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xen-changelog
[Xen-changelog] [xen-unstable] [Mini-OS] Permit x86_64 trap handlers to
# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1195911061 0
# Node ID 2c52520f3284525741aedd55ab06a41cd2c784fd
# Parent ee519207734fcd9874647268f756a6c503963782
[Mini-OS] Permit x86_64 trap handlers to return
Trap handlers sometimes fix the problem, so they need to be able to
return.
Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxx>
---
extras/mini-os/arch/x86/x86_64.S | 1 +
1 files changed, 1 insertion(+)
diff -r ee519207734f -r 2c52520f3284 extras/mini-os/arch/x86/x86_64.S
--- a/extras/mini-os/arch/x86/x86_64.S Sat Nov 24 13:29:20 2007 +0000
+++ b/extras/mini-os/arch/x86/x86_64.S Sat Nov 24 13:31:01 2007 +0000
@@ -193,6 +193,7 @@ error_call_handler:
movq ORIG_RAX(%rsp),%rsi # get error code
movq $-1,ORIG_RAX(%rsp)
call *%rax
+ jmp error_exit
.macro zeroentry sym
# INTR_FRAME
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