*/
#include "qemu/osdep.h"
-#include "qapi/error.h"
#include "cpu.h"
#include "internal.h"
#include "exec/gdbstub.h"
#include "qemu/timer.h"
#include "exec/exec-all.h"
#include "hw/s390x/ioinst.h"
+#include "sysemu/hw_accel.h"
#ifndef CONFIG_USER_ONLY
#include "sysemu/sysemu.h"
#endif
-//#define DEBUG_S390
-//#define DEBUG_S390_STDOUT
-
-#ifdef DEBUG_S390
-#ifdef DEBUG_S390_STDOUT
-#define DPRINTF(fmt, ...) \
- do { fprintf(stderr, fmt, ## __VA_ARGS__); \
- if (qemu_log_separate()) qemu_log(fmt, ##__VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) \
- do { qemu_log(fmt, ## __VA_ARGS__); } while (0)
-#endif
-#else
-#define DPRINTF(fmt, ...) \
- do { } while (0)
-#endif
-
-
#ifndef CONFIG_USER_ONLY
void s390x_tod_timer(void *opaque)
{
- S390CPU *cpu = opaque;
- CPUS390XState *env = &cpu->env;
-
- env->pending_int |= INTERRUPT_TOD;
- cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
+ cpu_inject_clock_comparator((S390CPU *) opaque);
}
void s390x_cpu_timer(void *opaque)
{
- S390CPU *cpu = opaque;
- CPUS390XState *env = &cpu->env;
-
- env->pending_int |= INTERRUPT_CPUTIMER;
- cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
+ cpu_inject_cpu_timer((S390CPU *) opaque);
}
#endif
-S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id, Error **errp)
-{
- S390CPU *cpu = S390_CPU(object_new(typename));
- Error *err = NULL;
-
- object_property_set_int(OBJECT(cpu), core_id, "core-id", &err);
- if (err != NULL) {
- goto out;
- }
- object_property_set_bool(OBJECT(cpu), true, "realized", &err);
-
-out:
- if (err) {
- error_propagate(errp, err);
- object_unref(OBJECT(cpu));
- cpu = NULL;
- }
- return cpu;
-}
-
#ifndef CONFIG_USER_ONLY
hwaddr s390_cpu_get_phys_page_debug(CPUState *cs, vaddr vaddr)
return phys_addr;
}
+static inline bool is_special_wait_psw(uint64_t psw_addr)
+{
+ /* signal quiesce */
+ return psw_addr == 0xfffUL;
+}
+
+void s390_handle_wait(S390CPU *cpu)
+{
+ if (s390_cpu_halt(cpu) == 0) {
+#ifndef CONFIG_USER_ONLY
+ if (is_special_wait_psw(cpu->env.psw.addr)) {
+ qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
+ } else {
+ qemu_system_guest_panicked(NULL);
+ }
+#endif
+ }
+}
+
void load_psw(CPUS390XState *env, uint64_t mask, uint64_t addr)
{
uint64_t old_mask = env->psw.mask;
s390_cpu_recompute_watchpoints(CPU(s390_env_get_cpu(env)));
}
- if (mask & PSW_MASK_WAIT) {
- S390CPU *cpu = s390_env_get_cpu(env);
- if (s390_cpu_halt(cpu) == 0) {
-#ifndef CONFIG_USER_ONLY
- qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
-#endif
- }
+ /* KVM will handle all WAITs and trigger a WAIT exit on disabled_wait */
+ if (tcg_enabled() && (mask & PSW_MASK_WAIT)) {
+ s390_handle_wait(s390_env_get_cpu(env));
}
}
addr = be64_to_cpu(lowcore->restart_new_psw.addr);
cpu_unmap_lowcore(lowcore);
+ env->pending_int &= ~INTERRUPT_RESTART;
load_psw(env, mask, addr);
}
}
}
+struct sigp_save_area {
+ uint64_t fprs[16]; /* 0x0000 */
+ uint64_t grs[16]; /* 0x0080 */
+ PSW psw; /* 0x0100 */
+ uint8_t pad_0x0110[0x0118 - 0x0110]; /* 0x0110 */
+ uint32_t prefix; /* 0x0118 */
+ uint32_t fpc; /* 0x011c */
+ uint8_t pad_0x0120[0x0124 - 0x0120]; /* 0x0120 */
+ uint32_t todpr; /* 0x0124 */
+ uint64_t cputm; /* 0x0128 */
+ uint64_t ckc; /* 0x0130 */
+ uint8_t pad_0x0138[0x0140 - 0x0138]; /* 0x0138 */
+ uint32_t ars[16]; /* 0x0140 */
+ uint64_t crs[16]; /* 0x0384 */
+};
+QEMU_BUILD_BUG_ON(sizeof(struct sigp_save_area) != 512);
+
+int s390_store_status(S390CPU *cpu, hwaddr addr, bool store_arch)
+{
+ static const uint8_t ar_id = 1;
+ struct sigp_save_area *sa;
+ hwaddr len = sizeof(*sa);
+ int i;
+
+ sa = cpu_physical_memory_map(addr, &len, 1);
+ if (!sa) {
+ return -EFAULT;
+ }
+ if (len != sizeof(*sa)) {
+ cpu_physical_memory_unmap(sa, len, 1, 0);
+ return -EFAULT;
+ }
+
+ if (store_arch) {
+ cpu_physical_memory_write(offsetof(LowCore, ar_access_id), &ar_id, 1);
+ }
+ for (i = 0; i < 16; ++i) {
+ sa->fprs[i] = cpu_to_be64(get_freg(&cpu->env, i)->ll);
+ }
+ for (i = 0; i < 16; ++i) {
+ sa->grs[i] = cpu_to_be64(cpu->env.regs[i]);
+ }
+ sa->psw.addr = cpu_to_be64(cpu->env.psw.addr);
+ sa->psw.mask = cpu_to_be64(get_psw_mask(&cpu->env));
+ sa->prefix = cpu_to_be32(cpu->env.psa);
+ sa->fpc = cpu_to_be32(cpu->env.fpc);
+ sa->todpr = cpu_to_be32(cpu->env.todpr);
+ sa->cputm = cpu_to_be64(cpu->env.cputm);
+ sa->ckc = cpu_to_be64(cpu->env.ckc >> 8);
+ for (i = 0; i < 16; ++i) {
+ sa->ars[i] = cpu_to_be32(cpu->env.aregs[i]);
+ }
+ for (i = 0; i < 16; ++i) {
+ sa->crs[i] = cpu_to_be64(cpu->env.cregs[i]);
+ }
+
+ cpu_physical_memory_unmap(sa, len, 1, len);
+
+ return 0;
+}
+
+#define ADTL_GS_OFFSET 1024 /* offset of GS data in adtl save area */
+#define ADTL_GS_MIN_SIZE 2048 /* minimal size of adtl save area for GS */
+int s390_store_adtl_status(S390CPU *cpu, hwaddr addr, hwaddr len)
+{
+ hwaddr save = len;
+ void *mem;
+
+ mem = cpu_physical_memory_map(addr, &save, 1);
+ if (!mem) {
+ return -EFAULT;
+ }
+ if (save != len) {
+ cpu_physical_memory_unmap(mem, len, 1, 0);
+ return -EFAULT;
+ }
+
+ /* FIXME: as soon as TCG supports these features, convert cpu->be */
+ if (s390_has_feat(S390_FEAT_VECTOR)) {
+ memcpy(mem, &cpu->env.vregs, 512);
+ }
+ if (s390_has_feat(S390_FEAT_GUARDED_STORAGE) && len >= ADTL_GS_MIN_SIZE) {
+ memcpy(mem + ADTL_GS_OFFSET, &cpu->env.gscb, 32);
+ }
+
+ cpu_physical_memory_unmap(mem, len, 1, len);
+
+ return 0;
+}
#endif /* CONFIG_USER_ONLY */
void s390_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
projects / qemu.git / blobdiff