[Qemu-devel] [PULL v2 6/9] target/mips: Fix microMIPS on reset

From: Aleksandar Markovic <aleksandar.markovic@rt-rk.com>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org
Subject: [Qemu-devel] [PULL v2 6/9] target/mips: Fix microMIPS on reset
Date: Wed, 27 Jun 2018 20:29:06 +0200	[thread overview]
Message-ID: <1530124149-3900-7-git-send-email-aleksandar.markovic@rt-rk.com> (raw)
In-Reply-To: <1530124149-3900-1-git-send-email-aleksandar.markovic@rt-rk.com>

From: Yongbok Kim <yongbok.kim@mips.com>

Fix to activate microMIPS on reset when Config3.ISA == {1, 3}

Signed-off-by: Yongbok Kim <yongbok.kim@mips.com>
Reviewed-by: Aleksandar Markovic <aleksandar.markovic@mips.com>
Signed-off-by: Aleksandar Markovic <aleksandar.markovic@mips.com>
---
 target/mips/translate.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/target/mips/translate.c b/target/mips/translate.c
index e57d71e..2eb211a 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -20713,6 +20713,11 @@ void cpu_state_reset(CPUMIPSState *env)
         env->CP0_Status |= (1 << CP0St_FR);
     }
 
+    if (env->CP0_Config3 & (1 << CP0C3_ISA)) {
+        /*  microMIPS on reset when Config3.ISA == {1, 3} */
+        env->hflags |= MIPS_HFLAG_M16;
+    }
+
     /* MSA */
     if (env->CP0_Config3 & (1 << CP0C3_MSAP)) {
         msa_reset(env);
-- 
2.7.4
