#include "register.h"
#include "embeddedice.h"
#include "arm_jtag.h"
-#include <stdbool.h>
+#include "types.h"
#define asizeof(x) (sizeof(x) / sizeof((x)[0]))
#define ARM11_REGCACHE_FREGS 0
#define ARM11_REGCACHE_COUNT (20 + \
- 23 * ARM11_REGCACHE_MODEREGS + \
+ 23 * ARM11_REGCACHE_MODEREGS + \
9 * ARM11_REGCACHE_FREGS)
+#define ARM11_TAP_DEFAULT TAP_INVALID
+
+
typedef struct arm11_register_history_s
{
u32 value;
enum arm11_debug_version
{
- ARM11_DEBUG_V6 = 0x01,
- ARM11_DEBUG_V61 = 0x02,
- ARM11_DEBUG_V7 = 0x03,
- ARM11_DEBUG_V7_CP14 = 0x04,
+ ARM11_DEBUG_V6 = 0x01,
+ ARM11_DEBUG_V61 = 0x02,
+ ARM11_DEBUG_V7 = 0x03,
+ ARM11_DEBUG_V7_CP14 = 0x04,
};
typedef struct arm11_common_s
{
- target_t * target;
+ target_t * target; /**< Reference back to the owner */
- arm_jtag_t jtag_info;
+ arm_jtag_t jtag_info; /**< Handler to access assigned JTAG device */
/** \name Processor type detection */
/*@{*/
/*@}*/
u32 last_dscr; /**< Last retrieved DSCR value;
- * Can be used to detect changes */
+ Use only for debug message generation */
bool trst_active;
- bool halt_requested;
- bool simulate_reset_on_next_halt;
+ bool halt_requested; /**< Keep track if arm11_halt() calls occured
+ during reset. Otherwise do it ASAP. */
+
+ bool simulate_reset_on_next_halt; /**< Perform cleanups of the ARM state on next halt */
/** \name Shadow registers to save processor state */
/*@{*/
enum arm11_dscr
{
- ARM11_DSCR_CORE_HALTED = 1 << 0,
- ARM11_DSCR_CORE_RESTARTED = 1 << 1,
-
- ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_MASK = 0x0F << 2,
- ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_HALT = 0x00 << 2,
- ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BREAKPOINT = 0x01 << 2,
- ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_WATCHPOINT = 0x02 << 2,
- ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BKPT_INSTRUCTION = 0x03 << 2,
- ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_EDBGRQ = 0x04 << 2,
- ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_VECTOR_CATCH = 0x05 << 2,
-
- ARM11_DSCR_STICKY_PRECISE_DATA_ABORT = 1 << 6,
- ARM11_DSCR_STICKY_IMPRECISE_DATA_ABORT = 1 << 7,
- ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE = 1 << 13,
- ARM11_DSCR_MODE_SELECT = 1 << 14,
- ARM11_DSCR_WDTR_FULL = 1 << 29,
- ARM11_DSCR_RDTR_FULL = 1 << 30,
+ ARM11_DSCR_CORE_HALTED = 1 << 0,
+ ARM11_DSCR_CORE_RESTARTED = 1 << 1,
+
+ ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_MASK = 0x0F << 2,
+ ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_HALT = 0x00 << 2,
+ ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BREAKPOINT = 0x01 << 2,
+ ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_WATCHPOINT = 0x02 << 2,
+ ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BKPT_INSTRUCTION = 0x03 << 2,
+ ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_EDBGRQ = 0x04 << 2,
+ ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_VECTOR_CATCH = 0x05 << 2,
+
+ ARM11_DSCR_STICKY_PRECISE_DATA_ABORT = 1 << 6,
+ ARM11_DSCR_STICKY_IMPRECISE_DATA_ABORT = 1 << 7,
+ ARM11_DSCR_INTERRUPTS_DISABLE = 1 << 11,
+ ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE = 1 << 13,
+ ARM11_DSCR_MODE_SELECT = 1 << 14,
+ ARM11_DSCR_WDTR_FULL = 1 << 29,
+ ARM11_DSCR_RDTR_FULL = 1 << 30,
};
enum arm11_cpsr
/* internals */
-void arm11_setup_field (arm11_common_t * arm11, int num_bits, void * in_data, void * out_data, scan_field_t * field);
-void arm11_add_IR (arm11_common_t * arm11, u8 instr, enum tap_state state);
-void arm11_add_debug_SCAN_N (arm11_common_t * arm11, u8 chain, enum tap_state state);
-void arm11_add_debug_INST (arm11_common_t * arm11, u32 inst, u8 * flag, enum tap_state state);
-u32 arm11_read_DSCR (arm11_common_t * arm11);
-void arm11_write_DSCR (arm11_common_t * arm11, u32 dscr);
+void arm11_setup_field (arm11_common_t * arm11, int num_bits, void * in_data, void * out_data, scan_field_t * field);
+void arm11_add_IR (arm11_common_t * arm11, u8 instr, tap_state_t state);
+void arm11_add_debug_SCAN_N (arm11_common_t * arm11, u8 chain, tap_state_t state);
+void arm11_add_debug_INST (arm11_common_t * arm11, u32 inst, u8 * flag, tap_state_t state);
+int arm11_read_DSCR (arm11_common_t * arm11, u32 *dscr);
+int arm11_write_DSCR (arm11_common_t * arm11, u32 dscr);
enum target_debug_reason arm11_get_DSCR_debug_reason(u32 dscr);
-void arm11_run_instr_data_prepare (arm11_common_t * arm11);
-void arm11_run_instr_data_finish (arm11_common_t * arm11);
-void arm11_run_instr_no_data (arm11_common_t * arm11, u32 * opcode, size_t count);
-void arm11_run_instr_no_data1 (arm11_common_t * arm11, u32 opcode);
-void arm11_run_instr_data_to_core (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count);
-void arm11_run_instr_data_to_core_noack (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count);
-void arm11_run_instr_data_to_core1 (arm11_common_t * arm11, u32 opcode, u32 data);
-void arm11_run_instr_data_from_core (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count);
+void arm11_run_instr_data_prepare (arm11_common_t * arm11);
+void arm11_run_instr_data_finish (arm11_common_t * arm11);
+int arm11_run_instr_no_data (arm11_common_t * arm11, u32 * opcode, size_t count);
+void arm11_run_instr_no_data1 (arm11_common_t * arm11, u32 opcode);
+int arm11_run_instr_data_to_core (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count);
+int arm11_run_instr_data_to_core_noack (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count);
+int arm11_run_instr_data_to_core1 (arm11_common_t * arm11, u32 opcode, u32 data);
+int arm11_run_instr_data_from_core (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count);
void arm11_run_instr_data_from_core_via_r0 (arm11_common_t * arm11, u32 opcode, u32 * data);
void arm11_run_instr_data_to_core_via_r0 (arm11_common_t * arm11, u32 opcode, u32 data);
-int arm11_add_dr_scan_vc(int num_fields, scan_field_t *fields, enum tap_state state);
-int arm11_add_ir_scan_vc(int num_fields, scan_field_t *fields, enum tap_state state);
+int arm11_add_dr_scan_vc(int num_fields, scan_field_t *fields, tap_state_t state);
+int arm11_add_ir_scan_vc(int num_fields, scan_field_t *fields, tap_state_t state);
/** Used to make a list of read/write commands for scan chain 7
*
typedef struct arm11_sc7_action_s
{
bool write; /**< Access mode: true for write, false for read. */
- u8 address; /**< Register address mode. Use enum #arm11_sc7 */
+ u8 address; /**< Register address mode. Use enum #arm11_sc7 */
u32 value; /**< If write then set this to value to be written.
- In read mode this receives the read value when the
- function returns. */
+ In read mode this receives the read value when the
+ function returns. */
} arm11_sc7_action_t;
-void arm11_sc7_run(arm11_common_t * arm11, arm11_sc7_action_t * actions, size_t count);
+int arm11_sc7_run(arm11_common_t * arm11, arm11_sc7_action_t * actions, size_t count);
/* Mid-level helper functions */
void arm11_sc7_clear_vbw(arm11_common_t * arm11);
void arm11_sc7_set_vcr(arm11_common_t * arm11, u32 value);
-void arm11_read_memory_word(arm11_common_t * arm11, u32 address, u32 * result);
+int arm11_read_memory_word(arm11_common_t * arm11, u32 address, u32 * result);
#endif /* ARM11_H */
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