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https://opencores.org/ocsvn/or1k/or1k/trunk
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| Rev 1010 |
Rev 1765 |
.data
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.data
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ds:
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ds:
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.word 0
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.word 0
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es:
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es:
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.word 0
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.word 0
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fs:
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fs:
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.word 0
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.word 0
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gs:
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gs:
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.word 0
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.word 0
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.globl int86
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.globl int86
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int86:
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int86:
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.byte 0x2e
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.byte 0x2e
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push ds
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push ds
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pop %ds
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pop %ds
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.byte 0x2e
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.byte 0x2e
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push es
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push es
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pop %es
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pop %es
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.byte 0x2e
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.byte 0x2e
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push fs
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push fs
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pop %fs
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pop %fs
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.byte 0x2e
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.byte 0x2e
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push gs
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push gs
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pop %gs
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pop %gs
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.byte 0xcd
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.byte 0xcd
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int86_vec:
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int86_vec:
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.byte 0x03
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.byte 0x03
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ret
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ret
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.text
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.text
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.globl _int86x
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.globl _int86x
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_int86x:
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_int86x:
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movl 16(%esp), %eax
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movl 16(%esp), %eax
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movw 2(%eax), %cx
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movw 2(%eax), %cx
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movw %cx, ds
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movw %cx, ds
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movw 4(%eax), %cx
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movw 4(%eax), %cx
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movw %cx, es
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movw %cx, es
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movw 6(%eax), %cx
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movw 6(%eax), %cx
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movw %cx, fs
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movw %cx, fs
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movw 8(%eax), %cx
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movw 8(%eax), %cx
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movw %cx, gs
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movw %cx, gs
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jmp int86_common
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jmp int86_common
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.globl _int86
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.globl _int86
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_int86:
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_int86:
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movw %ds, %ax
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movw %ds, %ax
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movw %ax, ds
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movw %ax, ds
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movw %ax, es
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movw %ax, es
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movw %ax, fs
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movw %ax, fs
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movw %ax, gs
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movw %ax, gs
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jmp int86_common
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jmp int86_common
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int86_common:
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int86_common:
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pushl %ebp
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pushl %ebp
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movl %esp,%ebp
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movl %esp,%ebp
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pushl %ebx
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pushl %ebx
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pushl %esi
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pushl %esi
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pushl %edi
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pushl %edi
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pushf
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pushf
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movl 8(%ebp),%eax
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movl 8(%ebp),%eax
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movb %al,int86_vec
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movb %al,int86_vec
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movl 12(%ebp),%eax
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movl 12(%ebp),%eax
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movl 4(%eax),%ebx
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movl 4(%eax),%ebx
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movl 8(%eax),%ecx
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movl 8(%eax),%ecx
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movl 12(%eax),%edx
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movl 12(%eax),%edx
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movl 16(%eax),%esi
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movl 16(%eax),%esi
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movl 20(%eax),%edi
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movl 20(%eax),%edi
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movl (%eax),%eax
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movl (%eax),%eax
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push %ds
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push %ds
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push %es
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push %es
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call int86
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call int86
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pop %es
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pop %es
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pop %ds
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pop %ds
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pushf
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pushf
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pushl %eax
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pushl %eax
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movl %esp,%ebp
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movl %esp,%ebp
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addl $24,%ebp
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addl $24,%ebp
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movl 16(%ebp),%eax
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movl 16(%ebp),%eax
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popl (%eax)
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popl (%eax)
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movl %ebx,4(%eax)
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movl %ebx,4(%eax)
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movl %ecx,8(%eax)
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movl %ecx,8(%eax)
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movl %edx,12(%eax)
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movl %edx,12(%eax)
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movl %esi,16(%eax)
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movl %esi,16(%eax)
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movl %edi,20(%eax)
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movl %edi,20(%eax)
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popl %ebx /* flags */
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popl %ebx /* flags */
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movl %ebx,28(%eax)
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movl %ebx,28(%eax)
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andl $1,%ebx
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andl $1,%ebx
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movl %ebx,24(%eax)
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movl %ebx,24(%eax)
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movl (%eax),%eax
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movl (%eax),%eax
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popf
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popf
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popl %edi
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popl %edi
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popl %esi
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popl %esi
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popl %ebx
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popl %ebx
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popl %ebp
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popl %ebp
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ret
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ret
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