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microblaze: Update PC before simulating syscall

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Fixes a clone() emulation bug were the new thread starts
at the point of the syscall and thus clones in a loop.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Edgar E. Iglesias 2012-04-26 14:18:25 +02:00
parent a5b3bdcba8
commit d7dce49476
1 changed files with 1 additions and 1 deletions
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2
linux-user/main.c
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@ -2527,6 +2527,7 @@ void cpu_loop(CPUMBState *env)
case EXCP_BREAK: case EXCP_BREAK:
/* Return address is 4 bytes after the call. */ /* Return address is 4 bytes after the call. */
env->regs[14] += 4; env->regs[14] += 4;
env->sregs[SR_PC] = env->regs[14];
ret = do_syscall(env, ret = do_syscall(env,
env->regs[12], env->regs[12],
env->regs[5], env->regs[5],
@ -2537,7 +2538,6 @@ void cpu_loop(CPUMBState *env)
env->regs[10], env->regs[10],
0, 0); 0, 0);
env->regs[3] = ret; env->regs[3] = ret;
env->sregs[SR_PC] = env->regs[14];
break; break;
case EXCP_HW_EXCP: case EXCP_HW_EXCP:
env->regs[17] = env->sregs[SR_PC] + 4; env->regs[17] = env->sregs[SR_PC] + 4;