diff options
Diffstat (limited to 'src/arch/i386/interface/syslinux/comboot_call.c')
| -rw-r--r-- | src/arch/i386/interface/syslinux/comboot_call.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/arch/i386/interface/syslinux/comboot_call.c b/src/arch/i386/interface/syslinux/comboot_call.c index f37aa2ae..c641c840 100644 --- a/src/arch/i386/interface/syslinux/comboot_call.c +++ b/src/arch/i386/interface/syslinux/comboot_call.c @@ -616,3 +616,18 @@ void hook_comboot_interrupts ( ) { hook_bios_interrupt ( 0x22, ( unsigned int ) int22_wrapper, &int22_vector ); } + +/** + * Unhook BIOS interrupts related to COMBOOT API (INT 20h, 21h, 22h) + */ +void unhook_comboot_interrupts ( ) { + + unhook_bios_interrupt ( 0x20, ( unsigned int ) int20_wrapper, + &int20_vector ); + + unhook_bios_interrupt ( 0x21, ( unsigned int ) int21_wrapper, + &int21_vector ); + + unhook_bios_interrupt ( 0x22, ( unsigned int ) int22_wrapper, + &int22_vector ); +} |