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s390 bits

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1530 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-07-24 15:11:38 +00:00
parent db6e6ed77e
commit 90cb949352
3 changed files with 27 additions and 0 deletions
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17
cpu-exec.c
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@ -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

1
dyngen-exec.h
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@ -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")

9
vl.c
View File

@ -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