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PowerPC target support (Jocelyn Mayer) - added better support for uid16

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@474 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-11-23 17:05:30 +00:00
parent 28b6751f30
commit 678673089d
11 changed files with 495 additions and 125 deletions
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59
cpu-exec.c
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@ -133,6 +133,7 @@ int cpu_exec(CPUState *env1)
env->cpsr = psr & ~0xf0000000;
}
#elif defined(TARGET_SPARC)
#elif defined(TARGET_PPC)
#else
#error unsupported target CPU
#endif
@ -228,6 +229,8 @@ int cpu_exec(CPUState *env1)
env->cpsr &= ~0xf0000000;
#elif defined(TARGET_SPARC)
cpu_sparc_dump_state (env, logfile, 0);
#elif defined(TARGET_PPC)
cpu_ppc_dump_state(env, logfile, 0);
#else
#error unsupported target CPU
#endif
@ -246,13 +249,17 @@ int cpu_exec(CPUState *env1)
cs_base = 0;
pc = (uint8_t *)env->regs[15];
#elif defined(TARGET_SPARC)
flags = 0;
cs_base = 0;
if (env->npc) {
env->pc = env->npc;
env->npc = 0;
}
pc = (uint8_t *) env->pc;
flags = 0;
cs_base = 0;
if (env->npc) {
env->pc = env->npc;
env->npc = 0;
}
pc = (uint8_t *) env->pc;
#elif defined(TARGET_PPC)
flags = 0;
cs_base = 0;
pc = (uint8_t *)env->nip;
#else
#error unsupported CPU
#endif
@ -376,6 +383,7 @@ int cpu_exec(CPUState *env1)
#elif defined(TARGET_ARM)
env->cpsr = compute_cpsr();
#elif defined(TARGET_SPARC)
#elif defined(TARGET_PPC)
#else
#error unsupported target CPU
#endif
@ -513,6 +521,43 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
{
return 0;
}
#elif defined (TARGET_PPC)
static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
int is_write, sigset_t *old_set)
{
TranslationBlock *tb;
#if 0
if (cpu_single_env)
env = cpu_single_env; /* XXX: find a correct solution for multithread */
#endif
#if defined(DEBUG_SIGNAL)
printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n",
pc, address, is_write, *(unsigned long *)old_set);
#endif
/* XXX: locking issue */
if (is_write && page_unprotect(address)) {
return 1;
}
/* now we have a real cpu fault */
tb = tb_find_pc(pc);
if (tb) {
/* the PC is inside the translated code. It means that we have
a virtual CPU fault */
cpu_restore_state(tb, env, pc);
}
#if 0
printf("PF exception: EIP=0x%08x CR2=0x%08x error=0x%x\n",
env->eip, env->cr[2], env->error_code);
#endif
/* we restore the process signal mask as the sigreturn should
do it (XXX: use sigsetjmp) */
sigprocmask(SIG_SETMASK, old_set, NULL);
raise_exception_err(EXCP_PROGRAM, env->error_code);
/* never comes here */
return 1;
}
#else
#error unsupported target CPU
#endif