motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-02 15:23:53 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

Preliminary patch for Alpha Linux user mode emulation support.

Browse source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2600 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
j_mayer 2007-04-05 07:13:51 +00:00
parent 86cc1ce083
commit 7a3148a955
4 changed files with 212 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

102
linux-user/main.c
View file

@ -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