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