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[PATCH v3,04/10] Add the MIPS32R2 'ins' and 'ext' instructions for use b

To: linux-mips@linux-mips.org, ralf@linux-mips.org
Subject: [PATCH v3,04/10] Add the MIPS32R2 'ins' and 'ext' instructions for use by the kernel's micro-assembler.
From: "Steven J. Hill" <sjhill@mips.com>
Date: Fri, 11 May 2012 15:22:40 -0500
Cc: "Steven J. Hill" <sjhill@mips.com>
Sender: linux-mips-bounce@linux-mips.org
From: "Steven J. Hill" <sjhill@mips.com>

Signed-off-by: Steven J. Hill <sjhill@mips.com>
---
 arch/mips/include/asm/uasm.h |    2 ++
 arch/mips/mm/uasm.c          |   13 +++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h
index 504d40a..814bc9f 100644
--- a/arch/mips/include/asm/uasm.h
+++ b/arch/mips/include/asm/uasm.h
@@ -114,6 +114,8 @@ Ip_0(_tlbwi);
 Ip_0(_tlbwr);
 Ip_u3u1u2(_xor);
 Ip_u2u1u3(_xori);
+Ip_u2u1msbu3(_ext);
+Ip_u2u1msbu3(_ins);
 Ip_u2u1msbu3(_dins);
 Ip_u2u1msbu3(_dinsm);
 Ip_u1(_syscall);
diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c
index 5fa1851..d3d0218 100644
--- a/arch/mips/mm/uasm.c
+++ b/arch/mips/mm/uasm.c
@@ -10,6 +10,7 @@
  * Copyright (C) 2004, 2005, 2006, 2008  Thiemo Seufer
  * Copyright (C) 2005, 2007  Maciej W. Rozycki
  * Copyright (C) 2006  Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2011, 2012  MIPS Technologies, Inc.
  */
 
 #include <linux/kernel.h>
@@ -63,6 +64,7 @@ enum opcode {
        insn_bne, insn_cache, insn_daddu, insn_daddiu, insn_dmfc0,
        insn_dmtc0, insn_dsll, insn_dsll32, insn_dsra, insn_dsrl,
        insn_dsrl32, insn_drotr, insn_drotr32, insn_dsubu, insn_eret,
+       insn_ins, insn_ext,
        insn_j, insn_jal, insn_jr, insn_ld, insn_ll, insn_lld,
        insn_lui, insn_lw, insn_mfc0, insn_mtc0, insn_or, insn_ori,
        insn_pref, insn_rfe, insn_sc, insn_scd, insn_sd, insn_sll,
@@ -113,6 +115,8 @@ static struct insn insn_table[] __uasminitdata = {
        { insn_drotr32, M(spec_op, 1, 0, 0, 0, dsrl32_op), RT | RD | RE },
        { insn_dsubu, M(spec_op, 0, 0, 0, 0, dsubu_op), RS | RT | RD },
        { insn_eret,  M(cop0_op, cop_op, 0, 0, 0, eret_op),  0 },
+       { insn_ins, M(spec3_op, 0, 0, 0, 0, ins_op), RS | RT | RD | RE },
+       { insn_ext, M(spec3_op, 0, 0, 0, 0, ext_op), RS | RT | RD | RE },
        { insn_j,  M(j_op, 0, 0, 0, 0, 0),  JIMM },
        { insn_jal,  M(jal_op, 0, 0, 0, 0, 0),  JIMM },
        { insn_jr,  M(spec_op, 0, 0, 0, 0, jr_op),  RS },
@@ -343,6 +347,13 @@ Ip_u2u1msbu3(op)                                   \
 }                                                      \
 UASM_EXPORT_SYMBOL(uasm_i##op);
 
+#define I_u2u1mmsbu3(op)                               \
+Ip_u2u1msbu3(op)                                       \
+{                                                      \
+       build_insn(buf, insn##op, b, a, d-1, c);        \
+}                                                      \
+UASM_EXPORT_SYMBOL(uasm_i##op);
+
 #define I_u1u2(op)                                     \
 Ip_u1u2(op)                                            \
 {                                                      \
@@ -396,6 +407,8 @@ I_u2u1u3(_drotr)
 I_u2u1u3(_drotr32)
 I_u3u1u2(_dsubu)
 I_0(_eret)
+I_u2u1msbu3(_ins)
+I_u2u1mmsbu3(_ext)
 I_u1(_j)
 I_u1(_jal)
 I_u1(_jr)
-- 
1.7.10


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