cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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commit 2b331b911f86f0d04eb9400a403105753ed5b69a
parent fe3c978c18b34692af7f18201c3fee57782d2ce0
Author: Brijesh Singh <brijesh.singh@amd.com>
Date:   Wed, 27 Oct 2021 14:58:30 -0500

i386:sev: skip hashing the kernel for the SEV-SNP guest

Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>

Diffstat:

Mtarget/i386/sev.c | 5+++++


1 file changed, 5 insertions(+), 0 deletions(-)

diff --git a/target/i386/sev.c b/target/i386/sev.c
@@ -1820,6 +1820,11 @@ bool sev_add_kernel_loader_hashes(SevKernelLoaderContext *ctx, Error **errp)
         error_setg(errp, "SEV: kernel specified but OVMF has no hash table guid");
         return false;
     }
+
+    if (sev_snp_enabled()) {
+        return false;
+    }
+
     area = (SevHashTableDescriptor *)data;
 
     /*