s390 bits

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1530 c046a42c-6fe2-441c-8c8c-71466251a162

cpu-exec.c

@@ -1280,6 +1280,23 @@ int cpu_signal_handler(int host_signum, struct siginfo *info, void *puc)
                              &uc->uc_sigmask, puc);
 }
 
+#elif defined(__s390__)
+
+int cpu_signal_handler(int host_signum, struct siginfo *info, 
+                       void *puc)
+{
+    struct ucontext *uc = puc;
+    unsigned long pc;
+    int is_write;
+    
+    pc = uc->uc_mcontext.psw.addr;
+    /* XXX: compute is_write */
+    is_write = 0;
+    return handle_cpu_signal(pc, (unsigned long)info->si_addr, 
+                             is_write,
+                             &uc->uc_sigmask, puc);
+}
+
 #else
 
 #error host CPU specific signal handler needed

dyngen-exec.h

@@ -218,6 +218,7 @@ extern int __op_jmp0, __op_jmp1, __op_jmp2, __op_jmp3;
 #endif
 #ifdef __s390__
 #define EXIT_TB() asm volatile ("br %r14")
+#define GOTO_LABEL_PARAM(n) asm volatile ("b " ASM_NAME(__op_gen_label) #n)
 #endif
 #ifdef __alpha__
 #define EXIT_TB() asm volatile ("ret")

vl.c

@@ -532,6 +532,15 @@ int64_t cpu_get_real_ticks(void)
 	return val;
 }
 
+#elif defined(__s390__)
+
+int64_t cpu_get_real_ticks(void)
+{
+    int64_t val;
+    asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc");
+    return val;
+}
+
 #else
 #error unsupported CPU
 #endif