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447 lines
6.2 KiB
447 lines
6.2 KiB
3 years ago
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.file "tty_ioctl.c"
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.data
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.align 32
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_quotient:
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.word 0
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.word 2304
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.word 1536
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.word 1047
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.word 857
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.word 768
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.word 576
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.word 384
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.word 192
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.word 96
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.word 64
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.word 48
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.word 24
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.word 12
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.word 6
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.word 3
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.text
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.p2align 2,,3
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.def _change_speed; .scl 3; .type 32; .endef
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_change_speed:
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pushl %edi
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pushl %esi
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pushl %ebx
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movl 16(%esp), %eax
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movw 48(%eax), %si
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testw %si, %si
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je L1
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movl 8(%eax), %eax
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andl $15, %eax
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movw _quotient(%eax,%eax), %cx
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/APP
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cli
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/NO_APP
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movzwl %si, %edi
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leal 3(%edi), %ebx
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movl $128, %eax
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movl %ebx, %edx
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/APP
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outb %al,%dx
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jmp 1f
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1: jmp 1f
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1:
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/NO_APP
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movzbl %cl, %eax
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movl %esi, %edx
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/APP
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outb %al,%dx
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jmp 1f
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1: jmp 1f
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1:
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/NO_APP
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movzbl %ch, %ecx
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leal 1(%edi), %edx
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movl %ecx, %eax
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/APP
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outb %al,%dx
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jmp 1f
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1: jmp 1f
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1:
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/NO_APP
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movl %ebx, %edx
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movl $3, %eax
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/APP
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outb %al,%dx
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sti
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/NO_APP
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L1:
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popl %ebx
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popl %esi
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popl %edi
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ret
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.p2align 2,,3
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.def _flush; .scl 3; .type 32; .endef
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_flush:
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movl 4(%esp), %edx
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/APP
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cli
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/NO_APP
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movl 8(%edx), %eax
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movl %eax, 4(%edx)
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/APP
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sti
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/NO_APP
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ret
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.p2align 2,,3
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.def _wait_until_sent; .scl 3; .type 32; .endef
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_wait_until_sent:
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ret
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.p2align 2,,3
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.def _send_break; .scl 3; .type 32; .endef
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_send_break:
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ret
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.p2align 2,,3
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.def _get_termios; .scl 3; .type 32; .endef
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_get_termios:
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pushl %esi
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pushl %ebx
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subl $12, %esp
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movl 24(%esp), %esi
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movl 28(%esp), %ebx
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pushl $36
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pushl %ebx
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call _verify_area
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xorl %edx, %edx
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addl $16, %esp
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.p2align 2,,3
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L12:
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movb (%edx,%esi), %al
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/APP
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movb %al,%fs:(%edx,%ebx)
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/NO_APP
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incl %edx
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cmpl $35, %edx
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jbe L12
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popl %edx
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popl %ebx
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xorl %eax, %eax
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popl %esi
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ret
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.p2align 2,,3
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.def _set_termios; .scl 3; .type 32; .endef
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_set_termios:
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pushl %ebx
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subl $8, %esp
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movl 16(%esp), %ebx
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movl 20(%esp), %ecx
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xorl %edx, %edx
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.p2align 2,,3
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L21:
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/APP
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movb %fs:(%edx,%ecx),%al
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/NO_APP
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movb %al, (%edx,%ebx)
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incl %edx
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cmpl $35, %edx
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jbe L21
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subl $12, %esp
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pushl %ebx
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call _change_speed
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addl $24, %esp
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xorl %eax, %eax
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popl %ebx
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ret
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.p2align 2,,3
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.def _get_termio; .scl 3; .type 32; .endef
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_get_termio:
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pushl %esi
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pushl %ebx
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subl $44, %esp
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movl 56(%esp), %esi
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movl 60(%esp), %ebx
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pushl $18
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pushl %ebx
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call _verify_area
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movw (%esi), %ax
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movw %ax, 16(%esp)
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movw 4(%esi), %ax
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movw %ax, 18(%esp)
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movw 8(%esi), %ax
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movw %ax, 20(%esp)
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movw 12(%esi), %ax
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movw %ax, 22(%esp)
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movb 16(%esi), %al
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movb %al, 24(%esp)
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xorl %edx, %edx
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addl $16, %esp
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.p2align 2,,3
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L29:
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movb 17(%edx,%esi), %al
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movb %al, 9(%esp,%edx)
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incl %edx
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cmpl $7, %edx
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jle L29
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xorl %edx, %edx
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.p2align 2,,3
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L35:
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movb (%esp,%edx), %al
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/APP
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movb %al,%fs:(%edx,%ebx)
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/NO_APP
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incl %edx
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cmpl $17, %edx
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jbe L35
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addl $36, %esp
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popl %ebx
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xorl %eax, %eax
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popl %esi
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ret
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.p2align 2,,3
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.def _set_termio; .scl 3; .type 32; .endef
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_set_termio:
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pushl %ebx
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subl $40, %esp
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movl 48(%esp), %ebx
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movl 52(%esp), %ecx
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xorl %edx, %edx
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.p2align 2,,3
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L46:
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/APP
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movb %fs:(%edx,%ecx),%al
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/NO_APP
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movb %al, (%esp,%edx)
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incl %edx
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cmpl $17, %edx
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jbe L46
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movl (%esp), %eax
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movw %ax, (%ebx)
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movw 2(%esp), %ax
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movw %ax, 4(%ebx)
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movl 4(%esp), %eax
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movw %ax, 8(%ebx)
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movw 6(%esp), %ax
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movw %ax, 12(%ebx)
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movb 8(%esp), %al
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movb %al, 16(%ebx)
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xorl %edx, %edx
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.p2align 2,,3
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L51:
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movb 9(%esp,%edx), %al
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movb %al, 17(%edx,%ebx)
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incl %edx
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cmpl $7, %edx
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jle L51
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subl $12, %esp
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pushl %ebx
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call _change_speed
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addl $56, %esp
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xorl %eax, %eax
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popl %ebx
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ret
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LC0:
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.ascii "tty_ioctl: dev<0\0"
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.p2align 2,,3
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.globl _tty_ioctl
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.def _tty_ioctl; .scl 2; .type 32; .endef
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_tty_ioctl:
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pushl %edi
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pushl %esi
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pushl %ebx
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movl 16(%esp), %ebx
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movl %ebx, %eax
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shrl $8, %eax
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cmpl $5, %eax
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movl 20(%esp), %esi
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movl 24(%esp), %edi
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je L107
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andl $255, %ebx
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L59:
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leal (%ebx,%ebx,4), %eax
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leal (%eax,%eax,4), %eax
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sall $2, %eax
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subl %ebx, %eax
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leal -21505(%esi), %edx
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sall $5, %eax
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cmpl $26, %edx
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leal _tty_table(%eax), %ebx
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movl $-22, %eax
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ja L56
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jmp *L100(,%edx,4)
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.p2align 2
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.align 4
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L100:
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.long L61
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.long L64
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.long L63
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.long L62
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.long L65
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.long L68
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.long L67
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.long L66
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.long L69
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.long L98
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.long L72
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.long L98
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.long L98
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.long L98
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.long L82
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.long L84
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.long L86
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.long L98
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.long L98
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.long L98
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.long L98
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.long L98
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.long L98
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.long L98
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.long L98
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.long L98
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.long L88
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L61:
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movl %edi, 20(%esp)
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movl %ebx, 16(%esp)
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popl %ebx
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popl %esi
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popl %edi
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jmp _get_termios
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L64:
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movl %edi, 20(%esp)
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movl %ebx, 16(%esp)
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popl %ebx
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popl %esi
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popl %edi
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jmp _set_termios
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L63:
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subl $12, %esp
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pushl %ebx
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call _wait_until_sent
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addl $16, %esp
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jmp L64
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L62:
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subl $12, %esp
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leal 48(%ebx), %eax
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pushl %eax
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call _flush
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addl $16, %esp
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jmp L63
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L65:
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movl %edi, 20(%esp)
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movl %ebx, 16(%esp)
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popl %ebx
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popl %esi
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popl %edi
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jmp _get_termio
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L68:
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movl %edi, 20(%esp)
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movl %ebx, 16(%esp)
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popl %ebx
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popl %esi
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popl %edi
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jmp _set_termio
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L67:
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subl $12, %esp
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pushl %ebx
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call _wait_until_sent
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addl $16, %esp
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jmp L68
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L66:
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subl $12, %esp
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leal 48(%ebx), %eax
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pushl %eax
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call _flush
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addl $16, %esp
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jmp L67
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L69:
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testl %edi, %edi
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jne L104
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subl $12, %esp
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pushl %ebx
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call _wait_until_sent
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movl %ebx, (%esp)
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call _send_break
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L105:
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addl $16, %esp
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L104:
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xorl %eax, %eax
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.p2align 2,,3
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L56:
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popl %ebx
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popl %esi
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popl %edi
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ret
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L72:
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testl %edi, %edi
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je L108
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cmpl $1, %edi
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je L109
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cmpl $2, %edi
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je L110
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.p2align 2,,3
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L98:
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movl $-22, %eax
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jmp L56
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L110:
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subl $12, %esp
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leal 48(%ebx), %eax
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pushl %eax
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call _flush
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popl %ecx
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L101:
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leal 1088(%ebx), %eax
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L102:
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pushl %eax
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call _flush
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jmp L105
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L109:
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subl $12, %esp
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jmp L101
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L108:
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subl $12, %esp
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leal 48(%ebx), %eax
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jmp L102
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L82:
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subl $8, %esp
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pushl $4
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pushl %edi
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call _verify_area
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addl $16, %esp
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movl 36(%ebx), %eax
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L106:
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/APP
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movl %eax,%fs:(%edi)
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/NO_APP
|
||
|
|
jmp L104
|
||
|
|
L84:
|
||
|
|
/APP
|
||
|
|
movl %fs:(%edi),%eax
|
||
|
|
/NO_APP
|
||
|
|
movl %eax, 36(%ebx)
|
||
|
|
jmp L104
|
||
|
|
L86:
|
||
|
|
subl $8, %esp
|
||
|
|
pushl $4
|
||
|
|
pushl %edi
|
||
|
|
call _verify_area
|
||
|
|
movl 1092(%ebx), %eax
|
||
|
|
addl $16, %esp
|
||
|
|
subl 1096(%ebx), %eax
|
||
|
|
L103:
|
||
|
|
andl $1023, %eax
|
||
|
|
jmp L106
|
||
|
|
L88:
|
||
|
|
subl $8, %esp
|
||
|
|
pushl $4
|
||
|
|
pushl %edi
|
||
|
|
call _verify_area
|
||
|
|
movl 2132(%ebx), %eax
|
||
|
|
addl $16, %esp
|
||
|
|
subl 2136(%ebx), %eax
|
||
|
|
jmp L103
|
||
|
|
.p2align 2,,3
|
||
|
|
L107:
|
||
|
|
movl _current, %eax
|
||
|
|
movl 616(%eax), %ebx
|
||
|
|
testl %ebx, %ebx
|
||
|
|
jns L59
|
||
|
|
subl $12, %esp
|
||
|
|
pushl $LC0
|
||
|
|
call _panic
|
||
|
|
addl $16, %esp
|
||
|
|
jmp L59
|
||
|
|
.def _panic; .scl 2; .type 32; .endef
|
||
|
|
.def _verify_area; .scl 2; .type 32; .endef
|