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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 | /* * tie-asm.h -- compile-time HAL assembler definitions dependent on CORE & TIE * * NOTE: This header file is not meant to be included directly. */ /* This header file contains assembly-language definitions (assembly macros, etc.) for this specific Xtensa processor's TIE extensions and options. It is customized to this Xtensa processor configuration. Copyright (c) 1999-2014 Tensilica Inc. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _XTENSA_CORE_TIE_ASM_H #define _XTENSA_CORE_TIE_ASM_H /* Selection parameter values for save-area save/restore macros: */ /* Option vs. TIE: */ #define XTHAL_SAS_TIE 0x0001 /* custom extension or coprocessor */ #define XTHAL_SAS_OPT 0x0002 /* optional (and not a coprocessor) */ #define XTHAL_SAS_ANYOT 0x0003 /* both of the above */ /* Whether used automatically by compiler: */ #define XTHAL_SAS_NOCC 0x0004 /* not used by compiler w/o special opts/code */ #define XTHAL_SAS_CC 0x0008 /* used by compiler without special opts/code */ #define XTHAL_SAS_ANYCC 0x000C /* both of the above */ /* ABI handling across function calls: */ #define XTHAL_SAS_CALR 0x0010 /* caller-saved */ #define XTHAL_SAS_CALE 0x0020 /* callee-saved */ #define XTHAL_SAS_GLOB 0x0040 /* global across function calls (in thread) */ #define XTHAL_SAS_ANYABI 0x0070 /* all of the above three */ /* Misc */ #define XTHAL_SAS_ALL 0xFFFF /* include all default NCP contents */ #define XTHAL_SAS3(optie,ccuse,abi) ( ((optie) & XTHAL_SAS_ANYOT) \ | ((ccuse) & XTHAL_SAS_ANYCC) \ | ((abi) & XTHAL_SAS_ANYABI) ) /* * Macro to save all non-coprocessor (extra) custom TIE and optional state * (not including zero-overhead loop registers). * Required parameters: * ptr Save area pointer address register (clobbered) * (register must contain a 4 byte aligned address). * at1..at4 Four temporary address registers (first XCHAL_NCP_NUM_ATMPS * registers are clobbered, the remaining are unused). * Optional parameters: * continue If macro invoked as part of a larger store sequence, set to 1 * if this is not the first in the sequence. Defaults to 0. * ofs Offset from start of larger sequence (from value of first ptr * in sequence) at which to store. Defaults to next available space * (or 0 if <continue> is 0). * select Select what category(ies) of registers to store, as a bitmask * (see XTHAL_SAS_xxx constants). Defaults to all registers. * alloc Select what category(ies) of registers to allocate; if any * category is selected here that is not in <select>, space for * the corresponding registers is skipped without doing any store. */ .macro xchal_ncp_store ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0 xchal_sa_start \continue, \ofs // Optional global register used by default by the compiler: .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~(\select) xchal_sa_align \ptr, 0, 1020, 4, 4 rur.THREADPTR \at1 // threadptr option s32i \at1, \ptr, .Lxchal_ofs_+0 .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~(\alloc)) == 0 xchal_sa_align \ptr, 0, 1020, 4, 4 .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 .endif // Optional caller-saved registers used by default by the compiler: .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\select) xchal_sa_align \ptr, 0, 1016, 4, 4 rsr.ACCLO \at1 // MAC16 option s32i \at1, \ptr, .Lxchal_ofs_+0 rsr.ACCHI \at1 // MAC16 option s32i \at1, \ptr, .Lxchal_ofs_+4 .set .Lxchal_ofs_, .Lxchal_ofs_ + 8 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 xchal_sa_align \ptr, 0, 1016, 4, 4 .set .Lxchal_ofs_, .Lxchal_ofs_ + 8 .endif // Optional caller-saved registers not used by default by the compiler: .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select) xchal_sa_align \ptr, 0, 1000, 4, 4 rsr.M0 \at1 // MAC16 option s32i \at1, \ptr, .Lxchal_ofs_+0 rsr.M1 \at1 // MAC16 option s32i \at1, \ptr, .Lxchal_ofs_+4 rsr.M2 \at1 // MAC16 option s32i \at1, \ptr, .Lxchal_ofs_+8 rsr.M3 \at1 // MAC16 option s32i \at1, \ptr, .Lxchal_ofs_+12 rsr.BR \at1 // boolean option s32i \at1, \ptr, .Lxchal_ofs_+16 rsr.SCOMPARE1 \at1 // conditional store option s32i \at1, \ptr, .Lxchal_ofs_+20 .set .Lxchal_ofs_, .Lxchal_ofs_ + 24 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 xchal_sa_align \ptr, 0, 1000, 4, 4 .set .Lxchal_ofs_, .Lxchal_ofs_ + 24 .endif .endm // xchal_ncp_store /* * Macro to restore all non-coprocessor (extra) custom TIE and optional state * (not including zero-overhead loop registers). * Required parameters: * ptr Save area pointer address register (clobbered) * (register must contain a 4 byte aligned address). * at1..at4 Four temporary address registers (first XCHAL_NCP_NUM_ATMPS * registers are clobbered, the remaining are unused). * Optional parameters: * continue If macro invoked as part of a larger load sequence, set to 1 * if this is not the first in the sequence. Defaults to 0. * ofs Offset from start of larger sequence (from value of first ptr * in sequence) at which to load. Defaults to next available space * (or 0 if <continue> is 0). * select Select what category(ies) of registers to load, as a bitmask * (see XTHAL_SAS_xxx constants). Defaults to all registers. * alloc Select what category(ies) of registers to allocate; if any * category is selected here that is not in <select>, space for * the corresponding registers is skipped without doing any load. */ .macro xchal_ncp_load ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0 xchal_sa_start \continue, \ofs // Optional global register used by default by the compiler: .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~(\select) xchal_sa_align \ptr, 0, 1020, 4, 4 l32i \at1, \ptr, .Lxchal_ofs_+0 wur.THREADPTR \at1 // threadptr option .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~(\alloc)) == 0 xchal_sa_align \ptr, 0, 1020, 4, 4 .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 .endif // Optional caller-saved registers used by default by the compiler: .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\select) xchal_sa_align \ptr, 0, 1016, 4, 4 l32i \at1, \ptr, .Lxchal_ofs_+0 wsr.ACCLO \at1 // MAC16 option l32i \at1, \ptr, .Lxchal_ofs_+4 wsr.ACCHI \at1 // MAC16 option .set .Lxchal_ofs_, .Lxchal_ofs_ + 8 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 xchal_sa_align \ptr, 0, 1016, 4, 4 .set .Lxchal_ofs_, .Lxchal_ofs_ + 8 .endif // Optional caller-saved registers not used by default by the compiler: .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select) xchal_sa_align \ptr, 0, 1000, 4, 4 l32i \at1, \ptr, .Lxchal_ofs_+0 wsr.M0 \at1 // MAC16 option l32i \at1, \ptr, .Lxchal_ofs_+4 wsr.M1 \at1 // MAC16 option l32i \at1, \ptr, .Lxchal_ofs_+8 wsr.M2 \at1 // MAC16 option l32i \at1, \ptr, .Lxchal_ofs_+12 wsr.M3 \at1 // MAC16 option l32i \at1, \ptr, .Lxchal_ofs_+16 wsr.BR \at1 // boolean option l32i \at1, \ptr, .Lxchal_ofs_+20 wsr.SCOMPARE1 \at1 // conditional store option .set .Lxchal_ofs_, .Lxchal_ofs_ + 24 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 xchal_sa_align \ptr, 0, 1000, 4, 4 .set .Lxchal_ofs_, .Lxchal_ofs_ + 24 .endif .endm // xchal_ncp_load #define XCHAL_NCP_NUM_ATMPS 1 /* * Macro to save the state of TIE coprocessor AudioEngineLX. * Required parameters: * ptr Save area pointer address register (clobbered) * (register must contain a 8 byte aligned address). * at1..at4 Four temporary address registers (first XCHAL_CP1_NUM_ATMPS * registers are clobbered, the remaining are unused). * Optional parameters are the same as for xchal_ncp_store. */ #define xchal_cp_AudioEngineLX_store xchal_cp1_store .macro xchal_cp1_store ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0 xchal_sa_start \continue, \ofs // Custom caller-saved registers not used by default by the compiler: .ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select) xchal_sa_align \ptr, 0, 0, 8, 8 rur.AE_OVF_SAR \at1 // ureg 240 s32i \at1, \ptr, .Lxchal_ofs_+0 rur.AE_BITHEAD \at1 // ureg 241 s32i \at1, \ptr, .Lxchal_ofs_+4 rur.AE_TS_FTS_BU_BP \at1 // ureg 242 s32i \at1, \ptr, .Lxchal_ofs_+8 rur.AE_CW_SD_NO \at1 // ureg 243 s32i \at1, \ptr, .Lxchal_ofs_+12 rur.AE_CBEGIN0 \at1 // ureg 246 s32i \at1, \ptr, .Lxchal_ofs_+16 rur.AE_CEND0 \at1 // ureg 247 s32i \at1, \ptr, .Lxchal_ofs_+20 AE_S64.I aed0, \ptr, .Lxchal_ofs_+24 AE_S64.I aed1, \ptr, .Lxchal_ofs_+32 AE_S64.I aed2, \ptr, .Lxchal_ofs_+40 AE_S64.I aed3, \ptr, .Lxchal_ofs_+48 AE_S64.I aed4, \ptr, .Lxchal_ofs_+56 addi \ptr, \ptr, 64 AE_S64.I aed5, \ptr, .Lxchal_ofs_+0 AE_S64.I aed6, \ptr, .Lxchal_ofs_+8 AE_S64.I aed7, \ptr, .Lxchal_ofs_+16 AE_S64.I aed8, \ptr, .Lxchal_ofs_+24 AE_S64.I aed9, \ptr, .Lxchal_ofs_+32 AE_S64.I aed10, \ptr, .Lxchal_ofs_+40 AE_S64.I aed11, \ptr, .Lxchal_ofs_+48 AE_S64.I aed12, \ptr, .Lxchal_ofs_+56 addi \ptr, \ptr, 64 AE_S64.I aed13, \ptr, .Lxchal_ofs_+0 AE_S64.I aed14, \ptr, .Lxchal_ofs_+8 AE_S64.I aed15, \ptr, .Lxchal_ofs_+16 AE_SALIGN64.I u0, \ptr, .Lxchal_ofs_+24 AE_SALIGN64.I u1, \ptr, .Lxchal_ofs_+32 AE_SALIGN64.I u2, \ptr, .Lxchal_ofs_+40 AE_SALIGN64.I u3, \ptr, .Lxchal_ofs_+48 .set .Lxchal_pofs_, .Lxchal_pofs_ + 128 .set .Lxchal_ofs_, .Lxchal_ofs_ + 56 .elseif ((XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 xchal_sa_align \ptr, 0, 0, 8, 8 .set .Lxchal_ofs_, .Lxchal_ofs_ + 184 .endif .endm // xchal_cp1_store /* * Macro to restore the state of TIE coprocessor AudioEngineLX. * Required parameters: * ptr Save area pointer address register (clobbered) * (register must contain a 8 byte aligned address). * at1..at4 Four temporary address registers (first XCHAL_CP1_NUM_ATMPS * registers are clobbered, the remaining are unused). * Optional parameters are the same as for xchal_ncp_load. */ #define xchal_cp_AudioEngineLX_load xchal_cp1_load .macro xchal_cp1_load ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0 xchal_sa_start \continue, \ofs // Custom caller-saved registers not used by default by the compiler: .ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select) xchal_sa_align \ptr, 0, 0, 8, 8 l32i \at1, \ptr, .Lxchal_ofs_+0 wur.AE_OVF_SAR \at1 // ureg 240 l32i \at1, \ptr, .Lxchal_ofs_+4 wur.AE_BITHEAD \at1 // ureg 241 l32i \at1, \ptr, .Lxchal_ofs_+8 wur.AE_TS_FTS_BU_BP \at1 // ureg 242 l32i \at1, \ptr, .Lxchal_ofs_+12 wur.AE_CW_SD_NO \at1 // ureg 243 l32i \at1, \ptr, .Lxchal_ofs_+16 wur.AE_CBEGIN0 \at1 // ureg 246 l32i \at1, \ptr, .Lxchal_ofs_+20 wur.AE_CEND0 \at1 // ureg 247 AE_L64.I aed0, \ptr, .Lxchal_ofs_+24 AE_L64.I aed1, \ptr, .Lxchal_ofs_+32 AE_L64.I aed2, \ptr, .Lxchal_ofs_+40 AE_L64.I aed3, \ptr, .Lxchal_ofs_+48 AE_L64.I aed4, \ptr, .Lxchal_ofs_+56 addi \ptr, \ptr, 64 AE_L64.I aed5, \ptr, .Lxchal_ofs_+0 AE_L64.I aed6, \ptr, .Lxchal_ofs_+8 AE_L64.I aed7, \ptr, .Lxchal_ofs_+16 AE_L64.I aed8, \ptr, .Lxchal_ofs_+24 AE_L64.I aed9, \ptr, .Lxchal_ofs_+32 AE_L64.I aed10, \ptr, .Lxchal_ofs_+40 AE_L64.I aed11, \ptr, .Lxchal_ofs_+48 AE_L64.I aed12, \ptr, .Lxchal_ofs_+56 addi \ptr, \ptr, 64 AE_L64.I aed13, \ptr, .Lxchal_ofs_+0 AE_L64.I aed14, \ptr, .Lxchal_ofs_+8 AE_L64.I aed15, \ptr, .Lxchal_ofs_+16 AE_LALIGN64.I u0, \ptr, .Lxchal_ofs_+24 AE_LALIGN64.I u1, \ptr, .Lxchal_ofs_+32 AE_LALIGN64.I u2, \ptr, .Lxchal_ofs_+40 AE_LALIGN64.I u3, \ptr, .Lxchal_ofs_+48 .set .Lxchal_pofs_, .Lxchal_pofs_ + 128 .set .Lxchal_ofs_, .Lxchal_ofs_ + 56 .elseif ((XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 xchal_sa_align \ptr, 0, 0, 8, 8 .set .Lxchal_ofs_, .Lxchal_ofs_ + 184 .endif .endm // xchal_cp1_load #define XCHAL_CP1_NUM_ATMPS 1 #define XCHAL_SA_NUM_ATMPS 1 /* Empty macros for unconfigured coprocessors: */ .macro xchal_cp0_store p a b c d continue=0 ofs=-1 select=-1 ; .endm .macro xchal_cp0_load p a b c d continue=0 ofs=-1 select=-1 ; .endm .macro xchal_cp2_store p a b c d continue=0 ofs=-1 select=-1 ; .endm .macro xchal_cp2_load p a b c d continue=0 ofs=-1 select=-1 ; .endm .macro xchal_cp3_store p a b c d continue=0 ofs=-1 select=-1 ; .endm .macro xchal_cp3_load p a b c d continue=0 ofs=-1 select=-1 ; .endm .macro xchal_cp4_store p a b c d continue=0 ofs=-1 select=-1 ; .endm .macro xchal_cp4_load p a b c d continue=0 ofs=-1 select=-1 ; .endm .macro xchal_cp5_store p a b c d continue=0 ofs=-1 select=-1 ; .endm .macro xchal_cp5_load p a b c d continue=0 ofs=-1 select=-1 ; .endm .macro xchal_cp6_store p a b c d continue=0 ofs=-1 select=-1 ; .endm .macro xchal_cp6_load p a b c d continue=0 ofs=-1 select=-1 ; .endm .macro xchal_cp7_store p a b c d continue=0 ofs=-1 select=-1 ; .endm .macro xchal_cp7_load p a b c d continue=0 ofs=-1 select=-1 ; .endm #endif /*_XTENSA_CORE_TIE_ASM_H*/ |