| Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| Max Filippov | cd3a80d | 2016-08-10 18:36:46 +0300 | [diff] [blame] | 2 | /* |
| 3 | * This header file describes this specific Xtensa processor's TIE extensions |
| 4 | * that extend basic Xtensa core functionality. It is customized to this |
| 5 | * Xtensa processor configuration. |
| 6 | * This file is autogenerated, please do not edit. |
| 7 | * |
| 8 | * Copyright (C) 1999-2010 Tensilica Inc. |
| Max Filippov | cd3a80d | 2016-08-10 18:36:46 +0300 | [diff] [blame] | 9 | */ |
| 10 | |
| 11 | #ifndef _XTENSA_CORE_TIE_H |
| 12 | #define _XTENSA_CORE_TIE_H |
| 13 | |
| 14 | #define XCHAL_CP_NUM 1 /* number of coprocessors */ |
| 15 | #define XCHAL_CP_MAX 8 /* max CP ID + 1 (0 if none) */ |
| 16 | #define XCHAL_CP_MASK 0x80 /* bitmask of all CPs by ID */ |
| 17 | #define XCHAL_CP_PORT_MASK 0x80 /* bitmask of only port CPs */ |
| 18 | |
| 19 | /* Basic parameters of each coprocessor: */ |
| 20 | #define XCHAL_CP7_NAME "XTIOP" |
| 21 | #define XCHAL_CP7_IDENT XTIOP |
| 22 | #define XCHAL_CP7_SA_SIZE 0 /* size of state save area */ |
| 23 | #define XCHAL_CP7_SA_ALIGN 1 /* min alignment of save area */ |
| 24 | #define XCHAL_CP_ID_XTIOP 7 /* coprocessor ID (0..7) */ |
| 25 | |
| 26 | /* Filler info for unassigned coprocessors, to simplify arrays etc: */ |
| 27 | #define XCHAL_CP0_SA_SIZE 0 |
| 28 | #define XCHAL_CP0_SA_ALIGN 1 |
| 29 | #define XCHAL_CP1_SA_SIZE 0 |
| 30 | #define XCHAL_CP1_SA_ALIGN 1 |
| 31 | #define XCHAL_CP2_SA_SIZE 0 |
| 32 | #define XCHAL_CP2_SA_ALIGN 1 |
| 33 | #define XCHAL_CP3_SA_SIZE 0 |
| 34 | #define XCHAL_CP3_SA_ALIGN 1 |
| 35 | #define XCHAL_CP4_SA_SIZE 0 |
| 36 | #define XCHAL_CP4_SA_ALIGN 1 |
| 37 | #define XCHAL_CP5_SA_SIZE 0 |
| 38 | #define XCHAL_CP5_SA_ALIGN 1 |
| 39 | #define XCHAL_CP6_SA_SIZE 0 |
| 40 | #define XCHAL_CP6_SA_ALIGN 1 |
| 41 | |
| 42 | /* Save area for non-coprocessor optional and custom (TIE) state: */ |
| 43 | #define XCHAL_NCP_SA_SIZE 32 |
| 44 | #define XCHAL_NCP_SA_ALIGN 4 |
| 45 | |
| 46 | /* Total save area for optional and custom state (NCP + CPn): */ |
| 47 | #define XCHAL_TOTAL_SA_SIZE 32 /* with 16-byte align padding */ |
| 48 | #define XCHAL_TOTAL_SA_ALIGN 4 /* actual minimum alignment */ |
| 49 | |
| 50 | /* |
| 51 | * Detailed contents of save areas. |
| 52 | * NOTE: caller must define the XCHAL_SA_REG macro (not defined here) |
| 53 | * before expanding the XCHAL_xxx_SA_LIST() macros. |
| 54 | * |
| 55 | * XCHAL_SA_REG(s,ccused,abikind,kind,opt,name,galign,align,asize, |
| 56 | * dbnum,base,regnum,bitsz,gapsz,reset,x...) |
| 57 | * |
| 58 | * s = passed from XCHAL_*_LIST(s), eg. to select how to expand |
| 59 | * ccused = set if used by compiler without special options or code |
| 60 | * abikind = 0 (caller-saved), 1 (callee-saved), or 2 (thread-global) |
| 61 | * kind = 0 (special reg), 1 (TIE user reg), or 2 (TIE regfile reg) |
| 62 | * opt = 0 (custom TIE extension or coprocessor), or 1 (optional reg) |
| 63 | * name = lowercase reg name (no quotes) |
| 64 | * galign = group byte alignment (power of 2) (galign >= align) |
| 65 | * align = register byte alignment (power of 2) |
| 66 | * asize = allocated size in bytes (asize*8 == bitsz + gapsz + padsz) |
| 67 | * (not including any pad bytes required to galign this or next reg) |
| 68 | * dbnum = unique target number f/debug (see <xtensa-libdb-macros.h>) |
| 69 | * base = reg shortname w/o index (or sr=special, ur=TIE user reg) |
| 70 | * regnum = reg index in regfile, or special/TIE-user reg number |
| 71 | * bitsz = number of significant bits (regfile width, or ur/sr mask bits) |
| 72 | * gapsz = intervening bits, if bitsz bits not stored contiguously |
| 73 | * (padsz = pad bits at end [TIE regfile] or at msbits [ur,sr] of asize) |
| 74 | * reset = register reset value (or 0 if undefined at reset) |
| 75 | * x = reserved for future use (0 until then) |
| 76 | * |
| 77 | * To filter out certain registers, e.g. to expand only the non-global |
| 78 | * registers used by the compiler, you can do something like this: |
| 79 | * |
| 80 | * #define XCHAL_SA_REG(s,ccused,p...) SELCC##ccused(p) |
| 81 | * #define SELCC0(p...) |
| 82 | * #define SELCC1(abikind,p...) SELAK##abikind(p) |
| 83 | * #define SELAK0(p...) REG(p) |
| 84 | * #define SELAK1(p...) REG(p) |
| 85 | * #define SELAK2(p...) |
| 86 | * #define REG(kind,tie,name,galn,aln,asz,csz,dbnum,base,rnum,bsz,rst,x...) \ |
| 87 | * ...what you want to expand... |
| 88 | */ |
| 89 | |
| 90 | #define XCHAL_NCP_SA_NUM 8 |
| 91 | #define XCHAL_NCP_SA_LIST(s) \ |
| 92 | XCHAL_SA_REG(s,1,2,1,1, threadptr, 4, 4, 4,0x03E7, ur,231, 32,0,0,0) \ |
| 93 | XCHAL_SA_REG(s,1,0,0,1, acclo, 4, 4, 4,0x0210, sr,16 , 32,0,0,0) \ |
| 94 | XCHAL_SA_REG(s,1,0,0,1, acchi, 4, 4, 4,0x0211, sr,17 , 8,0,0,0) \ |
| 95 | XCHAL_SA_REG(s,0,0,0,1, m0, 4, 4, 4,0x0220, sr,32 , 32,0,0,0) \ |
| 96 | XCHAL_SA_REG(s,0,0,0,1, m1, 4, 4, 4,0x0221, sr,33 , 32,0,0,0) \ |
| 97 | XCHAL_SA_REG(s,0,0,0,1, m2, 4, 4, 4,0x0222, sr,34 , 32,0,0,0) \ |
| 98 | XCHAL_SA_REG(s,0,0,0,1, m3, 4, 4, 4,0x0223, sr,35 , 32,0,0,0) \ |
| 99 | XCHAL_SA_REG(s,0,0,0,1, scompare1, 4, 4, 4,0x020C, sr,12 , 32,0,0,0) |
| 100 | |
| 101 | #define XCHAL_CP0_SA_NUM 0 |
| 102 | #define XCHAL_CP0_SA_LIST(s) /* empty */ |
| 103 | |
| 104 | #define XCHAL_CP1_SA_NUM 0 |
| 105 | #define XCHAL_CP1_SA_LIST(s) /* empty */ |
| 106 | |
| 107 | #define XCHAL_CP2_SA_NUM 0 |
| 108 | #define XCHAL_CP2_SA_LIST(s) /* empty */ |
| 109 | |
| 110 | #define XCHAL_CP3_SA_NUM 0 |
| 111 | #define XCHAL_CP3_SA_LIST(s) /* empty */ |
| 112 | |
| 113 | #define XCHAL_CP4_SA_NUM 0 |
| 114 | #define XCHAL_CP4_SA_LIST(s) /* empty */ |
| 115 | |
| 116 | #define XCHAL_CP5_SA_NUM 0 |
| 117 | #define XCHAL_CP5_SA_LIST(s) /* empty */ |
| 118 | |
| 119 | #define XCHAL_CP6_SA_NUM 0 |
| 120 | #define XCHAL_CP6_SA_LIST(s) /* empty */ |
| 121 | |
| 122 | #define XCHAL_CP7_SA_NUM 0 |
| 123 | #define XCHAL_CP7_SA_LIST(s) /* empty */ |
| 124 | |
| 125 | /* Byte length of instruction from its first nibble (op0 field), per FLIX. */ |
| 126 | #define XCHAL_OP0_FORMAT_LENGTHS 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3 |
| 127 | |
| 128 | #endif /*_XTENSA_CORE_TIE_H*/ |