armv7a: read ttbcr and ttb0/1 at every entry in debug state
[openocd.git] / src / target / armv7a.h
index 8d7bece11724e2d135738756f3658f1ed62271fc..57779c61ad8aec822bdb9dda6ddef19d87e55025 100644 (file)
  *   GNU General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
-#ifndef ARMV7A_H
-#define ARMV7A_H
+#ifndef OPENOCD_TARGET_ARMV7A_H
+#define OPENOCD_TARGET_ARMV7A_H
 
 #include "arm_adi_v5.h"
 #include "armv7a_cache.h"
@@ -50,7 +48,6 @@ struct armv7a_l2x_cache {
 };
 
 struct armv7a_cachesize {
-       uint32_t level_num;
        /*  cache dimensionning */
        uint32_t linelen;
        uint32_t associativity;
@@ -90,11 +87,11 @@ struct armv7a_mmu_common {
        /* following field mmu working way */
        int32_t cached;     /* 0: not initialized, 1: initialized */
        uint32_t ttbcr;     /* cache for ttbcr register */
+       uint32_t ttbr[2];
        uint32_t ttbr_mask[2];
        uint32_t ttbr_range[2];
-       uint32_t os_border;
 
-       int (*read_physical_memory)(struct target *target, uint32_t address, uint32_t size,
+       int (*read_physical_memory)(struct target *target, target_addr_t address, uint32_t size,
                        uint32_t count, uint8_t *buffer);
        struct armv7a_cache_common armv7a_cache;
        uint32_t mmu_enabled;
@@ -105,13 +102,11 @@ struct armv7a_common {
        int common_magic;
        struct reg_cache *core_cache;
 
-       struct adiv5_dap dap;
-
        /* Core Debug Unit */
        struct arm_dpm dpm;
        uint32_t debug_base;
-       uint8_t debug_ap;
-       uint8_t memory_ap;
+       struct adiv5_ap *debug_ap;
+       struct adiv5_ap *memory_ap;
        bool memory_ap_available;
        /* mdir */
        uint8_t multi_processor_system;
@@ -139,6 +134,12 @@ target_to_armv7a(struct target *target)
        return container_of(target->arch_info, struct armv7a_common, arm);
 }
 
+static inline bool is_armv7a(struct armv7a_common *armv7a)
+{
+       return armv7a->common_magic == ARMV7_COMMON_MAGIC;
+}
+
+
 /* register offsets from armv7a.debug_base */
 
 /* See ARMv7a arch spec section C10.2 */
@@ -177,6 +178,13 @@ target_to_armv7a(struct target *target)
 /* See ARMv7a arch spec section C10.8 */
 #define CPUDBG_AUTHSTATUS      0xFB8
 
+/* Masks for Vector Catch register */
+#define DBG_VCR_FIQ_MASK       ((1 << 31) | (1 << 7))
+#define DBG_VCR_IRQ_MASK       ((1 << 30) | (1 << 6))
+#define DBG_VCR_DATA_ABORT_MASK        ((1 << 28) | (1 << 4))
+#define DBG_VCR_PREF_ABORT_MASK        ((1 << 27) | (1 << 3))
+#define DBG_VCR_SVC_MASK       ((1 << 26) | (1 << 2))
+
 int armv7a_arch_state(struct target *target);
 int armv7a_identify_cache(struct target *target);
 int armv7a_init_arch_info(struct target *target, struct armv7a_common *armv7a);
@@ -186,7 +194,8 @@ int armv7a_mmu_translate_va(struct target *target,  uint32_t va, uint32_t *val);
 
 int armv7a_handle_cache_info_command(struct command_context *cmd_ctx,
                struct armv7a_cache_common *armv7a_cache);
+int armv7a_read_ttbcr(struct target *target);
 
 extern const struct command_registration armv7a_command_handlers[];
 
-#endif /* ARMV4_5_H */
+#endif /* OPENOCD_TARGET_ARMV7A_H */

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