microblaze: Update PC before simulating syscall
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>
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@ -2527,6 +2527,7 @@ void cpu_loop(CPUMBState *env)
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case EXCP_BREAK:
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case EXCP_BREAK:
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/* Return address is 4 bytes after the call. */
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/* Return address is 4 bytes after the call. */
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env->regs[14] += 4;
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env->regs[14] += 4;
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env->sregs[SR_PC] = env->regs[14];
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ret = do_syscall(env,
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ret = do_syscall(env,
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env->regs[12],
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env->regs[12],
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env->regs[5],
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env->regs[5],
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@ -2537,7 +2538,6 @@ void cpu_loop(CPUMBState *env)
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env->regs[10],
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env->regs[10],
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0, 0);
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0, 0);
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env->regs[3] = ret;
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env->regs[3] = ret;
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env->sregs[SR_PC] = env->regs[14];
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break;
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break;
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case EXCP_HW_EXCP:
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case EXCP_HW_EXCP:
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env->regs[17] = env->sregs[SR_PC] + 4;
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env->regs[17] = env->sregs[SR_PC] + 4;
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