[Qemu-devel] [RFC 01/14] Make unknown semihosting calls non-fatal

[Christopher Covington <cov@codeaurora.org>]

Signed-off-by: Christopher Covington <cov@codeaurora.org>
---
 target-arm/arm-semi.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/target-arm/arm-semi.c b/target-arm/arm-semi.c
index a8b83e6..bcc70ec 100644
--- a/target-arm/arm-semi.c
+++ b/target-arm/arm-semi.c
@@ -186,8 +186,6 @@ static void arm_semi_flen_cb(CPUState *cs, target_ulong ret, target_ulong err)
 #define SET_ARG(n, val) put_user_ual(val, args + (n) * 4)
 uint32_t do_arm_semihosting(CPUARMState *env)
 {
-    ARMCPU *cpu = arm_env_get_cpu(env);
-    CPUState *cs = CPU(cpu);
     target_ulong args;
     target_ulong arg0, arg1, arg2, arg3;
     char * s;
@@ -195,6 +193,8 @@ uint32_t do_arm_semihosting(CPUARMState *env)
     uint32_t ret;
     uint32_t len;
 #ifdef CONFIG_USER_ONLY
+    ARMCPU *cpu = arm_env_get_cpu(env);
+    CPUState *cs = CPU(cpu);
     TaskState *ts = cs->opaque;
 #else
     CPUARMState *ts = env;
@@ -562,7 +562,6 @@ uint32_t do_arm_semihosting(CPUARMState *env)
         exit(ret);
     default:
         fprintf(stderr, "qemu: Unsupported SemiHosting SWI 0x%02x\n", nr);
-        cpu_dump_state(cs, stderr, fprintf, 0);
-        abort();
+        return -1;
     }
 }
-- 
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