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seoul: add invalid guest state handling

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This commit is contained in:
Alexander Boettcher 2013-08-12 08:47:36 +02:00 committed by Norman Feske
parent e349c29736
commit ed3187aa74
1 changed files with 9 additions and 5 deletions
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14
ports/src/vancouver/main.cc
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@ -609,10 +609,11 @@ class Vcpu_dispatcher : public Genode::Thread<STACK_SIZE>,
{
Utcb *utcb = _utcb_of_myself();
if (utcb->qual[0] & 0x4)
Logging::panic("force_invalid_gueststate_amd(utcb) - not implemented\n");
else {
if (utcb->qual[0] & 0x4) {
Logging::printf("invalid gueststate\n");
utcb->ctrl[1] = 0;
utcb->mtd = MTD_CTRL;
} else {
unsigned order = ((utcb->qual[0] >> 4) & 7) - 1;
if (order > 2)
@ -715,7 +716,10 @@ class Vcpu_dispatcher : public Genode::Thread<STACK_SIZE>,
Utcb *utcb = _utcb_of_myself();
unsigned order;
if (utcb->qual[0] & 0x10) {
Logging::panic("invalid gueststate intel - not implemented\n");
Logging::printf("invalid gueststate\n");
assert(utcb->mtd & MTD_RFLAGS);
utcb->efl &= ~2;
utcb->mtd = MTD_RFLAGS;
} else {
order = utcb->qual[0] & 7;
if (order > 2) order = 2;