144 lines
3.7 KiB
C
144 lines
3.7 KiB
C
/* Unicorn Emulator Engine */
|
|
/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2015-2021 */
|
|
|
|
#include "sysemu/cpus.h"
|
|
#include "cpu.h"
|
|
#include "unicorn_common.h"
|
|
#include "uc_priv.h"
|
|
#include "unicorn.h"
|
|
#include "internal.h"
|
|
|
|
S390CPU *cpu_s390_init(struct uc_struct *uc, const char *cpu_model);
|
|
|
|
static void s390_set_pc(struct uc_struct *uc, uint64_t address)
|
|
{
|
|
((CPUS390XState *)uc->cpu->env_ptr)->psw.addr = address;
|
|
}
|
|
|
|
static uint64_t s390_get_pc(struct uc_struct *uc)
|
|
{
|
|
return ((CPUS390XState *)uc->cpu->env_ptr)->psw.addr;
|
|
}
|
|
|
|
static void s390_release(void *ctx)
|
|
{
|
|
|
|
int i;
|
|
TCGContext *tcg_ctx = (TCGContext *)ctx;
|
|
S390CPU *cpu = (S390CPU *)tcg_ctx->uc->cpu;
|
|
CPUTLBDesc *d = cpu->neg.tlb.d;
|
|
CPUTLBDescFast *f = cpu->neg.tlb.f;
|
|
CPUTLBDesc *desc;
|
|
CPUTLBDescFast *fast;
|
|
|
|
release_common(ctx);
|
|
for (i = 0; i < NB_MMU_MODES; i++) {
|
|
desc = &(d[i]);
|
|
fast = &(f[i]);
|
|
g_free(desc->iotlb);
|
|
g_free(fast->table);
|
|
}
|
|
|
|
s390_cpu_model_finalize((CPUState *)cpu);
|
|
// TODO: Anymore to free?
|
|
}
|
|
|
|
static void reg_reset(struct uc_struct *uc)
|
|
{
|
|
CPUArchState *env = uc->cpu->env_ptr;
|
|
|
|
memset(env->regs, 0, sizeof(env->regs));
|
|
memset(env->aregs, 0, sizeof(env->aregs));
|
|
|
|
env->psw.addr = 0;
|
|
}
|
|
|
|
DEFAULT_VISIBILITY
|
|
uc_err reg_read(void *_env, int mode, unsigned int regid, void *value,
|
|
size_t *size)
|
|
{
|
|
CPUS390XState *env = _env;
|
|
uc_err ret = UC_ERR_ARG;
|
|
|
|
if (regid >= UC_S390X_REG_R0 && regid <= UC_S390X_REG_R15) {
|
|
CHECK_REG_TYPE(uint64_t);
|
|
*(uint64_t *)value = env->regs[regid - UC_S390X_REG_R0];
|
|
} else if (regid >= UC_S390X_REG_A0 && regid <= UC_S390X_REG_A15) {
|
|
CHECK_REG_TYPE(uint32_t);
|
|
*(uint32_t *)value = env->regs[regid - UC_S390X_REG_A0];
|
|
} else {
|
|
switch (regid) {
|
|
default:
|
|
break;
|
|
case UC_S390X_REG_PC:
|
|
CHECK_REG_TYPE(uint64_t);
|
|
*(uint64_t *)value = env->psw.addr;
|
|
break;
|
|
case UC_S390X_REG_PSWM:
|
|
CHECK_REG_TYPE(uint64_t);
|
|
*(uint64_t *)value = get_psw_mask(env);
|
|
break;
|
|
}
|
|
}
|
|
CHECK_RET_DEPRECATE(ret, regid);
|
|
return ret;
|
|
}
|
|
|
|
DEFAULT_VISIBILITY
|
|
uc_err reg_write(void *_env, int mode, unsigned int regid, const void *value,
|
|
size_t *size, int *setpc)
|
|
{
|
|
CPUS390XState *env = _env;
|
|
uc_err ret = UC_ERR_ARG;
|
|
|
|
if (regid >= UC_S390X_REG_R0 && regid <= UC_S390X_REG_R15) {
|
|
CHECK_REG_TYPE(uint64_t);
|
|
env->regs[regid - UC_S390X_REG_R0] = *(uint64_t *)value;
|
|
} else if (regid >= UC_S390X_REG_A0 && regid <= UC_S390X_REG_A15) {
|
|
CHECK_REG_TYPE(uint32_t);
|
|
env->regs[regid - UC_S390X_REG_A0] = *(uint32_t *)value;
|
|
} else {
|
|
switch (regid) {
|
|
default:
|
|
break;
|
|
case UC_S390X_REG_PC:
|
|
CHECK_REG_TYPE(uint64_t);
|
|
env->psw.addr = *(uint64_t *)value;
|
|
*setpc = 1;
|
|
break;
|
|
case UC_S390X_REG_PSWM:
|
|
CHECK_REG_TYPE(uint64_t);
|
|
env->psw.mask = *(uint64_t *)value;
|
|
env->cc_op = (env->psw.mask >> 44) & 3;
|
|
break;
|
|
}
|
|
}
|
|
CHECK_RET_DEPRECATE(ret, regid);
|
|
return ret;
|
|
}
|
|
|
|
static int s390_cpus_init(struct uc_struct *uc, const char *cpu_model)
|
|
{
|
|
S390CPU *cpu;
|
|
|
|
cpu = cpu_s390_init(uc, cpu_model);
|
|
if (cpu == NULL) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
DEFAULT_VISIBILITY
|
|
void uc_init(struct uc_struct *uc)
|
|
{
|
|
uc->release = s390_release;
|
|
uc->reg_read = reg_read;
|
|
uc->reg_write = reg_write;
|
|
uc->reg_reset = reg_reset;
|
|
uc->set_pc = s390_set_pc;
|
|
uc->get_pc = s390_get_pc;
|
|
uc->cpus_init = s390_cpus_init;
|
|
uc->cpu_context_size = offsetof(CPUS390XState, end_reset_fields);
|
|
uc_common_init(uc);
|
|
}
|