diff options
Diffstat (limited to 'arch/mips/mm/uasm.c')
| -rw-r--r-- | arch/mips/mm/uasm.c | 56 |
1 files changed, 31 insertions, 25 deletions
diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c index 23afdebc8e5c..5fa185151fc8 100644 --- a/arch/mips/mm/uasm.c +++ b/arch/mips/mm/uasm.c | |||
| @@ -68,7 +68,8 @@ enum opcode { | |||
| 68 | insn_pref, insn_rfe, insn_sc, insn_scd, insn_sd, insn_sll, | 68 | insn_pref, insn_rfe, insn_sc, insn_scd, insn_sd, insn_sll, |
| 69 | insn_sra, insn_srl, insn_rotr, insn_subu, insn_sw, insn_tlbp, | 69 | insn_sra, insn_srl, insn_rotr, insn_subu, insn_sw, insn_tlbp, |
| 70 | insn_tlbr, insn_tlbwi, insn_tlbwr, insn_xor, insn_xori, | 70 | insn_tlbr, insn_tlbwi, insn_tlbwr, insn_xor, insn_xori, |
| 71 | insn_dins, insn_syscall, insn_bbit0, insn_bbit1 | 71 | insn_dins, insn_dinsm, insn_syscall, insn_bbit0, insn_bbit1, |
| 72 | insn_lwx, insn_ldx | ||
| 72 | }; | 73 | }; |
| 73 | 74 | ||
| 74 | struct insn { | 75 | struct insn { |
| @@ -142,9 +143,12 @@ static struct insn insn_table[] __uasminitdata = { | |||
| 142 | { insn_xor, M(spec_op, 0, 0, 0, 0, xor_op), RS | RT | RD }, | 143 | { insn_xor, M(spec_op, 0, 0, 0, 0, xor_op), RS | RT | RD }, |
| 143 | { insn_xori, M(xori_op, 0, 0, 0, 0, 0), RS | RT | UIMM }, | 144 | { insn_xori, M(xori_op, 0, 0, 0, 0, 0), RS | RT | UIMM }, |
| 144 | { insn_dins, M(spec3_op, 0, 0, 0, 0, dins_op), RS | RT | RD | RE }, | 145 | { insn_dins, M(spec3_op, 0, 0, 0, 0, dins_op), RS | RT | RD | RE }, |
| 146 | { insn_dinsm, M(spec3_op, 0, 0, 0, 0, dinsm_op), RS | RT | RD | RE }, | ||
| 145 | { insn_syscall, M(spec_op, 0, 0, 0, 0, syscall_op), SCIMM}, | 147 | { insn_syscall, M(spec_op, 0, 0, 0, 0, syscall_op), SCIMM}, |
| 146 | { insn_bbit0, M(lwc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, | 148 | { insn_bbit0, M(lwc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, |
| 147 | { insn_bbit1, M(swc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, | 149 | { insn_bbit1, M(swc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, |
| 150 | { insn_lwx, M(spec3_op, 0, 0, 0, lwx_op, lx_op), RS | RT | RD }, | ||
| 151 | { insn_ldx, M(spec3_op, 0, 0, 0, ldx_op, lx_op), RS | RT | RD }, | ||
| 148 | { insn_invalid, 0, 0 } | 152 | { insn_invalid, 0, 0 } |
| 149 | }; | 153 | }; |
| 150 | 154 | ||
| @@ -152,91 +156,83 @@ static struct insn insn_table[] __uasminitdata = { | |||
| 152 | 156 | ||
| 153 | static inline __uasminit u32 build_rs(u32 arg) | 157 | static inline __uasminit u32 build_rs(u32 arg) |
| 154 | { | 158 | { |
| 155 | if (arg & ~RS_MASK) | 159 | WARN(arg & ~RS_MASK, KERN_WARNING "Micro-assembler field overflow\n"); |
| 156 | printk(KERN_WARNING "Micro-assembler field overflow\n"); | ||
| 157 | 160 | ||
| 158 | return (arg & RS_MASK) << RS_SH; | 161 | return (arg & RS_MASK) << RS_SH; |
| 159 | } | 162 | } |
| 160 | 163 | ||
| 161 | static inline __uasminit u32 build_rt(u32 arg) | 164 | static inline __uasminit u32 build_rt(u32 arg) |
| 162 | { | 165 | { |
| 163 | if (arg & ~RT_MASK) | 166 | WARN(arg & ~RT_MASK, KERN_WARNING "Micro-assembler field overflow\n"); |
| 164 | printk(KERN_WARNING "Micro-assembler field overflow\n"); | ||
| 165 | 167 | ||
| 166 | return (arg & RT_MASK) << RT_SH; | 168 | return (arg & RT_MASK) << RT_SH; |
| 167 | } | 169 | } |
| 168 | 170 | ||
| 169 | static inline __uasminit u32 build_rd(u32 arg) | 171 | static inline __uasminit u32 build_rd(u32 arg) |
| 170 | { | 172 | { |
| 171 | if (arg & ~RD_MASK) | 173 | WARN(arg & ~RD_MASK, KERN_WARNING "Micro-assembler field overflow\n"); |
| 172 | printk(KERN_WARNING "Micro-assembler field overflow\n"); | ||
| 173 | 174 | ||
| 174 | return (arg & RD_MASK) << RD_SH; | 175 | return (arg & RD_MASK) << RD_SH; |
| 175 | } | 176 | } |
| 176 | 177 | ||
| 177 | static inline __uasminit u32 build_re(u32 arg) | 178 | static inline __uasminit u32 build_re(u32 arg) |
| 178 | { | 179 | { |
| 179 | if (arg & ~RE_MASK) | 180 | WARN(arg & ~RE_MASK, KERN_WARNING "Micro-assembler field overflow\n"); |
| 180 | printk(KERN_WARNING "Micro-assembler field overflow\n"); | ||
| 181 | 181 | ||
| 182 | return (arg & RE_MASK) << RE_SH; | 182 | return (arg & RE_MASK) << RE_SH; |
| 183 | } | 183 | } |
| 184 | 184 | ||
| 185 | static inline __uasminit u32 build_simm(s32 arg) | 185 | static inline __uasminit u32 build_simm(s32 arg) |
| 186 | { | 186 | { |
| 187 | if (arg > 0x7fff || arg < -0x8000) | 187 | WARN(arg > 0x7fff || arg < -0x8000, |
| 188 | printk(KERN_WARNING "Micro-assembler field overflow\n"); | 188 | KERN_WARNING "Micro-assembler field overflow\n"); |
| 189 | 189 | ||
| 190 | return arg & 0xffff; | 190 | return arg & 0xffff; |
| 191 | } | 191 | } |
| 192 | 192 | ||
| 193 | static inline __uasminit u32 build_uimm(u32 arg) | 193 | static inline __uasminit u32 build_uimm(u32 arg) |
| 194 | { | 194 | { |
| 195 | if (arg & ~IMM_MASK) | 195 | WARN(arg & ~IMM_MASK, KERN_WARNING "Micro-assembler field overflow\n"); |
| 196 | printk(KERN_WARNING "Micro-assembler field overflow\n"); | ||
| 197 | 196 | ||
| 198 | return arg & IMM_MASK; | 197 | return arg & IMM_MASK; |
| 199 | } | 198 | } |
| 200 | 199 | ||
| 201 | static inline __uasminit u32 build_bimm(s32 arg) | 200 | static inline __uasminit u32 build_bimm(s32 arg) |
| 202 | { | 201 | { |
| 203 | if (arg > 0x1ffff || arg < -0x20000) | 202 | WARN(arg > 0x1ffff || arg < -0x20000, |
| 204 | printk(KERN_WARNING "Micro-assembler field overflow\n"); | 203 | KERN_WARNING "Micro-assembler field overflow\n"); |
| 205 | 204 | ||
| 206 | if (arg & 0x3) | 205 | WARN(arg & 0x3, KERN_WARNING "Invalid micro-assembler branch target\n"); |
| 207 | printk(KERN_WARNING "Invalid micro-assembler branch target\n"); | ||
| 208 | 206 | ||
| 209 | return ((arg < 0) ? (1 << 15) : 0) | ((arg >> 2) & 0x7fff); | 207 | return ((arg < 0) ? (1 << 15) : 0) | ((arg >> 2) & 0x7fff); |
| 210 | } | 208 | } |
| 211 | 209 | ||
| 212 | static inline __uasminit u32 build_jimm(u32 arg) | 210 | static inline __uasminit u32 build_jimm(u32 arg) |
| 213 | { | 211 | { |
| 214 | if (arg & ~((JIMM_MASK) << 2)) | 212 | WARN(arg & ~(JIMM_MASK << 2), |
| 215 | printk(KERN_WARNING "Micro-assembler field overflow\n"); | 213 | KERN_WARNING "Micro-assembler field overflow\n"); |
| 216 | 214 | ||
| 217 | return (arg >> 2) & JIMM_MASK; | 215 | return (arg >> 2) & JIMM_MASK; |
| 218 | } | 216 | } |
| 219 | 217 | ||
| 220 | static inline __uasminit u32 build_scimm(u32 arg) | 218 | static inline __uasminit u32 build_scimm(u32 arg) |
| 221 | { | 219 | { |
| 222 | if (arg & ~SCIMM_MASK) | 220 | WARN(arg & ~SCIMM_MASK, |
| 223 | printk(KERN_WARNING "Micro-assembler field overflow\n"); | 221 | KERN_WARNING "Micro-assembler field overflow\n"); |
| 224 | 222 | ||
| 225 | return (arg & SCIMM_MASK) << SCIMM_SH; | 223 | return (arg & SCIMM_MASK) << SCIMM_SH; |
| 226 | } | 224 | } |
| 227 | 225 | ||
| 228 | static inline __uasminit u32 build_func(u32 arg) | 226 | static inline __uasminit u32 build_func(u32 arg) |
| 229 | { | 227 | { |
| 230 | if (arg & ~FUNC_MASK) | 228 | WARN(arg & ~FUNC_MASK, KERN_WARNING "Micro-assembler field overflow\n"); |
| 231 | printk(KERN_WARNING "Micro-assembler field overflow\n"); | ||
| 232 | 229 | ||
| 233 | return arg & FUNC_MASK; | 230 | return arg & FUNC_MASK; |
| 234 | } | 231 | } |
| 235 | 232 | ||
| 236 | static inline __uasminit u32 build_set(u32 arg) | 233 | static inline __uasminit u32 build_set(u32 arg) |
| 237 | { | 234 | { |
| 238 | if (arg & ~SET_MASK) | 235 | WARN(arg & ~SET_MASK, KERN_WARNING "Micro-assembler field overflow\n"); |
| 239 | printk(KERN_WARNING "Micro-assembler field overflow\n"); | ||
| 240 | 236 | ||
| 241 | return arg & SET_MASK; | 237 | return arg & SET_MASK; |
| 242 | } | 238 | } |
| @@ -340,6 +336,13 @@ Ip_u2u1msbu3(op) \ | |||
| 340 | } \ | 336 | } \ |
| 341 | UASM_EXPORT_SYMBOL(uasm_i##op); | 337 | UASM_EXPORT_SYMBOL(uasm_i##op); |
| 342 | 338 | ||
| 339 | #define I_u2u1msb32u3(op) \ | ||
| 340 | Ip_u2u1msbu3(op) \ | ||
| 341 | { \ | ||
| 342 | build_insn(buf, insn##op, b, a, c+d-33, c); \ | ||
| 343 | } \ | ||
| 344 | UASM_EXPORT_SYMBOL(uasm_i##op); | ||
| 345 | |||
| 343 | #define I_u1u2(op) \ | 346 | #define I_u1u2(op) \ |
| 344 | Ip_u1u2(op) \ | 347 | Ip_u1u2(op) \ |
| 345 | { \ | 348 | { \ |
| @@ -422,9 +425,12 @@ I_0(_tlbwr) | |||
| 422 | I_u3u1u2(_xor) | 425 | I_u3u1u2(_xor) |
| 423 | I_u2u1u3(_xori) | 426 | I_u2u1u3(_xori) |
| 424 | I_u2u1msbu3(_dins); | 427 | I_u2u1msbu3(_dins); |
| 428 | I_u2u1msb32u3(_dinsm); | ||
| 425 | I_u1(_syscall); | 429 | I_u1(_syscall); |
| 426 | I_u1u2s3(_bbit0); | 430 | I_u1u2s3(_bbit0); |
| 427 | I_u1u2s3(_bbit1); | 431 | I_u1u2s3(_bbit1); |
| 432 | I_u3u1u2(_lwx) | ||
| 433 | I_u3u1u2(_ldx) | ||
| 428 | 434 | ||
| 429 | #ifdef CONFIG_CPU_CAVIUM_OCTEON | 435 | #ifdef CONFIG_CPU_CAVIUM_OCTEON |
| 430 | #include <asm/octeon/octeon.h> | 436 | #include <asm/octeon/octeon.h> |
