Change assembly from AT&T to Intel syntax.

[pintos-anon] / src / threads / intr-stubs.pl

diff --git a/src/threads/intr-stubs.pl b/src/threads/intr-stubs.pl
index c333260eef7a812e4262e783e968fa0a342fe99c..a5ad9b0514bd251f5aec0ab9222d659c503a9c64 100755 (executable)
--- a/src/threads/intr-stubs.pl
+++ b/src/threads/intr-stubs.pl
@@ -4,6 +4,7 @@ print <<'EOF';
 #include "threads/loader.h"
 
        .data
+       .intel_syntax noprefix
 .globl intr_stubs
 intr_stubs:
 EOF
@@ -22,39 +23,39 @@ for $i (0...255) {
     $x = sprintf ("%02x", $i);
     print ".globl intr${x}_stub\n";
     print "intr${x}_stub:\n";
-    print "\tpushl \$0\n"
+    print "\tpush 0\n"
        if ($i != 8 && $i != 10 && $i != 11
            && $i != 13 && $i != 14 && $i != 17);
-    print "\tpushl \$0x$x\n";
+    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
+       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 interrupt handler.
-       pushl %esp
+       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 es
+       pop ds
+       add esp, 8
 
         # Return to caller.
        iret