42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
/*******************************************************************************/
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/* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas */
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/* */
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#include <types.h>
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#include <gdt.h>
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#include <asm.h>
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#include <memory.h>
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/* 32bit SYSENTER instruction entry.
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*
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* Arguments:
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* %eax System call number.
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* %ebx Arg1
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* %ecx Arg2
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* %edx Arg3
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* %esi Arg4
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* %edi Arg5
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* %ebp user stack
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* 0(%ebp) Arg6*/
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/*******************************************************************************/
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/* Entrée pour les appels système SYSENTER */
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void sysenter_handler(void)
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{
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}
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/*******************************************************************************/
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/* Initialise les appels système par SYSENTER/SYSEXIT */
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void initsyscall(void)
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{
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wrmsr(0x174, SEL_KERNEL_CODE, 0x0);
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wrmsr(0x175, KERNEL_STACK_ADDR, 0x0);
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wrmsr(0x176, &sysenter_handler, 0x0);
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}
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/*******************************************************************************/
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