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[v8,57/87] target/mips: Fix ERET/ERETNC behavior related to ADEL exception

Message ID 1534182832-554-58-git-send-email-aleksandar.markovic@rt-rk.com
State New
Headers show
Series Add nanoMIPS support to QEMU | expand

Commit Message

Aleksandar Markovic Aug. 13, 2018, 5:53 p.m. UTC 
From: Yongbok Kim <yongbok.kim@mips.com>

Fix ERET/ERETNC so that ADEL exception can be raised.

Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Yongbok Kim <yongbok.kim@mips.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Stefan Markovic <smarkovic@wavecomp.com>
---
 target/mips/op_helper.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c
index 53c1eea..65935e7 100644
--- a/target/mips/op_helper.c
+++ b/target/mips/op_helper.c
@@ -2430,10 +2430,12 @@  void helper_eretnc(CPUMIPSState *env)
 void helper_deret(CPUMIPSState *env)
 {
     debug_pre_eret(env);
-    set_pc(env, env->CP0_DEPC);
 
     env->hflags &= ~MIPS_HFLAG_DM;
     compute_hflags(env);
+
+    set_pc(env, env->CP0_DEPC);
+
     debug_post_eret(env);
 }
 #endif /* !CONFIG_USER_ONLY */