diff options
Diffstat (limited to 'src/cpu/i386/entry32.inc')
| -rw-r--r-- | src/cpu/i386/entry32.inc | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/src/cpu/i386/entry32.inc b/src/cpu/i386/entry32.inc deleted file mode 100644 index 3d30a3f85f..0000000000 --- a/src/cpu/i386/entry32.inc +++ /dev/null @@ -1,61 +0,0 @@ -/* For starting linuxBIOS in protected mode */ - -#include <arch/rom_segs.h> - -/* .section ".rom.text" */ - .code32 - - .align 4 -.globl gdtptr - -gdt: -gdtptr: - .word gdt_end - gdt -1 /* compute the table limit */ - .long gdt /* we know the offset */ - .word 0 - -/* flat code segment */ - .word 0xffff, 0x0000 - .byte 0x00, 0x9b, 0xcf, 0x00 - -/* flat data segment */ - .word 0xffff, 0x0000 - .byte 0x00, 0x93, 0xcf, 0x00 - -gdt_end: - - -/* - * When we come here we are in protected mode. We expand - * the stack and copies the data segment from ROM to the - * memory. - * - * After that, we call the chipset bootstrap routine that - * does what is left of the chipset initialization. - * - * NOTE aligned to 4 so that we are sure that the prefetch - * cache will be reloaded. - */ - .align 4 -.globl protected_start -protected_start: - - lgdt %cs:gdtptr - ljmp $ROM_CODE_SEG, $__protected_start - -__protected_start: - /* Save the BIST value */ - movl %eax, %ebp - - intel_chip_post_macro(0x10) /* post 10 */ - - movw $ROM_DATA_SEG, %ax - movw %ax, %ds - movw %ax, %es - movw %ax, %ss - movw %ax, %fs - movw %ax, %gs - - /* Restore the BIST value to %eax */ - movl %ebp, %eax - |