Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 | /*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2004, 2005, 2006, 2008 Thiemo Seufer
* Copyright (C) 2005 Maciej W. Rozycki
* Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org)
* Copyright (C) 2012, 2013 MIPS Technologies, Inc. All rights reserved.
*/
#include <linux/types.h>
#ifdef CONFIG_EXPORT_UASM
#include <linux/export.h>
#define UASM_EXPORT_SYMBOL(sym) EXPORT_SYMBOL(sym)
#else
#define UASM_EXPORT_SYMBOL(sym)
#endif
#define _UASM_ISA_CLASSIC 0
#define _UASM_ISA_MICROMIPS 1
#ifndef UASM_ISA
#ifdef CONFIG_CPU_MICROMIPS
#define UASM_ISA _UASM_ISA_MICROMIPS
#else
#define UASM_ISA _UASM_ISA_CLASSIC
#endif
#endif
#if (UASM_ISA == _UASM_ISA_CLASSIC)
#ifdef CONFIG_CPU_MICROMIPS
#define ISAOPC(op) CL_uasm_i##op
#define ISAFUNC(x) CL_##x
#else
#define ISAOPC(op) uasm_i##op
#define ISAFUNC(x) x
#endif
#elif (UASM_ISA == _UASM_ISA_MICROMIPS)
#ifdef CONFIG_CPU_MICROMIPS
#define ISAOPC(op) uasm_i##op
#define ISAFUNC(x) x
#else
#define ISAOPC(op) MM_uasm_i##op
#define ISAFUNC(x) MM_##x
#endif
#else
#error Unsupported micro-assembler ISA!!!
#endif
#define Ip_u1u2u3(op) \
void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
#define Ip_u2u1u3(op) \
void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
#define Ip_u3u2u1(op) \
void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
#define Ip_u3u1u2(op) \
void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
#define Ip_u1u2s3(op) \
void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, signed int c)
#define Ip_u2s3u1(op) \
void ISAOPC(op)(u32 **buf, unsigned int a, signed int b, unsigned int c)
#define Ip_s3s1s2(op) \
void ISAOPC(op)(u32 **buf, int a, int b, int c)
#define Ip_u2u1s3(op) \
void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, signed int c)
#define Ip_u2u1msbu3(op) \
void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c, \
unsigned int d)
#define Ip_u1u2(op) \
void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b)
#define Ip_u2u1(op) \
void ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b)
#define Ip_u1s2(op) \
void ISAOPC(op)(u32 **buf, unsigned int a, signed int b)
#define Ip_u1(op) void ISAOPC(op)(u32 **buf, unsigned int a)
#define Ip_0(op) void ISAOPC(op)(u32 **buf)
Ip_u2u1s3(_addiu);
Ip_u3u1u2(_addu);
Ip_u3u1u2(_and);
Ip_u2u1u3(_andi);
Ip_u1u2s3(_bbit0);
Ip_u1u2s3(_bbit1);
Ip_u1u2s3(_beq);
Ip_u1u2s3(_beql);
Ip_u1s2(_bgez);
Ip_u1s2(_bgezl);
Ip_u1s2(_bltz);
Ip_u1s2(_bltzl);
Ip_u1u2s3(_bne);
Ip_u2s3u1(_cache);
Ip_u1u2(_cfc1);
Ip_u2u1(_cfcmsa);
Ip_u1u2(_ctc1);
Ip_u2u1(_ctcmsa);
Ip_u2u1s3(_daddiu);
Ip_u3u1u2(_daddu);
Ip_u1(_di);
Ip_u2u1msbu3(_dins);
Ip_u2u1msbu3(_dinsm);
Ip_u1u2(_divu);
Ip_u1u2u3(_dmfc0);
Ip_u1u2u3(_dmtc0);
Ip_u2u1u3(_drotr);
Ip_u2u1u3(_drotr32);
Ip_u2u1u3(_dsll);
Ip_u2u1u3(_dsll32);
Ip_u2u1u3(_dsra);
Ip_u2u1u3(_dsrl);
Ip_u2u1u3(_dsrl32);
Ip_u3u1u2(_dsubu);
Ip_0(_eret);
Ip_u2u1msbu3(_ext);
Ip_u2u1msbu3(_ins);
Ip_u1(_j);
Ip_u1(_jal);
Ip_u2u1(_jalr);
Ip_u1(_jr);
Ip_u2s3u1(_lb);
Ip_u2s3u1(_ld);
Ip_u3u1u2(_ldx);
Ip_u2s3u1(_lh);
Ip_u2s3u1(_ll);
Ip_u2s3u1(_lld);
Ip_u1s2(_lui);
Ip_u2s3u1(_lw);
Ip_u3u1u2(_lwx);
Ip_u1u2u3(_mfc0);
Ip_u1u2u3(_mfhc0);
Ip_u1(_mfhi);
Ip_u1(_mflo);
Ip_u1u2u3(_mtc0);
Ip_u1u2u3(_mthc0);
Ip_u1(_mthi);
Ip_u1(_mtlo);
Ip_u3u1u2(_mul);
Ip_u3u1u2(_or);
Ip_u2u1u3(_ori);
Ip_u2s3u1(_pref);
Ip_0(_rfe);
Ip_u2u1u3(_rotr);
Ip_u2s3u1(_sc);
Ip_u2s3u1(_scd);
Ip_u2s3u1(_sd);
Ip_u2u1u3(_sll);
Ip_u3u2u1(_sllv);
Ip_s3s1s2(_slt);
Ip_u2u1s3(_sltiu);
Ip_u3u1u2(_sltu);
Ip_u2u1u3(_sra);
Ip_u2u1u3(_srl);
Ip_u3u2u1(_srlv);
Ip_u3u1u2(_subu);
Ip_u2s3u1(_sw);
Ip_u1(_sync);
Ip_u1(_syscall);
Ip_0(_tlbp);
Ip_0(_tlbr);
Ip_0(_tlbwi);
Ip_0(_tlbwr);
Ip_u1(_wait);
Ip_u2u1(_wsbh);
Ip_u3u1u2(_xor);
Ip_u2u1u3(_xori);
Ip_u2u1(_yield);
Ip_u1u2(_ldpte);
Ip_u2u1u3(_lddir);
/* Handle labels. */
struct uasm_label {
u32 *addr;
int lab;
};
void ISAFUNC(uasm_build_label)(struct uasm_label **lab, u32 *addr,
int lid);
#ifdef CONFIG_64BIT
int ISAFUNC(uasm_in_compat_space_p)(long addr);
#endif
int ISAFUNC(uasm_rel_hi)(long val);
int ISAFUNC(uasm_rel_lo)(long val);
void ISAFUNC(UASM_i_LA_mostly)(u32 **buf, unsigned int rs, long addr);
void ISAFUNC(UASM_i_LA)(u32 **buf, unsigned int rs, long addr);
#define UASM_L_LA(lb) \
static inline void ISAFUNC(uasm_l##lb)(struct uasm_label **lab, u32 *addr) \
{ \
ISAFUNC(uasm_build_label)(lab, addr, label##lb); \
}
/* convenience macros for instructions */
#ifdef CONFIG_64BIT
# define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_daddiu(buf, rs, rt, val)
# define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_daddu(buf, rs, rt, rd)
# define UASM_i_LL(buf, rs, rt, off) uasm_i_lld(buf, rs, rt, off)
# define UASM_i_LW(buf, rs, rt, off) uasm_i_ld(buf, rs, rt, off)
# define UASM_i_LWX(buf, rs, rt, rd) uasm_i_ldx(buf, rs, rt, rd)
# define UASM_i_MFC0(buf, rt, rd...) uasm_i_dmfc0(buf, rt, rd)
# define UASM_i_MTC0(buf, rt, rd...) uasm_i_dmtc0(buf, rt, rd)
# define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_drotr(buf, rs, rt, sh)
# define UASM_i_SC(buf, rs, rt, off) uasm_i_scd(buf, rs, rt, off)
# define UASM_i_SLL(buf, rs, rt, sh) uasm_i_dsll(buf, rs, rt, sh)
# define UASM_i_SRA(buf, rs, rt, sh) uasm_i_dsra(buf, rs, rt, sh)
# define UASM_i_SRL(buf, rs, rt, sh) uasm_i_dsrl(buf, rs, rt, sh)
# define UASM_i_SRL_SAFE(buf, rs, rt, sh) uasm_i_dsrl_safe(buf, rs, rt, sh)
# define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_dsubu(buf, rs, rt, rd)
# define UASM_i_SW(buf, rs, rt, off) uasm_i_sd(buf, rs, rt, off)
#else
# define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_addiu(buf, rs, rt, val)
# define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_addu(buf, rs, rt, rd)
# define UASM_i_LL(buf, rs, rt, off) uasm_i_ll(buf, rs, rt, off)
# define UASM_i_LW(buf, rs, rt, off) uasm_i_lw(buf, rs, rt, off)
# define UASM_i_LWX(buf, rs, rt, rd) uasm_i_lwx(buf, rs, rt, rd)
# define UASM_i_MFC0(buf, rt, rd...) uasm_i_mfc0(buf, rt, rd)
# define UASM_i_MTC0(buf, rt, rd...) uasm_i_mtc0(buf, rt, rd)
# define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_rotr(buf, rs, rt, sh)
# define UASM_i_SC(buf, rs, rt, off) uasm_i_sc(buf, rs, rt, off)
# define UASM_i_SLL(buf, rs, rt, sh) uasm_i_sll(buf, rs, rt, sh)
# define UASM_i_SRA(buf, rs, rt, sh) uasm_i_sra(buf, rs, rt, sh)
# define UASM_i_SRL(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh)
# define UASM_i_SRL_SAFE(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh)
# define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_subu(buf, rs, rt, rd)
# define UASM_i_SW(buf, rs, rt, off) uasm_i_sw(buf, rs, rt, off)
#endif
#define uasm_i_b(buf, off) uasm_i_beq(buf, 0, 0, off)
#define uasm_i_beqz(buf, rs, off) uasm_i_beq(buf, rs, 0, off)
#define uasm_i_beqzl(buf, rs, off) uasm_i_beql(buf, rs, 0, off)
#define uasm_i_bnez(buf, rs, off) uasm_i_bne(buf, rs, 0, off)
#define uasm_i_bnezl(buf, rs, off) uasm_i_bnel(buf, rs, 0, off)
#define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3)
#define uasm_i_move(buf, a, b) UASM_i_ADDU(buf, a, 0, b)
#define uasm_i_nop(buf) uasm_i_sll(buf, 0, 0, 0)
#define uasm_i_ssnop(buf) uasm_i_sll(buf, 0, 0, 1)
static inline void uasm_i_drotr_safe(u32 **p, unsigned int a1,
unsigned int a2, unsigned int a3)
{
if (a3 < 32)
ISAOPC(_drotr)(p, a1, a2, a3);
else
ISAOPC(_drotr32)(p, a1, a2, a3 - 32);
}
static inline void uasm_i_dsll_safe(u32 **p, unsigned int a1,
unsigned int a2, unsigned int a3)
{
if (a3 < 32)
ISAOPC(_dsll)(p, a1, a2, a3);
else
ISAOPC(_dsll32)(p, a1, a2, a3 - 32);
}
static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1,
unsigned int a2, unsigned int a3)
{
if (a3 < 32)
ISAOPC(_dsrl)(p, a1, a2, a3);
else
ISAOPC(_dsrl32)(p, a1, a2, a3 - 32);
}
/* Handle relocations. */
struct uasm_reloc {
u32 *addr;
unsigned int type;
int lab;
};
/* This is zero so we can use zeroed label arrays. */
#define UASM_LABEL_INVALID 0
void uasm_r_mips_pc16(struct uasm_reloc **rel, u32 *addr, int lid);
void uasm_resolve_relocs(struct uasm_reloc *rel, struct uasm_label *lab);
void uasm_move_relocs(struct uasm_reloc *rel, u32 *first, u32 *end, long off);
void uasm_move_labels(struct uasm_label *lab, u32 *first, u32 *end, long off);
void uasm_copy_handler(struct uasm_reloc *rel, struct uasm_label *lab,
u32 *first, u32 *end, u32 *target);
int uasm_insn_has_bdelay(struct uasm_reloc *rel, u32 *addr);
/* Convenience functions for labeled branches. */
void uasm_il_b(u32 **p, struct uasm_reloc **r, int lid);
void uasm_il_bbit0(u32 **p, struct uasm_reloc **r, unsigned int reg,
unsigned int bit, int lid);
void uasm_il_bbit1(u32 **p, struct uasm_reloc **r, unsigned int reg,
unsigned int bit, int lid);
void uasm_il_beq(u32 **p, struct uasm_reloc **r, unsigned int r1,
unsigned int r2, int lid);
void uasm_il_beqz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
void uasm_il_beqzl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
void uasm_il_bgezl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
void uasm_il_bgez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
void uasm_il_bltz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
void uasm_il_bne(u32 **p, struct uasm_reloc **r, unsigned int reg1,
unsigned int reg2, int lid);
void uasm_il_bnez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid);
|