#include "cpu.h"
#include "exec/memory.h"
#include "qemu/host-utils.h"
-#include "helper.h"
+#include "exec/helper-proto.h"
#include <string.h>
#include "sysemu/kvm.h"
#include "qemu/timer.h"
+#include "exec/address-spaces.h"
#ifdef CONFIG_KVM
#include <linux/kvm.h>
#endif
+#include "exec/cpu_ldst.h"
+#include "hw/watchdog/wdt_diag288.h"
#if !defined(CONFIG_USER_ONLY)
-#include "exec/softmmu_exec.h"
#include "sysemu/cpus.h"
#include "sysemu/sysemu.h"
#include "hw/s390x/ebcdic.h"
+#include "hw/s390x/ipl.h"
#endif
/* #define DEBUG_HELPER */
void QEMU_NORETURN runtime_exception(CPUS390XState *env, int excp,
uintptr_t retaddr)
{
+ CPUState *cs = CPU(s390_env_get_cpu(env));
int t;
- env->exception_index = EXCP_PGM;
+ cs->exception_index = EXCP_PGM;
env->int_pgm_code = excp;
/* Use the (ultimate) callers address to find the insn that trapped. */
- cpu_restore_state(env, retaddr);
+ cpu_restore_state(cs, retaddr);
/* Advance past the insn. */
t = cpu_ldub_code(env, env->psw.addr);
env->int_pgm_ilen = t = get_ilen(t);
- env->psw.addr += 2 * t;
+ env->psw.addr += t;
- cpu_loop_exit(env);
+ cpu_loop_exit(cs);
}
/* Raise an exception statically from a TB. */
void HELPER(exception)(CPUS390XState *env, uint32_t excp)
{
+ CPUState *cs = CPU(s390_env_get_cpu(env));
+
HELPER_LOG("%s: exception %d\n", __func__, excp);
- env->exception_index = excp;
- cpu_loop_exit(env);
+ cs->exception_index = excp;
+ cpu_loop_exit(cs);
}
#ifndef CONFIG_USER_ONLY
void program_interrupt(CPUS390XState *env, uint32_t code, int ilen)
{
+ S390CPU *cpu = s390_env_get_cpu(env);
+
qemu_log_mask(CPU_LOG_INT, "program interrupt at %#" PRIx64 "\n",
env->psw.addr);
if (kvm_enabled()) {
#ifdef CONFIG_KVM
- kvm_s390_interrupt(s390_env_get_cpu(env), KVM_S390_PROGRAM_INT, code);
+ struct kvm_s390_irq irq = {
+ .type = KVM_S390_PROGRAM_INT,
+ .u.pgm.code = code,
+ };
+
+ kvm_s390_vcpu_interrupt(cpu, &irq);
#endif
} else {
+ CPUState *cs = CPU(cpu);
+
env->int_pgm_code = code;
env->int_pgm_ilen = ilen;
- env->exception_index = EXCP_PGM;
- cpu_loop_exit(env);
+ cs->exception_index = EXCP_PGM;
+ cpu_loop_exit(cs);
}
}
/* SCLP service call */
uint32_t HELPER(servc)(CPUS390XState *env, uint64_t r1, uint64_t r2)
{
- int r = sclp_service_call(r1, r2);
+ int r = sclp_service_call(env, r1, r2);
if (r < 0) {
program_interrupt(env, -r, 4);
return 0;
}
#ifndef CONFIG_USER_ONLY
-static void cpu_reset_all(void)
-{
- CPUState *cs;
- S390CPUClass *scc;
-
- CPU_FOREACH(cs) {
- scc = S390_CPU_GET_CLASS(cs);
- scc->cpu_reset(cs);
- }
-}
-
-static void cpu_full_reset_all(void)
-{
- CPUState *cpu;
-
- CPU_FOREACH(cpu) {
- cpu_reset(cpu);
- }
-}
-
static int modified_clear_reset(S390CPU *cpu)
{
S390CPUClass *scc = S390_CPU_GET_CLASS(cpu);
+ CPUState *t;
pause_all_vcpus();
cpu_synchronize_all_states();
- cpu_full_reset_all();
- io_subsystem_reset();
+ CPU_FOREACH(t) {
+ run_on_cpu(t, s390_do_cpu_full_reset, t);
+ }
+ cmma_reset(cpu);
+ subsystem_reset();
+ s390_crypto_reset();
scc->load_normal(CPU(cpu));
cpu_synchronize_all_post_reset();
resume_all_vcpus();
static int load_normal_reset(S390CPU *cpu)
{
S390CPUClass *scc = S390_CPU_GET_CLASS(cpu);
+ CPUState *t;
pause_all_vcpus();
cpu_synchronize_all_states();
- cpu_reset_all();
- io_subsystem_reset();
+ CPU_FOREACH(t) {
+ run_on_cpu(t, s390_do_cpu_reset, t);
+ }
+ cmma_reset(cpu);
+ subsystem_reset();
scc->initial_cpu_reset(CPU(cpu));
scc->load_normal(CPU(cpu));
cpu_synchronize_all_post_reset();
return 0;
}
+int handle_diag_288(CPUS390XState *env, uint64_t r1, uint64_t r3)
+{
+ uint64_t func = env->regs[r1];
+ uint64_t timeout = env->regs[r1 + 1];
+ uint64_t action = env->regs[r3];
+ Object *obj;
+ DIAG288State *diag288;
+ DIAG288Class *diag288_class;
+
+ if (r1 % 2 || action != 0) {
+ return -1;
+ }
+
+ /* Timeout must be more than 15 seconds except for timer deletion */
+ if (func != WDT_DIAG288_CANCEL && timeout < 15) {
+ return -1;
+ }
+
+ obj = object_resolve_path_type("", TYPE_WDT_DIAG288, NULL);
+ if (!obj) {
+ return -1;
+ }
+
+ diag288 = DIAG288(obj);
+ diag288_class = DIAG288_GET_CLASS(diag288);
+ return diag288_class->handle_timer(diag288, func, timeout);
+}
+
+#define DIAG_308_RC_OK 0x0001
#define DIAG_308_RC_NO_CONF 0x0102
#define DIAG_308_RC_INVALID 0x0402
+
void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3)
{
uint64_t addr = env->regs[r1];
uint64_t subcode = env->regs[r3];
+ IplParameterBlock *iplb;
if (env->psw.mask & PSW_MASK_PSTATE) {
program_interrupt(env, PGM_PRIVILEGED, ILEN_LATER_INC);
switch (subcode) {
case 0:
modified_clear_reset(s390_env_get_cpu(env));
+ if (tcg_enabled()) {
+ cpu_loop_exit(CPU(s390_env_get_cpu(env)));
+ }
break;
case 1:
load_normal_reset(s390_env_get_cpu(env));
+ if (tcg_enabled()) {
+ cpu_loop_exit(CPU(s390_env_get_cpu(env)));
+ }
+ break;
+ case 3:
+ s390_reipl_request();
+ if (tcg_enabled()) {
+ cpu_loop_exit(CPU(s390_env_get_cpu(env)));
+ }
break;
case 5:
if ((r1 & 1) || (addr & 0x0fffULL)) {
program_interrupt(env, PGM_SPECIFICATION, ILEN_LATER_INC);
return;
}
- env->regs[r1+1] = DIAG_308_RC_INVALID;
+ if (!address_space_access_valid(&address_space_memory, addr,
+ sizeof(IplParameterBlock), false)) {
+ program_interrupt(env, PGM_ADDRESSING, ILEN_LATER_INC);
+ return;
+ }
+ iplb = g_malloc0(sizeof(struct IplParameterBlock));
+ cpu_physical_memory_read(addr, iplb, sizeof(struct IplParameterBlock));
+ s390_ipl_update_diag308(iplb);
+ env->regs[r1 + 1] = DIAG_308_RC_OK;
+ g_free(iplb);
return;
case 6:
if ((r1 & 1) || (addr & 0x0fffULL)) {
program_interrupt(env, PGM_SPECIFICATION, ILEN_LATER_INC);
return;
}
- env->regs[r1+1] = DIAG_308_RC_NO_CONF;
+ if (!address_space_access_valid(&address_space_memory, addr,
+ sizeof(IplParameterBlock), true)) {
+ program_interrupt(env, PGM_ADDRESSING, ILEN_LATER_INC);
+ return;
+ }
+ iplb = s390_ipl_get_iplb();
+ if (iplb) {
+ cpu_physical_memory_write(addr, iplb,
+ sizeof(struct IplParameterBlock));
+ env->regs[r1 + 1] = DIAG_308_RC_OK;
+ } else {
+ env->regs[r1 + 1] = DIAG_308_RC_NO_CONF;
+ }
return;
default:
hw_error("Unhandled diag308 subcode %" PRIx64, subcode);
}
#endif
-/* DIAG */
-uint64_t HELPER(diag)(CPUS390XState *env, uint32_t num, uint64_t mem,
- uint64_t code)
+void HELPER(diag)(CPUS390XState *env, uint32_t r1, uint32_t r3, uint32_t num)
{
uint64_t r;
break;
case 0x308:
/* ipl */
+ handle_diag_308(env, r1, r3);
r = 0;
break;
default:
if (r) {
program_interrupt(env, PGM_OPERATION, ILEN_LATER_INC);
}
-
- return r;
}
/* Set Prefix */
void HELPER(spx)(CPUS390XState *env, uint64_t a1)
{
+ CPUState *cs = CPU(s390_env_get_cpu(env));
uint32_t prefix = a1 & 0x7fffe000;
+
env->psa = prefix;
qemu_log("prefix: %#x\n", prefix);
- tlb_flush_page(env, 0);
- tlb_flush_page(env, TARGET_PAGE_SIZE);
+ tlb_flush_page(cs, 0);
+ tlb_flush_page(cs, TARGET_PAGE_SIZE);
}
-static inline uint64_t clock_value(CPUS390XState *env)
+/* Store Clock */
+uint64_t HELPER(stck)(CPUS390XState *env)
{
uint64_t time;
return time;
}
-/* Store Clock */
-uint64_t HELPER(stck)(CPUS390XState *env)
-{
- return clock_value(env);
-}
-
/* Set Clock Comparator */
void HELPER(sckc)(CPUS390XState *env, uint64_t time)
{
return;
}
- /* difference between now and then */
- time -= clock_value(env);
+ env->ckc = time;
+
+ /* difference between origins */
+ time -= env->tod_offset;
+
/* nanoseconds */
- time = (time * 125) >> 9;
+ time = tod2time(time);
- timer_mod(env->tod_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + time);
+ timer_mod(env->tod_timer, env->tod_basetime + time);
}
/* Store Clock Comparator */
uint64_t HELPER(stckc)(CPUS390XState *env)
{
- /* XXX implement */
- return 0;
+ return env->ckc;
}
/* Set CPU Timer */
}
/* nanoseconds */
- time = (time * 125) >> 9;
+ time = tod2time(time);
+
+ env->cputm = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + time;
- timer_mod(env->cpu_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + time);
+ timer_mod(env->cpu_timer, env->cputm);
}
/* Store CPU Timer */
uint64_t HELPER(stpt)(CPUS390XState *env)
{
- /* XXX implement */
- return 0;
+ return time2tod(env->cputm - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
}
/* Store System Information */
ebcdic_put(sysib.model, "QEMU ", 16);
ebcdic_put(sysib.sequence, "QEMU ", 16);
ebcdic_put(sysib.plant, "QEMU", 4);
- cpu_physical_memory_rw(a0, (uint8_t *)&sysib, sizeof(sysib), 1);
+ cpu_physical_memory_write(a0, &sysib, sizeof(sysib));
} else if ((sel1 == 2) && (sel2 == 1)) {
/* Basic Machine CPU */
struct sysib_121 sysib;
ebcdic_put(sysib.sequence, "QEMUQEMUQEMUQEMU", 16);
ebcdic_put(sysib.plant, "QEMU", 4);
stw_p(&sysib.cpu_addr, env->cpu_num);
- cpu_physical_memory_rw(a0, (uint8_t *)&sysib, sizeof(sysib), 1);
+ cpu_physical_memory_write(a0, &sysib, sizeof(sysib));
} else if ((sel1 == 2) && (sel2 == 2)) {
/* Basic Machine CPUs */
struct sysib_122 sysib;
stw_p(&sysib.active_cpus, 1);
stw_p(&sysib.standby_cpus, 0);
stw_p(&sysib.reserved_cpus, 0);
- cpu_physical_memory_rw(a0, (uint8_t *)&sysib, sizeof(sysib), 1);
+ cpu_physical_memory_write(a0, &sysib, sizeof(sysib));
} else {
cc = 3;
}
ebcdic_put(sysib.plant, "QEMU", 4);
stw_p(&sysib.cpu_addr, env->cpu_num);
stw_p(&sysib.cpu_id, 0);
- cpu_physical_memory_rw(a0, (uint8_t *)&sysib, sizeof(sysib), 1);
+ cpu_physical_memory_write(a0, &sysib, sizeof(sysib));
} else if ((sel1 == 2) && (sel2 == 2)) {
/* LPAR CPUs */
struct sysib_222 sysib;
stl_p(&sysib.caf, 1000);
stw_p(&sysib.dedicated_cpus, 0);
stw_p(&sysib.shared_cpus, 0);
- cpu_physical_memory_rw(a0, (uint8_t *)&sysib, sizeof(sysib), 1);
+ cpu_physical_memory_write(a0, &sysib, sizeof(sysib));
} else {
cc = 3;
}
ebcdic_put(sysib.vm[0].name, "KVMguest", 8);
stl_p(&sysib.vm[0].caf, 1000);
ebcdic_put(sysib.vm[0].cpi, "KVM/Linux ", 16);
- cpu_physical_memory_rw(a0, (uint8_t *)&sysib, sizeof(sysib), 1);
+ cpu_physical_memory_write(a0, &sysib, sizeof(sysib));
} else {
cc = 3;
}
uint32_t HELPER(sigp)(CPUS390XState *env, uint64_t order_code, uint32_t r1,
uint64_t cpu_addr)
{
- int cc = 0;
+ int cc = SIGP_CC_ORDER_CODE_ACCEPTED;
HELPER_LOG("%s: %016" PRIx64 " %08x %016" PRIx64 "\n",
__func__, order_code, r1, cpu_addr);
#if !defined(CONFIG_USER_ONLY)
case SIGP_RESTART:
qemu_system_reset_request();
- cpu_loop_exit(env);
+ cpu_loop_exit(CPU(s390_env_get_cpu(env)));
break;
case SIGP_STOP:
qemu_system_shutdown_request();
- cpu_loop_exit(env);
+ cpu_loop_exit(CPU(s390_env_get_cpu(env)));
break;
#endif
default:
/* unknown sigp */
fprintf(stderr, "XXX unknown sigp: 0x%" PRIx64 "\n", order_code);
- cc = 3;
+ cc = SIGP_CC_NOT_OPERATIONAL;
}
return cc;
}
#endif
+
+#ifndef CONFIG_USER_ONLY
+void HELPER(xsch)(CPUS390XState *env, uint64_t r1)
+{
+ S390CPU *cpu = s390_env_get_cpu(env);
+ ioinst_handle_xsch(cpu, r1);
+}
+
+void HELPER(csch)(CPUS390XState *env, uint64_t r1)
+{
+ S390CPU *cpu = s390_env_get_cpu(env);
+ ioinst_handle_csch(cpu, r1);
+}
+
+void HELPER(hsch)(CPUS390XState *env, uint64_t r1)
+{
+ S390CPU *cpu = s390_env_get_cpu(env);
+ ioinst_handle_hsch(cpu, r1);
+}
+
+void HELPER(msch)(CPUS390XState *env, uint64_t r1, uint64_t inst)
+{
+ S390CPU *cpu = s390_env_get_cpu(env);
+ ioinst_handle_msch(cpu, r1, inst >> 16);
+}
+
+void HELPER(rchp)(CPUS390XState *env, uint64_t r1)
+{
+ S390CPU *cpu = s390_env_get_cpu(env);
+ ioinst_handle_rchp(cpu, r1);
+}
+
+void HELPER(rsch)(CPUS390XState *env, uint64_t r1)
+{
+ S390CPU *cpu = s390_env_get_cpu(env);
+ ioinst_handle_rsch(cpu, r1);
+}
+
+void HELPER(ssch)(CPUS390XState *env, uint64_t r1, uint64_t inst)
+{
+ S390CPU *cpu = s390_env_get_cpu(env);
+ ioinst_handle_ssch(cpu, r1, inst >> 16);
+}
+
+void HELPER(stsch)(CPUS390XState *env, uint64_t r1, uint64_t inst)
+{
+ S390CPU *cpu = s390_env_get_cpu(env);
+ ioinst_handle_stsch(cpu, r1, inst >> 16);
+}
+
+void HELPER(tsch)(CPUS390XState *env, uint64_t r1, uint64_t inst)
+{
+ S390CPU *cpu = s390_env_get_cpu(env);
+ ioinst_handle_tsch(cpu, r1, inst >> 16);
+}
+
+void HELPER(chsc)(CPUS390XState *env, uint64_t inst)
+{
+ S390CPU *cpu = s390_env_get_cpu(env);
+ ioinst_handle_chsc(cpu, inst >> 16);
+}
+#endif
+
+#ifndef CONFIG_USER_ONLY
+void HELPER(per_check_exception)(CPUS390XState *env)
+{
+ CPUState *cs = CPU(s390_env_get_cpu(env));
+
+ if (env->per_perc_atmid) {
+ env->int_pgm_code = PGM_PER;
+ env->int_pgm_ilen = get_ilen(cpu_ldub_code(env, env->per_address));
+
+ cs->exception_index = EXCP_PGM;
+ cpu_loop_exit(cs);
+ }
+}
+
+void HELPER(per_branch)(CPUS390XState *env, uint64_t from, uint64_t to)
+{
+ if ((env->cregs[9] & PER_CR9_EVENT_BRANCH)) {
+ if (!(env->cregs[9] & PER_CR9_CONTROL_BRANCH_ADDRESS)
+ || get_per_in_range(env, to)) {
+ env->per_address = from;
+ env->per_perc_atmid = PER_CODE_EVENT_BRANCH | get_per_atmid(env);
+ }
+ }
+}
+
+void HELPER(per_ifetch)(CPUS390XState *env, uint64_t addr)
+{
+ if ((env->cregs[9] & PER_CR9_EVENT_IFETCH) && get_per_in_range(env, addr)) {
+ env->per_address = addr;
+ env->per_perc_atmid = PER_CODE_EVENT_IFETCH | get_per_atmid(env);
+
+ /* If the instruction has to be nullified, trigger the
+ exception immediately. */
+ if (env->cregs[9] & PER_CR9_EVENT_NULLIFICATION) {
+ CPUState *cs = CPU(s390_env_get_cpu(env));
+
+ env->int_pgm_code = PGM_PER;
+ env->int_pgm_ilen = get_ilen(cpu_ldub_code(env, addr));
+
+ cs->exception_index = EXCP_PGM;
+ cpu_loop_exit(cs);
+ }
+ }
+}
+#endif
projects / qemu.git / blobdiff