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-rw-r--r--linux-user/main.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/linux-user/main.c b/linux-user/main.c
index 0c5e6b5b43..cad10e646b 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -1534,6 +1534,96 @@ void cpu_loop(CPUM68KState *env)
}
#endif /* TARGET_M68K */
+#ifdef TARGET_ALPHA
+void cpu_loop (CPUState *env)
+{
+ int trapnr, ret;
+ target_siginfo_t info;
+
+ while (1) {
+ trapnr = cpu_alpha_exec (env);
+
+ switch (trapnr) {
+ case EXCP_RESET:
+ fprintf(stderr, "Reset requested. Exit\n");
+ exit(1);
+ break;
+ case EXCP_MCHK:
+ fprintf(stderr, "Machine check exception. Exit\n");
+ exit(1);
+ break;
+ case EXCP_ARITH:
+ fprintf(stderr, "Arithmetic trap.\n");
+ exit(1);
+ break;
+ case EXCP_HW_INTERRUPT:
+ fprintf(stderr, "External interrupt. Exit\n");
+ exit(1);
+ break;
+ case EXCP_DFAULT:
+ fprintf(stderr, "MMU data fault\n");
+ exit(1);
+ break;
+ case EXCP_DTB_MISS_PAL:
+ fprintf(stderr, "MMU data TLB miss in PALcode\n");
+ exit(1);
+ break;
+ case EXCP_ITB_MISS:
+ fprintf(stderr, "MMU instruction TLB miss\n");
+ exit(1);
+ break;
+ case EXCP_ITB_ACV:
+ fprintf(stderr, "MMU instruction access violation\n");
+ exit(1);
+ break;
+ case EXCP_DTB_MISS_NATIVE:
+ fprintf(stderr, "MMU data TLB miss\n");
+ exit(1);
+ break;
+ case EXCP_UNALIGN:
+ fprintf(stderr, "Unaligned access\n");
+ exit(1);
+ break;
+ case EXCP_OPCDEC:
+ fprintf(stderr, "Invalid instruction\n");
+ exit(1);
+ break;
+ case EXCP_FEN:
+ fprintf(stderr, "Floating-point not allowed\n");
+ exit(1);
+ break;
+ case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1):
+ fprintf(stderr, "Call to PALcode\n");
+ call_pal(env, (trapnr >> 6) | 0x80);
+ break;
+ case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1):
+ fprintf(stderr, "Priviledged call to PALcode\n");
+ exit(1);
+ break;
+ case EXCP_DEBUG:
+ {
+ int sig;
+
+ sig = gdb_handlesig (env, TARGET_SIGTRAP);
+ if (sig)
+ {
+ info.si_signo = sig;
+ info.si_errno = 0;
+ info.si_code = TARGET_TRAP_BRKPT;
+ queue_signal(info.si_signo, &info);
+ }
+ }
+ break;
+ default:
+ printf ("Unhandled trap: 0x%x\n", trapnr);
+ cpu_dump_state(env, stderr, fprintf, 0);
+ exit (1);
+ }
+ process_pending_signals (env);
+ }
+}
+#endif /* TARGET_ALPHA */
+
void usage(void)
{
printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
@@ -1877,6 +1967,18 @@ int main(int argc, char **argv)
}
env->pc = regs->pc;
}
+#elif defined(TARGET_ALPHA)
+ {
+ int i;
+
+ for(i = 0; i < 28; i++) {
+ env->ir[i] = ((target_ulong *)regs)[i];
+ }
+ env->ipr[IPR_USP] = regs->usp;
+ env->ir[30] = regs->usp;
+ env->pc = regs->pc;
+ env->unique = regs->unique;
+ }
#else
#error unsupported target CPU
#endif