linux-mips
[Top] [All Lists]

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

To: linux-mips@linux-mips.org, ralf@linux-mips.org, ananth@in.ibm.com, anil.s.keshavamurthy@intel.com, davem@davemloft.net, masami.hiramatsu.pt@hitachi.com
Subject: [PATCH 2/5] MIPS: Add instrunction format for BREAK and SYSCALL
From: David Daney <ddaney@caviumnetworks.com>
Date: Tue, 3 Aug 2010 11:22:19 -0700
Cc: linux-kernel@vger.kernel.org, hschauhan@nulltrace.org, David Daney <ddaney@caviumnetworks.com>
In-reply-to: <1280859742-26364-1-git-send-email-ddaney@caviumnetworks.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <1280859742-26364-1-git-send-email-ddaney@caviumnetworks.com>
Sender: linux-mips-bounce@linux-mips.org
Signed-off-by: David Daney <ddaney@caviumnetworks.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


<Prev in Thread] Current Thread [Next in Thread>