| Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| Max Filippov | 4973940 | 2016-08-10 18:36:47 +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) 1999-2015 Cadence Design Systems Inc. |
| Max Filippov | 4973940 | 2016-08-10 18:36:47 +0300 | [diff] [blame] | 9 | */ |
| 10 | |
| 11 | #ifndef _XTENSA_CORE_TIE_H |
| 12 | #define _XTENSA_CORE_TIE_H |
| 13 | |
| 14 | #define XCHAL_CP_NUM 0 /* number of coprocessors */ |
| 15 | #define XCHAL_CP_MAX 0 /* max CP ID + 1 (0 if none) */ |
| 16 | #define XCHAL_CP_MASK 0x00 /* bitmask of all CPs by ID */ |
| 17 | #define XCHAL_CP_PORT_MASK 0x00 /* bitmask of only port CPs */ |
| 18 | |
| 19 | /* Save area for non-coprocessor optional and custom (TIE) state: */ |
| 20 | #define XCHAL_NCP_SA_SIZE 28 |
| 21 | #define XCHAL_NCP_SA_ALIGN 4 |
| 22 | |
| 23 | /* Total save area for optional and custom state (NCP + CPn): */ |
| 24 | #define XCHAL_TOTAL_SA_SIZE 32 /* with 16-byte align padding */ |
| 25 | #define XCHAL_TOTAL_SA_ALIGN 4 /* actual minimum alignment */ |
| 26 | |
| 27 | /* |
| 28 | * Detailed contents of save areas. |
| 29 | * NOTE: caller must define the XCHAL_SA_REG macro (not defined here) |
| 30 | * before expanding the XCHAL_xxx_SA_LIST() macros. |
| 31 | * |
| 32 | * XCHAL_SA_REG(s,ccused,abikind,kind,opt,name,galign,align,asize, |
| 33 | * dbnum,base,regnum,bitsz,gapsz,reset,x...) |
| 34 | * |
| 35 | * s = passed from XCHAL_*_LIST(s), eg. to select how to expand |
| 36 | * ccused = set if used by compiler without special options or code |
| 37 | * abikind = 0 (caller-saved), 1 (callee-saved), or 2 (thread-global) |
| 38 | * kind = 0 (special reg), 1 (TIE user reg), or 2 (TIE regfile reg) |
| 39 | * opt = 0 (custom TIE extension or coprocessor), or 1 (optional reg) |
| 40 | * name = lowercase reg name (no quotes) |
| 41 | * galign = group byte alignment (power of 2) (galign >= align) |
| 42 | * align = register byte alignment (power of 2) |
| 43 | * asize = allocated size in bytes (asize*8 == bitsz + gapsz + padsz) |
| 44 | * (not including any pad bytes required to galign this or next reg) |
| 45 | * dbnum = unique target number f/debug (see <xtensa-libdb-macros.h>) |
| 46 | * base = reg shortname w/o index (or sr=special, ur=TIE user reg) |
| 47 | * regnum = reg index in regfile, or special/TIE-user reg number |
| 48 | * bitsz = number of significant bits (regfile width, or ur/sr mask bits) |
| 49 | * gapsz = intervening bits, if bitsz bits not stored contiguously |
| 50 | * (padsz = pad bits at end [TIE regfile] or at msbits [ur,sr] of asize) |
| 51 | * reset = register reset value (or 0 if undefined at reset) |
| 52 | * x = reserved for future use (0 until then) |
| 53 | * |
| 54 | * To filter out certain registers, e.g. to expand only the non-global |
| 55 | * registers used by the compiler, you can do something like this: |
| 56 | * |
| 57 | * #define XCHAL_SA_REG(s,ccused,p...) SELCC##ccused(p) |
| 58 | * #define SELCC0(p...) |
| 59 | * #define SELCC1(abikind,p...) SELAK##abikind(p) |
| 60 | * #define SELAK0(p...) REG(p) |
| 61 | * #define SELAK1(p...) REG(p) |
| 62 | * #define SELAK2(p...) |
| 63 | * #define REG(kind,tie,name,galn,aln,asz,csz,dbnum,base,rnum,bsz,rst,x...) \ |
| 64 | * ...what you want to expand... |
| 65 | */ |
| 66 | |
| 67 | #define XCHAL_NCP_SA_NUM 7 |
| 68 | #define XCHAL_NCP_SA_LIST(s) \ |
| 69 | XCHAL_SA_REG(s,1,0,0,1, acclo, 4, 4, 4,0x0210, sr,16 , 32,0,0,0) \ |
| 70 | XCHAL_SA_REG(s,1,0,0,1, acchi, 4, 4, 4,0x0211, sr,17 , 8,0,0,0) \ |
| 71 | XCHAL_SA_REG(s,0,0,0,1, scompare1, 4, 4, 4,0x020C, sr,12 , 32,0,0,0) \ |
| 72 | XCHAL_SA_REG(s,0,0,0,1, m0, 4, 4, 4,0x0220, sr,32 , 32,0,0,0) \ |
| 73 | XCHAL_SA_REG(s,0,0,0,1, m1, 4, 4, 4,0x0221, sr,33 , 32,0,0,0) \ |
| 74 | XCHAL_SA_REG(s,0,0,0,1, m2, 4, 4, 4,0x0222, sr,34 , 32,0,0,0) \ |
| 75 | XCHAL_SA_REG(s,0,0,0,1, m3, 4, 4, 4,0x0223, sr,35 , 32,0,0,0) |
| 76 | |
| 77 | #define XCHAL_CP0_SA_NUM 0 |
| 78 | #define XCHAL_CP0_SA_LIST(s) /* empty */ |
| 79 | |
| 80 | #define XCHAL_CP1_SA_NUM 0 |
| 81 | #define XCHAL_CP1_SA_LIST(s) /* empty */ |
| 82 | |
| 83 | #define XCHAL_CP2_SA_NUM 0 |
| 84 | #define XCHAL_CP2_SA_LIST(s) /* empty */ |
| 85 | |
| 86 | #define XCHAL_CP3_SA_NUM 0 |
| 87 | #define XCHAL_CP3_SA_LIST(s) /* empty */ |
| 88 | |
| 89 | #define XCHAL_CP4_SA_NUM 0 |
| 90 | #define XCHAL_CP4_SA_LIST(s) /* empty */ |
| 91 | |
| 92 | #define XCHAL_CP5_SA_NUM 0 |
| 93 | #define XCHAL_CP5_SA_LIST(s) /* empty */ |
| 94 | |
| 95 | #define XCHAL_CP6_SA_NUM 0 |
| 96 | #define XCHAL_CP6_SA_LIST(s) /* empty */ |
| 97 | |
| 98 | #define XCHAL_CP7_SA_NUM 0 |
| 99 | #define XCHAL_CP7_SA_LIST(s) /* empty */ |
| 100 | |
| 101 | /* Byte length of instruction from its first nibble (op0 field), per FLIX. */ |
| 102 | #define XCHAL_OP0_FORMAT_LENGTHS 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3 |
| 103 | /* Byte length of instruction from its first byte, per FLIX. */ |
| 104 | #define XCHAL_BYTE0_FORMAT_LENGTHS \ |
| 105 | 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\ |
| 106 | 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\ |
| 107 | 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\ |
| 108 | 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\ |
| 109 | 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\ |
| 110 | 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\ |
| 111 | 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\ |
| 112 | 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3 |
| 113 | |
| 114 | #endif /*_XTENSA_CORE_TIE_H*/ |
| 115 | |