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authorSteven J. Hill <sjhill@mips.com>2012-07-12 13:21:31 -0400
committerSteven J. Hill <sjhill@mips.com>2012-09-13 16:43:53 -0400
commite6de1a09a2f6a6825341e8463866553b77848ed6 (patch)
tree473dbf84055f232628e0b37ecfd4d9244d500eb5 /arch/mips
parent625c0a21700bdb90844d926a1508a17a77e369c9 (diff)
MIPS: uasm: Add INS and EXT instructions.
These are MIPS32R2 instructions for merging and extracting bit fields from one GPR into another. Signed-off-by: Steven J. Hill <sjhill@mips.com>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/include/asm/uasm.h2
-rw-r--r--arch/mips/mm/uasm.c23
2 files changed, 20 insertions, 5 deletions
diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h
index 3d9f75f7ffc9..7e0bf17c9324 100644
--- a/arch/mips/include/asm/uasm.h
+++ b/arch/mips/include/asm/uasm.h
@@ -90,6 +90,8 @@ Ip_u2u1u3(_dsrl);
90Ip_u2u1u3(_dsrl32); 90Ip_u2u1u3(_dsrl32);
91Ip_u3u1u2(_dsubu); 91Ip_u3u1u2(_dsubu);
92Ip_0(_eret); 92Ip_0(_eret);
93Ip_u2u1msbu3(_ext);
94Ip_u2u1msbu3(_ins);
93Ip_u1(_j); 95Ip_u1(_j);
94Ip_u1(_jal); 96Ip_u1(_jal);
95Ip_u1(_jr); 97Ip_u1(_jr);
diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c
index 64a28e819064..39b891056227 100644
--- a/arch/mips/mm/uasm.c
+++ b/arch/mips/mm/uasm.c
@@ -63,11 +63,12 @@ enum opcode {
63 insn_bne, insn_cache, insn_daddiu, insn_daddu, insn_dins, insn_dinsm, 63 insn_bne, insn_cache, insn_daddiu, insn_daddu, insn_dins, insn_dinsm,
64 insn_dmfc0, insn_dmtc0, insn_drotr, insn_drotr32, insn_dsll, 64 insn_dmfc0, insn_dmtc0, insn_drotr, insn_drotr32, insn_dsll,
65 insn_dsll32, insn_dsra, insn_dsrl, insn_dsrl32, insn_dsubu, insn_eret, 65 insn_dsll32, insn_dsra, insn_dsrl, insn_dsrl32, insn_dsubu, insn_eret,
66 insn_j, insn_jal, insn_jr, insn_ld, insn_ldx, insn_ll, insn_lld, 66 insn_ext, insn_ins, insn_j, insn_jal, insn_jr, insn_ld, insn_ldx,
67 insn_lui, insn_lw, insn_lwx, insn_mfc0, insn_mtc0, insn_or, insn_ori, 67 insn_ll, insn_lld, insn_lui, insn_lw, insn_lwx, insn_mfc0, insn_mtc0,
68 insn_pref, insn_rfe, insn_rotr, insn_sc, insn_scd, insn_sd, insn_sll, 68 insn_or, insn_ori, insn_pref, insn_rfe, insn_rotr, insn_sc, insn_scd,
69 insn_sra, insn_srl, insn_subu, insn_sw, insn_syscall, insn_tlbp, 69 insn_sd, insn_sll, insn_sra, insn_srl, insn_subu, insn_sw,
70 insn_tlbr, insn_tlbwi, insn_tlbwr, insn_xor, insn_xori, 70 insn_syscall, insn_tlbp, insn_tlbr, insn_tlbwi, insn_tlbwr, insn_xor,
71 insn_xori,
71}; 72};
72 73
73struct insn { 74struct insn {
@@ -115,6 +116,9 @@ static struct insn insn_table[] __uasminitdata = {
115 { insn_dsrl, M(spec_op, 0, 0, 0, 0, dsrl_op), RT | RD | RE }, 116 { insn_dsrl, M(spec_op, 0, 0, 0, 0, dsrl_op), RT | RD | RE },
116 { insn_dsubu, M(spec_op, 0, 0, 0, 0, dsubu_op), RS | RT | RD }, 117 { insn_dsubu, M(spec_op, 0, 0, 0, 0, dsubu_op), RS | RT | RD },
117 { insn_eret, M(cop0_op, cop_op, 0, 0, 0, eret_op), 0 }, 118 { insn_eret, M(cop0_op, cop_op, 0, 0, 0, eret_op), 0 },
119 { insn_ext, M(spec3_op, 0, 0, 0, 0, ext_op), RS | RT | RD | RE },
120 { insn_ins, M(spec3_op, 0, 0, 0, 0, ins_op), RS | RT | RD | RE },
121 { insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM },
118 { insn_jal, M(jal_op, 0, 0, 0, 0, 0), JIMM }, 122 { insn_jal, M(jal_op, 0, 0, 0, 0, 0), JIMM },
119 { insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM }, 123 { insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM },
120 { insn_jr, M(spec_op, 0, 0, 0, 0, jr_op), RS }, 124 { insn_jr, M(spec_op, 0, 0, 0, 0, jr_op), RS },
@@ -341,6 +345,13 @@ Ip_u2u1msbu3(op) \
341} \ 345} \
342UASM_EXPORT_SYMBOL(uasm_i##op); 346UASM_EXPORT_SYMBOL(uasm_i##op);
343 347
348#define I_u2u1msbdu3(op) \
349Ip_u2u1msbu3(op) \
350{ \
351 build_insn(buf, insn##op, b, a, d-1, c); \
352} \
353UASM_EXPORT_SYMBOL(uasm_i##op);
354
344#define I_u1u2(op) \ 355#define I_u1u2(op) \
345Ip_u1u2(op) \ 356Ip_u1u2(op) \
346{ \ 357{ \
@@ -394,6 +405,8 @@ I_u2u1u3(_drotr)
394I_u2u1u3(_drotr32) 405I_u2u1u3(_drotr32)
395I_u3u1u2(_dsubu) 406I_u3u1u2(_dsubu)
396I_0(_eret) 407I_0(_eret)
408I_u2u1msbdu3(_ext)
409I_u2u1msbu3(_ins)
397I_u1(_j) 410I_u1(_j)
398I_u1(_jal) 411I_u1(_jal)
399I_u1(_jr) 412I_u1(_jr)