diff options
Diffstat (limited to 'arch/i386/lib/bios.h')
| -rw-r--r-- | arch/i386/lib/bios.h | 44 |
1 files changed, 21 insertions, 23 deletions
diff --git a/arch/i386/lib/bios.h b/arch/i386/lib/bios.h index 4901f89..3c8d61a 100644 --- a/arch/i386/lib/bios.h +++ b/arch/i386/lib/bios.h @@ -1,6 +1,6 @@ /* * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se + * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> * * See file CREDITS for list of people who contributed to this * project. @@ -57,7 +57,7 @@ #define OFFS_FLAGS 44 /* 16bit */ #define SEGMENT 0x40 -#define STACK 0x800 /* stack at 0x40:0x800 -> 0x800 */ +#define STACK 0x800 /* stack at 0x40:0x800 -> 0x800 */ /* save general registers */ /* save some segments */ @@ -67,28 +67,26 @@ /* setup BIOS stackpointer */ #define MAKE_BIOS_STACK \ - pushal ; \ - pushw %ds ; \ - pushw %gs ; \ - pushw %es ; \ - pushw %ss ; \ - popw %gs ; \ - movw $SEGMENT,%ax ; \ - movw %ax,%ds ; \ - movw %ax,%es ; \ - movw %ax,%ss ; \ - movw %sp,%bp ; \ - movw $STACK,%sp + pushal; \ + pushw %ds; \ + pushw %gs; \ + pushw %es; \ + pushw %ss; \ + popw %gs; \ + movw $SEGMENT, %ax; \ + movw %ax, %ds; \ + movw %ax, %es; \ + movw %ax, %ss; \ + movw %sp, %bp; \ + movw $STACK, %sp #define RESTORE_CALLERS_STACK \ - pushw %gs ; /* restore callers stack segment */ \ - popw %ss ; \ - movw %bp,%sp ; /* restore stackpointer */ \ - \ - popw %es ; /* restore segment selectors */ \ - popw %gs ; \ - popw %ds ; \ - \ - popal /* restore GP registers */ + pushw %gs; /* restore callers stack segment */ \ + popw %ss; \ + movw %bp, %sp; /* restore stackpointer */ \ + popw %es; /* restore segment selectors */ \ + popw %gs; \ + popw %ds; \ + popal /* restore GP registers */ #endif |