63 lines
2.2 KiB
Diff
63 lines
2.2 KiB
Diff
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From 79a6baa688a19242512a753ab240a2238bb7ed7e Mon Sep 17 00:00:00 2001
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From: Tao Su <tao1.su@linux.intel.com>
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Date: Tue, 21 Jan 2025 10:06:47 +0800
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Subject: [PATCH] target/i386: Introduce SierraForest-v2 model
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commit c597ff5339a9918b00d9f4160126db0ac2a423cc upstream.
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Update SierraForest CPU model to add LAM, 4 bits indicating certain bits
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of IA32_SPEC_CTR are supported(intel-psfd, ipred-ctrl, rrsba-ctrl,
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bhi-ctrl) and the missing features(ss, tsc-adjust, cldemote, movdiri,
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movdir64b)
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Also add GDS-NO and RFDS-NO to indicate the related vulnerabilities are
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mitigated in stepping 3.
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Intel-SIG: commit c597ff5339a9 target/i386: Introduce SierraForest-v2 model.
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Add SRF CPU model support
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Tested-by: Xuelian Guo <xuelian.guo@intel.com>
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Signed-off-by: Tao Su <tao1.su@linux.intel.com>
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Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
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Link: https://lore.kernel.org/r/20250121020650.1899618-2-tao1.su@linux.intel.com
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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[ Quanxian Wang: amend commit log ]
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Signed-off-by: Quanxian Wang <quanxian.wang@intel.com>
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---
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target/i386/cpu.c | 19 +++++++++++++++++++
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1 file changed, 19 insertions(+)
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diff --git a/target/i386/cpu.c b/target/i386/cpu.c
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index 20358ffa91..bad30581ce 100644
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--- a/target/i386/cpu.c
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+++ b/target/i386/cpu.c
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@@ -4315,6 +4315,25 @@ static const X86CPUDefinition builtin_x86_defs[] = {
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.model_id = "Intel Xeon Processor (SierraForest)",
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.versions = (X86CPUVersionDefinition[]) {
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{ .version = 1 },
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+ {
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+ .version = 2,
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+ .props = (PropValue[]) {
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+ { "ss", "on" },
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+ { "tsc-adjust", "on" },
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+ { "cldemote", "on" },
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+ { "movdiri", "on" },
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+ { "movdir64b", "on" },
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+ { "gds-no", "on" },
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+ { "rfds-no", "on" },
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+ { "lam", "on" },
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+ { "intel-psfd", "on"},
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+ { "ipred-ctrl", "on"},
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+ { "rrsba-ctrl", "on"},
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+ { "bhi-ctrl", "on"},
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+ { "stepping", "3" },
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+ { /* end of list */ }
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+ }
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+ },
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{ /* end of list */ },
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},
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},
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--
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2.41.0.windows.1
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