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Make SVM IOIO intercept check all needed bits, by Bernhard Kauer.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3792 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2007-12-09 23:39:22 +00:00
parent df01e0fc33
commit b26177d7ec
1 changed files with 2 additions and 1 deletions
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3
target-i386/helper.c
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@ -4262,7 +4262,8 @@ int svm_check_intercept_param(uint32_t type, uint64_t param)
uint64_t addr = ldq_phys(env->vm_vmcb + offsetof(struct vmcb, control.iopm_base_pa));
uint16_t port = (uint16_t) (param >> 16);
if(ldub_phys(addr + port / 8) & (1 << (port % 8)))
uint16_t mask = (1 << ((param >> 4) & 7)) - 1;
if(lduw_phys(addr + port / 8) & (mask << (port & 7)))
vmexit(type, param);
}
break;