diff options
| author | Bruce Evans <bde@FreeBSD.org> | 1996-11-11 14:03:33 +0000 |
|---|---|---|
| committer | Bruce Evans <bde@FreeBSD.org> | 1996-11-11 14:03:33 +0000 |
| commit | 2e2d9bc760f281afa6a64d17a56ee6be1ca80f62 (patch) | |
| tree | 77f6828b97fde7c1817251b9c06749de3d6ac60a /sys | |
| parent | b0e998dc2682feb068b4dbc45b07982d47e90c01 (diff) | |
Notes
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/i386/boot/biosboot/bios.S | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/sys/i386/boot/biosboot/bios.S b/sys/i386/boot/biosboot/bios.S index 3a45e8587e67..a3ff7e2c5e39 100644 --- a/sys/i386/boot/biosboot/bios.S +++ b/sys/i386/boot/biosboot/bios.S @@ -24,7 +24,7 @@ * the rights to redistribute these changes. * * from: Mach, Revision 2.2 92/04/04 11:34:26 rpd - * $Id: bios.S,v 1.4 1994/11/18 05:02:12 phk Exp $ + * $Id: bios.S,v 1.5 1995/09/03 05:36:13 julian Exp $ */ /* @@ -75,6 +75,8 @@ ENTRY(biosread) mov %esp, %ebp push %ebx + push %esi + push %edi push %ecx push %edx push %es @@ -112,6 +114,8 @@ ENTRY(biosread) pop %es pop %edx pop %ecx + pop %edi + pop %esi pop %ebx pop %ebp @@ -132,6 +136,8 @@ ENTRY(putc) push %ebp mov %esp, %ebp push %ebx + push %esi + push %edi push %ecx movb 0x8(%ebp), %cl @@ -150,6 +156,8 @@ ENTRY(putc) call EXT(real_to_prot) pop %ecx + pop %edi + pop %esi pop %ebx pop %ebp ret @@ -167,6 +175,8 @@ ENTRY(getc) push %ebp mov %esp, %ebp push %ebx /* save %ebx */ + push %esi + push %edi call EXT(prot_to_real) @@ -183,6 +193,8 @@ ENTRY(getc) xor %eax, %eax movb %bl, %al + pop %edi + pop %esi pop %ebx pop %ebp ret @@ -203,6 +215,8 @@ ENTRY(ischar) push %ebp mov %esp, %ebp push %ebx + push %esi + push %edi call EXT(prot_to_real) /* enter real mode */ @@ -222,6 +236,8 @@ nochar: xor %eax, %eax movb %bl, %al + pop %edi + pop %esi pop %ebx pop %ebp ret @@ -238,6 +254,8 @@ ENTRY(get_diskinfo) mov %esp, %ebp push %es push %ebx + push %esi + push %edi push %ecx push %edx @@ -290,6 +308,8 @@ ok: pop %edx pop %ecx + pop %edi + pop %esi pop %ebx pop %es pop %ebp @@ -309,6 +329,8 @@ ENTRY(memsize) push %ebp mov %esp, %ebp push %ebx + push %esi + push %edi mov 8(%ebp), %ebx @@ -336,6 +358,8 @@ xdone: call EXT(real_to_prot) mov %ebx, %eax + pop %edi + pop %esi pop %ebx pop %ebp ret |