Clear the back pointer in the root kernel stack frame, so stack traces

will end there. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15888 a95241bf-73f2-0310-859d-f6bbb57e9c96
2006-01-10 00:49:31 +00:00 · 2006-01-10 00:49:31 +00:00 · 1cf0c3b3f2
commit 1cf0c3b3f2
parent 93d1b9f406
1 changed files with 4 additions and 0 deletions
--- a/src/system/boot/platform/openfirmware/arch/ppc/arch_start_kernel.S
+++ b/src/system/boot/platform/openfirmware/arch/ppc/arch_start_kernel.S
@ -25,6 +25,10 @@ FUNCTION(arch_start_kernel):
 	// set up the kernel stack
 	subi	%r1, %r5, 16

+	// clear the pointer to the previous frame
+	li		%r0, 0
+	stw		%r0, 0(%r1)
+
 	// enter the kernel
 	mtlr	%r4
 	blrl