1 /***************************************************************************
2 * Copyright (C) 2015 by David Ung *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 ***************************************************************************/
19 #ifndef OPENOCD_TARGET_ARMV8_H
20 #define OPENOCD_TARGET_ARMV8_H
22 #include "arm_adi_v5.h"
24 #include "armv4_5_mmu.h"
25 #include "armv4_5_cache.h"
26 #include "armv8_dpm.h"
69 #define ARMV8_COMMON_MAGIC 0x0A450AAA
71 /* VA to PA translation operations opc2 values*/
80 /* L210/L220 cache controller support */
81 struct armv8_l2x_cache {
86 struct armv8_cachesize {
88 /* cache dimensionning */
90 uint32_t associativity;
93 /* info for set way operation on cache */
100 struct armv8_cache_common {
102 struct armv8_cachesize d_u_size; /* data cache */
103 struct armv8_cachesize i_size; /* instruction cache */
105 int d_u_cache_enabled;
106 /* l2 external unified cache if some */
108 int (*flush_all_data_cache)(struct target *target);
109 int (*display_cache_info)(struct command_context *cmd_ctx,
110 struct armv8_cache_common *armv8_cache);
113 struct armv8_mmu_common {
114 /* following field mmu working way */
115 int32_t ttbr1_used; /* -1 not initialized, 0 no ttbr1 1 ttbr1 used and */
116 uint64_t ttbr0_mask;/* masked to be used */
119 int (*read_physical_memory)(struct target *target, target_addr_t address,
120 uint32_t size, uint32_t count, uint8_t *buffer);
121 struct armv8_cache_common armv8_cache;
122 uint32_t mmu_enabled;
125 struct armv8_common {
128 struct reg_cache *core_cache;
130 /* Core Debug Unit */
135 struct adiv5_ap *debug_ap;
136 struct adiv5_ap *memory_ap;
137 bool memory_ap_available;
139 uint8_t multi_processor_system;
144 /* armv8 aarch64 need below information for page translation */
150 /* cache specific to V7 Memory Management Unit compatible with v4_5*/
151 struct armv8_mmu_common armv8_mmu;
153 /* Direct processor core register read and writes */
154 int (*load_core_reg_u64)(struct target *target, uint32_t num, uint64_t *value);
155 int (*store_core_reg_u64)(struct target *target, uint32_t num, uint64_t value);
157 int (*examine_debug_reason)(struct target *target);
158 int (*post_debug_entry)(struct target *target);
160 void (*pre_restore_context)(struct target *target);
163 static inline struct armv8_common *
164 target_to_armv8(struct target *target)
166 return container_of(target->arch_info, struct armv8_common, arm);
169 /* register offsets from armv8.debug_base */
170 #define CPUV8_DBG_MAINID0 0xD00
171 #define CPUV8_DBG_CPUFEATURE0 0xD20
172 #define CPUV8_DBG_DBGFEATURE0 0xD28
173 #define CPUV8_DBG_MEMFEATURE0 0xD38
175 #define CPUV8_DBG_LOCKACCESS 0xFB0
176 #define CPUV8_DBG_LOCKSTATUS 0xFB4
178 #define CPUV8_DBG_EDESR 0x20
179 #define CPUV8_DBG_EDECR 0x24
180 #define CPUV8_DBG_WFAR0 0x30
181 #define CPUV8_DBG_WFAR1 0x34
182 #define CPUV8_DBG_DSCR 0x088
183 #define CPUV8_DBG_DRCR 0x090
184 #define CPUV8_DBG_PRCR 0x310
185 #define CPUV8_DBG_PRSR 0x314
187 #define CPUV8_DBG_DTRRX 0x080
188 #define CPUV8_DBG_ITR 0x084
189 #define CPUV8_DBG_SCR 0x088
190 #define CPUV8_DBG_DTRTX 0x08c
192 #define CPUV8_DBG_BVR_BASE 0x400
193 #define CPUV8_DBG_BCR_BASE 0x408
194 #define CPUV8_DBG_WVR_BASE 0x800
195 #define CPUV8_DBG_WCR_BASE 0x808
196 #define CPUV8_DBG_VCR 0x01C
198 #define CPUV8_DBG_OSLAR 0x300
200 #define CPUV8_DBG_AUTHSTATUS 0xFB8
202 /*define CTI(cross trigger interface)*/
204 #define CTI_INACK 0x10
205 #define CTI_APPSET 0x14
206 #define CTI_APPCLEAR 0x18
207 #define CTI_APPPULSE 0x1C
208 #define CTI_INEN0 0x20
209 #define CTI_INEN1 0x24
210 #define CTI_INEN2 0x28
211 #define CTI_INEN3 0x2C
212 #define CTI_INEN4 0x30
213 #define CTI_INEN5 0x34
214 #define CTI_INEN6 0x38
215 #define CTI_INEN7 0x3C
216 #define CTI_OUTEN0 0xA0
217 #define CTI_OUTEN1 0xA4
218 #define CTI_OUTEN2 0xA8
219 #define CTI_OUTEN3 0xAC
220 #define CTI_OUTEN4 0xB0
221 #define CTI_OUTEN5 0xB4
222 #define CTI_OUTEN6 0xB8
223 #define CTI_OUTEN7 0xBC
224 #define CTI_TRIN_STATUS 0x130
225 #define CTI_TROUT_STATUS 0x134
226 #define CTI_CHIN_STATUS 0x138
227 #define CTI_CHOU_STATUS 0x13C
228 #define CTI_GATE 0x140
229 #define CTI_UNLOCK 0xFB0
231 #define PAGE_SIZE_4KB 0x1000
232 #define PAGE_SIZE_4KB_LEVEL0_BITS 39
233 #define PAGE_SIZE_4KB_LEVEL1_BITS 30
234 #define PAGE_SIZE_4KB_LEVEL2_BITS 21
235 #define PAGE_SIZE_4KB_LEVEL3_BITS 12
237 #define PAGE_SIZE_4KB_LEVEL0_MASK ((0x1FFULL) << PAGE_SIZE_4KB_LEVEL0_BITS)
238 #define PAGE_SIZE_4KB_LEVEL1_MASK ((0x1FFULL) << PAGE_SIZE_4KB_LEVEL1_BITS)
239 #define PAGE_SIZE_4KB_LEVEL2_MASK ((0x1FFULL) << PAGE_SIZE_4KB_LEVEL2_BITS)
240 #define PAGE_SIZE_4KB_LEVEL3_MASK ((0x1FFULL) << PAGE_SIZE_4KB_LEVEL3_BITS)
242 #define PAGE_SIZE_4KB_TRBBASE_MASK 0xFFFFFFFFF000
244 int armv8_arch_state(struct target *target);
245 int armv8_identify_cache(struct target *target);
246 int armv8_init_arch_info(struct target *target, struct armv8_common *armv8);
247 int armv8_mmu_translate_va_pa(struct target *target, target_addr_t va,
248 target_addr_t *val, int meminfo);
249 int armv8_mmu_translate_va(struct target *target, uint32_t va, uint32_t *val);
251 int armv8_handle_cache_info_command(struct command_context *cmd_ctx,
252 struct armv8_cache_common *armv8_cache);
254 void armv8_set_cpsr(struct arm *arm, uint32_t cpsr);
256 extern const struct command_registration armv8_command_handlers[];