*/
#include "cpu.h"
-#include "gdbstub.h"
-#include "qemu-timer.h"
+#include "exec/gdbstub.h"
+#include "qemu/timer.h"
#ifndef CONFIG_USER_ONLY
-#include "sysemu.h"
+#include "sysemu/sysemu.h"
#endif
//#define DEBUG_S390
#ifndef CONFIG_USER_ONLY
void s390x_tod_timer(void *opaque)
{
- CPUS390XState *env = opaque;
+ S390CPU *cpu = opaque;
+ CPUS390XState *env = &cpu->env;
env->pending_int |= INTERRUPT_TOD;
- cpu_interrupt(env, CPU_INTERRUPT_HARD);
+ cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
}
void s390x_cpu_timer(void *opaque)
{
- CPUS390XState *env = opaque;
+ S390CPU *cpu = opaque;
+ CPUS390XState *env = &cpu->env;
env->pending_int |= INTERRUPT_CPUTIMER;
- cpu_interrupt(env, CPU_INTERRUPT_HARD);
+ cpu_interrupt(CPU(cpu), CPU_INTERRUPT_HARD);
}
#endif
-CPUS390XState *cpu_s390x_init(const char *cpu_model)
+S390CPU *cpu_s390x_init(const char *cpu_model)
{
S390CPU *cpu;
- CPUS390XState *env;
- static int inited = 0;
cpu = S390_CPU(object_new(TYPE_S390_CPU));
- env = &cpu->env;
- if (tcg_enabled() && !inited) {
- inited = 1;
- s390x_translate_init();
- }
+ object_property_set_bool(OBJECT(cpu), true, "realized", NULL);
- env->cpu_model_str = cpu_model;
- qemu_init_vcpu(env);
- return env;
+ return cpu;
}
#if defined(CONFIG_USER_ONLY)
-void do_interrupt (CPUS390XState *env)
+void s390_cpu_do_interrupt(CPUState *cs)
{
+ S390CPU *cpu = S390_CPU(cs);
+ CPUS390XState *env = &cpu->env;
+
env->exception_index = -1;
}
-int cpu_s390x_handle_mmu_fault (CPUS390XState *env, target_ulong address, int rw,
- int mmu_idx)
+int cpu_s390x_handle_mmu_fault(CPUS390XState *env, target_ulong address,
+ int rw, int mmu_idx)
{
- /* fprintf(stderr,"%s: address 0x%lx rw %d mmu_idx %d\n",
- __FUNCTION__, address, rw, mmu_idx); */
- env->exception_index = EXCP_ADDR;
- env->__excp_addr = address; /* FIXME: find out how this works on a real machine */
+ env->exception_index = EXCP_PGM;
+ env->int_pgm_code = PGM_ADDRESSING;
+ /* On real machines this value is dropped into LowMem. Since this
+ is userland, simply put this someplace that cpu_loop can find it. */
+ env->__excp_addr = address;
return 1;
}
-#endif /* CONFIG_USER_ONLY */
-
-void cpu_state_reset(CPUS390XState *env)
-{
- cpu_reset(ENV_GET_CPU(env));
-}
-
-#ifndef CONFIG_USER_ONLY
+#else /* !CONFIG_USER_ONLY */
/* Ensure to exit the TB after this call! */
-static void trigger_pgm_exception(CPUS390XState *env, uint32_t code, uint32_t ilc)
+static void trigger_pgm_exception(CPUS390XState *env, uint32_t code,
+ uint32_t ilen)
{
env->exception_index = EXCP_PGM;
env->int_pgm_code = code;
- env->int_pgm_ilc = ilc;
+ env->int_pgm_ilen = ilen;
}
static int trans_bits(CPUS390XState *env, uint64_t mode)
return bits;
}
-static void trigger_prot_fault(CPUS390XState *env, target_ulong vaddr, uint64_t mode)
+static void trigger_prot_fault(CPUS390XState *env, target_ulong vaddr,
+ uint64_t mode)
{
- int ilc = ILC_LATER_INC_2;
+ int ilen = ILEN_LATER_INC;
int bits = trans_bits(env, mode) | 4;
- DPRINTF("%s: vaddr=%016" PRIx64 " bits=%d\n", __FUNCTION__, vaddr, bits);
+ DPRINTF("%s: vaddr=%016" PRIx64 " bits=%d\n", __func__, vaddr, bits);
stq_phys(env->psa + offsetof(LowCore, trans_exc_code), vaddr | bits);
- trigger_pgm_exception(env, PGM_PROTECTION, ilc);
+ trigger_pgm_exception(env, PGM_PROTECTION, ilen);
}
-static void trigger_page_fault(CPUS390XState *env, target_ulong vaddr, uint32_t type,
- uint64_t asc, int rw)
+static void trigger_page_fault(CPUS390XState *env, target_ulong vaddr,
+ uint32_t type, uint64_t asc, int rw)
{
- int ilc = ILC_LATER;
+ int ilen = ILEN_LATER;
int bits = trans_bits(env, asc);
+ /* Code accesses have an undefined ilc. */
if (rw == 2) {
- /* code has is undefined ilc */
- ilc = 2;
+ ilen = 2;
}
- DPRINTF("%s: vaddr=%016" PRIx64 " bits=%d\n", __FUNCTION__, vaddr, bits);
+ DPRINTF("%s: vaddr=%016" PRIx64 " bits=%d\n", __func__, vaddr, bits);
stq_phys(env->psa + offsetof(LowCore, trans_exc_code), vaddr | bits);
- trigger_pgm_exception(env, type, ilc);
+ trigger_pgm_exception(env, type, ilen);
}
-static int mmu_translate_asce(CPUS390XState *env, target_ulong vaddr, uint64_t asc,
- uint64_t asce, int level, target_ulong *raddr,
- int *flags, int rw)
+static int mmu_translate_asce(CPUS390XState *env, target_ulong vaddr,
+ uint64_t asc, uint64_t asce, int level,
+ target_ulong *raddr, int *flags, int rw)
{
uint64_t offs = 0;
uint64_t origin;
uint64_t new_asce;
- PTE_DPRINTF("%s: 0x%" PRIx64 "\n", __FUNCTION__, asce);
+ PTE_DPRINTF("%s: 0x%" PRIx64 "\n", __func__, asce);
if (((level != _ASCE_TYPE_SEGMENT) && (asce & _REGION_ENTRY_INV)) ||
((level == _ASCE_TYPE_SEGMENT) && (asce & _SEGMENT_ENTRY_INV))) {
/* XXX different regions have different faults */
- DPRINTF("%s: invalid region\n", __FUNCTION__);
+ DPRINTF("%s: invalid region\n", __func__);
trigger_page_fault(env, vaddr, PGM_SEGMENT_TRANS, asc, rw);
return -1;
}
new_asce = ldq_phys(origin + offs);
PTE_DPRINTF("%s: 0x%" PRIx64 " + 0x%" PRIx64 " => 0x%016" PRIx64 "\n",
- __FUNCTION__, origin, offs, new_asce);
+ __func__, origin, offs, new_asce);
if (level != _ASCE_TYPE_SEGMENT) {
/* yet another region */
/* PTE */
if (new_asce & _PAGE_INVALID) {
- DPRINTF("%s: PTE=0x%" PRIx64 " invalid\n", __FUNCTION__, new_asce);
+ DPRINTF("%s: PTE=0x%" PRIx64 " invalid\n", __func__, new_asce);
trigger_page_fault(env, vaddr, PGM_PAGE_TRANS, asc, rw);
return -1;
}
*raddr = new_asce & _ASCE_ORIGIN;
- PTE_DPRINTF("%s: PTE=0x%" PRIx64 "\n", __FUNCTION__, new_asce);
+ PTE_DPRINTF("%s: PTE=0x%" PRIx64 "\n", __func__, new_asce);
return 0;
}
-static int mmu_translate_asc(CPUS390XState *env, target_ulong vaddr, uint64_t asc,
- target_ulong *raddr, int *flags, int rw)
+static int mmu_translate_asc(CPUS390XState *env, target_ulong vaddr,
+ uint64_t asc, target_ulong *raddr, int *flags,
+ int rw)
{
uint64_t asce = 0;
int level, new_level;
switch (asc) {
case PSW_ASC_PRIMARY:
- PTE_DPRINTF("%s: asc=primary\n", __FUNCTION__);
+ PTE_DPRINTF("%s: asc=primary\n", __func__);
asce = env->cregs[1];
break;
case PSW_ASC_SECONDARY:
- PTE_DPRINTF("%s: asc=secondary\n", __FUNCTION__);
+ PTE_DPRINTF("%s: asc=secondary\n", __func__);
asce = env->cregs[7];
break;
case PSW_ASC_HOME:
- PTE_DPRINTF("%s: asc=home\n", __FUNCTION__);
+ PTE_DPRINTF("%s: asc=home\n", __func__);
asce = env->cregs[13];
break;
}
case _ASCE_TYPE_REGION2:
if (vaddr & 0xffe0000000000000ULL) {
DPRINTF("%s: vaddr doesn't fit 0x%16" PRIx64
- " 0xffe0000000000000ULL\n", __FUNCTION__,
- vaddr);
+ " 0xffe0000000000000ULL\n", __func__, vaddr);
trigger_page_fault(env, vaddr, PGM_TRANS_SPEC, asc, rw);
return -1;
}
case _ASCE_TYPE_REGION3:
if (vaddr & 0xfffffc0000000000ULL) {
DPRINTF("%s: vaddr doesn't fit 0x%16" PRIx64
- " 0xfffffc0000000000ULL\n", __FUNCTION__,
- vaddr);
+ " 0xfffffc0000000000ULL\n", __func__, vaddr);
trigger_page_fault(env, vaddr, PGM_TRANS_SPEC, asc, rw);
return -1;
}
case _ASCE_TYPE_SEGMENT:
if (vaddr & 0xffffffff80000000ULL) {
DPRINTF("%s: vaddr doesn't fit 0x%16" PRIx64
- " 0xffffffff80000000ULL\n", __FUNCTION__,
- vaddr);
+ " 0xffffffff80000000ULL\n", __func__, vaddr);
trigger_page_fault(env, vaddr, PGM_TRANS_SPEC, asc, rw);
return -1;
}
break;
}
-out:
+ out:
/* Convert real address -> absolute address */
if (*raddr < 0x2000) {
*raddr = *raddr + env->psa;
return r;
}
-int cpu_s390x_handle_mmu_fault (CPUS390XState *env, target_ulong _vaddr, int rw,
- int mmu_idx)
+int cpu_s390x_handle_mmu_fault(CPUS390XState *env, target_ulong orig_vaddr,
+ int rw, int mmu_idx)
{
uint64_t asc = env->psw.mask & PSW_MASK_ASC;
target_ulong vaddr, raddr;
int prot;
DPRINTF("%s: address 0x%" PRIx64 " rw %d mmu_idx %d\n",
- __FUNCTION__, _vaddr, rw, mmu_idx);
+ __func__, orig_vaddr, rw, mmu_idx);
- _vaddr &= TARGET_PAGE_MASK;
- vaddr = _vaddr;
+ orig_vaddr &= TARGET_PAGE_MASK;
+ vaddr = orig_vaddr;
/* 31-Bit mode */
if (!(env->psw.mask & PSW_MASK_64)) {
/* check out of RAM access */
if (raddr > (ram_size + virtio_size)) {
- DPRINTF("%s: aaddr %" PRIx64 " > ram_size %" PRIx64 "\n", __FUNCTION__,
- (uint64_t)aaddr, (uint64_t)ram_size);
- trigger_pgm_exception(env, PGM_ADDRESSING, ILC_LATER);
+ DPRINTF("%s: raddr %" PRIx64 " > ram_size %" PRIx64 "\n", __func__,
+ (uint64_t)raddr, (uint64_t)ram_size);
+ trigger_pgm_exception(env, PGM_ADDRESSING, ILEN_LATER);
return 1;
}
- DPRINTF("%s: set tlb %" PRIx64 " -> %" PRIx64 " (%x)\n", __FUNCTION__,
+ DPRINTF("%s: set tlb %" PRIx64 " -> %" PRIx64 " (%x)\n", __func__,
(uint64_t)vaddr, (uint64_t)raddr, prot);
- tlb_set_page(env, _vaddr, raddr, prot,
+ tlb_set_page(env, orig_vaddr, raddr, prot,
mmu_idx, TARGET_PAGE_SIZE);
return 0;
}
-target_phys_addr_t cpu_get_phys_page_debug(CPUS390XState *env, target_ulong vaddr)
+hwaddr s390_cpu_get_phys_page_debug(CPUState *cs, vaddr vaddr)
{
+ S390CPU *cpu = S390_CPU(cs);
+ CPUS390XState *env = &cpu->env;
target_ulong raddr;
int prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
int old_exc = env->exception_index;
void load_psw(CPUS390XState *env, uint64_t mask, uint64_t addr)
{
if (mask & PSW_MASK_WAIT) {
+ S390CPU *cpu = s390_env_get_cpu(env);
+ CPUState *cs = CPU(cpu);
if (!(mask & (PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK))) {
- if (s390_del_running_cpu(env) == 0) {
+ if (s390_del_running_cpu(cpu) == 0) {
#ifndef CONFIG_USER_ONLY
qemu_system_shutdown_request();
#endif
}
}
- env->halted = 1;
+ cs->halted = 1;
env->exception_index = EXCP_HLT;
}
env->psw.addr = addr;
env->psw.mask = mask;
- env->cc_op = (mask >> 13) & 3;
+ env->cc_op = (mask >> 44) & 3;
}
static uint64_t get_psw_mask(CPUS390XState *env)
{
- uint64_t r = env->psw.mask;
+ uint64_t r;
env->cc_op = calc_cc(env, env->cc_op, env->cc_src, env->cc_dst, env->cc_vr);
- r &= ~(3ULL << 13);
+ r = env->psw.mask;
+ r &= ~PSW_MASK_CC;
assert(!(env->cc_op & ~3));
- r |= env->cc_op << 13;
+ r |= (uint64_t)env->cc_op << 44;
return r;
}
+static LowCore *cpu_map_lowcore(CPUS390XState *env)
+{
+ LowCore *lowcore;
+ hwaddr len = sizeof(LowCore);
+
+ lowcore = cpu_physical_memory_map(env->psa, &len, 1);
+
+ if (len < sizeof(LowCore)) {
+ cpu_abort(env, "Could not map lowcore\n");
+ }
+
+ return lowcore;
+}
+
+static void cpu_unmap_lowcore(LowCore *lowcore)
+{
+ cpu_physical_memory_unmap(lowcore, sizeof(LowCore), 1, sizeof(LowCore));
+}
+
+void *s390_cpu_physical_memory_map(CPUS390XState *env, hwaddr addr, hwaddr *len,
+ int is_write)
+{
+ hwaddr start = addr;
+
+ /* Mind the prefix area. */
+ if (addr < 8192) {
+ /* Map the lowcore. */
+ start += env->psa;
+ *len = MIN(*len, 8192 - addr);
+ } else if ((addr >= env->psa) && (addr < env->psa + 8192)) {
+ /* Map the 0 page. */
+ start -= env->psa;
+ *len = MIN(*len, 8192 - start);
+ }
+
+ return cpu_physical_memory_map(start, len, is_write);
+}
+
+void s390_cpu_physical_memory_unmap(CPUS390XState *env, void *addr, hwaddr len,
+ int is_write)
+{
+ cpu_physical_memory_unmap(addr, len, is_write, len);
+}
+
static void do_svc_interrupt(CPUS390XState *env)
{
uint64_t mask, addr;
LowCore *lowcore;
- target_phys_addr_t len = TARGET_PAGE_SIZE;
- lowcore = cpu_physical_memory_map(env->psa, &len, 1);
+ lowcore = cpu_map_lowcore(env);
lowcore->svc_code = cpu_to_be16(env->int_svc_code);
- lowcore->svc_ilc = cpu_to_be16(env->int_svc_ilc);
+ lowcore->svc_ilen = cpu_to_be16(env->int_svc_ilen);
lowcore->svc_old_psw.mask = cpu_to_be64(get_psw_mask(env));
- lowcore->svc_old_psw.addr = cpu_to_be64(env->psw.addr + (env->int_svc_ilc));
+ lowcore->svc_old_psw.addr = cpu_to_be64(env->psw.addr + env->int_svc_ilen);
mask = be64_to_cpu(lowcore->svc_new_psw.mask);
addr = be64_to_cpu(lowcore->svc_new_psw.addr);
- cpu_physical_memory_unmap(lowcore, len, 1, len);
+ cpu_unmap_lowcore(lowcore);
load_psw(env, mask, addr);
}
{
uint64_t mask, addr;
LowCore *lowcore;
- target_phys_addr_t len = TARGET_PAGE_SIZE;
- int ilc = env->int_pgm_ilc;
+ int ilen = env->int_pgm_ilen;
- switch (ilc) {
- case ILC_LATER:
- ilc = get_ilc(ldub_code(env->psw.addr));
+ switch (ilen) {
+ case ILEN_LATER:
+ ilen = get_ilen(cpu_ldub_code(env, env->psw.addr));
break;
- case ILC_LATER_INC:
- ilc = get_ilc(ldub_code(env->psw.addr));
- env->psw.addr += ilc * 2;
- break;
- case ILC_LATER_INC_2:
- ilc = get_ilc(ldub_code(env->psw.addr)) * 2;
- env->psw.addr += ilc;
+ case ILEN_LATER_INC:
+ ilen = get_ilen(cpu_ldub_code(env, env->psw.addr));
+ env->psw.addr += ilen;
break;
+ default:
+ assert(ilen == 2 || ilen == 4 || ilen == 6);
}
- qemu_log("%s: code=0x%x ilc=%d\n", __FUNCTION__, env->int_pgm_code, ilc);
+ qemu_log_mask(CPU_LOG_INT, "%s: code=0x%x ilen=%d\n",
+ __func__, env->int_pgm_code, ilen);
- lowcore = cpu_physical_memory_map(env->psa, &len, 1);
+ lowcore = cpu_map_lowcore(env);
- lowcore->pgm_ilc = cpu_to_be16(ilc);
+ lowcore->pgm_ilen = cpu_to_be16(ilen);
lowcore->pgm_code = cpu_to_be16(env->int_pgm_code);
lowcore->program_old_psw.mask = cpu_to_be64(get_psw_mask(env));
lowcore->program_old_psw.addr = cpu_to_be64(env->psw.addr);
mask = be64_to_cpu(lowcore->program_new_psw.mask);
addr = be64_to_cpu(lowcore->program_new_psw.addr);
- cpu_physical_memory_unmap(lowcore, len, 1, len);
+ cpu_unmap_lowcore(lowcore);
- DPRINTF("%s: %x %x %" PRIx64 " %" PRIx64 "\n", __FUNCTION__,
- env->int_pgm_code, ilc, env->psw.mask,
+ DPRINTF("%s: %x %x %" PRIx64 " %" PRIx64 "\n", __func__,
+ env->int_pgm_code, ilen, env->psw.mask,
env->psw.addr);
load_psw(env, mask, addr);
{
uint64_t mask, addr;
LowCore *lowcore;
- target_phys_addr_t len = TARGET_PAGE_SIZE;
ExtQueue *q;
if (!(env->psw.mask & PSW_MASK_EXT)) {
}
q = &env->ext_queue[env->ext_index];
- lowcore = cpu_physical_memory_map(env->psa, &len, 1);
+ lowcore = cpu_map_lowcore(env);
lowcore->ext_int_code = cpu_to_be16(q->code);
lowcore->ext_params = cpu_to_be32(q->param);
mask = be64_to_cpu(lowcore->external_new_psw.mask);
addr = be64_to_cpu(lowcore->external_new_psw.addr);
- cpu_physical_memory_unmap(lowcore, len, 1, len);
+ cpu_unmap_lowcore(lowcore);
env->ext_index--;
if (env->ext_index == -1) {
env->pending_int &= ~INTERRUPT_EXT;
}
- DPRINTF("%s: %" PRIx64 " %" PRIx64 "\n", __FUNCTION__,
+ DPRINTF("%s: %" PRIx64 " %" PRIx64 "\n", __func__,
env->psw.mask, env->psw.addr);
load_psw(env, mask, addr);
}
-void do_interrupt (CPUS390XState *env)
+static void do_io_interrupt(CPUS390XState *env)
{
- qemu_log("%s: %d at pc=%" PRIx64 "\n", __FUNCTION__, env->exception_index,
- env->psw.addr);
+ LowCore *lowcore;
+ IOIntQueue *q;
+ uint8_t isc;
+ int disable = 1;
+ int found = 0;
+
+ if (!(env->psw.mask & PSW_MASK_IO)) {
+ cpu_abort(env, "I/O int w/o I/O mask\n");
+ }
- s390_add_running_cpu(env);
+ for (isc = 0; isc < ARRAY_SIZE(env->io_index); isc++) {
+ uint64_t isc_bits;
+
+ if (env->io_index[isc] < 0) {
+ continue;
+ }
+ if (env->io_index[isc] > MAX_IO_QUEUE) {
+ cpu_abort(env, "I/O queue overrun for isc %d: %d\n",
+ isc, env->io_index[isc]);
+ }
+
+ q = &env->io_queue[env->io_index[isc]][isc];
+ isc_bits = ISC_TO_ISC_BITS(IO_INT_WORD_ISC(q->word));
+ if (!(env->cregs[6] & isc_bits)) {
+ disable = 0;
+ continue;
+ }
+ if (!found) {
+ uint64_t mask, addr;
+
+ found = 1;
+ lowcore = cpu_map_lowcore(env);
+
+ lowcore->subchannel_id = cpu_to_be16(q->id);
+ lowcore->subchannel_nr = cpu_to_be16(q->nr);
+ lowcore->io_int_parm = cpu_to_be32(q->parm);
+ lowcore->io_int_word = cpu_to_be32(q->word);
+ lowcore->io_old_psw.mask = cpu_to_be64(get_psw_mask(env));
+ lowcore->io_old_psw.addr = cpu_to_be64(env->psw.addr);
+ mask = be64_to_cpu(lowcore->io_new_psw.mask);
+ addr = be64_to_cpu(lowcore->io_new_psw.addr);
+
+ cpu_unmap_lowcore(lowcore);
+
+ env->io_index[isc]--;
+
+ DPRINTF("%s: %" PRIx64 " %" PRIx64 "\n", __func__,
+ env->psw.mask, env->psw.addr);
+ load_psw(env, mask, addr);
+ }
+ if (env->io_index[isc] >= 0) {
+ disable = 0;
+ }
+ continue;
+ }
+
+ if (disable) {
+ env->pending_int &= ~INTERRUPT_IO;
+ }
+
+}
+
+static void do_mchk_interrupt(CPUS390XState *env)
+{
+ uint64_t mask, addr;
+ LowCore *lowcore;
+ MchkQueue *q;
+ int i;
+
+ if (!(env->psw.mask & PSW_MASK_MCHECK)) {
+ cpu_abort(env, "Machine check w/o mchk mask\n");
+ }
+
+ if (env->mchk_index < 0 || env->mchk_index > MAX_MCHK_QUEUE) {
+ cpu_abort(env, "Mchk queue overrun: %d\n", env->mchk_index);
+ }
+
+ q = &env->mchk_queue[env->mchk_index];
+
+ if (q->type != 1) {
+ /* Don't know how to handle this... */
+ cpu_abort(env, "Unknown machine check type %d\n", q->type);
+ }
+ if (!(env->cregs[14] & (1 << 28))) {
+ /* CRW machine checks disabled */
+ return;
+ }
+
+ lowcore = cpu_map_lowcore(env);
+
+ for (i = 0; i < 16; i++) {
+ lowcore->floating_pt_save_area[i] = cpu_to_be64(env->fregs[i].ll);
+ lowcore->gpregs_save_area[i] = cpu_to_be64(env->regs[i]);
+ lowcore->access_regs_save_area[i] = cpu_to_be32(env->aregs[i]);
+ lowcore->cregs_save_area[i] = cpu_to_be64(env->cregs[i]);
+ }
+ lowcore->prefixreg_save_area = cpu_to_be32(env->psa);
+ lowcore->fpt_creg_save_area = cpu_to_be32(env->fpc);
+ lowcore->tod_progreg_save_area = cpu_to_be32(env->todpr);
+ lowcore->cpu_timer_save_area[0] = cpu_to_be32(env->cputm >> 32);
+ lowcore->cpu_timer_save_area[1] = cpu_to_be32((uint32_t)env->cputm);
+ lowcore->clock_comp_save_area[0] = cpu_to_be32(env->ckc >> 32);
+ lowcore->clock_comp_save_area[1] = cpu_to_be32((uint32_t)env->ckc);
+
+ lowcore->mcck_interruption_code[0] = cpu_to_be32(0x00400f1d);
+ lowcore->mcck_interruption_code[1] = cpu_to_be32(0x40330000);
+ lowcore->mcck_old_psw.mask = cpu_to_be64(get_psw_mask(env));
+ lowcore->mcck_old_psw.addr = cpu_to_be64(env->psw.addr);
+ mask = be64_to_cpu(lowcore->mcck_new_psw.mask);
+ addr = be64_to_cpu(lowcore->mcck_new_psw.addr);
+
+ cpu_unmap_lowcore(lowcore);
+
+ env->mchk_index--;
+ if (env->mchk_index == -1) {
+ env->pending_int &= ~INTERRUPT_MCHK;
+ }
+
+ DPRINTF("%s: %" PRIx64 " %" PRIx64 "\n", __func__,
+ env->psw.mask, env->psw.addr);
+
+ load_psw(env, mask, addr);
+}
+
+void s390_cpu_do_interrupt(CPUState *cs)
+{
+ S390CPU *cpu = S390_CPU(cs);
+ CPUS390XState *env = &cpu->env;
+
+ qemu_log_mask(CPU_LOG_INT, "%s: %d at pc=%" PRIx64 "\n",
+ __func__, env->exception_index, env->psw.addr);
+
+ s390_add_running_cpu(cpu);
+ /* handle machine checks */
+ if ((env->psw.mask & PSW_MASK_MCHECK) &&
+ (env->exception_index == -1)) {
+ if (env->pending_int & INTERRUPT_MCHK) {
+ env->exception_index = EXCP_MCHK;
+ }
+ }
/* handle external interrupts */
if ((env->psw.mask & PSW_MASK_EXT) &&
env->exception_index == -1) {
/* code is already in env */
env->exception_index = EXCP_EXT;
} else if (env->pending_int & INTERRUPT_TOD) {
- cpu_inject_ext(env, 0x1004, 0, 0);
+ cpu_inject_ext(cpu, 0x1004, 0, 0);
env->exception_index = EXCP_EXT;
env->pending_int &= ~INTERRUPT_EXT;
env->pending_int &= ~INTERRUPT_TOD;
} else if (env->pending_int & INTERRUPT_CPUTIMER) {
- cpu_inject_ext(env, 0x1005, 0, 0);
+ cpu_inject_ext(cpu, 0x1005, 0, 0);
env->exception_index = EXCP_EXT;
env->pending_int &= ~INTERRUPT_EXT;
env->pending_int &= ~INTERRUPT_TOD;
}
}
+ /* handle I/O interrupts */
+ if ((env->psw.mask & PSW_MASK_IO) &&
+ (env->exception_index == -1)) {
+ if (env->pending_int & INTERRUPT_IO) {
+ env->exception_index = EXCP_IO;
+ }
+ }
switch (env->exception_index) {
case EXCP_PGM:
case EXCP_EXT:
do_ext_interrupt(env);
break;
+ case EXCP_IO:
+ do_io_interrupt(env);
+ break;
+ case EXCP_MCHK:
+ do_mchk_interrupt(env);
+ break;
}
env->exception_index = -1;
if (!env->pending_int) {
- env->interrupt_request &= ~CPU_INTERRUPT_HARD;
+ cs->interrupt_request &= ~CPU_INTERRUPT_HARD;
}
}
projects / qemu.git / blobdiff