diff options
Diffstat (limited to 'sys/arch/i386/stand/boot/srt0.S')
| -rw-r--r-- | sys/arch/i386/stand/boot/srt0.S | 40 |
1 files changed, 2 insertions, 38 deletions
diff --git a/sys/arch/i386/stand/boot/srt0.S b/sys/arch/i386/stand/boot/srt0.S index a947e076954..1ffdc191a87 100644 --- a/sys/arch/i386/stand/boot/srt0.S +++ b/sys/arch/i386/stand/boot/srt0.S @@ -1,4 +1,4 @@ -/* $OpenBSD: srt0.S,v 1.3 1997/04/04 04:47:46 mickey Exp $ */ +/* $OpenBSD: srt0.S,v 1.4 1997/04/05 18:56:19 mickey Exp $ */ /* $NetBSD: srt0.c,v 1.3 1994/10/27 04:21:59 cgd Exp $ */ /*- @@ -49,9 +49,7 @@ .globl _boot .globl __rtt .globl _Gdtr -#ifndef NO_IDTR .globl _Idtr_prot -#endif .globl _codeseg .text @@ -71,10 +69,8 @@ start_boot: movl %ax, %es movl %ax, %fs movl %ax, %gs -#ifndef NO_IDTR - /* load idtr for debugger */ + /* load idtr for interrupts */ lidt _Idtr_prot -#endif #ifdef DEBUG movl $0xb80a4, %ebx @@ -111,35 +107,3 @@ __rtt: movl $0, %esp # segment violation ret - .data - - .align 3 -gdt: -null: /* 0x00 : null */ - .space 8 - /* 0x08 : flat code */ - .word 0xFFFF # lolimit - .word 0 # lobase - .byte 0 # midbase - .byte SDT_MEMERAC | 0 | 0x80 # RWXAC, dpl = 0, present - .byte 0xf | 0 | 0x40 | 0x80 # hilimit, xx, 32bit, 4k granularity - .byte 0 # hibase - /* 0x10 : flat data */ - .word 0xFFFF # lolimit - .word 0 # lobase - .byte 0 # midbase - .byte SDT_MEMRWA | 0 | 0x80 # RWA, dpl = 0, present - .byte 0xf | 0 | 0x40 | 0x80 # hilimit, xx, 32bit, 4k granularity - .byte 0 # hibase - /* 0x18 : 16 bit code */ - .word 0xFFFF # lolimit - .word 0 # lobase - .byte 0 # midbase - .byte SDT_MEMERAC | 0 | 0x80 # RWXAC, dpl = 0, present - .byte 0xf | 0 | 0 | 0 # hilimit, xx, 16bit, byte granularity - .byte 0 # hibase -_Gdtr: .word . - gdt - 1 - .long gdt - .word 0 - -_codeseg: .long 0 |