linux-kernel - [PATCH 2/5] MIPS: Add instrunction format for BREAK and SYSCALL

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Message-Id: <1280859742-26364-3-git-send-email-ddaney@caviumnetworks.com>
Date:	Tue,  3 Aug 2010 11:22:19 -0700
From:	David Daney <ddaney@...iumnetworks.com>
To:	linux-mips@...ux-mips.org, ralf@...ux-mips.org, ananth@...ibm.com,
	anil.s.keshavamurthy@...el.com, davem@...emloft.net,
	masami.hiramatsu.pt@...achi.com
Cc:	linux-kernel@...r.kernel.org, hschauhan@...ltrace.org,
	David Daney <ddaney@...iumnetworks.com>
Subject: [PATCH 2/5] MIPS: Add instrunction format for BREAK and SYSCALL

Signed-off-by: David Daney <ddaney@...iumnetworks.com>
---
 arch/mips/include/asm/inst.h |   15 ++++++++++++++-
 1 files changed, 14 insertions(+), 1 deletions(-)

diff --git a/arch/mips/include/asm/inst.h b/arch/mips/include/asm/inst.h
index 6489f00..444ff71 100644
--- a/arch/mips/include/asm/inst.h
+++ b/arch/mips/include/asm/inst.h
@@ -247,6 +247,12 @@ struct ma_format {	/* FPU multipy and add format (MIPS IV) */
 	unsigned int fmt : 2;
 };
 
+struct b_format { /* BREAK and SYSCALL */
+	unsigned int opcode:6;
+	unsigned int code:20;
+	unsigned int func:6;
+};
+
 #elif defined(__MIPSEL__)
 
 struct j_format {	/* Jump format */
@@ -314,6 +320,12 @@ struct ma_format {	/* FPU multipy and add format (MIPS IV) */
 	unsigned int opcode : 6;
 };
 
+struct b_format { /* BREAK and SYSCALL */
+	unsigned int func:6;
+	unsigned int code:20;
+	unsigned int opcode:6;
+};
+
 #else /* !defined (__MIPSEB__) && !defined (__MIPSEL__) */
 #error "MIPS but neither __MIPSEL__ nor __MIPSEB__?"
 #endif
@@ -328,7 +340,8 @@ union mips_instruction {
 	struct c_format c_format;
 	struct r_format r_format;
 	struct f_format f_format;
-        struct ma_format ma_format;
+	struct ma_format ma_format;
+	struct b_format b_format;
 };
 
 /* HACHACHAHCAHC ...  */
-- 
1.7.1.1

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