#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"
#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;
- 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
-/* EBCDIC handling */
-static const uint8_t ebcdic2ascii[] = {
- 0x00, 0x01, 0x02, 0x03, 0x07, 0x09, 0x07, 0x7F,
- 0x07, 0x07, 0x07, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
- 0x10, 0x11, 0x12, 0x13, 0x07, 0x0A, 0x08, 0x07,
- 0x18, 0x19, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
- 0x07, 0x07, 0x1C, 0x07, 0x07, 0x0A, 0x17, 0x1B,
- 0x07, 0x07, 0x07, 0x07, 0x07, 0x05, 0x06, 0x07,
- 0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04,
- 0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A,
- 0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86,
- 0x87, 0xA4, 0x5B, 0x2E, 0x3C, 0x28, 0x2B, 0x21,
- 0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07,
- 0x8D, 0xE1, 0x5D, 0x24, 0x2A, 0x29, 0x3B, 0x5E,
- 0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F,
- 0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
- 0x07, 0x90, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
- 0x70, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
- 0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
- 0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1,
- 0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
- 0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07,
- 0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
- 0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07,
- 0x9B, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC,
- 0xAB, 0x07, 0xAA, 0x7C, 0x07, 0x07, 0x07, 0x07,
- 0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
- 0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07,
- 0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
- 0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98,
- 0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
- 0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07,
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
- 0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07,
-};
-
-static const uint8_t ascii2ebcdic[] = {
- 0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F,
- 0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
- 0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26,
- 0x18, 0x19, 0x3F, 0x27, 0x22, 0x1D, 0x1E, 0x1F,
- 0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D,
- 0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
- 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
- 0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F,
- 0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
- 0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
- 0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6,
- 0xE7, 0xE8, 0xE9, 0xBA, 0xE0, 0xBB, 0xB0, 0x6D,
- 0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
- 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
- 0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
- 0xA7, 0xA8, 0xA9, 0xC0, 0x4F, 0xD0, 0xA1, 0x07,
- 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x3F, 0x59, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
- 0x90, 0x3F, 0x3F, 0x3F, 0x3F, 0xEA, 0x3F, 0xFF
-};
-
-static inline void ebcdic_put(uint8_t *p, const char *ascii, int len)
-{
- int i;
-
- for (i = 0; i < len; i++) {
- p[i] = ascii2ebcdic[(uint8_t)ascii[i]];
- }
-}
-
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)
+static int modified_clear_reset(S390CPU *cpu)
{
- CPUState *cpu;
- S390CPUClass *scc;
+ S390CPUClass *scc = S390_CPU_GET_CLASS(cpu);
+ CPUState *t;
- for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
- scc = S390_CPU_GET_CLASS(CPU(cpu));
- scc->cpu_reset(CPU(cpu));
+ pause_all_vcpus();
+ cpu_synchronize_all_states();
+ CPU_FOREACH(t) {
+ run_on_cpu(t, s390_do_cpu_full_reset, t);
}
+ cmma_reset(cpu);
+ io_subsystem_reset();
+ scc->load_normal(CPU(cpu));
+ cpu_synchronize_all_post_reset();
+ resume_all_vcpus();
+ return 0;
}
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();
+ CPU_FOREACH(t) {
+ run_on_cpu(t, s390_do_cpu_reset, t);
+ }
+ cmma_reset(cpu);
io_subsystem_reset();
scc->initial_cpu_reset(CPU(cpu));
scc->load_normal(CPU(cpu));
return 0;
}
+#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));
+ break;
case 1:
load_normal_reset(s390_env_get_cpu(env));
break;
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));
+ if (!s390_ipl_update_diag308(iplb)) {
+ env->regs[r1 + 1] = DIAG_308_RC_OK;
+ } else {
+ env->regs[r1 + 1] = DIAG_308_RC_INVALID;
+ }
+ 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);
/* 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)
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;
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