X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=cpu%2Fi386%2Fstart16.S;h=1ebb6bc8b6334f5db3af389b181c50f3d4666920;hb=1f5070c0c18fa5684bfce09c8abdf10c04ed48fa;hp=590a5a6c9d7c2f2616c1d684c8db850feaeb678a;hpb=2262cfeef91458b01a1bfe3812ccbbfdf8b82807;p=oweals%2Fu-boot.git

diff --git a/cpu/i386/start16.S b/cpu/i386/start16.S
index 590a5a6c9d..1ebb6bc8b6 100644
--- a/cpu/i386/start16.S
+++ b/cpu/i386/start16.S
@@ -1,7 +1,7 @@
 /*
- *  U-boot - i386 Startup Code 
+ *  U-boot - i386 Startup Code
  *
- *  Copyright (c) 2002	Omicron Ceti AB, Daniel Engström <denaiel@omicron.se>
+ *  Copyright (c) 2002, 2003 Omicron Ceti AB, Daniel Engström <denaiel@omicron.se>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -30,83 +30,83 @@
 .section .start16, "ax"
 .code16
 .globl start16
-start16: 
+start16:
 	/* First we let the BSP do some early initialization
 	 * this code have to map the flash to its final position
 	 */
 	mov	$board_init16_ret, %bp
 	jmp	board_init16
-board_init16_ret:	
-	
+board_init16_ret:
+
 	/* Turn of cache (this might require a 486-class CPU) */
-        movl    %cr0, %eax
-        orl     $060000000,%eax
-        movl    %eax, %cr0
-        wbinvd  		     
-	
+	movl	%cr0, %eax
+	orl	$0x60000000,%eax
+	movl	%eax, %cr0
+	wbinvd
+
 	/* load the descriptor tables */
 o32 cs	lidt	idt_ptr
-o32 cs	lgdt    gdt_ptr		 
+o32 cs	lgdt	gdt_ptr
 
 
 	/* Now, we enter protected mode */
-        movl    %cr0, %eax               
-        orl     $1,%eax                  
-        movl    %eax, %cr0            
-	
+	movl	%cr0, %eax
+	orl	$1,%eax
+	movl	%eax, %cr0
+
 	/* Flush the prefetch queue */
-        jmp     ff        
+	jmp	ff
 ff:
 
 	/* Finally jump to the 32bit initialization code */
-	movw	$code32start, %ax 
-        movw    %ax,%bp
+	movw	$code32start, %ax
+	movw	%ax,%bp
 o32 cs	ljmp	*(%bp)
 
 	/* 48-bit far pointer */
 code32start:
-	.long	_start                          /* offset */
-	.word	0x10                            /* segment */
+	.long	_start		/* offset */
+	.word	0x10		/* segment */
 
 idt_ptr:
-	.word	0				/* limit */
-	.long	0		       		/* base */
-	
+	.word	0		/* limit */
+	.long	0		/* base */
+
 gdt_ptr:
-	.word	0x30			        /* limit (48 bytes = 6 GDT entries) */
-	.long	BOOT_SEG + gdt	        	/* base */
+	.word	0x30		/* limit (48 bytes = 6 GDT entries) */
+	.long	BOOT_SEG + gdt	/* base */
 
-	/* The GDT table ... 
+	/* The GDT table ...
 	 *
-	 *       Selector	Type 
-	 * 	 0x00		NULL
-	 * 	 0x08		Unused
-	 *	 0x10		32bit code 
+	 *	 Selector	Type
+	 *	 0x00		NULL
+	 *	 0x08		Unused
+	 *	 0x10		32bit code
 	 *	 0x18		32bit data/stack
 	 *	 0x20		16bit code
-	 *	 0x28	 	16bit data/stack
+	 *	 0x28		16bit data/stack
 	 */
 
 gdt:
-	.word	0, 0, 0, 0			/* NULL  */
-	.word	0, 0, 0, 0			/* unused */
-
-	.word	0xFFFF				/* 4Gb - (0x100000*0x1000 = 4Gb) */
-	.word	0				/* base address = 0 */
-	.word	0x9B00				/* code read/exec */
-	.word	0x00CF				/* granularity = 4096, 386 (+5th nibble of limit) */
-
-	.word	0xFFFF				/* 4Gb - (0x100000*0x1000 = 4Gb) */
-	.word	0x0				/* base address = 0 */
-	.word	0x9300				/* data read/write */
-	.word	0x00CF				/* granularity = 4096, 386 (+5th nibble of limit) */
-						
-	.word	0xFFFF				/* 64kb */
-	.word	0				/* base address = 0 */
-	.word	0x9b00				/* data read/write */
-	.word	0x0010				/* granularity = 1  (+5th nibble of limit) */
-	
-	.word	0xFFFF				/* 64kb */
-	.word	0				/* base address = 0 */
-	.word	0x9300				/* data read/write */
-	.word	0x0010				/* granularity = 1 (+5th nibble of limit) */
+	.word	0, 0, 0, 0	/* NULL  */
+	.word	0, 0, 0, 0	/* unused */
+
+	.word	0xFFFF		/* 4Gb - (0x100000*0x1000 = 4Gb) */
+	.word	0		/* base address = 0 */
+	.word	0x9B00		/* code read/exec */
+	.word	0x00CF		/* granularity = 4096, 386 (+5th nibble of limit) */
+
+	.word	0xFFFF		/* 4Gb - (0x100000*0x1000 = 4Gb) */
+	.word	0x0		/* base address = 0 */
+	.word	0x9300		/* data read/write */
+	.word	0x00CF		/* granularity = 4096, 386 (+5th nibble of limit) */
+
+	.word	0xFFFF		/* 64kb */
+	.word	0		/* base address = 0 */
+	.word	0x9b00		/* data read/write */
+	.word	0x0010		/* granularity = 1  (+5th nibble of limit) */
+
+	.word	0xFFFF		/* 64kb */
+	.word	0		/* base address = 0 */
+	.word	0x9300		/* data read/write */
+	.word	0x0010		/* granularity = 1 (+5th nibble of limit) */