default "sh3" if CPU_SH3
default "sh4" if CPU_SH4
+config USE_PRIVATE_LIBGCC
+ default y
+
source "board/alphaproject/ap_sh4a_4a/Kconfig"
source "board/espt/Kconfig"
source "board/mpr2/Kconfig"
endif
obj-$(CONFIG_CMD_SH_ZIMAGEBOOT) += zimageboot.o
-lib-$(CONFIG_USE_PRIVATE_LIBGCC) += ashiftrt.o ashiftlt.o lshiftrt.o \
- ashldi3.o ashrsi3.o lshrdi3.o movmem.o
+udivsi3-y := udivsi3_i4i-Os.o
+
+ifneq ($(CONFIG_CC_OPTIMIZE_FOR_SIZE),y)
+udivsi3-$(CONFIG_CPU_SH3) := udivsi3_i4i.o
+udivsi3-$(CONFIG_CPU_SH4) := udivsi3_i4i.o
+endif
+udivsi3-y += udivsi3.o
+
+lib-$(CONFIG_USE_PRIVATE_LIBGCC) += movmem.o ashldi3.o ashrdi3.o lshrdi3.o \
+ ashlsi3.o ashrsi3.o ashiftrt.o lshrsi3.o \
+ udiv_qrnnd.o $(udivsi3-y)
+++ /dev/null
-/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006
- Free Software Foundation, Inc.
-
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-!! libgcc routines for the Renesas / SuperH SH CPUs.
-!! Contributed by Steve Chamberlain.
-!! sac@cygnus.com
-
-!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
-!! recoded in assembly by Toshiyasu Morita
-!! tm@netcom.com
-
-/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
- ELF local label prefixes by J"orn Rennecke
- amylaar@cygnus.com */
-
-!
-! GLOBAL(ashlsi3)
-!
-! Entry:
-!
-! r4: Value to shift
-! r5: Shifts
-!
-! Exit:
-!
-! r0: Result
-!
-! Destroys:
-!
-! (none)
-!
- .global __ashlsi3
- .align 2
-__ashlsi3:
- mov #31,r0
- and r0,r5
- mova __ashlsi3_table,r0
- mov.b @(r0,r5),r5
-#ifdef __sh1__
- add r5,r0
- jmp @r0
-#else
- braf r5
-#endif
- mov r4,r0
-
- .align 2
-__ashlsi3_table:
- .byte __ashlsi3_0-__ashlsi3_table
- .byte __ashlsi3_1-__ashlsi3_table
- .byte __ashlsi3_2-__ashlsi3_table
- .byte __ashlsi3_3-__ashlsi3_table
- .byte __ashlsi3_4-__ashlsi3_table
- .byte __ashlsi3_5-__ashlsi3_table
- .byte __ashlsi3_6-__ashlsi3_table
- .byte __ashlsi3_7-__ashlsi3_table
- .byte __ashlsi3_8-__ashlsi3_table
- .byte __ashlsi3_9-__ashlsi3_table
- .byte __ashlsi3_10-__ashlsi3_table
- .byte __ashlsi3_11-__ashlsi3_table
- .byte __ashlsi3_12-__ashlsi3_table
- .byte __ashlsi3_13-__ashlsi3_table
- .byte __ashlsi3_14-__ashlsi3_table
- .byte __ashlsi3_15-__ashlsi3_table
- .byte __ashlsi3_16-__ashlsi3_table
- .byte __ashlsi3_17-__ashlsi3_table
- .byte __ashlsi3_18-__ashlsi3_table
- .byte __ashlsi3_19-__ashlsi3_table
- .byte __ashlsi3_20-__ashlsi3_table
- .byte __ashlsi3_21-__ashlsi3_table
- .byte __ashlsi3_22-__ashlsi3_table
- .byte __ashlsi3_23-__ashlsi3_table
- .byte __ashlsi3_24-__ashlsi3_table
- .byte __ashlsi3_25-__ashlsi3_table
- .byte __ashlsi3_26-__ashlsi3_table
- .byte __ashlsi3_27-__ashlsi3_table
- .byte __ashlsi3_28-__ashlsi3_table
- .byte __ashlsi3_29-__ashlsi3_table
- .byte __ashlsi3_30-__ashlsi3_table
- .byte __ashlsi3_31-__ashlsi3_table
-
-__ashlsi3_6:
- shll2 r0
-__ashlsi3_4:
- shll2 r0
-__ashlsi3_2:
- rts
- shll2 r0
-
-__ashlsi3_7:
- shll2 r0
-__ashlsi3_5:
- shll2 r0
-__ashlsi3_3:
- shll2 r0
-__ashlsi3_1:
- rts
- shll r0
-
-__ashlsi3_14:
- shll2 r0
-__ashlsi3_12:
- shll2 r0
-__ashlsi3_10:
- shll2 r0
-__ashlsi3_8:
- rts
- shll8 r0
-
-__ashlsi3_15:
- shll2 r0
-__ashlsi3_13:
- shll2 r0
-__ashlsi3_11:
- shll2 r0
-__ashlsi3_9:
- shll8 r0
- rts
- shll r0
-
-__ashlsi3_22:
- shll2 r0
-__ashlsi3_20:
- shll2 r0
-__ashlsi3_18:
- shll2 r0
-__ashlsi3_16:
- rts
- shll16 r0
-
-__ashlsi3_23:
- shll2 r0
-__ashlsi3_21:
- shll2 r0
-__ashlsi3_19:
- shll2 r0
-__ashlsi3_17:
- shll16 r0
- rts
- shll r0
-
-__ashlsi3_30:
- shll2 r0
-__ashlsi3_28:
- shll2 r0
-__ashlsi3_26:
- shll2 r0
-__ashlsi3_24:
- shll16 r0
- rts
- shll8 r0
-
-__ashlsi3_31:
- shll2 r0
-__ashlsi3_29:
- shll2 r0
-__ashlsi3_27:
- shll2 r0
-__ashlsi3_25:
- shll16 r0
- shll8 r0
- rts
- shll r0
-
-__ashlsi3_0:
- rts
- nop
--- /dev/null
+/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004, 2005, 2006
+ Free Software Foundation, Inc.
+
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+!! libgcc routines for the Renesas / SuperH SH CPUs.
+!! Contributed by Steve Chamberlain.
+!! sac@cygnus.com
+
+!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
+!! recoded in assembly by Toshiyasu Morita
+!! tm@netcom.com
+
+/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
+ ELF local label prefixes by J"orn Rennecke
+ amylaar@cygnus.com */
+
+!
+! GLOBAL(ashlsi3)
+!
+! Entry:
+!
+! r4: Value to shift
+! r5: Shifts
+!
+! Exit:
+!
+! r0: Result
+!
+! Destroys:
+!
+! (none)
+!
+ .global __ashlsi3
+ .align 2
+__ashlsi3:
+ mov #31,r0
+ and r0,r5
+ mova __ashlsi3_table,r0
+ mov.b @(r0,r5),r5
+#ifdef __sh1__
+ add r5,r0
+ jmp @r0
+#else
+ braf r5
+#endif
+ mov r4,r0
+
+ .align 2
+__ashlsi3_table:
+ .byte __ashlsi3_0-__ashlsi3_table
+ .byte __ashlsi3_1-__ashlsi3_table
+ .byte __ashlsi3_2-__ashlsi3_table
+ .byte __ashlsi3_3-__ashlsi3_table
+ .byte __ashlsi3_4-__ashlsi3_table
+ .byte __ashlsi3_5-__ashlsi3_table
+ .byte __ashlsi3_6-__ashlsi3_table
+ .byte __ashlsi3_7-__ashlsi3_table
+ .byte __ashlsi3_8-__ashlsi3_table
+ .byte __ashlsi3_9-__ashlsi3_table
+ .byte __ashlsi3_10-__ashlsi3_table
+ .byte __ashlsi3_11-__ashlsi3_table
+ .byte __ashlsi3_12-__ashlsi3_table
+ .byte __ashlsi3_13-__ashlsi3_table
+ .byte __ashlsi3_14-__ashlsi3_table
+ .byte __ashlsi3_15-__ashlsi3_table
+ .byte __ashlsi3_16-__ashlsi3_table
+ .byte __ashlsi3_17-__ashlsi3_table
+ .byte __ashlsi3_18-__ashlsi3_table
+ .byte __ashlsi3_19-__ashlsi3_table
+ .byte __ashlsi3_20-__ashlsi3_table
+ .byte __ashlsi3_21-__ashlsi3_table
+ .byte __ashlsi3_22-__ashlsi3_table
+ .byte __ashlsi3_23-__ashlsi3_table
+ .byte __ashlsi3_24-__ashlsi3_table
+ .byte __ashlsi3_25-__ashlsi3_table
+ .byte __ashlsi3_26-__ashlsi3_table
+ .byte __ashlsi3_27-__ashlsi3_table
+ .byte __ashlsi3_28-__ashlsi3_table
+ .byte __ashlsi3_29-__ashlsi3_table
+ .byte __ashlsi3_30-__ashlsi3_table
+ .byte __ashlsi3_31-__ashlsi3_table
+
+__ashlsi3_6:
+ shll2 r0
+__ashlsi3_4:
+ shll2 r0
+__ashlsi3_2:
+ rts
+ shll2 r0
+
+__ashlsi3_7:
+ shll2 r0
+__ashlsi3_5:
+ shll2 r0
+__ashlsi3_3:
+ shll2 r0
+__ashlsi3_1:
+ rts
+ shll r0
+
+__ashlsi3_14:
+ shll2 r0
+__ashlsi3_12:
+ shll2 r0
+__ashlsi3_10:
+ shll2 r0
+__ashlsi3_8:
+ rts
+ shll8 r0
+
+__ashlsi3_15:
+ shll2 r0
+__ashlsi3_13:
+ shll2 r0
+__ashlsi3_11:
+ shll2 r0
+__ashlsi3_9:
+ shll8 r0
+ rts
+ shll r0
+
+__ashlsi3_22:
+ shll2 r0
+__ashlsi3_20:
+ shll2 r0
+__ashlsi3_18:
+ shll2 r0
+__ashlsi3_16:
+ rts
+ shll16 r0
+
+__ashlsi3_23:
+ shll2 r0
+__ashlsi3_21:
+ shll2 r0
+__ashlsi3_19:
+ shll2 r0
+__ashlsi3_17:
+ shll16 r0
+ rts
+ shll r0
+
+__ashlsi3_30:
+ shll2 r0
+__ashlsi3_28:
+ shll2 r0
+__ashlsi3_26:
+ shll2 r0
+__ashlsi3_24:
+ shll16 r0
+ rts
+ shll8 r0
+
+__ashlsi3_31:
+ shll2 r0
+__ashlsi3_29:
+ shll2 r0
+__ashlsi3_27:
+ shll2 r0
+__ashlsi3_25:
+ shll16 r0
+ shll8 r0
+ rts
+ shll r0
+
+__ashlsi3_0:
+ rts
+ nop
--- /dev/null
+#include "libgcc.h"
+
+long long __ashrdi3(long long u, word_type b)
+{
+ DWunion uu, w;
+ word_type bm;
+
+ if (b == 0)
+ return u;
+
+ uu.ll = u;
+ bm = 32 - b;
+
+ if (bm <= 0) {
+ /* w.s.high = 1..1 or 0..0 */
+ w.s.high =
+ uu.s.high >> 31;
+ w.s.low = uu.s.high >> -bm;
+ } else {
+ const unsigned int carries = (unsigned int) uu.s.high << bm;
+
+ w.s.high = uu.s.high >> b;
+ w.s.low = ((unsigned int) uu.s.low >> b) | carries;
+ }
+
+ return w.ll;
+}
+++ /dev/null
-/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006
- Free Software Foundation, Inc.
-
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-!! libgcc routines for the Renesas / SuperH SH CPUs.
-!! Contributed by Steve Chamberlain.
-!! sac@cygnus.com
-
-!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
-!! recoded in assembly by Toshiyasu Morita
-!! tm@netcom.com
-
-/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
- ELF local label prefixes by J"orn Rennecke
- amylaar@cygnus.com */
-
-!
-! __lshrsi3)
-!
-! Entry:
-!
-! r4: Value to shift
-! r5: Shifts
-!
-! Exit:
-!
-! r0: Result
-!
-! Destroys:
-!
-! (none)
-!
- .global __lshrsi3
- .align 2
-__lshrsi3:
- mov #31,r0
- and r0,r5
- mova __lshrsi3_table,r0
- mov.b @(r0,r5),r5
-#ifdef __sh1__
- add r5,r0
- jmp @r0
-#else
- braf r5
-#endif
- mov r4,r0
-
- .align 2
-__lshrsi3_table:
- .byte __lshrsi3_0-__lshrsi3_table
- .byte __lshrsi3_1-__lshrsi3_table
- .byte __lshrsi3_2-__lshrsi3_table
- .byte __lshrsi3_3-__lshrsi3_table
- .byte __lshrsi3_4-__lshrsi3_table
- .byte __lshrsi3_5-__lshrsi3_table
- .byte __lshrsi3_6-__lshrsi3_table
- .byte __lshrsi3_7-__lshrsi3_table
- .byte __lshrsi3_8-__lshrsi3_table
- .byte __lshrsi3_9-__lshrsi3_table
- .byte __lshrsi3_10-__lshrsi3_table
- .byte __lshrsi3_11-__lshrsi3_table
- .byte __lshrsi3_12-__lshrsi3_table
- .byte __lshrsi3_13-__lshrsi3_table
- .byte __lshrsi3_14-__lshrsi3_table
- .byte __lshrsi3_15-__lshrsi3_table
- .byte __lshrsi3_16-__lshrsi3_table
- .byte __lshrsi3_17-__lshrsi3_table
- .byte __lshrsi3_18-__lshrsi3_table
- .byte __lshrsi3_19-__lshrsi3_table
- .byte __lshrsi3_20-__lshrsi3_table
- .byte __lshrsi3_21-__lshrsi3_table
- .byte __lshrsi3_22-__lshrsi3_table
- .byte __lshrsi3_23-__lshrsi3_table
- .byte __lshrsi3_24-__lshrsi3_table
- .byte __lshrsi3_25-__lshrsi3_table
- .byte __lshrsi3_26-__lshrsi3_table
- .byte __lshrsi3_27-__lshrsi3_table
- .byte __lshrsi3_28-__lshrsi3_table
- .byte __lshrsi3_29-__lshrsi3_table
- .byte __lshrsi3_30-__lshrsi3_table
- .byte __lshrsi3_31-__lshrsi3_table
-
-__lshrsi3_6:
- shlr2 r0
-__lshrsi3_4:
- shlr2 r0
-__lshrsi3_2:
- rts
- shlr2 r0
-
-__lshrsi3_7:
- shlr2 r0
-__lshrsi3_5:
- shlr2 r0
-__lshrsi3_3:
- shlr2 r0
-__lshrsi3_1:
- rts
- shlr r0
-
-__lshrsi3_14:
- shlr2 r0
-__lshrsi3_12:
- shlr2 r0
-__lshrsi3_10:
- shlr2 r0
-__lshrsi3_8:
- rts
- shlr8 r0
-
-__lshrsi3_15:
- shlr2 r0
-__lshrsi3_13:
- shlr2 r0
-__lshrsi3_11:
- shlr2 r0
-__lshrsi3_9:
- shlr8 r0
- rts
- shlr r0
-
-__lshrsi3_22:
- shlr2 r0
-__lshrsi3_20:
- shlr2 r0
-__lshrsi3_18:
- shlr2 r0
-__lshrsi3_16:
- rts
- shlr16 r0
-
-__lshrsi3_23:
- shlr2 r0
-__lshrsi3_21:
- shlr2 r0
-__lshrsi3_19:
- shlr2 r0
-__lshrsi3_17:
- shlr16 r0
- rts
- shlr r0
-
-__lshrsi3_30:
- shlr2 r0
-__lshrsi3_28:
- shlr2 r0
-__lshrsi3_26:
- shlr2 r0
-__lshrsi3_24:
- shlr16 r0
- rts
- shlr8 r0
-
-__lshrsi3_31:
- shlr2 r0
-__lshrsi3_29:
- shlr2 r0
-__lshrsi3_27:
- shlr2 r0
-__lshrsi3_25:
- shlr16 r0
- shlr8 r0
- rts
- shlr r0
-
-__lshrsi3_0:
- rts
- nop
--- /dev/null
+/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004, 2005, 2006
+ Free Software Foundation, Inc.
+
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+!! libgcc routines for the Renesas / SuperH SH CPUs.
+!! Contributed by Steve Chamberlain.
+!! sac@cygnus.com
+
+!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
+!! recoded in assembly by Toshiyasu Morita
+!! tm@netcom.com
+
+/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
+ ELF local label prefixes by J"orn Rennecke
+ amylaar@cygnus.com */
+
+!
+! __lshrsi3)
+!
+! Entry:
+!
+! r4: Value to shift
+! r5: Shifts
+!
+! Exit:
+!
+! r0: Result
+!
+! Destroys:
+!
+! (none)
+!
+ .global __lshrsi3
+ .align 2
+__lshrsi3:
+ mov #31,r0
+ and r0,r5
+ mova __lshrsi3_table,r0
+ mov.b @(r0,r5),r5
+#ifdef __sh1__
+ add r5,r0
+ jmp @r0
+#else
+ braf r5
+#endif
+ mov r4,r0
+
+ .align 2
+__lshrsi3_table:
+ .byte __lshrsi3_0-__lshrsi3_table
+ .byte __lshrsi3_1-__lshrsi3_table
+ .byte __lshrsi3_2-__lshrsi3_table
+ .byte __lshrsi3_3-__lshrsi3_table
+ .byte __lshrsi3_4-__lshrsi3_table
+ .byte __lshrsi3_5-__lshrsi3_table
+ .byte __lshrsi3_6-__lshrsi3_table
+ .byte __lshrsi3_7-__lshrsi3_table
+ .byte __lshrsi3_8-__lshrsi3_table
+ .byte __lshrsi3_9-__lshrsi3_table
+ .byte __lshrsi3_10-__lshrsi3_table
+ .byte __lshrsi3_11-__lshrsi3_table
+ .byte __lshrsi3_12-__lshrsi3_table
+ .byte __lshrsi3_13-__lshrsi3_table
+ .byte __lshrsi3_14-__lshrsi3_table
+ .byte __lshrsi3_15-__lshrsi3_table
+ .byte __lshrsi3_16-__lshrsi3_table
+ .byte __lshrsi3_17-__lshrsi3_table
+ .byte __lshrsi3_18-__lshrsi3_table
+ .byte __lshrsi3_19-__lshrsi3_table
+ .byte __lshrsi3_20-__lshrsi3_table
+ .byte __lshrsi3_21-__lshrsi3_table
+ .byte __lshrsi3_22-__lshrsi3_table
+ .byte __lshrsi3_23-__lshrsi3_table
+ .byte __lshrsi3_24-__lshrsi3_table
+ .byte __lshrsi3_25-__lshrsi3_table
+ .byte __lshrsi3_26-__lshrsi3_table
+ .byte __lshrsi3_27-__lshrsi3_table
+ .byte __lshrsi3_28-__lshrsi3_table
+ .byte __lshrsi3_29-__lshrsi3_table
+ .byte __lshrsi3_30-__lshrsi3_table
+ .byte __lshrsi3_31-__lshrsi3_table
+
+__lshrsi3_6:
+ shlr2 r0
+__lshrsi3_4:
+ shlr2 r0
+__lshrsi3_2:
+ rts
+ shlr2 r0
+
+__lshrsi3_7:
+ shlr2 r0
+__lshrsi3_5:
+ shlr2 r0
+__lshrsi3_3:
+ shlr2 r0
+__lshrsi3_1:
+ rts
+ shlr r0
+
+__lshrsi3_14:
+ shlr2 r0
+__lshrsi3_12:
+ shlr2 r0
+__lshrsi3_10:
+ shlr2 r0
+__lshrsi3_8:
+ rts
+ shlr8 r0
+
+__lshrsi3_15:
+ shlr2 r0
+__lshrsi3_13:
+ shlr2 r0
+__lshrsi3_11:
+ shlr2 r0
+__lshrsi3_9:
+ shlr8 r0
+ rts
+ shlr r0
+
+__lshrsi3_22:
+ shlr2 r0
+__lshrsi3_20:
+ shlr2 r0
+__lshrsi3_18:
+ shlr2 r0
+__lshrsi3_16:
+ rts
+ shlr16 r0
+
+__lshrsi3_23:
+ shlr2 r0
+__lshrsi3_21:
+ shlr2 r0
+__lshrsi3_19:
+ shlr2 r0
+__lshrsi3_17:
+ shlr16 r0
+ rts
+ shlr r0
+
+__lshrsi3_30:
+ shlr2 r0
+__lshrsi3_28:
+ shlr2 r0
+__lshrsi3_26:
+ shlr2 r0
+__lshrsi3_24:
+ shlr16 r0
+ rts
+ shlr8 r0
+
+__lshrsi3_31:
+ shlr2 r0
+__lshrsi3_29:
+ shlr2 r0
+__lshrsi3_27:
+ shlr2 r0
+__lshrsi3_25:
+ shlr16 r0
+ shlr8 r0
+ rts
+ shlr r0
+
+__lshrsi3_0:
+ rts
+ nop
--- /dev/null
+/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004, 2005, 2006
+ Free Software Foundation, Inc.
+
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+!! libgcc routines for the Renesas / SuperH SH CPUs.
+!! Contributed by Steve Chamberlain.
+!! sac@cygnus.com
+
+!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
+!! recoded in assembly by Toshiyasu Morita
+!! tm@netcom.com
+
+/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
+ ELF local label prefixes by J"orn Rennecke
+ amylaar@cygnus.com */
+
+ /* r0: rn r1: qn */ /* r0: n1 r4: n0 r5: d r6: d1 */ /* r2: __m */
+ /* n1 < d, but n1 might be larger than d1. */
+ .global __udiv_qrnnd_16
+ .balign 8
+__udiv_qrnnd_16:
+ div0u
+ cmp/hi r6,r0
+ bt .Lots
+ .rept 16
+ div1 r6,r0
+ .endr
+ extu.w r0,r1
+ bt 0f
+ add r6,r0
+0: rotcl r1
+ mulu.w r1,r5
+ xtrct r4,r0
+ swap.w r0,r0
+ sts macl,r2
+ cmp/hs r2,r0
+ sub r2,r0
+ bt 0f
+ addc r5,r0
+ add #-1,r1
+ bt 0f
+1: add #-1,r1
+ rts
+ add r5,r0
+ .balign 8
+.Lots:
+ sub r5,r0
+ swap.w r4,r1
+ xtrct r0,r1
+ clrt
+ mov r1,r0
+ addc r5,r0
+ mov #-1,r1
+ bf/s 1b
+ shlr16 r1
+0: rts
+ nop
--- /dev/null
+/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004, 2005
+ Free Software Foundation, Inc.
+
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+!! libgcc routines for the Renesas / SuperH SH CPUs.
+!! Contributed by Steve Chamberlain.
+!! sac@cygnus.com
+
+ .balign 4
+ .global __udivsi3
+ .type __udivsi3, @function
+div8:
+ div1 r5,r4
+div7:
+ div1 r5,r4; div1 r5,r4; div1 r5,r4
+ div1 r5,r4; div1 r5,r4; div1 r5,r4; rts; div1 r5,r4
+
+divx4:
+ div1 r5,r4; rotcl r0
+ div1 r5,r4; rotcl r0
+ div1 r5,r4; rotcl r0
+ rts; div1 r5,r4
+
+__udivsi3:
+ sts.l pr,@-r15
+ extu.w r5,r0
+ cmp/eq r5,r0
+ bf/s large_divisor
+ div0u
+ swap.w r4,r0
+ shlr16 r4
+ bsr div8
+ shll16 r5
+ bsr div7
+ div1 r5,r4
+ xtrct r4,r0
+ xtrct r0,r4
+ bsr div8
+ swap.w r4,r4
+ bsr div7
+ div1 r5,r4
+ lds.l @r15+,pr
+ xtrct r4,r0
+ swap.w r0,r0
+ rotcl r0
+ rts
+ shlr16 r5
+
+large_divisor:
+ mov #0,r0
+ xtrct r4,r0
+ xtrct r0,r4
+ bsr divx4
+ rotcl r0
+ bsr divx4
+ rotcl r0
+ bsr divx4
+ rotcl r0
+ bsr divx4
+ rotcl r0
+ lds.l @r15+,pr
+ rts
+ rotcl r0
--- /dev/null
+/* Copyright (C) 2006 Free Software Foundation, Inc.
+
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/* Moderately Space-optimized libgcc routines for the Renesas SH /
+ STMicroelectronics ST40 CPUs.
+ Contributed by J"orn Rennecke joern.rennecke@st.com. */
+
+/* Size: 186 bytes jointly for udivsi3_i4i and sdivsi3_i4i
+ sh4-200 run times:
+ udiv small divisor: 55 cycles
+ udiv large divisor: 52 cycles
+ sdiv small divisor, positive result: 59 cycles
+ sdiv large divisor, positive result: 56 cycles
+ sdiv small divisor, negative result: 65 cycles (*)
+ sdiv large divisor, negative result: 62 cycles (*)
+ (*): r2 is restored in the rts delay slot and has a lingering latency
+ of two more cycles. */
+ .balign 4
+ .global __udivsi3_i4i
+ .global __udivsi3_i4
+ .set __udivsi3_i4, __udivsi3_i4i
+ .type __udivsi3_i4i, @function
+ .type __sdivsi3_i4i, @function
+__udivsi3_i4i:
+ sts pr,r1
+ mov.l r4,@-r15
+ extu.w r5,r0
+ cmp/eq r5,r0
+ swap.w r4,r0
+ shlr16 r4
+ bf/s large_divisor
+ div0u
+ mov.l r5,@-r15
+ shll16 r5
+sdiv_small_divisor:
+ div1 r5,r4
+ bsr div6
+ div1 r5,r4
+ div1 r5,r4
+ bsr div6
+ div1 r5,r4
+ xtrct r4,r0
+ xtrct r0,r4
+ bsr div7
+ swap.w r4,r4
+ div1 r5,r4
+ bsr div7
+ div1 r5,r4
+ xtrct r4,r0
+ mov.l @r15+,r5
+ swap.w r0,r0
+ mov.l @r15+,r4
+ jmp @r1
+ rotcl r0
+div7:
+ div1 r5,r4
+div6:
+ div1 r5,r4; div1 r5,r4; div1 r5,r4
+ div1 r5,r4; div1 r5,r4; rts; div1 r5,r4
+
+divx3:
+ rotcl r0
+ div1 r5,r4
+ rotcl r0
+ div1 r5,r4
+ rotcl r0
+ rts
+ div1 r5,r4
+
+large_divisor:
+ mov.l r5,@-r15
+sdiv_large_divisor:
+ xor r4,r0
+ .rept 4
+ rotcl r0
+ bsr divx3
+ div1 r5,r4
+ .endr
+ mov.l @r15+,r5
+ mov.l @r15+,r4
+ jmp @r1
+ rotcl r0
+
+ .global __sdivsi3_i4i
+ .global __sdivsi3_i4
+ .global __sdivsi3
+ .set __sdivsi3_i4, __sdivsi3_i4i
+ .set __sdivsi3, __sdivsi3_i4i
+__sdivsi3_i4i:
+ mov.l r4,@-r15
+ cmp/pz r5
+ mov.l r5,@-r15
+ bt/s pos_divisor
+ cmp/pz r4
+ neg r5,r5
+ extu.w r5,r0
+ bt/s neg_result
+ cmp/eq r5,r0
+ neg r4,r4
+pos_result:
+ swap.w r4,r0
+ bra sdiv_check_divisor
+ sts pr,r1
+pos_divisor:
+ extu.w r5,r0
+ bt/s pos_result
+ cmp/eq r5,r0
+ neg r4,r4
+neg_result:
+ mova negate_result,r0
+ ;
+ mov r0,r1
+ swap.w r4,r0
+ lds r2,macl
+ sts pr,r2
+sdiv_check_divisor:
+ shlr16 r4
+ bf/s sdiv_large_divisor
+ div0u
+ bra sdiv_small_divisor
+ shll16 r5
+ .balign 4
+negate_result:
+ neg r0,r0
+ jmp @r2
+ sts macl,r2
--- /dev/null
+/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004, 2005, 2006
+ Free Software Foundation, Inc.
+
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+!! libgcc routines for the Renesas / SuperH SH CPUs.
+!! Contributed by Steve Chamberlain.
+!! sac@cygnus.com
+
+!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
+!! recoded in assembly by Toshiyasu Morita
+!! tm@netcom.com
+
+/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
+ ELF local label prefixes by J"orn Rennecke
+ amylaar@cygnus.com */
+
+/* This code used shld, thus is not suitable for SH1 / SH2. */
+
+/* Signed / unsigned division without use of FPU, optimized for SH4.
+ Uses a lookup table for divisors in the range -128 .. +128, and
+ div1 with case distinction for larger divisors in three more ranges.
+ The code is lumped together with the table to allow the use of mova. */
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+#define L_LSB 0
+#define L_LSWMSB 1
+#define L_MSWLSB 2
+#else
+#define L_LSB 3
+#define L_LSWMSB 2
+#define L_MSWLSB 1
+#endif
+
+ .balign 4
+ .global __udivsi3_i4i
+ .global __udivsi3_i4
+ .set __udivsi3_i4, __udivsi3_i4i
+ .type __udivsi3_i4i, @function
+__udivsi3_i4i:
+ mov.w c128_w, r1
+ div0u
+ mov r4,r0
+ shlr8 r0
+ cmp/hi r1,r5
+ extu.w r5,r1
+ bf udiv_le128
+ cmp/eq r5,r1
+ bf udiv_ge64k
+ shlr r0
+ mov r5,r1
+ shll16 r5
+ mov.l r4,@-r15
+ div1 r5,r0
+ mov.l r1,@-r15
+ div1 r5,r0
+ div1 r5,r0
+ bra udiv_25
+ div1 r5,r0
+
+div_le128:
+ mova div_table_ix,r0
+ bra div_le128_2
+ mov.b @(r0,r5),r1
+udiv_le128:
+ mov.l r4,@-r15
+ mova div_table_ix,r0
+ mov.b @(r0,r5),r1
+ mov.l r5,@-r15
+div_le128_2:
+ mova div_table_inv,r0
+ mov.l @(r0,r1),r1
+ mov r5,r0
+ tst #0xfe,r0
+ mova div_table_clz,r0
+ dmulu.l r1,r4
+ mov.b @(r0,r5),r1
+ bt/s div_by_1
+ mov r4,r0
+ mov.l @r15+,r5
+ sts mach,r0
+ /* clrt */
+ addc r4,r0
+ mov.l @r15+,r4
+ rotcr r0
+ rts
+ shld r1,r0
+
+div_by_1_neg:
+ neg r4,r0
+div_by_1:
+ mov.l @r15+,r5
+ rts
+ mov.l @r15+,r4
+
+div_ge64k:
+ bt/s div_r8
+ div0u
+ shll8 r5
+ bra div_ge64k_2
+ div1 r5,r0
+udiv_ge64k:
+ cmp/hi r0,r5
+ mov r5,r1
+ bt udiv_r8
+ shll8 r5
+ mov.l r4,@-r15
+ div1 r5,r0
+ mov.l r1,@-r15
+div_ge64k_2:
+ div1 r5,r0
+ mov.l zero_l,r1
+ .rept 4
+ div1 r5,r0
+ .endr
+ mov.l r1,@-r15
+ div1 r5,r0
+ mov.w m256_w,r1
+ div1 r5,r0
+ mov.b r0,@(L_LSWMSB,r15)
+ xor r4,r0
+ and r1,r0
+ bra div_ge64k_end
+ xor r4,r0
+div_r8:
+ shll16 r4
+ bra div_r8_2
+ shll8 r4
+udiv_r8:
+ mov.l r4,@-r15
+ shll16 r4
+ clrt
+ shll8 r4
+ mov.l r5,@-r15
+div_r8_2:
+ rotcl r4
+ mov r0,r1
+ div1 r5,r1
+ mov r4,r0
+ rotcl r0
+ mov r5,r4
+ div1 r5,r1
+ .rept 5
+ rotcl r0; div1 r5,r1
+ .endr
+ rotcl r0
+ mov.l @r15+,r5
+ div1 r4,r1
+ mov.l @r15+,r4
+ rts
+ rotcl r0
+
+ .global __sdivsi3_i4i
+ .global __sdivsi3_i4
+ .global __sdivsi3
+ .set __sdivsi3_i4, __sdivsi3_i4i
+ .set __sdivsi3, __sdivsi3_i4i
+ .type __sdivsi3_i4i, @function
+ /* This is link-compatible with a __sdivsi3 call,
+ but we effectively clobber only r1. */
+__sdivsi3_i4i:
+ mov.l r4,@-r15
+ cmp/pz r5
+ mov.w c128_w, r1
+ bt/s pos_divisor
+ cmp/pz r4
+ mov.l r5,@-r15
+ neg r5,r5
+ bt/s neg_result
+ cmp/hi r1,r5
+ neg r4,r4
+pos_result:
+ extu.w r5,r0
+ bf div_le128
+ cmp/eq r5,r0
+ mov r4,r0
+ shlr8 r0
+ bf/s div_ge64k
+ cmp/hi r0,r5
+ div0u
+ shll16 r5
+ div1 r5,r0
+ div1 r5,r0
+ div1 r5,r0
+udiv_25:
+ mov.l zero_l,r1
+ div1 r5,r0
+ div1 r5,r0
+ mov.l r1,@-r15
+ .rept 3
+ div1 r5,r0
+ .endr
+ mov.b r0,@(L_MSWLSB,r15)
+ xtrct r4,r0
+ swap.w r0,r0
+ .rept 8
+ div1 r5,r0
+ .endr
+ mov.b r0,@(L_LSWMSB,r15)
+div_ge64k_end:
+ .rept 8
+ div1 r5,r0
+ .endr
+ mov.l @r15+,r4 ! zero-extension and swap using LS unit.
+ extu.b r0,r0
+ mov.l @r15+,r5
+ or r4,r0
+ mov.l @r15+,r4
+ rts
+ rotcl r0
+
+div_le128_neg:
+ tst #0xfe,r0
+ mova div_table_ix,r0
+ mov.b @(r0,r5),r1
+ mova div_table_inv,r0
+ bt/s div_by_1_neg
+ mov.l @(r0,r1),r1
+ mova div_table_clz,r0
+ dmulu.l r1,r4
+ mov.b @(r0,r5),r1
+ mov.l @r15+,r5
+ sts mach,r0
+ /* clrt */
+ addc r4,r0
+ mov.l @r15+,r4
+ rotcr r0
+ shld r1,r0
+ rts
+ neg r0,r0
+
+pos_divisor:
+ mov.l r5,@-r15
+ bt/s pos_result
+ cmp/hi r1,r5
+ neg r4,r4
+neg_result:
+ extu.w r5,r0
+ bf div_le128_neg
+ cmp/eq r5,r0
+ mov r4,r0
+ shlr8 r0
+ bf/s div_ge64k_neg
+ cmp/hi r0,r5
+ div0u
+ mov.l zero_l,r1
+ shll16 r5
+ div1 r5,r0
+ mov.l r1,@-r15
+ .rept 7
+ div1 r5,r0
+ .endr
+ mov.b r0,@(L_MSWLSB,r15)
+ xtrct r4,r0
+ swap.w r0,r0
+ .rept 8
+ div1 r5,r0
+ .endr
+ mov.b r0,@(L_LSWMSB,r15)
+div_ge64k_neg_end:
+ .rept 8
+ div1 r5,r0
+ .endr
+ mov.l @r15+,r4 ! zero-extension and swap using LS unit.
+ extu.b r0,r1
+ mov.l @r15+,r5
+ or r4,r1
+div_r8_neg_end:
+ mov.l @r15+,r4
+ rotcl r1
+ rts
+ neg r1,r0
+
+div_ge64k_neg:
+ bt/s div_r8_neg
+ div0u
+ shll8 r5
+ mov.l zero_l,r1
+ .rept 6
+ div1 r5,r0
+ .endr
+ mov.l r1,@-r15
+ div1 r5,r0
+ mov.w m256_w,r1
+ div1 r5,r0
+ mov.b r0,@(L_LSWMSB,r15)
+ xor r4,r0
+ and r1,r0
+ bra div_ge64k_neg_end
+ xor r4,r0
+
+c128_w:
+ .word 128
+
+div_r8_neg:
+ clrt
+ shll16 r4
+ mov r4,r1
+ shll8 r1
+ mov r5,r4
+ .rept 7
+ rotcl r1; div1 r5,r0
+ .endr
+ mov.l @r15+,r5
+ rotcl r1
+ bra div_r8_neg_end
+ div1 r4,r0
+
+m256_w:
+ .word 0xff00
+/* This table has been generated by divtab-sh4.c. */
+ .balign 4
+div_table_clz:
+ .byte 0
+ .byte 1
+ .byte 0
+ .byte -1
+ .byte -1
+ .byte -2
+ .byte -2
+ .byte -2
+ .byte -2
+ .byte -3
+ .byte -3
+ .byte -3
+ .byte -3
+ .byte -3
+ .byte -3
+ .byte -3
+ .byte -3
+ .byte -4
+ .byte -4
+ .byte -4
+ .byte -4
+ .byte -4
+ .byte -4
+ .byte -4
+ .byte -4
+ .byte -4
+ .byte -4
+ .byte -4
+ .byte -4
+ .byte -4
+ .byte -4
+ .byte -4
+ .byte -4
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -5
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+ .byte -6
+/* Lookup table translating positive divisor to index into table of
+ normalized inverse. N.B. the '0' entry is also the last entry of the
+ previous table, and causes an unaligned access for division by zero. */
+div_table_ix:
+ .byte -6
+ .byte -128
+ .byte -128
+ .byte 0
+ .byte -128
+ .byte -64
+ .byte 0
+ .byte 64
+ .byte -128
+ .byte -96
+ .byte -64
+ .byte -32
+ .byte 0
+ .byte 32
+ .byte 64
+ .byte 96
+ .byte -128
+ .byte -112
+ .byte -96
+ .byte -80
+ .byte -64
+ .byte -48
+ .byte -32
+ .byte -16
+ .byte 0
+ .byte 16
+ .byte 32
+ .byte 48
+ .byte 64
+ .byte 80
+ .byte 96
+ .byte 112
+ .byte -128
+ .byte -120
+ .byte -112
+ .byte -104
+ .byte -96
+ .byte -88
+ .byte -80
+ .byte -72
+ .byte -64
+ .byte -56
+ .byte -48
+ .byte -40
+ .byte -32
+ .byte -24
+ .byte -16
+ .byte -8
+ .byte 0
+ .byte 8
+ .byte 16
+ .byte 24
+ .byte 32
+ .byte 40
+ .byte 48
+ .byte 56
+ .byte 64
+ .byte 72
+ .byte 80
+ .byte 88
+ .byte 96
+ .byte 104
+ .byte 112
+ .byte 120
+ .byte -128
+ .byte -124
+ .byte -120
+ .byte -116
+ .byte -112
+ .byte -108
+ .byte -104
+ .byte -100
+ .byte -96
+ .byte -92
+ .byte -88
+ .byte -84
+ .byte -80
+ .byte -76
+ .byte -72
+ .byte -68
+ .byte -64
+ .byte -60
+ .byte -56
+ .byte -52
+ .byte -48
+ .byte -44
+ .byte -40
+ .byte -36
+ .byte -32
+ .byte -28
+ .byte -24
+ .byte -20
+ .byte -16
+ .byte -12
+ .byte -8
+ .byte -4
+ .byte 0
+ .byte 4
+ .byte 8
+ .byte 12
+ .byte 16
+ .byte 20
+ .byte 24
+ .byte 28
+ .byte 32
+ .byte 36
+ .byte 40
+ .byte 44
+ .byte 48
+ .byte 52
+ .byte 56
+ .byte 60
+ .byte 64
+ .byte 68
+ .byte 72
+ .byte 76
+ .byte 80
+ .byte 84
+ .byte 88
+ .byte 92
+ .byte 96
+ .byte 100
+ .byte 104
+ .byte 108
+ .byte 112
+ .byte 116
+ .byte 120
+ .byte 124
+ .byte -128
+/* 1/64 .. 1/127, normalized. There is an implicit leading 1 in bit 32. */
+ .balign 4
+zero_l:
+ .long 0x0
+ .long 0xF81F81F9
+ .long 0xF07C1F08
+ .long 0xE9131AC0
+ .long 0xE1E1E1E2
+ .long 0xDAE6076C
+ .long 0xD41D41D5
+ .long 0xCD856891
+ .long 0xC71C71C8
+ .long 0xC0E07039
+ .long 0xBACF914D
+ .long 0xB4E81B4F
+ .long 0xAF286BCB
+ .long 0xA98EF607
+ .long 0xA41A41A5
+ .long 0x9EC8E952
+ .long 0x9999999A
+ .long 0x948B0FCE
+ .long 0x8F9C18FA
+ .long 0x8ACB90F7
+ .long 0x86186187
+ .long 0x81818182
+ .long 0x7D05F418
+ .long 0x78A4C818
+ .long 0x745D1746
+ .long 0x702E05C1
+ .long 0x6C16C16D
+ .long 0x68168169
+ .long 0x642C8591
+ .long 0x60581606
+ .long 0x5C9882BA
+ .long 0x58ED2309
+div_table_inv:
+ .long 0x55555556
+ .long 0x51D07EAF
+ .long 0x4E5E0A73
+ .long 0x4AFD6A06
+ .long 0x47AE147B
+ .long 0x446F8657
+ .long 0x41414142
+ .long 0x3E22CBCF
+ .long 0x3B13B13C
+ .long 0x38138139
+ .long 0x3521CFB3
+ .long 0x323E34A3
+ .long 0x2F684BDB
+ .long 0x2C9FB4D9
+ .long 0x29E4129F
+ .long 0x27350B89
+ .long 0x24924925
+ .long 0x21FB7813
+ .long 0x1F7047DD
+ .long 0x1CF06ADB
+ .long 0x1A7B9612
+ .long 0x18118119
+ .long 0x15B1E5F8
+ .long 0x135C8114
+ .long 0x11111112
+ .long 0xECF56BF
+ .long 0xC9714FC
+ .long 0xA6810A7
+ .long 0x8421085
+ .long 0x624DD30
+ .long 0x4104105
+ .long 0x2040811
+ /* maximum error: 0.987342 scaled: 0.921875*/
if (port->clk_mode == EXT_CLK) {
unsigned short dl = DL_VALUE(baudrate, clk);
sci_out(port, DL, dl);
- /* Need wait: Clock * 1/dl \e$B!_\e(B 1/16 */
+ /* Need wait: Clock * 1/dl * 1/16 */
udelay((1000000 * dl * 16 / clk) * 1000 + 1);
} else {
sci_out(port, SCBRR, SCBRR_VALUE(baudrate, clk));
#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \
defined(CONFIG_R8A7793) || defined(CONFIG_R8A7794)
# define SCIF_ORER 0x0001
-# define SCSCR_INIT(port) 0x32 /* TIE=0,RIE=0,TE=1,RE=1,REIE=0, */
+# define SCSCR_INIT(port) (port->clk_mode == EXT_CLK ? 0x32 : 0x30)
+ /* TIE=0,RIE=0,TE=1,RE=1,REIE=0, */
#else
# error CPU subtype not defined
#endif
#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \
defined(CONFIG_R8A7793) || defined(CONFIG_R8A7794)
#define DL_VALUE(bps, clk) (clk / bps / 16) /* External Clock */
-#define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1) /* Internal Clock */
+#define SCBRR_VALUE(bps, clk) (clk / bps / 32 - 1) /* Internal Clock */
#else /* Generic SH */
#define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1)
#endif
projects / oweals / u-boot.git / commitdiff