diff options
| -rw-r--r-- | linux-user/nios2/cpu_loop.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/linux-user/nios2/cpu_loop.c b/linux-user/nios2/cpu_loop.c index 91737c568f..63afba5862 100644 --- a/linux-user/nios2/cpu_loop.c +++ b/linux-user/nios2/cpu_loop.c @@ -55,9 +55,14 @@ void cpu_loop(CPUNios2State *env) env->regs[7], env->regs[8], env->regs[9], 0, 0); + /* + * See the code after translate_rc_and_ret: all negative + * values are errors (aided by userspace restricted to 2G), + * errno is returned positive in r2, and error indication + * is a boolean in r7. + */ env->regs[2] = abs(ret); - /* Return value is 0..4096 */ - env->regs[7] = ret > 0xfffff000u; + env->regs[7] = ret < 0; break; case 1: |