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[Qemu-devel] [PATCH 2/2] microblaze: Update PC before simulating syscall
From: |
edgar . iglesias |
Subject: |
[Qemu-devel] [PATCH 2/2] microblaze: Update PC before simulating syscall |
Date: |
Wed, 17 Oct 2012 12:42:24 +0200 |
From: "Edgar E. Iglesias" <address@hidden>
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 <address@hidden>
---
linux-user/main.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/linux-user/main.c b/linux-user/main.c
index f4bbe69..5827ee6 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -2527,6 +2527,7 @@ void cpu_loop(CPUMBState *env)
case EXCP_BREAK:
/* Return address is 4 bytes after the call. */
env->regs[14] += 4;
+ env->sregs[SR_PC] = env->regs[14];
ret = do_syscall(env,
env->regs[12],
env->regs[5],
@@ -2537,7 +2538,6 @@ void cpu_loop(CPUMBState *env)
env->regs[10],
0, 0);
env->regs[3] = ret;
- env->sregs[SR_PC] = env->regs[14];
break;
case EXCP_HW_EXCP:
env->regs[17] = env->sregs[SR_PC] + 4;
--
1.7.8.6