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From: Alexandre Courbot <gnurou@gmail.com>
To: qemu-devel@nongnu.org
Cc: Alexandre Courbot <gnurou@gmail.com>
Subject: [Qemu-devel] [PATCH 2/2] target-sh4: Add support for ldc & stc with sgr
Date: Fri,  9 Jul 2010 15:38:36 +0900	[thread overview]
Message-ID: <1278657516-26130-3-git-send-email-gnurou@gmail.com> (raw)
In-Reply-To: <1278657516-26130-1-git-send-email-gnurou@gmail.com>

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
---
 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, {})
-- 
1.7.1.1

  parent reply	other threads:[~2010-07-09  6:36 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-09  6:38 [Qemu-devel] [PATCH 0/2] target-sh4: Add support for missing ldc & stc instructions with sgr Alexandre Courbot
2010-07-09  6:38 ` [Qemu-devel] [PATCH 1/2] target-sh4: Split the LDST macro into 2 sub-macros Alexandre Courbot
2010-07-09  6:38 ` Alexandre Courbot [this message]
2010-07-09 13:15 ` [Qemu-devel] [PATCH 0/2] target-sh4: Add support for missing ldc & stc instructions with sgr Nathan Froyd

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