From: Xiaoyao Li <xiaoyao.li@intel.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
Marcelo Tosatti <mtosatti@redhat.com>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org,
Chenyi Qiang <chenyi.qiang@intel.com>,
lei4.wang@intel.com
Subject: [PATCH v4 2/8] target/i386/intel-pt: Fix INTEL_PT_ADDR_RANGES_NUM_MASK
Date: Wed, 31 May 2023 04:43:05 -0400 [thread overview]
Message-ID: <20230531084311.3807277-3-xiaoyao.li@intel.com> (raw)
In-Reply-To: <20230531084311.3807277-1-xiaoyao.li@intel.com>
Per Intel SDM, bits 2:0 of CPUID(0x14,0x1).EAX indicate the number of
address ranges for INTEL-PT.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
---
target/i386/cpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 88e90c1f7b7c..7d2f20c84c7a 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -573,7 +573,7 @@ static CPUCacheInfo legacy_l3_cache = {
/* generated packets which contain IP payloads have LIP values */
#define INTEL_PT_IP_LIP (1 << 31)
#define INTEL_PT_ADDR_RANGES_NUM 0x2 /* Number of configurable address ranges */
-#define INTEL_PT_ADDR_RANGES_NUM_MASK 0x3
+#define INTEL_PT_ADDR_RANGES_NUM_MASK 0x7
#define INTEL_PT_MTC_BITMAP (0x0249 << 16) /* Support ART(0,3,6,9) */
#define INTEL_PT_CYCLE_BITMAP 0x1fff /* Support 0,2^(0~11) */
#define INTEL_PT_PSB_BITMAP (0x003f << 16) /* Support 2K,4K,8K,16K,32K,64K */
--
2.34.1
next prev parent reply other threads:[~2023-05-31 8:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-31 8:43 [PATCH v4 0/8] i386: Make Intel PT configurable Xiaoyao Li
2023-05-31 8:43 ` [PATCH v4 1/8] target/i386: Print CPUID subleaf info for unsupported feature Xiaoyao Li
2023-05-31 8:43 ` Xiaoyao Li [this message]
2023-05-31 8:43 ` [PATCH v4 3/8] target/i386/intel-pt: Introduce FeatureWordInfo for Intel PT CPUID leaf 0x14 Xiaoyao Li
2023-05-31 8:43 ` [PATCH v4 4/8] target/i386/intel-pt: print special message for INTEL_PT_ADDR_RANGES_NUM Xiaoyao Li
2023-05-31 8:43 ` [PATCH v4 5/8] target/i386/intel-pt: Rework/rename the default INTEL-PT feature set Xiaoyao Li
2023-05-31 8:43 ` [PATCH v4 6/8] target/i386/intel-pt: Enable host pass through of Intel PT Xiaoyao Li
2023-05-31 8:43 ` [PATCH v4 7/8] target/i386/intel-pt: Define specific PT feature set for IceLake-server, Snowridge and SapphireRapids Xiaoyao Li
2023-05-31 8:43 ` [PATCH v4 8/8] target/i386/intel-pt: Access MSR_IA32_RTIT_ADDRn based on guest CPUID configuration Xiaoyao Li
2023-07-03 2:03 ` [PATCH v4 0/8] i386: Make Intel PT configurable Xiaoyao Li
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