armv7a: ARMv7-A MMU tools

[openocd.git] / src / target / armv7a.h

diff --git a/src/target/armv7a.h b/src/target/armv7a.h
index db34ca66ceba5cb21335fc6b39234c1a2f530d2a..1e88c98cf774e631d081e42855d2d96d7a446803 100644 (file)
--- a/src/target/armv7a.h
+++ b/src/target/armv7a.h
@@ -12,15 +12,14 @@
  *   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"
 #include "arm.h"
 #include "armv4_5_mmu.h"
 #include "armv4_5_cache.h"
@@ -49,7 +48,6 @@ struct armv7a_l2x_cache {
 };
 
 struct armv7a_cachesize {
-       uint32_t level_num;
        /*  cache dimensionning */
        uint32_t linelen;
        uint32_t associativity;
@@ -62,28 +60,38 @@ struct armv7a_cachesize {
        uint32_t way_shift;
 };
 
-struct armv7a_cache_common {
-       int ctype;
+/* information about one architecture cache at any level */
+struct armv7a_arch_cache {
+       int ctype;                              /* cache type, CLIDR encoding */
        struct armv7a_cachesize d_u_size;       /* data cache */
        struct armv7a_cachesize i_size;         /* instruction cache */
+};
+
+/* common cache information */
+struct armv7a_cache_common {
+       int info;                               /* -1 invalid, else valid */
+       int loc;                                /* level of coherency */
+       uint32_t dminline;                      /* minimum d-cache linelen */
+       uint32_t iminline;                      /* minimum i-cache linelen */
+       struct armv7a_arch_cache arch[6];       /* cache info, L1 - L7 */
        int i_cache_enabled;
        int d_u_cache_enabled;
-       /* l2 external unified cache if some */
-       void *l2_cache;
+       int auto_cache_enabled;                 /* openocd automatic
+                                                * cache handling */
+       /* outer unified cache if some */
+       void *outer_cache;
        int (*flush_all_data_cache)(struct target *target);
-       int (*display_cache_info)(struct command_context *cmd_ctx,
-                       struct armv7a_cache_common *armv7a_cache);
 };
 
 struct armv7a_mmu_common {
        /* following field mmu working way */
-       int32_t ttbr0_used;
-       int32_t ttbr1_used; /*  -1 not initialized, 0 no ttbr1 1 ttbr1 used and  */
-       uint32_t ttbr0_mask;/*  masked to be used  */
-       uint32_t os_border;
-       uint32_t ttbcr;
+       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];
 
-       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;
@@ -94,14 +102,10 @@ 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;
-       bool memory_ap_available;
+       struct adiv5_ap *debug_ap;
        /* mdir */
        uint8_t multi_processor_system;
        uint8_t cluster_id;
@@ -128,6 +132,12 @@ 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 */
@@ -161,20 +171,26 @@ target_to_armv7a(struct target *target)
 
 /* See ARMv7a arch spec section C10.7 */
 #define CPUDBG_DSCCR           0x028
+#define CPUDBG_DSMCR           0x02C
 
 /* 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);
-int armv7a_mmu_translate_va_pa(struct target *target, uint32_t va,
-               uint32_t *val, int meminfo);
-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 */