1e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer/* 2e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer * This file is subject to the terms and conditions of the GNU General Public 3e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer * License. See the file "COPYING" in the main directory of this archive 4e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer * for more details. 5e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer * 6e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer * A small micro-assembler. It is intentionally kept simple, does only 7e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer * support a subset of instructions, and does not try to hide pipeline 8e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer * effects like branch delay slots. 9e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer * 10e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer * Copyright (C) 2004, 2005, 2006, 2008 Thiemo Seufer 11e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer * Copyright (C) 2005, 2007 Maciej W. Rozycki 12e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org) 13e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer */ 14e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 15e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#include <linux/kernel.h> 16e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#include <linux/types.h> 17e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#include <linux/init.h> 18e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 19e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#include <asm/inst.h> 20e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#include <asm/elf.h> 21e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#include <asm/bugs.h> 223482d713a91befb8c96722cb8d55aed36c212d9eFlorian Fainelli#include <asm/uasm.h> 23e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 24e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferenum fields { 25e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer RS = 0x001, 26e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer RT = 0x002, 27e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer RD = 0x004, 28e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer RE = 0x008, 29e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer SIMM = 0x010, 30e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer UIMM = 0x020, 31e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer BIMM = 0x040, 32e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer JIMM = 0x080, 33e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer FUNC = 0x100, 3458b9e2239fa63c7c470acb4a77e9da17e6a6fa4fDavid Daney SET = 0x200, 3558b9e2239fa63c7c470acb4a77e9da17e6a6fa4fDavid Daney SCIMM = 0x400 36e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer}; 37e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 38e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define OP_MASK 0x3f 39e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define OP_SH 26 40e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define RS_MASK 0x1f 41e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define RS_SH 21 42e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define RT_MASK 0x1f 43e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define RT_SH 16 44e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define RD_MASK 0x1f 45e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define RD_SH 11 46e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define RE_MASK 0x1f 47e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define RE_SH 6 48e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define IMM_MASK 0xffff 49e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define IMM_SH 0 50e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define JIMM_MASK 0x3ffffff 51e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define JIMM_SH 0 52e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define FUNC_MASK 0x3f 53e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define FUNC_SH 0 54e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define SET_MASK 0x7 55e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define SET_SH 0 5658b9e2239fa63c7c470acb4a77e9da17e6a6fa4fDavid Daney#define SCIMM_MASK 0xfffff 5758b9e2239fa63c7c470acb4a77e9da17e6a6fa4fDavid Daney#define SCIMM_SH 6 58e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 59e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferenum opcode { 60e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer insn_invalid, 61e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer insn_addu, insn_addiu, insn_and, insn_andi, insn_beq, 62e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer insn_beql, insn_bgez, insn_bgezl, insn_bltz, insn_bltzl, 63fb2a27e743cd565c25cd896911e494482a8b7251Thiemo Seufer insn_bne, insn_cache, insn_daddu, insn_daddiu, insn_dmfc0, 64fb2a27e743cd565c25cd896911e494482a8b7251Thiemo Seufer insn_dmtc0, insn_dsll, insn_dsll32, insn_dsra, insn_dsrl, 65de6d5b555c1887b5b9b59854a45ebd4805fb4b39David Daney insn_dsrl32, insn_drotr, insn_drotr32, insn_dsubu, insn_eret, 66de6d5b555c1887b5b9b59854a45ebd4805fb4b39David Daney insn_j, insn_jal, insn_jr, insn_ld, insn_ll, insn_lld, 67de6d5b555c1887b5b9b59854a45ebd4805fb4b39David Daney insn_lui, insn_lw, insn_mfc0, insn_mtc0, insn_or, insn_ori, 68de6d5b555c1887b5b9b59854a45ebd4805fb4b39David Daney insn_pref, insn_rfe, insn_sc, insn_scd, insn_sd, insn_sll, 69de6d5b555c1887b5b9b59854a45ebd4805fb4b39David Daney insn_sra, insn_srl, insn_rotr, insn_subu, insn_sw, insn_tlbp, 70de6d5b555c1887b5b9b59854a45ebd4805fb4b39David Daney insn_tlbr, insn_tlbwi, insn_tlbwr, insn_xor, insn_xori, 71bb3d68c30a00918d4c9fa02a5c17a5aacf597977David Daney insn_dins, insn_dinsm, insn_syscall, insn_bbit0, insn_bbit1, 72bb3d68c30a00918d4c9fa02a5c17a5aacf597977David Daney insn_lwx, insn_ldx 73e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer}; 74e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 75e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferstruct insn { 76e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer enum opcode opcode; 77e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer u32 match; 78e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer enum fields fields; 79e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer}; 80e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 81e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer/* This macro sets the non-variable bits of an instruction. */ 82e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define M(a, b, c, d, e, f) \ 83e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer ((a) << OP_SH \ 84e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer | (b) << RS_SH \ 85e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer | (c) << RT_SH \ 86e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer | (d) << RD_SH \ 87e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer | (e) << RE_SH \ 88e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer | (f) << FUNC_SH) 89e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 9022b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic struct insn insn_table[] __uasminitdata = { 91e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_addiu, M(addiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, 92e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_addu, M(spec_op, 0, 0, 0, 0, addu_op), RS | RT | RD }, 93e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_and, M(spec_op, 0, 0, 0, 0, and_op), RS | RT | RD }, 94e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_andi, M(andi_op, 0, 0, 0, 0, 0), RS | RT | UIMM }, 95e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_beq, M(beq_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, 96e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_beql, M(beql_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, 97e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_bgez, M(bcond_op, 0, bgez_op, 0, 0, 0), RS | BIMM }, 98e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_bgezl, M(bcond_op, 0, bgezl_op, 0, 0, 0), RS | BIMM }, 99e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_bltz, M(bcond_op, 0, bltz_op, 0, 0, 0), RS | BIMM }, 100e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_bltzl, M(bcond_op, 0, bltzl_op, 0, 0, 0), RS | BIMM }, 101e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_bne, M(bne_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, 102fb2a27e743cd565c25cd896911e494482a8b7251Thiemo Seufer { insn_cache, M(cache_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, 103e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_daddiu, M(daddiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, 104e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_daddu, M(spec_op, 0, 0, 0, 0, daddu_op), RS | RT | RD }, 105e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_dmfc0, M(cop0_op, dmfc_op, 0, 0, 0, 0), RT | RD | SET}, 106e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_dmtc0, M(cop0_op, dmtc_op, 0, 0, 0, 0), RT | RD | SET}, 107e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_dsll, M(spec_op, 0, 0, 0, 0, dsll_op), RT | RD | RE }, 108e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_dsll32, M(spec_op, 0, 0, 0, 0, dsll32_op), RT | RD | RE }, 109e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_dsra, M(spec_op, 0, 0, 0, 0, dsra_op), RT | RD | RE }, 110e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_dsrl, M(spec_op, 0, 0, 0, 0, dsrl_op), RT | RD | RE }, 111e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_dsrl32, M(spec_op, 0, 0, 0, 0, dsrl32_op), RT | RD | RE }, 11292078e0618f525e22945040b5daea21d4b6d4a16David Daney { insn_drotr, M(spec_op, 1, 0, 0, 0, dsrl_op), RT | RD | RE }, 113de6d5b555c1887b5b9b59854a45ebd4805fb4b39David Daney { insn_drotr32, M(spec_op, 1, 0, 0, 0, dsrl32_op), RT | RD | RE }, 114e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_dsubu, M(spec_op, 0, 0, 0, 0, dsubu_op), RS | RT | RD }, 115e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_eret, M(cop0_op, cop_op, 0, 0, 0, eret_op), 0 }, 116e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM }, 117e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_jal, M(jal_op, 0, 0, 0, 0, 0), JIMM }, 118e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_jr, M(spec_op, 0, 0, 0, 0, jr_op), RS }, 119e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_ld, M(ld_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, 120e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_ll, M(ll_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, 121e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_lld, M(lld_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, 122e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_lui, M(lui_op, 0, 0, 0, 0, 0), RT | SIMM }, 123e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_lw, M(lw_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, 124e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_mfc0, M(cop0_op, mfc_op, 0, 0, 0, 0), RT | RD | SET}, 125e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_mtc0, M(cop0_op, mtc_op, 0, 0, 0, 0), RT | RD | SET}, 1265808184f1b2fe06ef8a54a2b7fb1596d58098acfRalf Baechle { insn_or, M(spec_op, 0, 0, 0, 0, or_op), RS | RT | RD }, 127e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_ori, M(ori_op, 0, 0, 0, 0, 0), RS | RT | UIMM }, 128fb2a27e743cd565c25cd896911e494482a8b7251Thiemo Seufer { insn_pref, M(pref_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, 129e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_rfe, M(cop0_op, cop_op, 0, 0, 0, rfe_op), 0 }, 130e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_sc, M(sc_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, 131e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_scd, M(scd_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, 132e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_sd, M(sd_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, 133e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_sll, M(spec_op, 0, 0, 0, 0, sll_op), RT | RD | RE }, 134e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_sra, M(spec_op, 0, 0, 0, 0, sra_op), RT | RD | RE }, 135e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_srl, M(spec_op, 0, 0, 0, 0, srl_op), RT | RD | RE }, 13632546f38fab839eee6f62b3f06c2774eade4188aDavid Daney { insn_rotr, M(spec_op, 1, 0, 0, 0, srl_op), RT | RD | RE }, 137e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_subu, M(spec_op, 0, 0, 0, 0, subu_op), RS | RT | RD }, 138e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_sw, M(sw_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, 139e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_tlbp, M(cop0_op, cop_op, 0, 0, 0, tlbp_op), 0 }, 14032546f38fab839eee6f62b3f06c2774eade4188aDavid Daney { insn_tlbr, M(cop0_op, cop_op, 0, 0, 0, tlbr_op), 0 }, 141e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_tlbwi, M(cop0_op, cop_op, 0, 0, 0, tlbwi_op), 0 }, 142e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_tlbwr, M(cop0_op, cop_op, 0, 0, 0, tlbwr_op), 0 }, 143e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_xor, M(spec_op, 0, 0, 0, 0, xor_op), RS | RT | RD }, 144e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_xori, M(xori_op, 0, 0, 0, 0, 0), RS | RT | UIMM }, 14592078e0618f525e22945040b5daea21d4b6d4a16David Daney { insn_dins, M(spec3_op, 0, 0, 0, 0, dins_op), RS | RT | RD | RE }, 146c42aef0947d717849f31965ecc0778707839bfe0David Daney { insn_dinsm, M(spec3_op, 0, 0, 0, 0, dinsm_op), RS | RT | RD | RE }, 14758b9e2239fa63c7c470acb4a77e9da17e6a6fa4fDavid Daney { insn_syscall, M(spec_op, 0, 0, 0, 0, syscall_op), SCIMM}, 1485b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daney { insn_bbit0, M(lwc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, 1495b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daney { insn_bbit1, M(swc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, 150bb3d68c30a00918d4c9fa02a5c17a5aacf597977David Daney { insn_lwx, M(spec3_op, 0, 0, 0, lwx_op, lx_op), RS | RT | RD }, 151bb3d68c30a00918d4c9fa02a5c17a5aacf597977David Daney { insn_ldx, M(spec3_op, 0, 0, 0, ldx_op, lx_op), RS | RT | RD }, 152e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer { insn_invalid, 0, 0 } 153e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer}; 154e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 155e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#undef M 156e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 15722b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic inline __uasminit u32 build_rs(u32 arg) 158e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 1598d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney WARN(arg & ~RS_MASK, KERN_WARNING "Micro-assembler field overflow\n"); 160e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 161e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return (arg & RS_MASK) << RS_SH; 162e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 163e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 16422b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic inline __uasminit u32 build_rt(u32 arg) 165e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 1668d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney WARN(arg & ~RT_MASK, KERN_WARNING "Micro-assembler field overflow\n"); 167e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 168e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return (arg & RT_MASK) << RT_SH; 169e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 170e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 17122b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic inline __uasminit u32 build_rd(u32 arg) 172e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 1738d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney WARN(arg & ~RD_MASK, KERN_WARNING "Micro-assembler field overflow\n"); 174e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 175e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return (arg & RD_MASK) << RD_SH; 176e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 177e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 17822b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic inline __uasminit u32 build_re(u32 arg) 179e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 1808d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney WARN(arg & ~RE_MASK, KERN_WARNING "Micro-assembler field overflow\n"); 181e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 182e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return (arg & RE_MASK) << RE_SH; 183e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 184e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 18522b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic inline __uasminit u32 build_simm(s32 arg) 186e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 1878d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney WARN(arg > 0x7fff || arg < -0x8000, 1888d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney KERN_WARNING "Micro-assembler field overflow\n"); 189e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 190e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return arg & 0xffff; 191e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 192e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 19322b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic inline __uasminit u32 build_uimm(u32 arg) 194e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 1958d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney WARN(arg & ~IMM_MASK, KERN_WARNING "Micro-assembler field overflow\n"); 196e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 197e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return arg & IMM_MASK; 198e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 199e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 20022b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic inline __uasminit u32 build_bimm(s32 arg) 201e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 2028d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney WARN(arg > 0x1ffff || arg < -0x20000, 2038d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney KERN_WARNING "Micro-assembler field overflow\n"); 204e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 2058d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney WARN(arg & 0x3, KERN_WARNING "Invalid micro-assembler branch target\n"); 206e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 207e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return ((arg < 0) ? (1 << 15) : 0) | ((arg >> 2) & 0x7fff); 208e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 209e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 21022b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic inline __uasminit u32 build_jimm(u32 arg) 211e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 2128d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney WARN(arg & ~(JIMM_MASK << 2), 2138d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney KERN_WARNING "Micro-assembler field overflow\n"); 214e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 215e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return (arg >> 2) & JIMM_MASK; 216e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 217e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 21822b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic inline __uasminit u32 build_scimm(u32 arg) 21958b9e2239fa63c7c470acb4a77e9da17e6a6fa4fDavid Daney{ 2208d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney WARN(arg & ~SCIMM_MASK, 2218d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney KERN_WARNING "Micro-assembler field overflow\n"); 22258b9e2239fa63c7c470acb4a77e9da17e6a6fa4fDavid Daney 22358b9e2239fa63c7c470acb4a77e9da17e6a6fa4fDavid Daney return (arg & SCIMM_MASK) << SCIMM_SH; 22458b9e2239fa63c7c470acb4a77e9da17e6a6fa4fDavid Daney} 22558b9e2239fa63c7c470acb4a77e9da17e6a6fa4fDavid Daney 22622b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic inline __uasminit u32 build_func(u32 arg) 227e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 2288d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney WARN(arg & ~FUNC_MASK, KERN_WARNING "Micro-assembler field overflow\n"); 229e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 230e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return arg & FUNC_MASK; 231e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 232e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 23322b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic inline __uasminit u32 build_set(u32 arg) 234e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 2358d662c8d34a05e8e47deaa9e22fe770dc557c2d3David Daney WARN(arg & ~SET_MASK, KERN_WARNING "Micro-assembler field overflow\n"); 236e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 237e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return arg & SET_MASK; 238e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 239e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 240e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer/* 241e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer * The order of opcode arguments is implicitly left to right, 242e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer * starting with RS and ending with FUNC or IMM. 243e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer */ 24422b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic void __uasminit build_insn(u32 **buf, enum opcode opc, ...) 245e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 246e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer struct insn *ip = NULL; 247e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer unsigned int i; 248e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer va_list ap; 249e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer u32 op; 250e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 251e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer for (i = 0; insn_table[i].opcode != insn_invalid; i++) 252e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (insn_table[i].opcode == opc) { 253e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer ip = &insn_table[i]; 254e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer break; 255e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer } 256e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 257e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (!ip || (opc == insn_daddiu && r4k_daddiu_bug())) 258e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer panic("Unsupported Micro-assembler instruction %d", opc); 259e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 260e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer op = ip->match; 261e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer va_start(ap, opc); 262e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (ip->fields & RS) 263e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer op |= build_rs(va_arg(ap, u32)); 264e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (ip->fields & RT) 265e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer op |= build_rt(va_arg(ap, u32)); 266e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (ip->fields & RD) 267e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer op |= build_rd(va_arg(ap, u32)); 268e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (ip->fields & RE) 269e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer op |= build_re(va_arg(ap, u32)); 270e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (ip->fields & SIMM) 271e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer op |= build_simm(va_arg(ap, s32)); 272e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (ip->fields & UIMM) 273e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer op |= build_uimm(va_arg(ap, u32)); 274e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (ip->fields & BIMM) 275e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer op |= build_bimm(va_arg(ap, s32)); 276e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (ip->fields & JIMM) 277e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer op |= build_jimm(va_arg(ap, u32)); 278e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (ip->fields & FUNC) 279e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer op |= build_func(va_arg(ap, u32)); 280e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (ip->fields & SET) 281e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer op |= build_set(va_arg(ap, u32)); 28258b9e2239fa63c7c470acb4a77e9da17e6a6fa4fDavid Daney if (ip->fields & SCIMM) 28358b9e2239fa63c7c470acb4a77e9da17e6a6fa4fDavid Daney op |= build_scimm(va_arg(ap, u32)); 284e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer va_end(ap); 285e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 286e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer **buf = op; 287e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer (*buf)++; 288e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 289e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 290e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define I_u1u2u3(op) \ 291e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferIp_u1u2u3(op) \ 292e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ \ 293e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer build_insn(buf, insn##op, a, b, c); \ 29422b0763a2328434ac68cca884e1b7d350ca61332David Daney} \ 29522b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_i##op); 296e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 297e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define I_u2u1u3(op) \ 298e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferIp_u2u1u3(op) \ 299e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ \ 300e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer build_insn(buf, insn##op, b, a, c); \ 30122b0763a2328434ac68cca884e1b7d350ca61332David Daney} \ 30222b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_i##op); 303e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 304e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define I_u3u1u2(op) \ 305e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferIp_u3u1u2(op) \ 306e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ \ 307e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer build_insn(buf, insn##op, b, c, a); \ 30822b0763a2328434ac68cca884e1b7d350ca61332David Daney} \ 30922b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_i##op); 310e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 311e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define I_u1u2s3(op) \ 312e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferIp_u1u2s3(op) \ 313e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ \ 314e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer build_insn(buf, insn##op, a, b, c); \ 31522b0763a2328434ac68cca884e1b7d350ca61332David Daney} \ 31622b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_i##op); 317e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 318e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define I_u2s3u1(op) \ 319e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferIp_u2s3u1(op) \ 320e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ \ 321e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer build_insn(buf, insn##op, c, a, b); \ 32222b0763a2328434ac68cca884e1b7d350ca61332David Daney} \ 32322b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_i##op); 324e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 325e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define I_u2u1s3(op) \ 326e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferIp_u2u1s3(op) \ 327e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ \ 328e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer build_insn(buf, insn##op, b, a, c); \ 32922b0763a2328434ac68cca884e1b7d350ca61332David Daney} \ 33022b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_i##op); 331e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 33292078e0618f525e22945040b5daea21d4b6d4a16David Daney#define I_u2u1msbu3(op) \ 33392078e0618f525e22945040b5daea21d4b6d4a16David DaneyIp_u2u1msbu3(op) \ 33492078e0618f525e22945040b5daea21d4b6d4a16David Daney{ \ 33592078e0618f525e22945040b5daea21d4b6d4a16David Daney build_insn(buf, insn##op, b, a, c+d-1, c); \ 33622b0763a2328434ac68cca884e1b7d350ca61332David Daney} \ 33722b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_i##op); 33892078e0618f525e22945040b5daea21d4b6d4a16David Daney 339c42aef0947d717849f31965ecc0778707839bfe0David Daney#define I_u2u1msb32u3(op) \ 340c42aef0947d717849f31965ecc0778707839bfe0David DaneyIp_u2u1msbu3(op) \ 341c42aef0947d717849f31965ecc0778707839bfe0David Daney{ \ 342c42aef0947d717849f31965ecc0778707839bfe0David Daney build_insn(buf, insn##op, b, a, c+d-33, c); \ 343c42aef0947d717849f31965ecc0778707839bfe0David Daney} \ 344c42aef0947d717849f31965ecc0778707839bfe0David DaneyUASM_EXPORT_SYMBOL(uasm_i##op); 345c42aef0947d717849f31965ecc0778707839bfe0David Daney 346e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define I_u1u2(op) \ 347e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferIp_u1u2(op) \ 348e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ \ 349e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer build_insn(buf, insn##op, a, b); \ 35022b0763a2328434ac68cca884e1b7d350ca61332David Daney} \ 35122b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_i##op); 352e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 353e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define I_u1s2(op) \ 354e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferIp_u1s2(op) \ 355e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ \ 356e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer build_insn(buf, insn##op, a, b); \ 35722b0763a2328434ac68cca884e1b7d350ca61332David Daney} \ 35822b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_i##op); 359e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 360e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define I_u1(op) \ 361e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferIp_u1(op) \ 362e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ \ 363e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer build_insn(buf, insn##op, a); \ 36422b0763a2328434ac68cca884e1b7d350ca61332David Daney} \ 36522b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_i##op); 366e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 367e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#define I_0(op) \ 368e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferIp_0(op) \ 369e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ \ 370e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer build_insn(buf, insn##op); \ 37122b0763a2328434ac68cca884e1b7d350ca61332David Daney} \ 37222b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_i##op); 373e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 374e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2u1s3(_addiu) 375e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u3u1u2(_addu) 376e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2u1u3(_andi) 377e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u3u1u2(_and) 378e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1u2s3(_beq) 379e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1u2s3(_beql) 380e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1s2(_bgez) 381e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1s2(_bgezl) 382e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1s2(_bltz) 383e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1s2(_bltzl) 384e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1u2s3(_bne) 385fb2a27e743cd565c25cd896911e494482a8b7251Thiemo SeuferI_u2s3u1(_cache) 386e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1u2u3(_dmfc0) 387e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1u2u3(_dmtc0) 388e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2u1s3(_daddiu) 389e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u3u1u2(_daddu) 390e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2u1u3(_dsll) 391e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2u1u3(_dsll32) 392e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2u1u3(_dsra) 393e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2u1u3(_dsrl) 394e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2u1u3(_dsrl32) 39592078e0618f525e22945040b5daea21d4b6d4a16David DaneyI_u2u1u3(_drotr) 396de6d5b555c1887b5b9b59854a45ebd4805fb4b39David DaneyI_u2u1u3(_drotr32) 397e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u3u1u2(_dsubu) 398e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_0(_eret) 399e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1(_j) 400e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1(_jal) 401e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1(_jr) 402e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2s3u1(_ld) 403e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2s3u1(_ll) 404e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2s3u1(_lld) 405e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1s2(_lui) 406e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2s3u1(_lw) 407e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1u2u3(_mfc0) 408e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u1u2u3(_mtc0) 409e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2u1u3(_ori) 4105808184f1b2fe06ef8a54a2b7fb1596d58098acfRalf BaechleI_u3u1u2(_or) 411e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_0(_rfe) 412e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2s3u1(_sc) 413e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2s3u1(_scd) 414e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2s3u1(_sd) 415e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2u1u3(_sll) 416e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2u1u3(_sra) 417e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2u1u3(_srl) 41832546f38fab839eee6f62b3f06c2774eade4188aDavid DaneyI_u2u1u3(_rotr) 419e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u3u1u2(_subu) 420e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2s3u1(_sw) 421e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_0(_tlbp) 42232546f38fab839eee6f62b3f06c2774eade4188aDavid DaneyI_0(_tlbr) 423e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_0(_tlbwi) 424e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_0(_tlbwr) 425e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u3u1u2(_xor) 426e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo SeuferI_u2u1u3(_xori) 42792078e0618f525e22945040b5daea21d4b6d4a16David DaneyI_u2u1msbu3(_dins); 428c42aef0947d717849f31965ecc0778707839bfe0David DaneyI_u2u1msb32u3(_dinsm); 42958b9e2239fa63c7c470acb4a77e9da17e6a6fa4fDavid DaneyI_u1(_syscall); 4305b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid DaneyI_u1u2s3(_bbit0); 4315b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid DaneyI_u1u2s3(_bbit1); 432bb3d68c30a00918d4c9fa02a5c17a5aacf597977David DaneyI_u3u1u2(_lwx) 433bb3d68c30a00918d4c9fa02a5c17a5aacf597977David DaneyI_u3u1u2(_ldx) 434e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 435c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney#ifdef CONFIG_CPU_CAVIUM_OCTEON 436c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney#include <asm/octeon/octeon.h> 437c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daneyvoid __uasminit uasm_i_pref(u32 **buf, unsigned int a, signed int b, 438c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney unsigned int c) 439c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney{ 440c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney if (OCTEON_IS_MODEL(OCTEON_CN63XX_PASS1_X) && a <= 24 && a != 5) 441c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney /* 442c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney * As per erratum Core-14449, replace prefetches 0-4, 443c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney * 6-24 with 'pref 28'. 444c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney */ 445c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney build_insn(buf, insn_pref, c, 28, b); 446c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney else 447c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney build_insn(buf, insn_pref, c, a, b); 448c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney} 449c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David DaneyUASM_EXPORT_SYMBOL(uasm_i_pref); 450c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney#else 451c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David DaneyI_u2s3u1(_pref) 452c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney#endif 453c9941158fd8a539a56b0e8a4740ec1f6beb23ea3David Daney 454e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer/* Handle labels. */ 45522b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit uasm_build_label(struct uasm_label **lab, u32 *addr, int lid) 456e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 457e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer (*lab)->addr = addr; 458e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer (*lab)->lab = lid; 459e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer (*lab)++; 460e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 46122b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_build_label); 462e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 46322b0763a2328434ac68cca884e1b7d350ca61332David Daneyint __uasminit uasm_in_compat_space_p(long addr) 464e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 465e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer /* Is this address in 32bit compat space? */ 466e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#ifdef CONFIG_64BIT 467e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return (((addr) & 0xffffffff00000000L) == 0xffffffff00000000L); 468e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#else 469e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return 1; 470e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#endif 471e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 47222b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_in_compat_space_p); 473e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 47422b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic int __uasminit uasm_rel_highest(long val) 475e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 476e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#ifdef CONFIG_64BIT 477e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return ((((val + 0x800080008000L) >> 48) & 0xffff) ^ 0x8000) - 0x8000; 478e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#else 479e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return 0; 480e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#endif 481e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 482e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 48322b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic int __uasminit uasm_rel_higher(long val) 484e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 485e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#ifdef CONFIG_64BIT 486e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return ((((val + 0x80008000L) >> 32) & 0xffff) ^ 0x8000) - 0x8000; 487e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#else 488e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return 0; 489e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer#endif 490e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 491e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 49222b0763a2328434ac68cca884e1b7d350ca61332David Daneyint __uasminit uasm_rel_hi(long val) 493e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 494e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return ((((val + 0x8000L) >> 16) & 0xffff) ^ 0x8000) - 0x8000; 495e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 49622b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_rel_hi); 497e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 49822b0763a2328434ac68cca884e1b7d350ca61332David Daneyint __uasminit uasm_rel_lo(long val) 499e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 500e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return ((val & 0xffff) ^ 0x8000) - 0x8000; 501e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 50222b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_rel_lo); 503e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 50422b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit UASM_i_LA_mostly(u32 **buf, unsigned int rs, long addr) 505e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 506e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (!uasm_in_compat_space_p(addr)) { 507e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_lui(buf, rs, uasm_rel_highest(addr)); 508e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (uasm_rel_higher(addr)) 509e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_daddiu(buf, rs, rs, uasm_rel_higher(addr)); 510e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (uasm_rel_hi(addr)) { 511e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_dsll(buf, rs, rs, 16); 512e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_daddiu(buf, rs, rs, uasm_rel_hi(addr)); 513e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_dsll(buf, rs, rs, 16); 514e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer } else 515e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_dsll32(buf, rs, rs, 0); 516e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer } else 517e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_lui(buf, rs, uasm_rel_hi(addr)); 518e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 51922b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(UASM_i_LA_mostly); 520e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 52122b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit UASM_i_LA(u32 **buf, unsigned int rs, long addr) 522e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 523e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer UASM_i_LA_mostly(buf, rs, addr); 524e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (uasm_rel_lo(addr)) { 525e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (!uasm_in_compat_space_p(addr)) 526e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_daddiu(buf, rs, rs, uasm_rel_lo(addr)); 527e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer else 528e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_addiu(buf, rs, rs, uasm_rel_lo(addr)); 529e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer } 530e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 53122b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(UASM_i_LA); 532e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 533e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer/* Handle relocations. */ 53422b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 535e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferuasm_r_mips_pc16(struct uasm_reloc **rel, u32 *addr, int lid) 536e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 537e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer (*rel)->addr = addr; 538e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer (*rel)->type = R_MIPS_PC16; 539e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer (*rel)->lab = lid; 540e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer (*rel)++; 541e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 54222b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_r_mips_pc16); 543e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 54422b0763a2328434ac68cca884e1b7d350ca61332David Daneystatic inline void __uasminit 545e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer__resolve_relocs(struct uasm_reloc *rel, struct uasm_label *lab) 546e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 547e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer long laddr = (long)lab->addr; 548e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer long raddr = (long)rel->addr; 549e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 550e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer switch (rel->type) { 551e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer case R_MIPS_PC16: 552e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer *rel->addr |= build_bimm(laddr - (raddr + 4)); 553e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer break; 554e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 555e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer default: 556e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer panic("Unsupported Micro-assembler relocation %d", 557e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer rel->type); 558e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer } 559e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 560e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 56122b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 562e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferuasm_resolve_relocs(struct uasm_reloc *rel, struct uasm_label *lab) 563e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 564e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer struct uasm_label *l; 565e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 566e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer for (; rel->lab != UASM_LABEL_INVALID; rel++) 567e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer for (l = lab; l->lab != UASM_LABEL_INVALID; l++) 568e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (rel->lab == l->lab) 569e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer __resolve_relocs(rel, l); 570e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 57122b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_resolve_relocs); 572e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 57322b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 574e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferuasm_move_relocs(struct uasm_reloc *rel, u32 *first, u32 *end, long off) 575e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 576e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer for (; rel->lab != UASM_LABEL_INVALID; rel++) 577e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (rel->addr >= first && rel->addr < end) 578e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer rel->addr += off; 579e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 58022b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_move_relocs); 581e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 58222b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 583e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferuasm_move_labels(struct uasm_label *lab, u32 *first, u32 *end, long off) 584e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 585e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer for (; lab->lab != UASM_LABEL_INVALID; lab++) 586e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (lab->addr >= first && lab->addr < end) 587e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer lab->addr += off; 588e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 58922b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_move_labels); 590e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 59122b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 592e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferuasm_copy_handler(struct uasm_reloc *rel, struct uasm_label *lab, u32 *first, 593e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer u32 *end, u32 *target) 594e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 595e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer long off = (long)(target - first); 596e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 597e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer memcpy(target, first, (end - first) * sizeof(u32)); 598e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 599e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_move_relocs(rel, first, end, off); 600e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_move_labels(lab, first, end, off); 601e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 60222b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_copy_handler); 603e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 60422b0763a2328434ac68cca884e1b7d350ca61332David Daneyint __uasminit uasm_insn_has_bdelay(struct uasm_reloc *rel, u32 *addr) 605e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 606e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer for (; rel->lab != UASM_LABEL_INVALID; rel++) { 607e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer if (rel->addr == addr 608e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer && (rel->type == R_MIPS_PC16 609e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer || rel->type == R_MIPS_26)) 610e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return 1; 611e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer } 612e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 613e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer return 0; 614e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 61522b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_insn_has_bdelay); 616e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 617e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer/* Convenience functions for labeled branches. */ 61822b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 619e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferuasm_il_bltz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid) 620e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 621e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_r_mips_pc16(r, *p, lid); 622e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_bltz(p, reg, 0); 623e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 62422b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_il_bltz); 625e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 62622b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 627e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferuasm_il_b(u32 **p, struct uasm_reloc **r, int lid) 628e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 629e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_r_mips_pc16(r, *p, lid); 630e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_b(p, 0); 631e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 63222b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_il_b); 633e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 63422b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 635e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferuasm_il_beqz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid) 636e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 637e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_r_mips_pc16(r, *p, lid); 638e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_beqz(p, reg, 0); 639e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 64022b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_il_beqz); 641e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 64222b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 643e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferuasm_il_beqzl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid) 644e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 645e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_r_mips_pc16(r, *p, lid); 646e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_beqzl(p, reg, 0); 647e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 64822b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_il_beqzl); 649e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 65022b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 651fb2a27e743cd565c25cd896911e494482a8b7251Thiemo Seuferuasm_il_bne(u32 **p, struct uasm_reloc **r, unsigned int reg1, 652fb2a27e743cd565c25cd896911e494482a8b7251Thiemo Seufer unsigned int reg2, int lid) 653fb2a27e743cd565c25cd896911e494482a8b7251Thiemo Seufer{ 654fb2a27e743cd565c25cd896911e494482a8b7251Thiemo Seufer uasm_r_mips_pc16(r, *p, lid); 655fb2a27e743cd565c25cd896911e494482a8b7251Thiemo Seufer uasm_i_bne(p, reg1, reg2, 0); 656fb2a27e743cd565c25cd896911e494482a8b7251Thiemo Seufer} 65722b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_il_bne); 658fb2a27e743cd565c25cd896911e494482a8b7251Thiemo Seufer 65922b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 660e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferuasm_il_bnez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid) 661e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 662e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_r_mips_pc16(r, *p, lid); 663e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_bnez(p, reg, 0); 664e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 66522b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_il_bnez); 666e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 66722b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 668e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferuasm_il_bgezl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid) 669e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 670e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_r_mips_pc16(r, *p, lid); 671e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_bgezl(p, reg, 0); 672e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 67322b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_il_bgezl); 674e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer 67522b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 676e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seuferuasm_il_bgez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid) 677e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer{ 678e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_r_mips_pc16(r, *p, lid); 679e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer uasm_i_bgez(p, reg, 0); 680e30ec4525d4731d828a754823a83a3d6b50bb230Thiemo Seufer} 68122b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_il_bgez); 6825b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daney 68322b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 6845b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daneyuasm_il_bbit0(u32 **p, struct uasm_reloc **r, unsigned int reg, 6855b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daney unsigned int bit, int lid) 6865b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daney{ 6875b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daney uasm_r_mips_pc16(r, *p, lid); 6885b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daney uasm_i_bbit0(p, reg, bit, 0); 6895b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daney} 69022b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_il_bbit0); 6915b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daney 69222b0763a2328434ac68cca884e1b7d350ca61332David Daneyvoid __uasminit 6935b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daneyuasm_il_bbit1(u32 **p, struct uasm_reloc **r, unsigned int reg, 6945b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daney unsigned int bit, int lid) 6955b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daney{ 6965b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daney uasm_r_mips_pc16(r, *p, lid); 6975b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daney uasm_i_bbit1(p, reg, bit, 0); 6985b97c3f7ae0ad0eea1eb90d649420a1a180f2bdfDavid Daney} 69922b0763a2328434ac68cca884e1b7d350ca61332David DaneyUASM_EXPORT_SYMBOL(uasm_il_bbit1); 700