| Satyajit Desai | 66b6c45 | 2017-06-27 17:10:46 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2014, 2016-2017, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #ifndef __ASM_DEBUGV8_H |
| 14 | #define __ASM_DEBUGV8_H |
| 15 | |
| 16 | #include <linux/types.h> |
| 17 | |
| 18 | /* 32 bit register reads for aarch 64 bit */ |
| 19 | #define dbg_readl(reg) RSYSL_##reg() |
| 20 | /* 64 bit register reads for aarch 64 bit */ |
| 21 | #define dbg_readq(reg) RSYSQ_##reg() |
| 22 | /* 32 and 64 bit register writes for aarch 64 bit */ |
| 23 | #define dbg_write(val, reg) WSYS_##reg(val) |
| 24 | |
| 25 | #define MRSL(reg) \ |
| 26 | ({ \ |
| 27 | uint32_t val; \ |
| 28 | asm volatile("mrs %0, "#reg : "=r" (val)); \ |
| 29 | val; \ |
| 30 | }) |
| 31 | |
| 32 | #define MRSQ(reg) \ |
| 33 | ({ \ |
| 34 | uint64_t val; \ |
| 35 | asm volatile("mrs %0, "#reg : "=r" (val)); \ |
| 36 | val; \ |
| 37 | }) |
| 38 | |
| 39 | #define MSR(val, reg) \ |
| 40 | ({ \ |
| 41 | asm volatile("msr "#reg", %0" : : "r" (val)); \ |
| 42 | }) |
| 43 | |
| 44 | /* |
| 45 | * Debug Feature Register |
| 46 | * |
| 47 | * Read only |
| 48 | */ |
| 49 | #define RSYSQ_ID_AA64DFR0_EL1() MRSQ(ID_AA64DFR0_EL1) |
| 50 | |
| 51 | /* |
| 52 | * Debug Registers |
| 53 | * |
| 54 | * Available only in DBGv8 |
| 55 | * |
| 56 | * Read only |
| 57 | * MDCCSR_EL0, MDRAR_EL1, OSLSR_EL1, DBGDTRRX_EL0, DBGAUTHSTATUS_EL1 |
| 58 | * |
| 59 | * Write only |
| 60 | * DBGDTRTX_EL0, OSLAR_EL1 |
| 61 | */ |
| 62 | /* 32 bit registers */ |
| 63 | #define RSYSL_DBGDTRRX_EL0() MRSL(DBGDTRRX_EL0) |
| 64 | #define RSYSL_MDCCSR_EL0() MRSL(MDCCSR_EL0) |
| 65 | #define RSYSL_MDSCR_EL1() MRSL(MDSCR_EL1) |
| 66 | #define RSYSL_OSDTRRX_EL1() MRSL(OSDTRRX_EL1) |
| 67 | #define RSYSL_OSDTRTX_EL1() MRSL(OSDTRTX_EL1) |
| 68 | #define RSYSL_OSDLR_EL1() MRSL(OSDLR_EL1) |
| 69 | #define RSYSL_OSLSR_EL1() MRSL(OSLSR_EL1) |
| 70 | #define RSYSL_MDCCINT_EL1() MRSL(MDCCINT_EL1) |
| 71 | #define RSYSL_OSECCR_EL1() MRSL(OSECCR_EL1) |
| 72 | #define RSYSL_DBGPRCR_EL1() MRSL(DBGPRCR_EL1) |
| 73 | #define RSYSL_DBGBCR0_EL1() MRSL(DBGBCR0_EL1) |
| 74 | #define RSYSL_DBGBCR1_EL1() MRSL(DBGBCR1_EL1) |
| 75 | #define RSYSL_DBGBCR2_EL1() MRSL(DBGBCR2_EL1) |
| 76 | #define RSYSL_DBGBCR3_EL1() MRSL(DBGBCR3_EL1) |
| 77 | #define RSYSL_DBGBCR4_EL1() MRSL(DBGBCR4_EL1) |
| 78 | #define RSYSL_DBGBCR5_EL1() MRSL(DBGBCR5_EL1) |
| 79 | #define RSYSL_DBGBCR6_EL1() MRSL(DBGBCR6_EL1) |
| 80 | #define RSYSL_DBGBCR7_EL1() MRSL(DBGBCR7_EL1) |
| 81 | #define RSYSL_DBGBCR8_EL1() MRSL(DBGBCR8_EL1) |
| 82 | #define RSYSL_DBGBCR9_EL1() MRSL(DBGBCR9_EL1) |
| 83 | #define RSYSL_DBGBCR10_EL1() MRSL(DBGBCR10_EL1) |
| 84 | #define RSYSL_DBGBCR11_EL1() MRSL(DBGBCR11_EL1) |
| 85 | #define RSYSL_DBGBCR12_EL1() MRSL(DBGBCR12_EL1) |
| 86 | #define RSYSL_DBGBCR13_EL1() MRSL(DBGBCR13_EL1) |
| 87 | #define RSYSL_DBGBCR14_EL1() MRSL(DBGBCR14_EL1) |
| 88 | #define RSYSL_DBGBCR15_EL1() MRSL(DBGBCR15_EL1) |
| 89 | #define RSYSL_DBGWCR0_EL1() MRSL(DBGWCR0_EL1) |
| 90 | #define RSYSL_DBGWCR1_EL1() MRSL(DBGWCR1_EL1) |
| 91 | #define RSYSL_DBGWCR2_EL1() MRSL(DBGWCR2_EL1) |
| 92 | #define RSYSL_DBGWCR3_EL1() MRSL(DBGWCR3_EL1) |
| 93 | #define RSYSL_DBGWCR4_EL1() MRSL(DBGWCR4_EL1) |
| 94 | #define RSYSL_DBGWCR5_EL1() MRSL(DBGWCR5_EL1) |
| 95 | #define RSYSL_DBGWCR6_EL1() MRSL(DBGWCR6_EL1) |
| 96 | #define RSYSL_DBGWCR7_EL1() MRSL(DBGWCR7_EL1) |
| 97 | #define RSYSL_DBGWCR8_EL1() MRSL(DBGWCR8_EL1) |
| 98 | #define RSYSL_DBGWCR9_EL1() MRSL(DBGWCR9_EL1) |
| 99 | #define RSYSL_DBGWCR10_EL1() MRSL(DBGWCR10_EL1) |
| 100 | #define RSYSL_DBGWCR11_EL1() MRSL(DBGWCR11_EL1) |
| 101 | #define RSYSL_DBGWCR12_EL1() MRSL(DBGWCR12_EL1) |
| 102 | #define RSYSL_DBGWCR13_EL1() MRSL(DBGWCR13_EL1) |
| 103 | #define RSYSL_DBGWCR14_EL1() MRSL(DBGWCR14_EL1) |
| 104 | #define RSYSL_DBGWCR15_EL1() MRSL(DBGWCR15_EL1) |
| 105 | #define RSYSL_DBGCLAIMSET_EL1() MRSL(DBGCLAIMSET_EL1) |
| 106 | #define RSYSL_DBGCLAIMCLR_EL1() MRSL(DBGCLAIMCLR_EL1) |
| 107 | #define RSYSL_DBGAUTHSTATUS_EL1() MRSL(DBGAUTHSTATUS_EL1) |
| 108 | #define RSYSL_DBGVCR32_EL2() MRSL(DBGVCR32_EL2) |
| 109 | #define RSYSL_MDCR_EL2() MRSL(MDCR_EL2) |
| 110 | #define RSYSL_MDCR_EL3() MRSL(MDCR_EL3) |
| 111 | /* 64 bit registers */ |
| 112 | #define RSYSQ_DBGDTR_EL0() MRSQ(DBGDTR_EL0) |
| 113 | #define RSYSQ_MDRAR_EL1() MRSQ(MDRAR_EL1) |
| 114 | #define RSYSQ_DBGBVR0_EL1() MRSQ(DBGBVR0_EL1) |
| 115 | #define RSYSQ_DBGBVR1_EL1() MRSQ(DBGBVR1_EL1) |
| 116 | #define RSYSQ_DBGBVR2_EL1() MRSQ(DBGBVR2_EL1) |
| 117 | #define RSYSQ_DBGBVR3_EL1() MRSQ(DBGBVR3_EL1) |
| 118 | #define RSYSQ_DBGBVR4_EL1() MRSQ(DBGBVR4_EL1) |
| 119 | #define RSYSQ_DBGBVR5_EL1() MRSQ(DBGBVR5_EL1) |
| 120 | #define RSYSQ_DBGBVR6_EL1() MRSQ(DBGBVR6_EL1) |
| 121 | #define RSYSQ_DBGBVR7_EL1() MRSQ(DBGBVR7_EL1) |
| 122 | #define RSYSQ_DBGBVR8_EL1() MRSQ(DBGBVR8_EL1) |
| 123 | #define RSYSQ_DBGBVR9_EL1() MRSQ(DBGBVR9_EL1) |
| 124 | #define RSYSQ_DBGBVR10_EL1() MRSQ(DBGBVR10_EL1) |
| 125 | #define RSYSQ_DBGBVR11_EL1() MRSQ(DBGBVR11_EL1) |
| 126 | #define RSYSQ_DBGBVR12_EL1() MRSQ(DBGBVR12_EL1) |
| 127 | #define RSYSQ_DBGBVR13_EL1() MRSQ(DBGBVR13_EL1) |
| 128 | #define RSYSQ_DBGBVR14_EL1() MRSQ(DBGBVR14_EL1) |
| 129 | #define RSYSQ_DBGBVR15_EL1() MRSQ(DBGBVR15_EL1) |
| 130 | #define RSYSQ_DBGWVR0_EL1() MRSQ(DBGWVR0_EL1) |
| 131 | #define RSYSQ_DBGWVR1_EL1() MRSQ(DBGWVR1_EL1) |
| 132 | #define RSYSQ_DBGWVR2_EL1() MRSQ(DBGWVR2_EL1) |
| 133 | #define RSYSQ_DBGWVR3_EL1() MRSQ(DBGWVR3_EL1) |
| 134 | #define RSYSQ_DBGWVR4_EL1() MRSQ(DBGWVR4_EL1) |
| 135 | #define RSYSQ_DBGWVR5_EL1() MRSQ(DBGWVR5_EL1) |
| 136 | #define RSYSQ_DBGWVR6_EL1() MRSQ(DBGWVR6_EL1) |
| 137 | #define RSYSQ_DBGWVR7_EL1() MRSQ(DBGWVR7_EL1) |
| 138 | #define RSYSQ_DBGWVR8_EL1() MRSQ(DBGWVR8_EL1) |
| 139 | #define RSYSQ_DBGWVR9_EL1() MRSQ(DBGWVR9_EL1) |
| 140 | #define RSYSQ_DBGWVR10_EL1() MRSQ(DBGWVR10_EL1) |
| 141 | #define RSYSQ_DBGWVR11_EL1() MRSQ(DBGWVR11_EL1) |
| 142 | #define RSYSQ_DBGWVR12_EL1() MRSQ(DBGWVR12_EL1) |
| 143 | #define RSYSQ_DBGWVR13_EL1() MRSQ(DBGWVR13_EL1) |
| 144 | #define RSYSQ_DBGWVR14_EL1() MRSQ(DBGWVR14_EL1) |
| 145 | #define RSYSQ_DBGWVR15_EL1() MRSQ(DBGWVR15_EL1) |
| 146 | |
| 147 | /* 32 bit registers */ |
| 148 | #define WSYS_DBGDTRTX_EL0(val) MSR(val, DBGDTRTX_EL0) |
| 149 | #define WSYS_MDCCINT_EL1(val) MSR(val, MDCCINT_EL1) |
| 150 | #define WSYS_MDSCR_EL1(val) MSR(val, MDSCR_EL1) |
| 151 | #define WSYS_OSDTRRX_EL1(val) MSR(val, OSDTRRX_EL1) |
| 152 | #define WSYS_OSDTRTX_EL1(val) MSR(val, OSDTRTX_EL1) |
| 153 | #define WSYS_OSDLR_EL1(val) MSR(val, OSDLR_EL1) |
| 154 | #define WSYS_OSECCR_EL1(val) MSR(val, OSECCR_EL1) |
| 155 | #define WSYS_DBGPRCR_EL1(val) MSR(val, DBGPRCR_EL1) |
| 156 | #define WSYS_DBGBCR0_EL1(val) MSR(val, DBGBCR0_EL1) |
| 157 | #define WSYS_DBGBCR1_EL1(val) MSR(val, DBGBCR1_EL1) |
| 158 | #define WSYS_DBGBCR2_EL1(val) MSR(val, DBGBCR2_EL1) |
| 159 | #define WSYS_DBGBCR3_EL1(val) MSR(val, DBGBCR3_EL1) |
| 160 | #define WSYS_DBGBCR4_EL1(val) MSR(val, DBGBCR4_EL1) |
| 161 | #define WSYS_DBGBCR5_EL1(val) MSR(val, DBGBCR5_EL1) |
| 162 | #define WSYS_DBGBCR6_EL1(val) MSR(val, DBGBCR6_EL1) |
| 163 | #define WSYS_DBGBCR7_EL1(val) MSR(val, DBGBCR7_EL1) |
| 164 | #define WSYS_DBGBCR8_EL1(val) MSR(val, DBGBCR8_EL1) |
| 165 | #define WSYS_DBGBCR9_EL1(val) MSR(val, DBGBCR9_EL1) |
| 166 | #define WSYS_DBGBCR10_EL1(val) MSR(val, DBGBCR10_EL1) |
| 167 | #define WSYS_DBGBCR11_EL1(val) MSR(val, DBGBCR11_EL1) |
| 168 | #define WSYS_DBGBCR12_EL1(val) MSR(val, DBGBCR12_EL1) |
| 169 | #define WSYS_DBGBCR13_EL1(val) MSR(val, DBGBCR13_EL1) |
| 170 | #define WSYS_DBGBCR14_EL1(val) MSR(val, DBGBCR14_EL1) |
| 171 | #define WSYS_DBGBCR15_EL1(val) MSR(val, DBGBCR15_EL1) |
| 172 | #define WSYS_DBGWCR0_EL1(val) MSR(val, DBGWCR0_EL1) |
| 173 | #define WSYS_DBGWCR1_EL1(val) MSR(val, DBGWCR1_EL1) |
| 174 | #define WSYS_DBGWCR2_EL1(val) MSR(val, DBGWCR2_EL1) |
| 175 | #define WSYS_DBGWCR3_EL1(val) MSR(val, DBGWCR3_EL1) |
| 176 | #define WSYS_DBGWCR4_EL1(val) MSR(val, DBGWCR4_EL1) |
| 177 | #define WSYS_DBGWCR5_EL1(val) MSR(val, DBGWCR5_EL1) |
| 178 | #define WSYS_DBGWCR6_EL1(val) MSR(val, DBGWCR6_EL1) |
| 179 | #define WSYS_DBGWCR7_EL1(val) MSR(val, DBGWCR7_EL1) |
| 180 | #define WSYS_DBGWCR8_EL1(val) MSR(val, DBGWCR8_EL1) |
| 181 | #define WSYS_DBGWCR9_EL1(val) MSR(val, DBGWCR9_EL1) |
| 182 | #define WSYS_DBGWCR10_EL1(val) MSR(val, DBGWCR10_EL1) |
| 183 | #define WSYS_DBGWCR11_EL1(val) MSR(val, DBGWCR11_EL1) |
| 184 | #define WSYS_DBGWCR12_EL1(val) MSR(val, DBGWCR12_EL1) |
| 185 | #define WSYS_DBGWCR13_EL1(val) MSR(val, DBGWCR13_EL1) |
| 186 | #define WSYS_DBGWCR14_EL1(val) MSR(val, DBGWCR14_EL1) |
| 187 | #define WSYS_DBGWCR15_EL1(val) MSR(val, DBGWCR15_EL1) |
| 188 | #define WSYS_DBGCLAIMSET_EL1(val) MSR(val, DBGCLAIMSET_EL1) |
| 189 | #define WSYS_DBGCLAIMCLR_EL1(val) MSR(val, DBGCLAIMCLR_EL1) |
| 190 | #define WSYS_OSLAR_EL1(val) MSR(val, OSLAR_EL1) |
| 191 | #define WSYS_DBGVCR32_EL2(val) MSR(val, DBGVCR32_EL2) |
| 192 | #define WSYS_MDCR_EL2(val) MSR(val, MDCR_EL2) |
| 193 | #define WSYS_MDCR_EL3(val) MSR(val, MDCR_EL3) |
| 194 | /* 64 bit registers */ |
| 195 | #define WSYS_DBGDTR_EL0(val) MSR(val, DBGDTR_EL0) |
| 196 | #define WSYS_DBGBVR0_EL1(val) MSR(val, DBGBVR0_EL1) |
| 197 | #define WSYS_DBGBVR1_EL1(val) MSR(val, DBGBVR1_EL1) |
| 198 | #define WSYS_DBGBVR2_EL1(val) MSR(val, DBGBVR2_EL1) |
| 199 | #define WSYS_DBGBVR3_EL1(val) MSR(val, DBGBVR3_EL1) |
| 200 | #define WSYS_DBGBVR4_EL1(val) MSR(val, DBGBVR4_EL1) |
| 201 | #define WSYS_DBGBVR5_EL1(val) MSR(val, DBGBVR5_EL1) |
| 202 | #define WSYS_DBGBVR6_EL1(val) MSR(val, DBGBVR6_EL1) |
| 203 | #define WSYS_DBGBVR7_EL1(val) MSR(val, DBGBVR7_EL1) |
| 204 | #define WSYS_DBGBVR8_EL1(val) MSR(val, DBGBVR8_EL1) |
| 205 | #define WSYS_DBGBVR9_EL1(val) MSR(val, DBGBVR9_EL1) |
| 206 | #define WSYS_DBGBVR10_EL1(val) MSR(val, DBGBVR10_EL1) |
| 207 | #define WSYS_DBGBVR11_EL1(val) MSR(val, DBGBVR11_EL1) |
| 208 | #define WSYS_DBGBVR12_EL1(val) MSR(val, DBGBVR12_EL1) |
| 209 | #define WSYS_DBGBVR13_EL1(val) MSR(val, DBGBVR13_EL1) |
| 210 | #define WSYS_DBGBVR14_EL1(val) MSR(val, DBGBVR14_EL1) |
| 211 | #define WSYS_DBGBVR15_EL1(val) MSR(val, DBGBVR15_EL1) |
| 212 | #define WSYS_DBGWVR0_EL1(val) MSR(val, DBGWVR0_EL1) |
| 213 | #define WSYS_DBGWVR1_EL1(val) MSR(val, DBGWVR1_EL1) |
| 214 | #define WSYS_DBGWVR2_EL1(val) MSR(val, DBGWVR2_EL1) |
| 215 | #define WSYS_DBGWVR3_EL1(val) MSR(val, DBGWVR3_EL1) |
| 216 | #define WSYS_DBGWVR4_EL1(val) MSR(val, DBGWVR4_EL1) |
| 217 | #define WSYS_DBGWVR5_EL1(val) MSR(val, DBGWVR5_EL1) |
| 218 | #define WSYS_DBGWVR6_EL1(val) MSR(val, DBGWVR6_EL1) |
| 219 | #define WSYS_DBGWVR7_EL1(val) MSR(val, DBGWVR7_EL1) |
| 220 | #define WSYS_DBGWVR8_EL1(val) MSR(val, DBGWVR8_EL1) |
| 221 | #define WSYS_DBGWVR9_EL1(val) MSR(val, DBGWVR9_EL1) |
| 222 | #define WSYS_DBGWVR10_EL1(val) MSR(val, DBGWVR10_EL1) |
| 223 | #define WSYS_DBGWVR11_EL1(val) MSR(val, DBGWVR11_EL1) |
| 224 | #define WSYS_DBGWVR12_EL1(val) MSR(val, DBGWVR12_EL1) |
| 225 | #define WSYS_DBGWVR13_EL1(val) MSR(val, DBGWVR13_EL1) |
| 226 | #define WSYS_DBGWVR14_EL1(val) MSR(val, DBGWVR14_EL1) |
| 227 | #define WSYS_DBGWVR15_EL1(val) MSR(val, DBGWVR15_EL1) |
| 228 | |
| 229 | #endif |