reactos/hal/halx86/mp/mps.S
2021-06-11 15:33:08 +03:00

109 lines
1.8 KiB
ArmAsm

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: hal/halx86/mp/mps.S
* PURPOSE: Intel MultiProcessor specification support
* PROGRAMMER: Casper S. Hornstrup (chorns@users.sourceforge.net)
* UPDATE HISTORY:
* Created 12/04/2001
*/
/* INCLUDES ******************************************************************/
#include <ndk/asm.h>
/* FUNCTIONS *****************************************************************/
#define BEFORE \
cld; \
pusha; \
pushl %ds; \
pushl %es; \
pushl %fs; \
pushl %gs; \
movl $(KGDT_R0_DATA), %eax; \
movl %eax, %ds; \
movl %eax, %es; \
movl %eax, %gs; \
movl $(KGDT_R0_PCR), %eax; \
movl %eax, %fs;
#define AFTER \
popl %gs; \
popl %fs; \
popl %es; \
popl %ds; \
popa;
.global _MpsIpiInterrupt
_MpsIpiInterrupt:
/* Save registers */
BEFORE
/* Call the C handler */
call _MpsIpiHandler
/* Return to the caller */
AFTER
iret
.globl _MpsErrorInterrupt
_MpsErrorInterrupt:
/* Save registers */
BEFORE
/* Call the C handler */
call _MpsErrorHandler
/* Return to the caller */
AFTER
iret
.globl _MpsSpuriousInterrupt
_MpsSpuriousInterrupt:
/* Save registers */
BEFORE
/* Call the C handler */
call _MpsSpuriousHandler
/* Return to the caller */
AFTER
iret
.global _MpsTimerInterrupt
_MpsTimerInterrupt:
cld
pusha
movl $0xef,%ebx
pushl %ds
pushl %es
pushl %fs
pushl %gs
movl $0xceafbeef,%eax
pushl %eax
movl $(KGDT_R0_DATA),%eax
movl %eax,%ds
movl %eax,%es
movl %eax,%gs
movl $(KGDT_R0_PCR),%eax
movl %eax,%fs
pushl %esp
pushl %ebx
call _MpsTimerHandler
popl %eax
popl %eax
popl %eax
popl %gs
popl %fs
popl %es
popl %ds
popa
iret
/* EOF */