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authorPeter Maydell <peter.maydell@linaro.org>2019-03-11 18:26:37 +0000
committerPeter Maydell <peter.maydell@linaro.org>2019-03-11 18:26:37 +0000
commit377b155bde451d5ac545fbdcdfbf6ca17a4228f5 (patch)
treebb2acb6d1d3faae019898cadbcac17ec3b964a2f /target
parentc8761809385db04513b87af321c5feec82475421 (diff)
parent328eb60dc1a19448b36eb63901ca0b8f87ed6f57 (diff)
Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* allow building QEMU without TCG or KVM support (Anthony) * update AMD IOMMU copyright (David) * compilation fixes for GCC and BSDs (Alexey, David, Paolo, Philippe) * coalesced I/O bugfix (Jagannathan) * Processor Tracing cpuid fix (Luwei) * Kconfig fixes (Paolo, David) * Cleanups (Paolo, Wei) * PVH vs. multiboot fix (Stefano) * LSI bugfixes (Sven) * elf2dmp Coverity fix (Victor) * scsi-disk fix (Zhengui) * authorization support for chardev TLS (Daniel) # gpg: Signature made Mon 11 Mar 2019 16:12:00 GMT # gpg: using RSA key BFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full] # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full] # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (31 commits) qemugdb: fix licensing chardev: add support for authorization for TLS clients qom: cpu: destroy work_mutex in cpu_common_finalize exec.c: refactor function flatview_add_to_dispatch() lsi: 810/895A are always little endian lsi: return dfifo value lsi: use SCSI phase names instead of numbers in trace lsi: use enum type for s->msg_action lsi: use enum type for s->waiting lsi: use ldn_le_p()/stn_le_p() scsi-disk: Fix crash if request is invaild or disk is no medium configure: Disable W^X on OpenBSD oslib-posix: Ignore fcntl("/dev/null", F_SETFL, O_NONBLOCK) failure accel: Allow to build QEMU without TCG or KVM support build: clean trace/generated-helpers.c build: remove unnecessary assignments from Makefile.target build: get rid of target-obj-y update copyright notice lsi: check if SIGP bit is already set in Wait reselect lsi: implement basic SBCL functionality ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target')
-rw-r--r--target/i386/Makefile.objs2
-rw-r--r--target/i386/cpu.c9
-rw-r--r--target/i386/cpu.h3
3 files changed, 13 insertions, 1 deletions
diff --git a/target/i386/Makefile.objs b/target/i386/Makefile.objs
index cb9c265525..48e0c28434 100644
--- a/target/i386/Makefile.objs
+++ b/target/i386/Makefile.objs
@@ -3,10 +3,10 @@ obj-$(CONFIG_TCG) += translate.o
obj-$(CONFIG_TCG) += bpt_helper.o cc_helper.o excp_helper.o fpu_helper.o
obj-$(CONFIG_TCG) += int_helper.o mem_helper.o misc_helper.o mpx_helper.o
obj-$(CONFIG_TCG) += seg_helper.o smm_helper.o svm_helper.o
+obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o
ifeq ($(CONFIG_SOFTMMU),y)
obj-y += machine.o arch_memory_mapping.o arch_dump.o monitor.o
obj-$(CONFIG_KVM) += kvm.o
-obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o
obj-$(CONFIG_HYPERV) += hyperv.o
obj-$(call lnot,$(CONFIG_HYPERV)) += hyperv-stub.o
ifeq ($(CONFIG_WIN32),y)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index d3aa6a815b..d90c01a059 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -5031,6 +5031,13 @@ static void x86_cpu_expand_features(X86CPU *cpu, Error **errp)
x86_cpu_adjust_feat_level(cpu, FEAT_C000_0001_EDX);
x86_cpu_adjust_feat_level(cpu, FEAT_SVM);
x86_cpu_adjust_feat_level(cpu, FEAT_XSAVE);
+
+ /* Intel Processor Trace requires CPUID[0x14] */
+ if ((env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_INTEL_PT) &&
+ kvm_enabled() && cpu->intel_pt_auto_level) {
+ x86_cpu_adjust_level(cpu, &cpu->env.cpuid_min_level, 0x14);
+ }
+
/* SVM requires CPUID[0x8000000A] */
if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) {
x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000000A);
@@ -5824,6 +5831,8 @@ static Property x86_cpu_properties[] = {
DEFINE_PROP_INT32("x-hv-max-vps", X86CPU, hv_max_vps, -1),
DEFINE_PROP_BOOL("x-hv-synic-kvm-only", X86CPU, hyperv_synic_kvm_only,
false),
+ DEFINE_PROP_BOOL("x-intel-pt-auto-level", X86CPU, intel_pt_auto_level,
+ true),
DEFINE_PROP_END_OF_LIST()
};
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 95112b9118..83fb522554 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -1454,6 +1454,9 @@ struct X86CPU {
/* Enable auto level-increase for all CPUID leaves */
bool full_cpuid_auto_level;
+ /* Enable auto level-increase for Intel Processor Trace leave */
+ bool intel_pt_auto_level;
+
/* if true fill the top bits of the MTRR_PHYSMASKn variable range */
bool fill_mtrr_mask;