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| author | rgrimes <rgrimes@FreeBSD.org> | 1993-11-13 04:43:25 +0000 |
|---|---|---|
| committer | rgrimes <rgrimes@FreeBSD.org> | 1993-11-13 04:43:25 +0000 |
| commit | 93f6cc5abd27a944e4444c2c0235b7e3a71f5c43 (patch) | |
| tree | 89bf2004adb8b403fd4f8b2cb41062b4a40a423c /sys/i386/boot | |
| parent | aa3ae6ef2a770093235bb79679c3028e026d5622 (diff) | |
| download | FreeBSD-src-93f6cc5abd27a944e4444c2c0235b7e3a71f5c43.zip FreeBSD-src-93f6cc5abd27a944e4444c2c0235b7e3a71f5c43.tar.gz | |
>From Charles Hannum
Change movl %es: -2(reg) to use a subl $2,reg when fixing up the IDT
entries for bdb. This seems to be the best way to go.
Some day soon #ifdef BDB all of Bruces debugger code.
Diffstat (limited to 'sys/i386/boot')
| -rw-r--r-- | sys/i386/boot/biosboot/boot2.S | 8 | ||||
| -rw-r--r-- | sys/i386/boot/boot2.S | 8 |
2 files changed, 10 insertions, 6 deletions
diff --git a/sys/i386/boot/biosboot/boot2.S b/sys/i386/boot/biosboot/boot2.S index 2569dd2..b3c96da 100644 --- a/sys/i386/boot/biosboot/boot2.S +++ b/sys/i386/boot/biosboot/boot2.S @@ -24,7 +24,7 @@ * the rights to redistribute these changes. * * from: Mach, Revision 2.2 92/04/04 11:35:26 rpd - * $Id$ + * $Id: boot2.S,v 1.2 1993/10/16 19:11:33 rgrimes Exp $ */ #include "asm.h" @@ -128,10 +128,12 @@ ENTRY(boot2) mov %ax, %es /* fix up IDT entries for bdb */ - movl %es: -2(%ebx), %eax /* actually movw to %ax */ + subl $2, %ebx + movl %es: (%ebx), %eax /* actually movw to %ax */ addr32 movl %eax, EXT(Idt)+8*DEBUG_VECTOR /* actually movw %ax */ - movl %es: -2(%ecx), %eax /* actually movw to %ax */ + subl $2, %ecx + movl %es: (%ecx), %eax /* actually movw to %ax */ addr32 movl %eax, EXT(Idt)+8*BREAKPOINT_VECTOR /* actually movw %ax */ diff --git a/sys/i386/boot/boot2.S b/sys/i386/boot/boot2.S index 2569dd2..b3c96da 100644 --- a/sys/i386/boot/boot2.S +++ b/sys/i386/boot/boot2.S @@ -24,7 +24,7 @@ * the rights to redistribute these changes. * * from: Mach, Revision 2.2 92/04/04 11:35:26 rpd - * $Id$ + * $Id: boot2.S,v 1.2 1993/10/16 19:11:33 rgrimes Exp $ */ #include "asm.h" @@ -128,10 +128,12 @@ ENTRY(boot2) mov %ax, %es /* fix up IDT entries for bdb */ - movl %es: -2(%ebx), %eax /* actually movw to %ax */ + subl $2, %ebx + movl %es: (%ebx), %eax /* actually movw to %ax */ addr32 movl %eax, EXT(Idt)+8*DEBUG_VECTOR /* actually movw %ax */ - movl %es: -2(%ecx), %eax /* actually movw to %ax */ + subl $2, %ecx + movl %es: (%ecx), %eax /* actually movw to %ax */ addr32 movl %eax, EXT(Idt)+8*BREAKPOINT_VECTOR /* actually movw %ax */ |
