Signed-off-by: Avi Kivity <a...@redhat.com>
---
x86/idt.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/x86/idt.c b/x86/idt.c
index 590839f..4480833 100644
--- a/x86/idt.c
+++ b/x86/idt.c
@@ -100,6 +100,11 @@ asm (".pushsection .text \n\t"
"pushq $13 \n\t"
"jmp handle_exception \n\t"
+ "de_fault: \n\t"
+ "pushq $0 \n\t"
+ "pushq $0 \n\t"
+ "jmp handle_exception \n\t"
+
"handle_exception: \n\t"
"push %r15; push %r14; push %r13; push %r12 \n\t"
"push %r11; push %r10; push %r9; push %r8 \n\t"
@@ -118,9 +123,10 @@ asm (".pushsection .text \n\t"
void setup_idt(void)
{
- extern char ud_fault, gp_fault;
+ extern char ud_fault, gp_fault, de_fault;
lidt(idt, 256);
+ set_idt_entry(&idt[0], &de_fault, 0);
set_idt_entry(&idt[6], &ud_fault, 0);
set_idt_entry(&idt[13], &gp_fault, 0);
}
--
1.7.1
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