#! /usr/bin/perl
print <<'EOF';
-#include "mmu.h"
+#include "threads/loader.h"
- .globl intr_stubs
+ .data
+ .intel_syntax noprefix
+.globl intr_stubs
intr_stubs:
EOF
$x = sprintf ("%02x", $i);
print "\t.long intr${x}_stub\n";
}
-print "\n";
+
+print <<'EOF';
+
+ .text
+EOF
for $i (0...255) {
$x = sprintf ("%02x", $i);
- print "\t.globl intr${x}_stub\n";
+ print ".globl intr${x}_stub\n";
print "intr${x}_stub:\n";
- print "\tpushl \$0\n" if $i != 8 && $i != 10 && $i != 11 && $i != 13 && $i != 14 && $i != 17;
- print "\tpushl \$0x$x\n";
+ print "\tpush 0\n"
+ if ($i != 8 && $i != 10 && $i != 11
+ && $i != 13 && $i != 14 && $i != 17);
+ print "\tpush 0x$x\n";
print "\tjmp intr_entry\n";
}
print <<'EOF';
intr_entry:
# Save caller's registers.
- pushl %ds
- pushl %es
- pushal
+ push ds
+ push es
+ push fs
+ push gs
+ pusha
# Set up kernel environment.
cld
- movl $SEL_KDSEG, %eax
- movl %eax, %ds
- movl %eax, %es
+ mov eax, SEL_KDSEG
+ mov ds, eax
+ mov es, eax
- # Call handler.
- pushl %esp
- .globl intr_handler
+ # Call interrupt handler.
+ push esp
+.globl intr_handler
call intr_handler
- addl $4, %esp
+ add esp, 4
+.globl intr_exit
+intr_exit:
# Restore caller's registers.
- popal
- popl %es
- popl %ds
- addl $8, %esp
+ popa
+ pop gs
+ pop fs
+ pop es
+ pop ds
+ add esp, 8
+
+ # Return to caller.
iret
EOF