qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
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, xiaoyao.li@intel.com
Subject: [PATCH v3 2/8] target/i386/intel-pt: Fix INTEL_PT_ADDR_RANGES_NUM_MASK
Date: Thu,  8 Dec 2022 14:25:07 +0800	[thread overview]
Message-ID: <20221208062513.2589476-3-xiaoyao.li@intel.com> (raw)
In-Reply-To: <20221208062513.2589476-1-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 8d95202f6a42..9ae36639d380 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -570,7 +570,7 @@ 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 */
-- 
2.27.0



  parent reply	other threads:[~2022-12-08  6:27 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-08  6:25 [PATCH v3 0/8] Make Intel PT configurable Xiaoyao Li
2022-12-08  6:25 ` [PATCH v3 1/8] target/i386: Print CPUID subleaf info for unsupported feature Xiaoyao Li
2022-12-08  6:25 ` Xiaoyao Li [this message]
2022-12-08  6:25 ` [PATCH v3 3/8] target/i386/intel-pt: Introduce FeatureWordInfo for Intel PT CPUID leaf 0x14 Xiaoyao Li
2022-12-08  6:25 ` [PATCH v3 4/8] target/i386/intel-pt: print special message for INTEL_PT_ADDR_RANGES_NUM Xiaoyao Li
2022-12-09  6:43   ` Chenyi Qiang
2022-12-13 12:09     ` Xiaoyao Li
2022-12-14  1:48       ` Chenyi Qiang
2022-12-08  6:25 ` [PATCH v3 5/8] target/i386/intel-pt: Rework/rename the default INTEL-PT feature set Xiaoyao Li
2022-12-08  6:25 ` [PATCH v3 6/8] target/i386/intel-pt: Enable host pass through of Intel PT Xiaoyao Li
2022-12-09  6:55   ` Chenyi Qiang
2022-12-13 12:15     ` Xiaoyao Li
2023-02-21  5:14   ` Wang, Lei
2023-02-21  9:37     ` Xiaoyao Li
2022-12-08  6:25 ` [PATCH v3 7/8] target/i386/intel-pt: Define specific PT feature set for IceLake-server and Snowridge Xiaoyao Li
2022-12-09  7:11   ` Chenyi Qiang
2022-12-08  6:25 ` [PATCH v3 8/8] target/i386/intel-pt: Access MSR_IA32_RTIT_ADDRn based on guest CPUID configuration Xiaoyao Li

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20221208062513.2589476-3-xiaoyao.li@intel.com \
    --to=xiaoyao.li@intel.com \
    --cc=kvm@vger.kernel.org \
    --cc=mtosatti@redhat.com \
    --cc=pbonzini@redhat.com \
    --cc=qemu-devel@nongnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).