[PATCH 2/3] target/openrisc: Set PC to cpu state on FPU exception

From: Stafford Horne <shorne@gmail.com>
To: QEMU Development <qemu-devel@nongnu.org>
Cc: Linux OpenRISC <linux-openrisc@vger.kernel.org>,
	Stafford Horne <shorne@gmail.com>
Subject: [PATCH 2/3] target/openrisc: Set PC to cpu state on FPU exception
Date: Tue,  2 May 2023 19:57:30 +0100	[thread overview]
Message-ID: <20230502185731.3543420-3-shorne@gmail.com> (raw)
In-Reply-To: <20230502185731.3543420-1-shorne@gmail.com>

Store the PC to ensure the correct value can be read in the exception
handler.

Signed-off-by: Stafford Horne <shorne@gmail.com>
---
 target/openrisc/fpu_helper.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target/openrisc/fpu_helper.c b/target/openrisc/fpu_helper.c
index f9e34fa2cc..1feebb9ac7 100644
--- a/target/openrisc/fpu_helper.c
+++ b/target/openrisc/fpu_helper.c
@@ -20,6 +20,7 @@
 
 #include "qemu/osdep.h"
 #include "cpu.h"
+#include "exec/exec-all.h"
 #include "exec/helper-proto.h"
 #include "exception.h"
 #include "fpu/softfloat.h"
@@ -55,6 +56,9 @@ void HELPER(update_fpcsr)(CPUOpenRISCState *env)
         if (tmp) {
             env->fpcsr |= tmp;
             if (env->fpcsr & FPCSR_FPEE) {
+                CPUState *cs = env_cpu(env);
+
+                cpu_restore_state(cs, GETPC());
                 helper_exception(env, EXCP_FPE);
             }
         }
-- 
2.39.1


