552 lines
7.2 KiB
ArmAsm
552 lines
7.2 KiB
ArmAsm
.file "init/main.c"
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gcc_compiled.:
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.text
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LC0:
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.ascii "out of memory\12\15\0"
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.align 2
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_sprintf:
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movl 4(%esp),%edx
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leal 12(%esp),%eax
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pushl %eax
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pushl 12(%esp)
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pushl %edx
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call _vsprintf
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addl $12,%esp
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ret
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.align 2
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_time_init:
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pushl %ebp
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movl %esp,%ebp
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subl $44,%esp
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L65:
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movl $128,%eax
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movl $112,%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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movl $113,%edx
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/APP
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inb %dx,%al
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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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movb %al,-40(%ebp)
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movzbl -40(%ebp),%eax
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movl %eax,-36(%ebp)
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movl $130,%eax
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movl $112,%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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movl $113,%edx
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/APP
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inb %dx,%al
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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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movb %al,-40(%ebp)
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movzbl -40(%ebp),%eax
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movl %eax,-32(%ebp)
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movl $132,%eax
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movl $112,%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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movl $113,%edx
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/APP
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inb %dx,%al
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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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movb %al,-40(%ebp)
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movzbl -40(%ebp),%eax
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movl %eax,-28(%ebp)
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movl $135,%eax
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movl $112,%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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movl $113,%edx
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/APP
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inb %dx,%al
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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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movb %al,-40(%ebp)
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movzbl -40(%ebp),%eax
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movl %eax,-24(%ebp)
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movl $136,%eax
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movl $112,%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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movl $113,%edx
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/APP
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inb %dx,%al
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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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movb %al,-40(%ebp)
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movzbl -40(%ebp),%eax
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movl %eax,-20(%ebp)
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movl $137,%eax
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movl $112,%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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movl $113,%edx
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/APP
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inb %dx,%al
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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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movb %al,-40(%ebp)
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movzbl -40(%ebp),%eax
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movl %eax,-16(%ebp)
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movl $128,%eax
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movl $112,%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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movl $113,%edx
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/APP
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inb %dx,%al
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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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movb %al,-40(%ebp)
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movzbl -40(%ebp),%eax
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cmpl -36(%ebp),%eax
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jne L65
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movl -36(%ebp),%eax
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andl $15,%eax
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movl -36(%ebp),%edx
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sarl $4,%edx
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leal (%edx,%edx,4),%edx
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leal (%eax,%edx,2),%eax
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movl %eax,-36(%ebp)
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movl -32(%ebp),%eax
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andl $15,%eax
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movl -32(%ebp),%edx
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sarl $4,%edx
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leal (%edx,%edx,4),%edx
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leal (%eax,%edx,2),%eax
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movl %eax,-32(%ebp)
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movl -28(%ebp),%eax
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andl $15,%eax
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movl -28(%ebp),%edx
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sarl $4,%edx
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leal (%edx,%edx,4),%edx
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leal (%eax,%edx,2),%eax
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movl %eax,-28(%ebp)
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movl -24(%ebp),%eax
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andl $15,%eax
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movl -24(%ebp),%edx
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sarl $4,%edx
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leal (%edx,%edx,4),%edx
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leal (%eax,%edx,2),%eax
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movl %eax,-24(%ebp)
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movl -20(%ebp),%eax
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andl $15,%eax
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movl -20(%ebp),%edx
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sarl $4,%edx
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leal (%edx,%edx,4),%edx
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leal (%eax,%edx,2),%eax
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movl %eax,-20(%ebp)
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movl -16(%ebp),%eax
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andl $15,%eax
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movl -16(%ebp),%edx
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sarl $4,%edx
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leal (%edx,%edx,4),%edx
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leal (%eax,%edx,2),%eax
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movl %eax,-16(%ebp)
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decl -20(%ebp)
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leal -36(%ebp),%eax
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pushl %eax
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call _kernel_mktime
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movl %eax,_startup_time
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leave
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ret
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.data
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.align 2
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_memory_end:
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.long 0
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.align 2
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_buffer_memory_end:
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.long 0
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.align 2
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_main_memory_start:
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.long 0
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.text
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LC1:
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.ascii "/bin/sh\0"
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.data
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.align 2
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_argv_rc:
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.long LC1
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.long 0
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.text
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LC2:
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.ascii "HOME=/\0"
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.data
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.align 2
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_envp_rc:
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.long LC2
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.long 0
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.long 0
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.text
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LC3:
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.ascii "-/bin/sh\0"
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.data
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.align 2
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_argv:
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.long LC3
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.long 0
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.text
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LC4:
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.ascii "HOME=/usr/root\0"
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.data
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.align 2
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_envp:
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.long LC4
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.long 0
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.long 0
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.text
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LC5:
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.ascii "TERM=con%dx%d\0"
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.align 2
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.globl _main
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_main:
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pushl %ebp
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movl %esp,%ebp
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subl $8,%esp
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pushl %edi
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pushl %esi
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movzwl 590332,%eax
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movl %eax,_ROOT_DEV
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movzwl 590330,%eax
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movl %eax,_SWAP_DEV
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movw 589838,%dx
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andl $255,%edx
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pushl %edx
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movw 589838,%ax
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andw $65280,%ax
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shrw $8,%ax
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movw %ax,-4(%ebp)
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movzwl -4(%ebp),%eax
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pushl %eax
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pushl $LC5
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pushl $_term
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call _sprintf
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movl $_term,_envp+4
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movl $_term,_envp_rc+4
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movl $_drive_info,%edi
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movl $589952,%esi
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movl $8,%ecx
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cld
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rep
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movsl
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movzwl 589826,%eax
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sall $10,%eax
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addl $1048576,%eax
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movl %eax,_memory_end
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andl $-4096,_memory_end
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addl $16,%esp
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cmpl $16777216,_memory_end
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jle L69
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movl $16777216,_memory_end
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L69:
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cmpl $12582912,_memory_end
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jle L70
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movl $4194304,_buffer_memory_end
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jmp L71
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.align 2
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L70:
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cmpl $6291456,_memory_end
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jle L72
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movl $2097152,_buffer_memory_end
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jmp L71
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.align 2
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L72:
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movl $1048576,_buffer_memory_end
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L71:
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movl _buffer_memory_end,%eax
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movl %eax,_main_memory_start
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pushl _memory_end
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pushl _buffer_memory_end
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call _mem_init
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call _trap_init
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call _blk_dev_init
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call _chr_dev_init
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call _tty_init
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call _time_init
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call _sched_init
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pushl _buffer_memory_end
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call _buffer_init
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call _hd_init
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call _floppy_init
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/APP
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sti
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movl %esp,%eax
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pushl $0x17
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pushl %eax
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pushfl
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pushl $0x0f
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pushl $1f
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iret
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1: movl $0x17,%eax
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movw %ax,%ds
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movw %ax,%es
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movw %ax,%fs
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movw %ax,%gs
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/NO_APP
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addl $12,%esp
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movl $2,%eax
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/APP
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int $0x80
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/NO_APP
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movl %eax,%edx
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testl %edx,%edx
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jge L75
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negl %edx
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movl %edx,_errno
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movl $-1,%edx
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L75:
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testl %edx,%edx
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jne L74
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call _init
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L74:
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L77:
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movl $29,%eax
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/APP
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int $0x80
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/NO_APP
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jmp L77
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.align 2
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leal -16(%ebp),%esp
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popl %esi
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popl %edi
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leave
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ret
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.align 2
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_printf:
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pushl %ebx
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leal 12(%esp),%eax
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pushl %eax
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pushl 12(%esp)
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pushl $_printbuf
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call _vsprintf
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movl %eax,%ebx
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pushl %ebx
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pushl $_printbuf
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pushl $1
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call _write
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movl %ebx,%eax
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addl $24,%esp
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popl %ebx
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ret
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LC6:
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.ascii "/dev/tty1\0"
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LC7:
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.ascii "%d buffers = %d bytes buffer space\12\15\0"
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LC8:
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.ascii "Free mem: %d bytes\12\15\0"
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LC9:
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.ascii "/etc/rc\0"
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LC10:
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.ascii "Fork failed in init\15\12\0"
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LC11:
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.ascii "\12\15child %d died with code %04x\12\15\0"
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.align 2
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.globl _init
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_init:
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pushl %ebp
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movl %esp,%ebp
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subl $4,%esp
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pushl %edi
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pushl %esi
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pushl %ebx
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xorl %eax,%eax
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movl $_drive_info,%ebx
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/APP
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int $0x80
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/NO_APP
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testl %eax,%eax
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jge L82
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negl %eax
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movl %eax,_errno
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L82:
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pushl $0
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pushl $2
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pushl $LC6
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call _open
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pushl $0
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call _dup
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pushl $0
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call _dup
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movl _nr_buffers,%eax
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sall $10,%eax
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pushl %eax
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pushl _nr_buffers
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pushl $LC7
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call _printf
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addl $32,%esp
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movl _memory_end,%eax
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subl _main_memory_start,%eax
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pushl %eax
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pushl $LC8
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call _printf
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addl $8,%esp
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movl $2,%eax
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/APP
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int $0x80
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/NO_APP
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testl %eax,%eax
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jl L86
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movl %eax,%edi
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jmp L85
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.align 2
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L86:
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negl %eax
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movl %eax,_errno
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movl $-1,%edi
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L85:
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testl %edi,%edi
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jne L84
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pushl $0
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call _close
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pushl $0
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pushl $0
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pushl $LC9
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call _open
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addl $16,%esp
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testl %eax,%eax
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je L87
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pushl $1
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call __exit
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.align 2
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L87:
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pushl $_envp_rc
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pushl $_argv_rc
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pushl $LC1
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call _execve
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pushl $2
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call __exit
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.align 2
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L84:
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testl %edi,%edi
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jle L88
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leal -4(%ebp),%esi
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L89:
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pushl %esi
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call _wait
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addl $4,%esp
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cmpl %edi,%eax
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jne L89
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L88:
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leal -4(%ebp),%esi
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L91:
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movl $2,%eax
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/APP
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int $0x80
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/NO_APP
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testl %eax,%eax
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jge L94
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negl %eax
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movl %eax,_errno
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movl $-1,%eax
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L94:
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movl %eax,%edi
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testl %edi,%edi
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jge L93
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pushl $LC10
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call _printf
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addl $4,%esp
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jmp L91
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.align 2
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L93:
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testl %edi,%edi
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jne L96
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pushl $0
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call _close
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pushl $1
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call _close
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pushl $2
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call _close
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call _setsid
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pushl $0
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pushl $2
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pushl $LC6
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call _open
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pushl $0
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call _dup
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pushl $0
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call _dup
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addl $32,%esp
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pushl $_envp
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pushl $_argv
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pushl $LC1
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call _execve
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pushl %eax
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call __exit
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.align 2
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L96:
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L97:
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pushl %esi
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call _wait
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addl $4,%esp
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cmpl %edi,%eax
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jne L97
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pushl -4(%ebp)
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pushl %edi
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pushl $LC11
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call _printf
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addl $12,%esp
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movl $36,%eax
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/APP
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int $0x80
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/NO_APP
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testl %eax,%eax
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jge L91
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negl %eax
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movl %eax,_errno
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jmp L91
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.align 2
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leal -16(%ebp),%esp
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popl %ebx
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popl %esi
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popl %edi
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leave
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ret
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.comm _drive_info,32
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.lcomm _term,32
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.lcomm _printbuf,1024
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