#include <stdio.h>
#include <string.h>
#include <inttypes.h>
-#include <signal.h>
#include "cpu.h"
-#include "exec-all.h"
#include "qemu-common.h"
#include "kvm.h"
-#include "kvm_x86.h"
#ifndef CONFIG_USER_ONLY
#include "sysemu.h"
#include "monitor.h"
env->mxcsr = 0x1f80;
+ env->pat = 0x0007040600070406ULL;
+
memset(env->dr, 0, sizeof(env->dr));
env->dr[6] = DR6_FIXED_1;
env->dr[7] = DR7_FIXED_1;
fptag,
env->mxcsr);
for(i=0;i<8;i++) {
-#if defined(USE_X86LDOUBLE)
- union {
- long double d;
- struct {
- uint64_t lower;
- uint16_t upper;
- } l;
- } tmp;
- tmp.d = env->fpregs[i].d;
+ CPU_LDoubleU u;
+ u.d = env->fpregs[i].d;
cpu_fprintf(f, "FPR%d=%016" PRIx64 " %04x",
- i, tmp.l.lower, tmp.l.upper);
-#else
- cpu_fprintf(f, "FPR%d=%016" PRIx64,
- i, env->fpregs[i].mmx.q);
-#endif
+ i, u.l.lower, u.l.upper);
if ((i & 1) == 1)
cpu_fprintf(f, "\n");
else
prev_debug_excp_handler(env);
}
-static void
-qemu_inject_x86_mce(Monitor *mon, CPUState *cenv, int bank, uint64_t status,
- uint64_t mcg_status, uint64_t addr, uint64_t misc)
+typedef struct MCEInjectionParams {
+ Monitor *mon;
+ CPUState *env;
+ int bank;
+ uint64_t status;
+ uint64_t mcg_status;
+ uint64_t addr;
+ uint64_t misc;
+ int flags;
+} MCEInjectionParams;
+
+static void do_inject_x86_mce(void *data)
{
- uint64_t mcg_cap = cenv->mcg_cap;
- uint64_t *banks = cenv->mce_banks + 4 * bank;
+ MCEInjectionParams *params = data;
+ CPUState *cenv = params->env;
+ uint64_t *banks = cenv->mce_banks + 4 * params->bank;
+
+ cpu_synchronize_state(cenv);
+
+ /*
+ * If there is an MCE exception being processed, ignore this SRAO MCE
+ * unless unconditional injection was requested.
+ */
+ if (!(params->flags & MCE_INJECT_UNCOND_AO)
+ && !(params->status & MCI_STATUS_AR)
+ && (cenv->mcg_status & MCG_STATUS_MCIP)) {
+ return;
+ }
- if (status & MCI_STATUS_UC) {
+ if (params->status & MCI_STATUS_UC) {
/*
* if MSR_MCG_CTL is not all 1s, the uncorrected error
* reporting is disabled
*/
- if ((mcg_cap & MCG_CTL_P) && cenv->mcg_ctl != ~(uint64_t)0) {
- monitor_printf(mon,
+ if ((cenv->mcg_cap & MCG_CTL_P) && cenv->mcg_ctl != ~(uint64_t)0) {
+ monitor_printf(params->mon,
"CPU %d: Uncorrected error reporting disabled\n",
cenv->cpu_index);
return;
* reporting is disabled for the bank
*/
if (banks[0] != ~(uint64_t)0) {
- monitor_printf(mon, "CPU %d: Uncorrected error reporting disabled "
- "for bank %d\n", cenv->cpu_index, bank);
+ monitor_printf(params->mon,
+ "CPU %d: Uncorrected error reporting disabled for"
+ " bank %d\n",
+ cenv->cpu_index, params->bank);
return;
}
if ((cenv->mcg_status & MCG_STATUS_MCIP) ||
!(cenv->cr[4] & CR4_MCE_MASK)) {
- monitor_printf(mon, "CPU %d: Previous MCE still in progress, "
- "raising triple fault\n", cenv->cpu_index);
+ monitor_printf(params->mon,
+ "CPU %d: Previous MCE still in progress, raising"
+ " triple fault\n",
+ cenv->cpu_index);
qemu_log_mask(CPU_LOG_RESET, "Triple fault\n");
qemu_system_reset_request();
return;
}
if (banks[1] & MCI_STATUS_VAL) {
- status |= MCI_STATUS_OVER;
+ params->status |= MCI_STATUS_OVER;
}
- banks[2] = addr;
- banks[3] = misc;
- cenv->mcg_status = mcg_status;
- banks[1] = status;
+ banks[2] = params->addr;
+ banks[3] = params->misc;
+ cenv->mcg_status = params->mcg_status;
+ banks[1] = params->status;
cpu_interrupt(cenv, CPU_INTERRUPT_MCE);
} else if (!(banks[1] & MCI_STATUS_VAL)
|| !(banks[1] & MCI_STATUS_UC)) {
if (banks[1] & MCI_STATUS_VAL) {
- status |= MCI_STATUS_OVER;
+ params->status |= MCI_STATUS_OVER;
}
- banks[2] = addr;
- banks[3] = misc;
- banks[1] = status;
+ banks[2] = params->addr;
+ banks[3] = params->misc;
+ banks[1] = params->status;
} else {
banks[1] |= MCI_STATUS_OVER;
}
void cpu_x86_inject_mce(Monitor *mon, CPUState *cenv, int bank,
uint64_t status, uint64_t mcg_status, uint64_t addr,
- uint64_t misc, int broadcast)
+ uint64_t misc, int flags)
{
+ MCEInjectionParams params = {
+ .mon = mon,
+ .env = cenv,
+ .bank = bank,
+ .status = status,
+ .mcg_status = mcg_status,
+ .addr = addr,
+ .misc = misc,
+ .flags = flags,
+ };
unsigned bank_num = cenv->mcg_cap & 0xff;
CPUState *env;
- int flag = 0;
if (!cenv->mcg_cap) {
monitor_printf(mon, "MCE injection not supported\n");
monitor_printf(mon, "Invalid MCE status code\n");
return;
}
- if (broadcast && !cpu_x86_support_mca_broadcast(cenv)) {
+ if ((flags & MCE_INJECT_BROADCAST)
+ && !cpu_x86_support_mca_broadcast(cenv)) {
monitor_printf(mon, "Guest CPU does not support MCA broadcast\n");
return;
}
- if (kvm_enabled()) {
- if (broadcast) {
- flag |= MCE_BROADCAST;
- }
-
- kvm_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc, flag);
- } else {
- qemu_inject_x86_mce(mon, cenv, bank, status, mcg_status, addr, misc);
- if (broadcast) {
- for (env = first_cpu; env != NULL; env = env->next_cpu) {
- if (cenv == env) {
- continue;
- }
- qemu_inject_x86_mce(mon, env, 1,
- MCI_STATUS_VAL | MCI_STATUS_UC,
- MCG_STATUS_MCIP | MCG_STATUS_RIPV, 0, 0);
+ run_on_cpu(cenv, do_inject_x86_mce, ¶ms);
+ if (flags & MCE_INJECT_BROADCAST) {
+ params.bank = 1;
+ params.status = MCI_STATUS_VAL | MCI_STATUS_UC;
+ params.mcg_status = MCG_STATUS_MCIP | MCG_STATUS_RIPV;
+ params.addr = 0;
+ params.misc = 0;
+ for (env = first_cpu; env != NULL; env = env->next_cpu) {
+ if (cenv == env) {
+ continue;
}
+ params.env = env;
+ run_on_cpu(cenv, do_inject_x86_mce, ¶ms);
}
}
}
void do_cpu_init(CPUState *env)
{
int sipi = env->interrupt_request & CPU_INTERRUPT_SIPI;
+ uint64_t pat = env->pat;
+
cpu_reset(env);
env->interrupt_request = sipi;
+ env->pat = pat;
apic_init_reset(env->apic_state);
env->halted = !cpu_is_bsp(env);
}
projects / qemu.git / blobdiff