linux-user: move sh4 cpu loop to sh4 directory

No code change, only move code from main.c to
sh4/cpu_loop.c.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180411185651.21351-11-laurent@vivier.eu>

1 files changed, 0 insertions, 90 deletions

diff --git a/linux-user/main.c b/linux-user/main.c
index af26a17..d7fee3e 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -149,87 +149,6 @@ void fork_end(int child)
     }
 }
 
-#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)
 {
@@ -2361,15 +2280,6 @@ int main(int argc, char **argv, char **envp)
         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;