eabdullin
fafa4b8c26
- EmbeddedPkg/Hob: Integer Overflow in CreateHob() - MdePkg/BaseRngLib: Add a smoketest for RDRAND and check CPUID - MdePkg/X86UnitTestHost: set rdrand cpuid bit - NetworkPkg: SECURITY PATCH CVE-2023-45237 - NetworkPkg TcpDxe: Fixed system stuck on PXE boot flow in iPXE environment - NetworkPkg TcpDxe: SECURITY PATCH CVE-2023-45236 - OvmfPkg: wire up RngDxe - SecurityPkg/RngDxe: add rng test - StandaloneMmPkg/Hob: Integer Overflow in CreateHob()
43 lines
1.1 KiB
Diff
43 lines
1.1 KiB
Diff
From 5e776299a2604b336a947e68593012ab2cc16eb4 Mon Sep 17 00:00:00 2001
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From: Gerd Hoffmann <kraxel@redhat.com>
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Date: Fri, 14 Jun 2024 11:45:53 +0200
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Subject: [PATCH] MdePkg/X86UnitTestHost: set rdrand cpuid bit
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Set the rdrand feature bit when faking cpuid for host test cases.
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Needed to make the CryptoPkg test cases work.
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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---
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MdePkg/Library/BaseLib/X86UnitTestHost.c | 11 ++++++++++-
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1 file changed, 10 insertions(+), 1 deletion(-)
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diff --git a/MdePkg/Library/BaseLib/X86UnitTestHost.c b/MdePkg/Library/BaseLib/X86UnitTestHost.c
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index 8ba4f54a385d..7f7276f7f4b8 100644
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--- a/MdePkg/Library/BaseLib/X86UnitTestHost.c
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+++ b/MdePkg/Library/BaseLib/X86UnitTestHost.c
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@@ -66,6 +66,15 @@ UnitTestHostBaseLibAsmCpuid (
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OUT UINT32 *Edx OPTIONAL
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)
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{
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+ UINT32 RetEcx;
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+
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+ RetEcx = 0;
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+ switch (Index) {
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+ case 1:
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+ RetEcx |= BIT30; /* RdRand */
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+ break;
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+ }
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+
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if (Eax != NULL) {
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*Eax = 0;
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}
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@@ -75,7 +84,7 @@ UnitTestHostBaseLibAsmCpuid (
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}
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if (Ecx != NULL) {
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- *Ecx = 0;
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+ *Ecx = RetEcx;
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}
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if (Edx != NULL) {
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