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target/i386: Added MSRPM and IOPM size check

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The address of the last entry in the MSRPM and
in the IOPM must be smaller than the largest physical address.
(APM2 15.10-15.11)

Signed-off-by: Lara Lazier <laramglazier@gmail.com>
Message-Id: <20210705081802.18960-2-laramglazier@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Lara Lazier 2021-07-05 10:17:59 +02:00 • committed by Paolo Bonzini
parent bca6eb34f0
commit 481077b28b
2 changed files with 18 additions and 0 deletions
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3
target/i386/svm.h
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@ -137,6 +137,9 @@
#define SVM_CR0_RESERVED_MASK 0xffffffff00000000U
#define SVM_MSRPM_SIZE (1ULL << 13)
#define SVM_IOPM_SIZE ((1ULL << 13) + 1)
struct QEMU_PACKED vmcb_control_area {
uint16_t intercept_cr_read;
uint16_t intercept_cr_write;