-       "       .word   0x7c2004f8 | (%x1 << 11)                \n"     \
+       "       .set    reorder                                 \n"     \
+       "       "STR(gas_hardfloat)"                            \n"     \
+       "       ctc1    %0,"STR(dest)"                          \n"     \
        "       .set    pop                                     \n"     \
+       : : "r" (val));                                                 \
+})
+
+#ifdef GAS_HAS_SET_HARDFLOAT
+#define read_32bit_cp1_register(source)                                        \
+       _read_32bit_cp1_register(source, .set hardfloat)
+#define write_32bit_cp1_register(dest, val)                            \
+       _write_32bit_cp1_register(dest, val, .set hardfloat)
+#else
+#define read_32bit_cp1_register(source)                                        \
+       _read_32bit_cp1_register(source, )
+#define write_32bit_cp1_register(dest, val)                            \
+       _write_32bit_cp1_register(dest, val, )
+#endif
+
+#ifdef HAVE_AS_DSP
+#define rddsp(mask)                                                    \
+({                                                                     \
+       unsigned int __dspctl;                                          \
+                                                                       \
+       __asm__ __volatile__(                                           \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       rddsp   %0, %x1                                 \n"     \
+       "       .set pop                                        \n"     \
+       : "=r" (__dspctl)                                               \
+       : "i" (mask));                                                  \
+       __dspctl;                                                       \
+})
+
+#define wrdsp(val, mask)                                               \
+({                                                                     \
+       __asm__ __volatile__(                                           \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       wrdsp   %0, %x1                                 \n"     \
+       "       .set pop                                        \n"     \
        :                                                               \
        : "r" (val), "i" (mask));                                       \
-} while (0)
+})
+
+#define mflo0()                                                                \
+({                                                                     \
+       long mflo0;                                                     \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mflo %0, $ac0                                   \n"     \
+       "       .set pop                                        \n"     \
+       : "=r" (mflo0));                                                \
+       mflo0;                                                          \
+})
+
+#define mflo1()                                                                \
+({                                                                     \
+       long mflo1;                                                     \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mflo %0, $ac1                                   \n"     \
+       "       .set pop                                        \n"     \
+       : "=r" (mflo1));                                                \
+       mflo1;                                                          \
+})
+
+#define mflo2()                                                                \
+({                                                                     \
+       long mflo2;                                                     \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mflo %0, $ac2                                   \n"     \
+       "       .set pop                                        \n"     \
+       : "=r" (mflo2));                                                \
+       mflo2;                                                          \
+})
+
+#define mflo3()                                                                \
+({                                                                     \
+       long mflo3;                                                     \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mflo %0, $ac3                                   \n"     \
+       "       .set pop                                        \n"     \
+       : "=r" (mflo3));                                                \
+       mflo3;                                                          \
+})
 
 #define mfhi0()                                                                \
 ({                                                                     \
-       unsigned long __treg;                                           \
-                                                                       \
-       __asm__ __volatile__(                                           \
-       "       .set    push                    \n"                     \
-       "       .set    noat                    \n"                     \
-       "       # mfhi  %0, $ac0                \n"                     \
-       "       .word   0x00000810              \n"                     \
-       "       move    %0, $1                  \n"                     \
-       "       .set    pop                     \n"                     \
-       : "=r" (__treg));                                               \
-       __treg;                                                         \
+       long mfhi0;                                                     \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mfhi %0, $ac0                                   \n"     \
+       "       .set pop                                        \n"     \
+       : "=r" (mfhi0));                                                \
+       mfhi0;                                                          \
 })
 
 #define mfhi1()                                                                \
 ({                                                                     \
-       unsigned long __treg;                                           \
-                                                                       \
-       __asm__ __volatile__(                                           \
-       "       .set    push                    \n"                     \
-       "       .set    noat                    \n"                     \
-       "       # mfhi  %0, $ac1                \n"                     \
-       "       .word   0x00200810              \n"                     \
-       "       move    %0, $1                  \n"                     \
-       "       .set    pop                     \n"                     \
-       : "=r" (__treg));                                               \
-       __treg;                                                         \
+       long mfhi1;                                                     \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mfhi %0, $ac1                                   \n"     \
+       "       .set pop                                        \n"     \
+       : "=r" (mfhi1));                                                \
+       mfhi1;                                                          \
 })
 
 #define mfhi2()                                                                \
 ({                                                                     \
-       unsigned long __treg;                                           \
-                                                                       \
-       __asm__ __volatile__(                                           \
-       "       .set    push                    \n"                     \
-       "       .set    noat                    \n"                     \
-       "       # mfhi  %0, $ac2                \n"                     \
-       "       .word   0x00400810              \n"                     \
-       "       move    %0, $1                  \n"                     \
-       "       .set    pop                     \n"                     \
-       : "=r" (__treg));                                               \
-       __treg;                                                         \
+       long mfhi2;                                                     \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mfhi %0, $ac2                                   \n"     \
+       "       .set pop                                        \n"     \
+       : "=r" (mfhi2));                                                \
+       mfhi2;                                                          \
 })
 
 #define mfhi3()                                                                \
 ({                                                                     \
-       unsigned long __treg;                                           \
-                                                                       \
-       __asm__ __volatile__(                                           \
-       "       .set    push                    \n"                     \
-       "       .set    noat                    \n"                     \
-       "       # mfhi  %0, $ac3                \n"                     \
-       "       .word   0x00600810              \n"                     \
-       "       move    %0, $1                  \n"                     \
-       "       .set    pop                     \n"                     \
-       : "=r" (__treg));                                               \
-       __treg;                                                         \
+       long mfhi3;                                                     \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mfhi %0, $ac3                                   \n"     \
+       "       .set pop                                        \n"     \
+       : "=r" (mfhi3));                                                \
+       mfhi3;                                                          \
 })
 
-#define mflo0()                                                                \
+
+#define mtlo0(x)                                                       \
 ({                                                                     \
-       unsigned long __treg;                                           \
-                                                                       \
-       __asm__ __volatile__(                                           \
-       "       .set    push                    \n"                     \
-       "       .set    noat                    \n"                     \
-       "       # mflo  %0, $ac0                \n"                     \
-       "       .word   0x00000812              \n"                     \
-       "       move    %0, $1                  \n"                     \
-       "       .set    pop                     \n"                     \
-       : "=r" (__treg));                                               \
-       __treg;                                                         \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mtlo %0, $ac0                                   \n"     \
+       "       .set pop                                        \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
 })
 
-#define mflo1()                                                                \
+#define mtlo1(x)                                                       \
 ({                                                                     \
-       unsigned long __treg;                                           \
-                                                                       \
-       __asm__ __volatile__(                                           \
-       "       .set    push                    \n"                     \
-       "       .set    noat                    \n"                     \
-       "       # mflo  %0, $ac1                \n"                     \
-       "       .word   0x00200812              \n"                     \
-       "       move    %0, $1                  \n"                     \
-       "       .set    pop                     \n"                     \
-       : "=r" (__treg));                                               \
-       __treg;                                                         \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mtlo %0, $ac1                                   \n"     \
+       "       .set pop                                        \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
 })
 
-#define mflo2()                                                                \
+#define mtlo2(x)                                                       \
 ({                                                                     \
-       unsigned long __treg;                                           \
-                                                                       \
-       __asm__ __volatile__(                                           \
-       "       .set    push                    \n"                     \
-       "       .set    noat                    \n"                     \
-       "       # mflo  %0, $ac2                \n"                     \
-       "       .word   0x00400812              \n"                     \
-       "       move    %0, $1                  \n"                     \
-       "       .set    pop                     \n"                     \
-       : "=r" (__treg));                                               \
-       __treg;                                                         \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mtlo %0, $ac2                                   \n"     \
+       "       .set pop                                        \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
 })
 
-#define mflo3()                                                                \
+#define mtlo3(x)                                                       \
 ({                                                                     \
-       unsigned long __treg;                                           \
-                                                                       \
-       __asm__ __volatile__(                                           \
-       "       .set    push                    \n"                     \
-       "       .set    noat                    \n"                     \
-       "       # mflo  %0, $ac3                \n"                     \
-       "       .word   0x00600812              \n"                     \
-       "       move    %0, $1                  \n"                     \
-       "       .set    pop                     \n"                     \
-       : "=r" (__treg));                                               \
-       __treg;                                                         \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mtlo %0, $ac3                                   \n"     \
+       "       .set pop                                        \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
 })
 
 #define mthi0(x)                                                       \
-do {                                                                   \
-       __asm__ __volatile__(                                           \
-       "       .set    push                                    \n"     \
-       "       .set    noat                                    \n"     \
-       "       move    $1, %0                                  \n"     \
-       "       # mthi  $1, $ac0                                \n"     \
-       "       .word   0x00200011                              \n"     \
-       "       .set    pop                                     \n"     \
+({                                                                     \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mthi %0, $ac0                                   \n"     \
+       "       .set pop                                        \n"     \
        :                                                               \
        : "r" (x));                                                     \
-} while (0)
+})
 
 #define mthi1(x)                                                       \
-do {                                                                   \
+({                                                                     \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mthi %0, $ac1                                   \n"     \
+       "       .set pop                                        \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
+})
+
+#define mthi2(x)                                                       \
+({                                                                     \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mthi %0, $ac2                                   \n"     \
+       "       .set pop                                        \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
+})
+
+#define mthi3(x)                                                       \
+({                                                                     \
+       __asm__(                                                        \
+       "       .set push                                       \n"     \
+       "       .set dsp                                        \n"     \
+       "       mthi %0, $ac3                                   \n"     \
+       "       .set pop                                        \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
+})
+
+#else
+
+#ifdef CONFIG_CPU_MICROMIPS
+#define rddsp(mask)                                                    \
+({                                                                     \
+       unsigned int __res;                                             \
+                                                                       \
        __asm__ __volatile__(                                           \
        "       .set    push                                    \n"     \
        "       .set    noat                                    \n"     \
-       "       move    $1, %0                                  \n"     \
-       "       # mthi  $1, $ac1                                \n"     \
-       "       .word   0x00200811                              \n"     \
+       "       # rddsp $1, %x1                                 \n"     \
+       "       .hword  ((0x0020067c | (%x1 << 14)) >> 16)      \n"     \
+       "       .hword  ((0x0020067c | (%x1 << 14)) & 0xffff)   \n"     \
+       "       move    %0, $1                                  \n"     \
        "       .set    pop                                     \n"     \
-       :                                                               \
-       : "r" (x));                                                     \
-} while (0)
+       : "=r" (__res)                                                  \
+       : "i" (mask));                                                  \
+       __res;                                                          \
+})
 
-#define mthi2(x)                                                       \
-do {                                                                   \
+#define wrdsp(val, mask)                                               \
+({                                                                     \
        __asm__ __volatile__(                                           \
        "       .set    push                                    \n"     \
        "       .set    noat                                    \n"     \
        "       move    $1, %0                                  \n"     \
-       "       # mthi  $1, $ac2                                \n"     \
-       "       .word   0x00201011                              \n"     \
+       "       # wrdsp $1, %x1                                 \n"     \
+       "       .hword  ((0x0020167c | (%x1 << 14)) >> 16)      \n"     \
+       "       .hword  ((0x0020167c | (%x1 << 14)) & 0xffff)   \n"     \
        "       .set    pop                                     \n"     \
        :                                                               \
-       : "r" (x));                                                     \
-} while (0)
+       : "r" (val), "i" (mask));                                       \
+})
 
-#define mthi3(x)                                                       \
-do {                                                                   \
+#define _umips_dsp_mfxxx(ins)                                          \
+({                                                                     \
+       unsigned long __treg;                                           \
+                                                                       \
        __asm__ __volatile__(                                           \
        "       .set    push                                    \n"     \
        "       .set    noat                                    \n"     \
-       "       move    $1, %0                                  \n"     \
-       "       # mthi  $1, $ac3                                \n"     \
-       "       .word   0x00201811                              \n"     \
+       "       .hword  0x0001                                  \n"     \
+       "       .hword  %x1                                     \n"     \
+       "       move    %0, $1                                  \n"     \
        "       .set    pop                                     \n"     \
-       :                                                               \
-       : "r" (x));                                                     \
-} while (0)
+       : "=r" (__treg)                                                 \
+       : "i" (ins));                                                   \
+       __treg;                                                         \
+})
 
-#define mtlo0(x)                                                       \
-do {                                                                   \
+#define _umips_dsp_mtxxx(val, ins)                                     \
+({                                                                     \
        __asm__ __volatile__(                                           \
        "       .set    push                                    \n"     \
        "       .set    noat                                    \n"     \
        "       move    $1, %0                                  \n"     \
-       "       # mtlo  $1, $ac0                                \n"     \
-       "       .word   0x00200013                              \n"     \
+       "       .hword  0x0001                                  \n"     \
+       "       .hword  %x1                                     \n"     \
        "       .set    pop                                     \n"     \
        :                                                               \
-       : "r" (x));                                                     \
-} while (0)
+       : "r" (val), "i" (ins));                                        \
+})
 
-#define mtlo1(x)                                                       \
-do {                                                                   \
+#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
+#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
+
+#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
+#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
+
+#define mflo0() _umips_dsp_mflo(0)
+#define mflo1() _umips_dsp_mflo(1)
+#define mflo2() _umips_dsp_mflo(2)
+#define mflo3() _umips_dsp_mflo(3)
+
+#define mfhi0() _umips_dsp_mfhi(0)
+#define mfhi1() _umips_dsp_mfhi(1)
+#define mfhi2() _umips_dsp_mfhi(2)
+#define mfhi3() _umips_dsp_mfhi(3)
+
+#define mtlo0(x) _umips_dsp_mtlo(x, 0)
+#define mtlo1(x) _umips_dsp_mtlo(x, 1)
+#define mtlo2(x) _umips_dsp_mtlo(x, 2)
+#define mtlo3(x) _umips_dsp_mtlo(x, 3)
+
+#define mthi0(x) _umips_dsp_mthi(x, 0)
+#define mthi1(x) _umips_dsp_mthi(x, 1)
+#define mthi2(x) _umips_dsp_mthi(x, 2)
+#define mthi3(x) _umips_dsp_mthi(x, 3)
+
+#else  /* !CONFIG_CPU_MICROMIPS */
+#define rddsp(mask)                                                    \
+({                                                                     \
+       unsigned int __res;                                             \
+                                                                       \
+       __asm__ __volatile__(                                           \
+       "       .set    push                            \n"             \
+       "       .set    noat                            \n"             \
+       "       # rddsp $1, %x1                         \n"             \
+       "       .word   0x7c000cb8 | (%x1 << 16)        \n"             \
+       "       move    %0, $1                          \n"             \
+       "       .set    pop                             \n"             \
+       : "=r" (__res)                                                  \
+       : "i" (mask));                                                  \
+       __res;                                                          \
+})
+
+#define wrdsp(val, mask)                                               \
+({                                                                     \
        __asm__ __volatile__(                                           \
        "       .set    push                                    \n"     \
        "       .set    noat                                    \n"     \
        "       move    $1, %0                                  \n"     \
-       "       # mtlo  $1, $ac1                                \n"     \
-       "       .word   0x00200813                              \n"     \
+       "       # wrdsp $1, %x1                                 \n"     \
+       "       .word   0x7c2004f8 | (%x1 << 11)                \n"     \
        "       .set    pop                                     \n"     \
        :                                                               \
-       : "r" (x));                                                     \
-} while (0)
+       : "r" (val), "i" (mask));                                       \
+})
 
-#define mtlo2(x)                                                       \
-do {                                                                   \
+#define _dsp_mfxxx(ins)                                                        \
+({                                                                     \
+       unsigned long __treg;                                           \
+                                                                       \
        __asm__ __volatile__(                                           \
        "       .set    push                                    \n"     \
        "       .set    noat                                    \n"     \
-       "       move    $1, %0                                  \n"     \
-       "       # mtlo  $1, $ac2                                \n"     \
-       "       .word   0x00201013                              \n"     \
+       "       .word   (0x00000810 | %1)                       \n"     \
+       "       move    %0, $1                                  \n"     \
        "       .set    pop                                     \n"     \
-       :                                                               \
-       : "r" (x));                                                     \
-} while (0)
+       : "=r" (__treg)                                                 \
+       : "i" (ins));                                                   \
+       __treg;                                                         \
+})
 
-#define mtlo3(x)                                                       \
-do {                                                                   \
+#define _dsp_mtxxx(val, ins)                                           \
+({                                                                     \
        __asm__ __volatile__(                                           \
        "       .set    push                                    \n"     \
        "       .set    noat                                    \n"     \
        "       move    $1, %0                                  \n"     \
-       "       # mtlo  $1, $ac3                                \n"     \
-       "       .word   0x00201813                              \n"     \
+       "       .word   (0x00200011 | %1)                       \n"     \
        "       .set    pop                                     \n"     \
        :                                                               \
-       : "r" (x));                                                     \
-} while (0)
+       : "r" (val), "i" (ins));                                        \
+})
+
+#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
+#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
+
+#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
+#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
+
+#define mflo0() _dsp_mflo(0)
+#define mflo1() _dsp_mflo(1)
+#define mflo2() _dsp_mflo(2)
+#define mflo3() _dsp_mflo(3)
+
+#define mfhi0() _dsp_mfhi(0)
+#define mfhi1() _dsp_mfhi(1)
+#define mfhi2() _dsp_mfhi(2)
+#define mfhi3() _dsp_mfhi(3)
+
+#define mtlo0(x) _dsp_mtlo(x, 0)
+#define mtlo1(x) _dsp_mtlo(x, 1)
+#define mtlo2(x) _dsp_mtlo(x, 2)
+#define mtlo3(x) _dsp_mtlo(x, 3)
+
+#define mthi0(x) _dsp_mthi(x, 0)
+#define mthi1(x) _dsp_mthi(x, 1)
+#define mthi2(x) _dsp_mthi(x, 2)
+#define mthi3(x) _dsp_mthi(x, 3)
+
+#endif /* CONFIG_CPU_MICROMIPS */
+#endif
 
 /*
  * TLB operations.
@@ -1324,11 +1933,11 @@ static inline void tlb_write_random(void)
 static inline unsigned int                                     \
 set_c0_##name(unsigned int set)                                        \
 {                                                              \
-       unsigned int res;                                       \
+       unsigned int res, new;                                  \
                                                                \
        res = read_c0_##name();                                 \
-       res |= set;                                             \
-       write_c0_##name(res);                                   \
+       new = res | set;                                        \
+       write_c0_##name(new);                                   \
                                                                \
        return res;                                             \
 }                                                              \
@@ -1336,24 +1945,24 @@ set_c0_##name(unsigned int set)                                 \
 static inline unsigned int                                     \
 clear_c0_##name(unsigned int clear)                            \
 {                                                              \
-       unsigned int res;                                       \
+       unsigned int res, new;                                  \
                                                                \
        res = read_c0_##name();                                 \
-       res &= ~clear;                                          \
-       write_c0_##name(res);                                   \
+       new = res & ~clear;                                     \
+       write_c0_##name(new);                                   \
                                                                \
        return res;                                             \
 }                                                              \
                                                                \
 static inline unsigned int                                     \
-change_c0_##name(unsigned int change, unsigned int new)                \
+change_c0_##name(unsigned int change, unsigned int val)                \
 {                                                              \
-       unsigned int res;                                       \
+       unsigned int res, new;                                  \
                                                                \
        res = read_c0_##name();                                 \
-       res &= ~change;                                         \
-       res |= (new & change);                                  \
-       write_c0_##name(res);                                   \
+       new = res & ~change;                                    \
+       new |= (val & change);                                  \
+       write_c0_##name(new);                                   \
                                                                \
        return res;                                             \
 }
@@ -1361,9 +1970,27 @@ change_c0_##name(unsigned int change, unsigned int new)          \
 __BUILD_SET_C0(status)
 __BUILD_SET_C0(cause)
 __BUILD_SET_C0(config)
+__BUILD_SET_C0(config5)
 __BUILD_SET_C0(intcontrol)
 __BUILD_SET_C0(intctl)
 __BUILD_SET_C0(srsmap)
+__BUILD_SET_C0(pagegrain)
+__BUILD_SET_C0(brcm_config_0)
+__BUILD_SET_C0(brcm_bus_pll)
+__BUILD_SET_C0(brcm_reset)
+__BUILD_SET_C0(brcm_cmt_intr)
+__BUILD_SET_C0(brcm_cmt_ctrl)
+__BUILD_SET_C0(brcm_config)
+__BUILD_SET_C0(brcm_mode)
+
+/*
+ * Return low 10 bits of ebase.
+ * Note that under KVM (MIPSVZ) this returns vcpu id.
+ */
+static inline unsigned int get_ebase_cpunum(void)
+{
+       return read_c0_ebase() & 0x3ff;
+}
 
 #endif /* !__ASSEMBLY__ */
 
index ba7f5381a3aa586213a7ce15d793a4964e1b3230..02a3b167f537bd9cc454737d9a40a37a86a66685 100644 (file)
@@ -1,12 +1,10 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1994 Waldorf GMBH
  * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2003 Ralf Baechle
  * Copyright (C) 1996 Paul M. Antoine
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0
  */
 #ifndef _ASM_PROCESSOR_H
 #define _ASM_PROCESSOR_H
index 5659c0c873aebeb963f724cf5929127264842d0c..da051f6e10b85377d604161ce0fbe25f4336d192 100644 (file)
@@ -1,35 +1,27 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0
  */
 #ifndef _ASM_PTRACE_H
 #define _ASM_PTRACE_H
 
-/* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
-#define FPR_BASE       32
-#define PC             64
-#define CAUSE          65
-#define BADVADDR       66
-#define MMHI           67
-#define MMLO           68
-#define FPC_CSR                69
-#define FPC_EIR                70
-#define DSP_BASE       71              /* 3 more hi / lo register pairs */
-#define DSP_CONTROL    77
-#define ACX            78
+#include <linux/compiler.h>
+#include <linux/types.h>
+#include <asm/isadep.h>
 
 /*
  * This struct defines the way the registers are stored on the stack during a
  * system call/exception. As usual the registers k0/k1 aren't being saved.
+ *
+ * If you add a register here, also add it to regoffset_table[] in
+ * arch/mips/kernel/ptrace.c.
  */
 struct pt_regs {
 #ifdef CONFIG_32BIT
        /* Pad bytes for argument save space on the stack. */
-       unsigned long pad0[6];
+       unsigned long pad0[8];
 #endif
 
        /* Saved main processor registers. */
@@ -45,34 +37,50 @@ struct pt_regs {
        unsigned long cp0_badvaddr;
        unsigned long cp0_cause;
        unsigned long cp0_epc;
-#ifdef CONFIG_MIPS_MT_SMTC
-       unsigned long cp0_tcstatus;
-#endif /* CONFIG_MIPS_MT_SMTC */
-} __attribute__ ((aligned (8)));
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
+       unsigned long long mpl[6];        /* MTM{0-5} */
+       unsigned long long mtp[6];        /* MTP{0-5} */
+#endif
+       unsigned long __last[0];
+} __aligned(8);
 
-/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
-#define PTRACE_GETREGS         12
-#define PTRACE_SETREGS         13
-#define PTRACE_GETFPREGS               14
-#define PTRACE_SETFPREGS               15
-/* #define PTRACE_GETFPXREGS           18 */
-/* #define PTRACE_SETFPXREGS           19 */
+static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
+{
+       return regs->regs[31];
+}
 
-#define PTRACE_OLDSETOPTIONS   21
+/*
+ * Don't use asm-generic/ptrace.h it defines FP accessors that don't make
+ * sense on MIPS.  We rather want an error if they get invoked.
+ */
 
-#define PTRACE_GET_THREAD_AREA 25
-#define PTRACE_SET_THREAD_AREA 26
+static inline void instruction_pointer_set(struct pt_regs *regs,
+                                               unsigned long val)
+{
+       regs->cp0_epc = val;
+}
 
-/* Calls to trace a 64bit program from a 32bit program.  */
-#define PTRACE_PEEKTEXT_3264   0xc0
-#define PTRACE_PEEKDATA_3264   0xc1
-#define PTRACE_POKETEXT_3264   0xc2
-#define PTRACE_POKEDATA_3264   0xc3
-#define PTRACE_GET_THREAD_AREA_3264    0xc4
+/* Query offset/name of register from its name/offset */
+extern int regs_query_register_offset(const char *name);
+#define MAX_REG_OFFSET (offsetof(struct pt_regs, __last))
 
-#ifdef __KERNEL__
+/**
+ * regs_get_register() - get register value from its offset
+ * @regs:       pt_regs from which register value is gotten.
+ * @offset:     offset number of the register.
+ *
+ * regs_get_register returns the value of a register. The @offset is the
+ * offset of the register in struct pt_regs address which specified by @regs.
+ * If @offset is bigger than MAX_REG_OFFSET, this returns 0.
+ */
+static inline unsigned long regs_get_register(struct pt_regs *regs,
+                                               unsigned int offset)
+{
+       if (unlikely(offset > MAX_REG_OFFSET))
+               return 0;
 
-#include <asm/isadep.h>
+       return *(unsigned long *)((unsigned long)regs + offset);
+}
 
 /*
  * Does the process account for user or for system time?
@@ -82,6 +90,17 @@ struct pt_regs {
 #define instruction_pointer(regs) ((regs)->cp0_epc)
 #define profile_pc(regs) instruction_pointer(regs)
 
-#endif
+/* Helpers for working with the user stack pointer */
+
+static inline unsigned long user_stack_pointer(struct pt_regs *regs)
+{
+       return regs->regs[29];
+}
+
+static inline void user_stack_pointer_set(struct pt_regs *regs,
+                                               unsigned long val)
+{
+       regs->regs[29] = val;
+}
 
 #endif /* _ASM_PTRACE_H */
index 2e65cc3c438f4274a8f4070373b8247b45f37d02..f1efc45791583160c044b9044af4986fbbc6315a 100644 (file)
@@ -1,11 +1,11 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1985 MIPS Computer Systems, Inc.
  * Copyright (C) 1994, 95, 99, 2003 by Ralf Baechle
  * Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc.
+ * Copyright (C) 2011 Wind River Systems,
+ *   written by Ralf Baechle <ralf@linux-mips.org>
+ *
+ * SPDX-License-Identifier:    GPL-2.0
  */
 #ifndef _ASM_REGDEF_H
 #define _ASM_REGDEF_H
 #define t2     $10
 #define t3     $11
 #define t4     $12
+#define ta0    $12
 #define t5     $13
+#define ta1    $13
 #define t6     $14
+#define ta2    $14
 #define t7     $15
+#define ta3    $15
 #define s0     $16     /* callee saved */
 #define s1     $17
 #define s2     $18
index e245614d1688e22cf325e2f8eaa4c79ca39a0fa3..bf8ff598acd7f43ea250be3b6ff5d13b6cf922a4 100644 (file)
@@ -27,7 +27,7 @@ static inline unsigned long icache_line_size(void)
 {
        unsigned long conf1, il;
        conf1 = read_c0_config1();
-       il = (conf1 & MIPS_CONF1_IL) >> MIPS_CONF1_IL_SHIFT;
+       il = (conf1 & MIPS_CONF1_IL) >> MIPS_CONF1_IL_SHF;
        if (!il)
                return 0;
        return 2 << il;
@@ -37,7 +37,7 @@ static inline unsigned long dcache_line_size(void)
 {
        unsigned long conf1, dl;
        conf1 = read_c0_config1();
-       dl = (conf1 & MIPS_CONF1_DL) >> MIPS_CONF1_DL_SHIFT;
+       dl = (conf1 & MIPS_CONF1_DL) >> MIPS_CONF1_DL_SHF;
        if (!dl)
                return 0;
        return 2 << dl;
index 137d7283ffefb1f81a60b81fbfb5c559f798787e..14cc2c49fda23c30e7d9fdb2d2f2bf4ad88941ef 100644 (file)
        mfc0    $1, CP0_CONFIG, 1
 
        /* detect line size */
-       srl     \line_sz, $1, \off + MIPS_CONF1_DL_SHIFT - MIPS_CONF1_DA_SHIFT
-       andi    \line_sz, \line_sz, (MIPS_CONF1_DL >> MIPS_CONF1_DL_SHIFT)
+       srl     \line_sz, $1, \off + MIPS_CONF1_DL_SHF - MIPS_CONF1_DA_SHF
+       andi    \line_sz, \line_sz, (MIPS_CONF1_DL >> MIPS_CONF1_DL_SHF)
        move    \sz, zero
        beqz    \line_sz, 10f
        li      \sz, 2
        sllv    \line_sz, \sz, \line_sz
 
        /* detect associativity */
-       srl     \sz, $1, \off + MIPS_CONF1_DA_SHIFT - MIPS_CONF1_DA_SHIFT
-       andi    \sz, \sz, (MIPS_CONF1_DA >> MIPS_CONF1_DA_SHIFT)
+       srl     \sz, $1, \off + MIPS_CONF1_DA_SHF - MIPS_CONF1_DA_SHF
+       andi    \sz, \sz, (MIPS_CONF1_DA >> MIPS_CONF1_DA_SHF)
        addi    \sz, \sz, 1
 
        /* sz *= line_sz */
        mul     \sz, \sz, \line_sz
 
        /* detect log32(sets) */
-       srl     $1, $1, \off + MIPS_CONF1_DS_SHIFT - MIPS_CONF1_DA_SHIFT
-       andi    $1, $1, (MIPS_CONF1_DS >> MIPS_CONF1_DS_SHIFT)
+       srl     $1, $1, \off + MIPS_CONF1_DS_SHF - MIPS_CONF1_DA_SHF
+       andi    $1, $1, (MIPS_CONF1_DS >> MIPS_CONF1_DS_SHF)
        addiu   $1, $1, 1
        andi    $1, $1, 0x7
 
@@ -103,14 +103,14 @@ LEAF(mips_cache_reset)
        li      t2, CONFIG_SYS_ICACHE_SIZE
        li      t8, CONFIG_SYS_CACHELINE_SIZE
 #else
-       l1_info t2, t8, MIPS_CONF1_IA_SHIFT
+       l1_info t2, t8, MIPS_CONF1_IA_SHF
 #endif
 
 #ifdef CONFIG_SYS_DCACHE_SIZE
        li      t3, CONFIG_SYS_DCACHE_SIZE
        li      t9, CONFIG_SYS_CACHELINE_SIZE
 #else
-       l1_info t3, t9, MIPS_CONF1_DA_SHIFT
+       l1_info t3, t9, MIPS_CONF1_DA_SHF
 #endif
 
 #ifdef CONFIG_SYS_MIPS_CACHE_INIT_RAM_LOAD