qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Babu Moger <babu.moger@amd.com>
To: mst@redhat.com, marcel@redhat.com, pbonzini@redhat.com,
	rth@twiddle.net, ehabkost@redhat.com, mtosatti@redhat.com
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, kash@tripleback.net,
	babu.moger@amd.com
Subject: [Qemu-devel] [PATCH v5 2/9] i386: Add cache information in X86CPUDefinition
Date: Tue, 27 Mar 2018 17:31:04 -0400	[thread overview]
Message-ID: <1522186271-27743-3-git-send-email-babu.moger@amd.com> (raw)
In-Reply-To: <1522186271-27743-1-git-send-email-babu.moger@amd.com>

Add cache information in X86CPUDefinition and CPUX86State.

Signed-off-by: Babu Moger <babu.moger@amd.com>
---
 target/i386/cpu.c | 4 ++++
 target/i386/cpu.h | 8 ++++++++
 2 files changed, 12 insertions(+)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index da59dc4..eec4a97 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1102,6 +1102,7 @@ struct X86CPUDefinition {
     int stepping;
     FeatureWordArray features;
     const char *model_id;
+    CPUCaches cache_info;
 };
 
 static X86CPUDefinition builtin_x86_defs[] = {
@@ -3239,6 +3240,9 @@ static void x86_cpu_load_def(X86CPU *cpu, X86CPUDefinition *def, Error **errp)
         env->features[w] = def->features[w];
     }
 
+    /* Load Cache information from the X86CPUDefinition */
+    memcpy(&env->cache_info, &def->cache_info, sizeof(CPUCaches));
+
     /* Special cases not set in the X86CPUDefinition structs: */
     /* TODO: in-kernel irqchip for hvf */
     if (kvm_enabled()) {
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 79d5ccf..806c34b 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -1096,6 +1096,13 @@ typedef struct CPUCacheInfo {
 } CPUCacheInfo;
 
 
+typedef struct CPUCaches {
+        bool valid;
+        CPUCacheInfo l1d_cache;
+        CPUCacheInfo l1i_cache;
+        CPUCacheInfo l2_cache;
+        CPUCacheInfo l3_cache;
+} CPUCaches;
 
 typedef struct CPUX86State {
     /* standard registers */
@@ -1282,6 +1289,7 @@ typedef struct CPUX86State {
     /* Features that were explicitly enabled/disabled */
     FeatureWordArray user_features;
     uint32_t cpuid_model[12];
+    CPUCaches cache_info;
 
     /* MTRRs */
     uint64_t mtrr_fixed[11];
-- 
1.8.3.1

  parent reply	other threads:[~2018-03-27 21:31 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-27 21:31 [Qemu-devel] [PATCH v5 0/9] i386: Enable TOPOEXT to support hyperthreading on AMD CPU Babu Moger
2018-03-27 21:31 ` [Qemu-devel] [PATCH v5 1/9] i386: Helpers to encode cache information consistently Babu Moger
2018-03-27 21:31 ` Babu Moger [this message]
2018-03-27 21:31 ` [Qemu-devel] [PATCH v5 3/9] i386: Initialize cache information for EPYC family processors Babu Moger
2018-03-27 21:31 ` [Qemu-devel] [PATCH v5 4/9] i386: Add new property to control cache info Babu Moger
2018-04-09 16:59   ` Alexandr Iarygin
2018-04-09 19:51     ` Moger, Babu
2018-04-09 20:07       ` Eduardo Habkost
2018-03-27 21:31 ` [Qemu-devel] [PATCH v5 5/9] i386: Use the statically loaded cache definitions Babu Moger
2018-03-27 21:31 ` [Qemu-devel] [PATCH v5 6/9] i386: Populate AMD Processor Cache Information for cpuid 0x8000001D Babu Moger
2018-03-27 21:31 ` [Qemu-devel] [PATCH v5 7/9] i386: Add support for CPUID_8000_001E for AMD Babu Moger
2018-03-27 21:31 ` [Qemu-devel] [PATCH v5 8/9] i386: Enable TOPOEXT feature on AMD EPYC CPU Babu Moger
2018-03-27 21:31 ` [Qemu-devel] [PATCH v5 9/9] i386: Remove generic SMT thread check Babu Moger
2018-04-09  2:58 ` [Qemu-devel] [PATCH v5 0/9] i386: Enable TOPOEXT to support hyperthreading on AMD CPU Moger, Babu

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=1522186271-27743-3-git-send-email-babu.moger@amd.com \
    --to=babu.moger@amd.com \
    --cc=ehabkost@redhat.com \
    --cc=kash@tripleback.net \
    --cc=kvm@vger.kernel.org \
    --cc=marcel@redhat.com \
    --cc=mst@redhat.com \
    --cc=mtosatti@redhat.com \
    --cc=pbonzini@redhat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=rth@twiddle.net \
    /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).