[Qemu-devel] [PATCH 02/35] target/mips: Fix microMIPS on reset

[Yongbok Kim <yongbok.kim@mips.com>]

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

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

Signed-off-by: Yongbok Kim <yongbok.kim@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..bfbc300 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/nanoMIPS on reset when Config3.ISA == {1, 3} */
+        env->hflags |= MIPS_HFLAG_M16;
+    }
+
     /* MSA */
     if (env->CP0_Config3 & (1 << CP0C3_MSAP)) {
         msa_reset(env);
-- 
1.9.1