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[Qemu-devel] [PATCH v2 2/2] target-sh4: Add support for ldc & stc with s

From: Alexandre Courbot
Subject: [Qemu-devel] [PATCH v2 2/2] target-sh4: Add support for ldc & stc with sgr
Date: Mon, 12 Jul 2010 14:05:32 +0900

Add support for the following missing priviledged intructions:

For SH4:
- stc sgr, Rn
- stc.l sgr, @-Rn

For SH4A:
- ldc Rm, sgr
- ldc.l @Rm+, sgr

Signed-off-by: Alexandre Courbot <address@hidden>
 target-sh4/translate.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/target-sh4/translate.c b/target-sh4/translate.c
index 3abafd0..deee939 100644
--- a/target-sh4/translate.c
+++ b/target-sh4/translate.c
@@ -1543,6 +1543,8 @@ static void _decode_opc(DisasContext * ctx)
        LDST(vbr,  0x402e, 0x4027, 0x0022, 0x4023, CHECK_PRIVILEGED)
        LDST(ssr,  0x403e, 0x4037, 0x0032, 0x4033, CHECK_PRIVILEGED)
        LDST(spc,  0x404e, 0x4047, 0x0042, 0x4043, CHECK_PRIVILEGED)
+       ST(sgr,  0x003a, 0x4032, CHECK_PRIVILEGED)
+       LD(sgr,  0x403a, 0x4036, CHECK_PRIVILEGED if (!(ctx->features & 
SH_FEATURE_SH4A)) break;)
        LDST(dbr,  0x40fa, 0x40f6, 0x00fa, 0x40f2, CHECK_PRIVILEGED)
        LDST(mach, 0x400a, 0x4006, 0x000a, 0x4002, {})
        LDST(macl, 0x401a, 0x4016, 0x001a, 0x4012, {})

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