}
}
-#ifdef TARGET_SH4
-void cpu_loop(CPUSH4State *env)
-{
- CPUState *cs = CPU(sh_env_get_cpu(env));
- int trapnr, ret;
- target_siginfo_t info;
-
- while (1) {
- bool arch_interrupt = true;
-
- cpu_exec_start(cs);
- trapnr = cpu_exec(cs);
- cpu_exec_end(cs);
- process_queued_cpu_work(cs);
-
- switch (trapnr) {
- case 0x160:
- env->pc += 2;
- ret = do_syscall(env,
- env->gregs[3],
- env->gregs[4],
- env->gregs[5],
- env->gregs[6],
- env->gregs[7],
- env->gregs[0],
- env->gregs[1],
- 0, 0);
- if (ret == -TARGET_ERESTARTSYS) {
- env->pc -= 2;
- } else if (ret != -TARGET_QEMU_ESIGRETURN) {
- env->gregs[0] = ret;
- }
- break;
- case EXCP_INTERRUPT:
- /* just indicate that signals should be handled asap */
- break;
- case EXCP_DEBUG:
- {
- int sig;
-
- sig = gdb_handlesig(cs, TARGET_SIGTRAP);
- if (sig) {
- info.si_signo = sig;
- info.si_errno = 0;
- info.si_code = TARGET_TRAP_BRKPT;
- queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
- } else {
- arch_interrupt = false;
- }
- }
- break;
- case 0xa0:
- case 0xc0:
- info.si_signo = TARGET_SIGSEGV;
- info.si_errno = 0;
- info.si_code = TARGET_SEGV_MAPERR;
- info._sifields._sigfault._addr = env->tea;
- queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
- break;
- case EXCP_ATOMIC:
- cpu_exec_step_atomic(cs);
- arch_interrupt = false;
- break;
- default:
- printf ("Unhandled trap: 0x%x\n", trapnr);
- cpu_dump_state(cs, stderr, fprintf, 0);
- exit(EXIT_FAILURE);
- }
- process_pending_signals (env);
-
- /* Most of the traps imply an exception or interrupt, which
- implies an REI instruction has been executed. Which means
- that LDST (aka LOK_ADDR) should be cleared. But there are
- a few exceptions for traps internal to QEMU. */
- if (arch_interrupt) {
- env->lock_addr = -1;
- }
- }
-}
-#endif
-
#ifdef TARGET_CRIS
void cpu_loop(CPUCRISState *env)
{
env->pc = regs->sepc;
env->gpr[xSP] = regs->sp;
}
-#elif defined(TARGET_SH4)
- {
- int i;
-
- for(i = 0; i < 16; i++) {
- env->gregs[i] = regs->regs[i];
- }
- env->pc = regs->pc;
- }
#elif defined(TARGET_ALPHA)
{
int i;
#include "qemu.h"
#include "cpu_loop-common.h"
+void cpu_loop(CPUSH4State *env)
+{
+ CPUState *cs = CPU(sh_env_get_cpu(env));
+ int trapnr, ret;
+ target_siginfo_t info;
+
+ while (1) {
+ bool arch_interrupt = true;
+
+ cpu_exec_start(cs);
+ trapnr = cpu_exec(cs);
+ cpu_exec_end(cs);
+ process_queued_cpu_work(cs);
+
+ switch (trapnr) {
+ case 0x160:
+ env->pc += 2;
+ ret = do_syscall(env,
+ env->gregs[3],
+ env->gregs[4],
+ env->gregs[5],
+ env->gregs[6],
+ env->gregs[7],
+ env->gregs[0],
+ env->gregs[1],
+ 0, 0);
+ if (ret == -TARGET_ERESTARTSYS) {
+ env->pc -= 2;
+ } else if (ret != -TARGET_QEMU_ESIGRETURN) {
+ env->gregs[0] = ret;
+ }
+ break;
+ case EXCP_INTERRUPT:
+ /* just indicate that signals should be handled asap */
+ break;
+ case EXCP_DEBUG:
+ {
+ int sig;
+
+ sig = gdb_handlesig(cs, TARGET_SIGTRAP);
+ if (sig) {
+ info.si_signo = sig;
+ info.si_errno = 0;
+ info.si_code = TARGET_TRAP_BRKPT;
+ queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
+ } else {
+ arch_interrupt = false;
+ }
+ }
+ break;
+ case 0xa0:
+ case 0xc0:
+ info.si_signo = TARGET_SIGSEGV;
+ info.si_errno = 0;
+ info.si_code = TARGET_SEGV_MAPERR;
+ info._sifields._sigfault._addr = env->tea;
+ queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
+ break;
+ case EXCP_ATOMIC:
+ cpu_exec_step_atomic(cs);
+ arch_interrupt = false;
+ break;
+ default:
+ printf ("Unhandled trap: 0x%x\n", trapnr);
+ cpu_dump_state(cs, stderr, fprintf, 0);
+ exit(EXIT_FAILURE);
+ }
+ process_pending_signals (env);
+
+ /* Most of the traps imply an exception or interrupt, which
+ implies an REI instruction has been executed. Which means
+ that LDST (aka LOK_ADDR) should be cleared. But there are
+ a few exceptions for traps internal to QEMU. */
+ if (arch_interrupt) {
+ env->lock_addr = -1;
+ }
+ }
+}
+
void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
{
+ int i;
+
+ for(i = 0; i < 16; i++) {
+ env->gregs[i] = regs->regs[i];
+ }
+ env->pc = regs->pc;
}