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[PULL,v2,6/9] target/mips: Fix microMIPS on reset

Message ID 1530124149-3900-7-git-send-email-aleksandar.markovic@rt-rk.com
State New
Headers show
Series [PULL,v2,1/9] MAINTAINERS: update target-mips maintainers | expand

Commit Message

Aleksandar Markovic June 27, 2018, 6:29 p.m. UTC 
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(+)
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Patch

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);