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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:18:31 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:42:15 +0300
commit437fd90c0250dee670290f9b714253671a990160 (patch)
treeb871786c360704244a07411c69fb58da9ead4a06 /qemu/target-i386/machine.c
parent5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff)
These changes are the raw update to qemu-2.6.
Collission happened in the following patches: migration: do cleanup operation after completion(738df5b9) Bug fix.(1750c932f86) kvmclock: add a new function to update env->tsc.(b52baab2) The code provided by the patches was already in the upstreamed version. Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/target-i386/machine.c')
-rw-r--r--qemu/target-i386/machine.c218
1 files changed, 195 insertions, 23 deletions
diff --git a/qemu/target-i386/machine.c b/qemu/target-i386/machine.c
index a0df64b57..ee5b94922 100644
--- a/qemu/target-i386/machine.c
+++ b/qemu/target-i386/machine.c
@@ -1,3 +1,4 @@
+#include "qemu/osdep.h"
#include "hw/hw.h"
#include "hw/boards.h"
#include "hw/i386/pc.h"
@@ -6,6 +7,8 @@
#include "cpu.h"
#include "sysemu/kvm.h"
+#include "qemu/error-report.h"
+
static const VMStateDescription vmstate_segment = {
.name = "segment",
.version_id = 1,
@@ -36,15 +39,15 @@ static const VMStateDescription vmstate_xmm_reg = {
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
- VMSTATE_UINT64(XMM_Q(0), XMMReg),
- VMSTATE_UINT64(XMM_Q(1), XMMReg),
+ VMSTATE_UINT64(ZMM_Q(0), ZMMReg),
+ VMSTATE_UINT64(ZMM_Q(1), ZMMReg),
VMSTATE_END_OF_LIST()
}
};
#define VMSTATE_XMM_REGS(_field, _state, _start) \
VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0, \
- vmstate_xmm_reg, XMMReg)
+ vmstate_xmm_reg, ZMMReg)
/* YMMH format is the same as XMM, but for bits 128-255 */
static const VMStateDescription vmstate_ymmh_reg = {
@@ -52,32 +55,32 @@ static const VMStateDescription vmstate_ymmh_reg = {
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
- VMSTATE_UINT64(XMM_Q(2), XMMReg),
- VMSTATE_UINT64(XMM_Q(3), XMMReg),
+ VMSTATE_UINT64(ZMM_Q(2), ZMMReg),
+ VMSTATE_UINT64(ZMM_Q(3), ZMMReg),
VMSTATE_END_OF_LIST()
}
};
#define VMSTATE_YMMH_REGS_VARS(_field, _state, _start, _v) \
VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, _v, \
- vmstate_ymmh_reg, XMMReg)
+ vmstate_ymmh_reg, ZMMReg)
static const VMStateDescription vmstate_zmmh_reg = {
.name = "zmmh_reg",
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
- VMSTATE_UINT64(XMM_Q(4), XMMReg),
- VMSTATE_UINT64(XMM_Q(5), XMMReg),
- VMSTATE_UINT64(XMM_Q(6), XMMReg),
- VMSTATE_UINT64(XMM_Q(7), XMMReg),
+ VMSTATE_UINT64(ZMM_Q(4), ZMMReg),
+ VMSTATE_UINT64(ZMM_Q(5), ZMMReg),
+ VMSTATE_UINT64(ZMM_Q(6), ZMMReg),
+ VMSTATE_UINT64(ZMM_Q(7), ZMMReg),
VMSTATE_END_OF_LIST()
}
};
#define VMSTATE_ZMMH_REGS_VARS(_field, _state, _start) \
VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0, \
- vmstate_zmmh_reg, XMMReg)
+ vmstate_zmmh_reg, ZMMReg)
#ifdef TARGET_X86_64
static const VMStateDescription vmstate_hi16_zmm_reg = {
@@ -85,21 +88,21 @@ static const VMStateDescription vmstate_hi16_zmm_reg = {
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
- VMSTATE_UINT64(XMM_Q(0), XMMReg),
- VMSTATE_UINT64(XMM_Q(1), XMMReg),
- VMSTATE_UINT64(XMM_Q(2), XMMReg),
- VMSTATE_UINT64(XMM_Q(3), XMMReg),
- VMSTATE_UINT64(XMM_Q(4), XMMReg),
- VMSTATE_UINT64(XMM_Q(5), XMMReg),
- VMSTATE_UINT64(XMM_Q(6), XMMReg),
- VMSTATE_UINT64(XMM_Q(7), XMMReg),
+ VMSTATE_UINT64(ZMM_Q(0), ZMMReg),
+ VMSTATE_UINT64(ZMM_Q(1), ZMMReg),
+ VMSTATE_UINT64(ZMM_Q(2), ZMMReg),
+ VMSTATE_UINT64(ZMM_Q(3), ZMMReg),
+ VMSTATE_UINT64(ZMM_Q(4), ZMMReg),
+ VMSTATE_UINT64(ZMM_Q(5), ZMMReg),
+ VMSTATE_UINT64(ZMM_Q(6), ZMMReg),
+ VMSTATE_UINT64(ZMM_Q(7), ZMMReg),
VMSTATE_END_OF_LIST()
}
};
#define VMSTATE_Hi16_ZMM_REGS_VARS(_field, _state, _start) \
VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, CPU_NB_REGS, 0, \
- vmstate_hi16_zmm_reg, XMMReg)
+ vmstate_hi16_zmm_reg, ZMMReg)
#endif
static const VMStateDescription vmstate_bnd_regs = {
@@ -331,6 +334,13 @@ static int cpu_post_load(void *opaque, int version_id)
CPUX86State *env = &cpu->env;
int i;
+ if (env->tsc_khz && env->user_tsc_khz &&
+ env->tsc_khz != env->user_tsc_khz) {
+ error_report("Mismatch between user-specified TSC frequency and "
+ "migrated TSC frequency");
+ return -EINVAL;
+ }
+
/*
* Real mode guest segments register DPL should be zero.
* Older KVM version were setting it wrongly.
@@ -367,8 +377,12 @@ static int cpu_post_load(void *opaque, int version_id)
cpu_breakpoint_remove_all(cs, BP_CPU);
cpu_watchpoint_remove_all(cs, BP_CPU);
- for (i = 0; i < DR7_MAX_BP; i++) {
- hw_breakpoint_insert(env, i);
+ {
+ /* Indicate all breakpoints disabled, as they are, then
+ let the helper re-enable them. */
+ target_ulong dr7 = env->dr[7];
+ env->dr[7] = dr7 & ~(DR7_GLOBAL_BP_MASK | DR7_LOCAL_BP_MASK);
+ cpu_x86_update_dr7(env, dr7);
}
tlb_flush(cs, 1);
@@ -661,6 +675,115 @@ static const VMStateDescription vmstate_msr_hyperv_time = {
}
};
+static bool hyperv_crash_enable_needed(void *opaque)
+{
+ X86CPU *cpu = opaque;
+ CPUX86State *env = &cpu->env;
+ int i;
+
+ for (i = 0; i < HV_X64_MSR_CRASH_PARAMS; i++) {
+ if (env->msr_hv_crash_params[i]) {
+ return true;
+ }
+ }
+ return false;
+}
+
+static const VMStateDescription vmstate_msr_hyperv_crash = {
+ .name = "cpu/msr_hyperv_crash",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = hyperv_crash_enable_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT64_ARRAY(env.msr_hv_crash_params,
+ X86CPU, HV_X64_MSR_CRASH_PARAMS),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static bool hyperv_runtime_enable_needed(void *opaque)
+{
+ X86CPU *cpu = opaque;
+ CPUX86State *env = &cpu->env;
+
+ return env->msr_hv_runtime != 0;
+}
+
+static const VMStateDescription vmstate_msr_hyperv_runtime = {
+ .name = "cpu/msr_hyperv_runtime",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = hyperv_runtime_enable_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT64(env.msr_hv_runtime, X86CPU),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static bool hyperv_synic_enable_needed(void *opaque)
+{
+ X86CPU *cpu = opaque;
+ CPUX86State *env = &cpu->env;
+ int i;
+
+ if (env->msr_hv_synic_control != 0 ||
+ env->msr_hv_synic_evt_page != 0 ||
+ env->msr_hv_synic_msg_page != 0) {
+ return true;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(env->msr_hv_synic_sint); i++) {
+ if (env->msr_hv_synic_sint[i] != 0) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+static const VMStateDescription vmstate_msr_hyperv_synic = {
+ .name = "cpu/msr_hyperv_synic",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = hyperv_synic_enable_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT64(env.msr_hv_synic_control, X86CPU),
+ VMSTATE_UINT64(env.msr_hv_synic_evt_page, X86CPU),
+ VMSTATE_UINT64(env.msr_hv_synic_msg_page, X86CPU),
+ VMSTATE_UINT64_ARRAY(env.msr_hv_synic_sint, X86CPU,
+ HV_SYNIC_SINT_COUNT),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static bool hyperv_stimer_enable_needed(void *opaque)
+{
+ X86CPU *cpu = opaque;
+ CPUX86State *env = &cpu->env;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(env->msr_hv_stimer_config); i++) {
+ if (env->msr_hv_stimer_config[i] || env->msr_hv_stimer_count[i]) {
+ return true;
+ }
+ }
+ return false;
+}
+
+static const VMStateDescription vmstate_msr_hyperv_stimer = {
+ .name = "cpu/msr_hyperv_stimer",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = hyperv_stimer_enable_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT64_ARRAY(env.msr_hv_stimer_config,
+ X86CPU, HV_SYNIC_STIMER_COUNT),
+ VMSTATE_UINT64_ARRAY(env.msr_hv_stimer_count,
+ X86CPU, HV_SYNIC_STIMER_COUNT),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static bool avx512_needed(void *opaque)
{
X86CPU *cpu = opaque;
@@ -674,7 +797,7 @@ static bool avx512_needed(void *opaque)
}
for (i = 0; i < CPU_NB_REGS; i++) {
-#define ENV_XMM(reg, field) (env->xmm_regs[reg].XMM_Q(field))
+#define ENV_XMM(reg, field) (env->xmm_regs[reg].ZMM_Q(field))
if (ENV_XMM(i, 4) || ENV_XMM(i, 6) ||
ENV_XMM(i, 5) || ENV_XMM(i, 7)) {
return true;
@@ -726,6 +849,47 @@ static const VMStateDescription vmstate_xss = {
}
};
+#ifdef TARGET_X86_64
+static bool pkru_needed(void *opaque)
+{
+ X86CPU *cpu = opaque;
+ CPUX86State *env = &cpu->env;
+
+ return env->pkru != 0;
+}
+
+static const VMStateDescription vmstate_pkru = {
+ .name = "cpu/pkru",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = pkru_needed,
+ .fields = (VMStateField[]){
+ VMSTATE_UINT32(env.pkru, X86CPU),
+ VMSTATE_END_OF_LIST()
+ }
+};
+#endif
+
+static bool tsc_khz_needed(void *opaque)
+{
+ X86CPU *cpu = opaque;
+ CPUX86State *env = &cpu->env;
+ MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
+ PCMachineClass *pcmc = PC_MACHINE_CLASS(mc);
+ return env->tsc_khz && pcmc->save_tsc_khz;
+}
+
+static const VMStateDescription vmstate_tsc_khz = {
+ .name = "cpu/tsc_khz",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = tsc_khz_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_INT64(env.tsc_khz, X86CPU),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
VMStateDescription vmstate_x86_cpu = {
.name = "cpu",
.version_id = 12,
@@ -842,8 +1006,16 @@ VMStateDescription vmstate_x86_cpu = {
&vmstate_msr_hypercall_hypercall,
&vmstate_msr_hyperv_vapic,
&vmstate_msr_hyperv_time,
+ &vmstate_msr_hyperv_crash,
+ &vmstate_msr_hyperv_runtime,
+ &vmstate_msr_hyperv_synic,
+ &vmstate_msr_hyperv_stimer,
&vmstate_avx512,
&vmstate_xss,
+ &vmstate_tsc_khz,
+#ifdef TARGET_X86_64
+ &vmstate_pkru,
+#endif
NULL
}
};