Improve correctness of backtrace library.

[netwatch.git] / tools / poke-rls-asm.S

diff --git a/tools/poke-rls-asm.S b/tools/poke-rls-asm.S
index ee4485494a08760134fee70b3f26fe79b3d06b46..a67503e254bbdcc87d8bb9e8ab7331e74cab3cfd 100644 (file)
--- a/tools/poke-rls-asm.S
+++ b/tools/poke-rls-asm.S
@@ -1,20 +1,21 @@
+# poke-rls-asm.S
+# Helper functions for poke-rls.c
+# NetWatch system management mode administration console
+#
+# Copyright (c) 2008 Jacob Potter and Joshua Wise.  All rights reserved.
+# This program is free software; you can redistribute and/or modify it under
+# the terms found in the file LICENSE in the root of this source tree.
+
 .global poke
 poke:
-       # Preload registers: $0x1BADD00D
-       mov $0x1BADD00D, %ecx
+       mov 8(%esp), %ecx
 
        # Parameter: I/O port to set bit 2 of
-       mov 4(%esp), %dx
+       mov 4(%esp), %edx
        inl %dx, %eax
        or $4, %eax
        outl %eax, %dx
 
-       # Count down for a while
-       mov $0x10000, %edx
-loop:
-       dec %edx
-       jz loop
-
        # Maybe SMM poked something?
        mov %ecx, %eax
        ret