refactor: decouple i386 specific instruction invocation

[lunaix-os.git] / lunaix-os / kernel / asm / x86 / syscall.S

diff --git a/lunaix-os/kernel/asm/x86/syscall.S b/lunaix-os/kernel/asm/x86/syscall.S
deleted file mode 100644 (file)
index 25e153f..0000000
--- a/lunaix-os/kernel/asm/x86/syscall.S
+++ /dev/null
@@ -1,58 +0,0 @@
-#define __ASM__
-#include <lunaix/syscall.h>
-
-.section .data
-    /*
-        注意，这里的顺序非常重要。每个系统调用在这个地址表里的索引等于其调用号。
-    */
-    syscall_table:
-        1:
-        .dc.l 0
-        .dc.l dup_proc
-        .dc.l schedule
-        .dc.l terminate_process
-        .dc.l _syscall_sbrk
-        .dc.l _syscall_brk
-        2:
-        .rept __SYSCALL_MAX - (2b - 1b)/4
-            .dc.l 0
-        .endr
-
-.global syscall_hndlr
-
-.section .text
-    syscall_hndlr:
-        pushl %ebp
-        movl %esp, %ebp
-        addl $0x8, %ebp
-        movl (%ebp), %ebp
-
-        movl  (%ebp), %eax
-        cmpl  $__SYSCALL_MAX, %eax
-        jae 2f
-
-        shll $2, %eax
-        addl $syscall_table, %eax
-        cmpl $0, (%eax)
-        jne 1f
-    2:    
-        neg   %eax
-        popl  %ebp
-        ret
-    1:
-        pushl 24(%ebp)    /* esi - #6 arg */
-        pushl 20(%ebp)    /* ebp - #5 arg */
-        pushl 16(%ebp)    /* edi - #4 arg */
-        pushl 12(%ebp)    /* edx - #3 arg */
-        pushl 8(%ebp)    /* ecx - #2 arg */
-        pushl 4(%ebp)    /* ebx - #1 arg */
-        
-        call (%eax)
-
-        addl $24, %esp
-
-        popl %ebp
-        
-        ret
-
-