fixed refresh logic (initial patch by Igor Kovalenko)

[qemu] / cpu-exec.c

diff --git a/cpu-exec.c b/cpu-exec.c
index b08f7af..eeeeb8f 100644 (file)
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -47,7 +47,7 @@ void cpu_loop_exit(void)
     longjmp(env->jmp_env, 1);
 }
 #endif
-#ifndef TARGET_SPARC
+#if !(defined(TARGET_SPARC) || defined(TARGET_SH4))
 #define reg_T2
 #endif
 
@@ -175,9 +175,13 @@ static inline TranslationBlock *tb_find_fast(void)
     pc = env->regs[15];
 #elif defined(TARGET_SPARC)
 #ifdef TARGET_SPARC64
-    flags = (env->pstate << 2) | ((env->lsu & (DMMU_E | IMMU_E)) >> 2);
+    // Combined FPU enable bits . PRIV . DMMU enabled . IMMU enabled
+    flags = (((env->pstate & PS_PEF) >> 1) | ((env->fprs & FPRS_FEF) << 2))
+        | (env->pstate & PS_PRIV) | ((env->lsu & (DMMU_E | IMMU_E)) >> 2);
 #else
-    flags = env->psrs | ((env->mmuregs[0] & (MMU_E | MMU_NF)) << 1);
+    // FPU enable . MMU enabled . MMU no-fault . Supervisor
+    flags = (env->psref << 3) | ((env->mmuregs[0] & (MMU_E | MMU_NF)) << 1)
+        | env->psrs;
 #endif
     cs_base = env->npc;
     pc = env->pc;
@@ -1172,19 +1176,14 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
            a virtual CPU fault */
         cpu_restore_state(tb, env, pc, puc);
     }
-    if (ret == 1) {
 #if 0
         printf("PF exception: NIP=0x%08x error=0x%x %p\n", 
                env->nip, env->error_code, tb);
 #endif
     /* we restore the process signal mask as the sigreturn should
        do it (XXX: use sigsetjmp) */
-        sigprocmask(SIG_SETMASK, old_set, NULL);
-        //        do_raise_exception_err(env->exception_index, env->error_code);
-    } else {
-        /* activate soft MMU for this block */
-        cpu_resume_from_signal(env, puc);
-    }
+    sigprocmask(SIG_SETMASK, old_set, NULL);
+    cpu_loop_exit();
     /* never comes here */
     return 1;
 }
@@ -1405,7 +1404,7 @@ int cpu_signal_handler(int host_signum, struct siginfo *info,
     is_write = 0;
     return handle_cpu_signal(pc, (unsigned long)info->si_addr, 
                              is_write,
-                             &uc->uc_sigmask);
+                             &uc->uc_sigmask, puc);
 }
 
 #elif defined(__mc68000)