/***************************************************************************
* Copyright (C) 2008 digenius technology GmbH. *
+ * Michael Bruck *
+ * *
+ * Copyright (C) 2008 Georg Acher <acher@in.tum.de> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
#include "target.h"
#include "register.h"
-#include "embeddedice.h"
-#include "arm_jtag.h"
-#include <stdbool.h>
-
+#include "jtag.h"
#define asizeof(x) (sizeof(x) / sizeof((x)[0]))
#define NEW(type, variable, items) \
- type * variable = calloc(1, sizeof(type) * items)
-
+ type * variable = calloc(1, sizeof(type) * items)
-/* Don't know exactly when %zu was added to glibc (CVS says in 1998).
- Assume for now that its between GCC versions 3.x.x and 4.x.x .
- MinGW's GCC 3.4.5 comes with a glibc that doesn't support it.
-*/
+/* For MinGW use 'I' prefix to print size_t (instead of 'z') */
+/* Except if __USE_MINGW_ANSI_STDIO is defined with MinGW */
-#if __GNUC__ > 3
+#if (!defined(__MSVCRT__) || defined(__USE_MINGW_ANSI_STDIO))
#define ZU "%zu"
#else
-#define ZU "%u"
+#define ZU "%Iu"
#endif
-
#define ARM11_REGCACHE_MODEREGS 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
+
+
+#define CHECK_RETVAL(action) \
+do { \
+ int __retval = (action); \
+ \
+ if (__retval != ERROR_OK) \
+ { \
+ LOG_DEBUG("error while calling \"" # action "\""); \
+ return __retval; \
+ } \
+ \
+} while (0)
-typedef struct arm11_register_history_s
+
+struct arm11_register_history
{
- u32 value;
- u8 valid;
-}arm11_register_history_t;
+ uint32_t value;
+ uint8_t valid;
+};
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
+struct arm11_common
{
- target_t * target;
-
- arm_jtag_t jtag_info;
+ target_t * target; /**< Reference back to the owner */
- /** \name Processor type detection */
- /*@{*/
+ /** \name Processor type detection */
+ /*@{*/
- u32 device_id; /**< IDCODE readout */
- u32 didr; /**< DIDR readout (debug capabilities) */
- u8 implementor; /**< DIDR Implementor readout */
+ uint32_t device_id; /**< IDCODE readout */
+ uint32_t didr; /**< DIDR readout (debug capabilities) */
+ uint8_t implementor; /**< DIDR Implementor readout */
- size_t brp; /**< Number of Breakpoint Register Pairs from DIDR */
- size_t wrp; /**< Number of Watchpoint Register Pairs from DIDR */
+ size_t brp; /**< Number of Breakpoint Register Pairs from DIDR */
+ size_t wrp; /**< Number of Watchpoint Register Pairs from DIDR */
- enum arm11_debug_version
- debug_version; /**< ARM debug architecture from DIDR */
- /*@}*/
+ enum arm11_debug_version
+ debug_version; /**< ARM debug architecture from DIDR */
+ /*@}*/
+ uint32_t last_dscr; /**< Last retrieved DSCR value;
+ Use only for debug message generation */
- u32 last_dscr; /**< Last retrieved DSCR value;
- * Can be used to detect changes */
+ bool simulate_reset_on_next_halt; /**< Perform cleanups of the ARM state on next halt */
- bool trst_active;
- bool halt_requested;
- bool simulate_reset_on_next_halt;
+ /** \name Shadow registers to save processor state */
+ /*@{*/
- /** \name Shadow registers to save processor state */
- /*@{*/
+ struct reg * reg_list; /**< target register list */
+ uint32_t reg_values[ARM11_REGCACHE_COUNT]; /**< data for registers */
- reg_t * reg_list; /**< target register list */
- u32 reg_values[ARM11_REGCACHE_COUNT]; /**< data for registers */
+ /*@}*/
- /*@}*/
-
- arm11_register_history_t
+ struct arm11_register_history
reg_history[ARM11_REGCACHE_COUNT]; /**< register state before last resume */
+ size_t free_brps; /**< keep track of breakpoints allocated by arm11_add_breakpoint() */
+ size_t free_wrps; /**< keep track of breakpoints allocated by arm11_add_watchpoint() */
- size_t free_brps; /**< keep track of breakpoints allocated by arm11_add_breakpoint() */
- size_t free_wrps; /**< keep track of breakpoints allocated by arm11_add_watchpoint() */
-
-} arm11_common_t;
+ // GA
+ struct reg_cache *core_cache;
+};
/**
- * ARM11 DBGTAP instructions
- *
+ * ARM11 DBGTAP instructions
+ *
* http://infocenter.arm.com/help/topic/com.arm.doc.ddi0301f/I1006229.html
*/
enum arm11_instructions
{
- ARM11_EXTEST = 0x00,
- ARM11_SCAN_N = 0x02,
- ARM11_RESTART = 0x04,
- ARM11_HALT = 0x08,
- ARM11_INTEST = 0x0C,
- ARM11_ITRSEL = 0x1D,
- ARM11_IDCODE = 0x1E,
- ARM11_BYPASS = 0x1F,
+ ARM11_EXTEST = 0x00,
+ ARM11_SCAN_N = 0x02,
+ ARM11_RESTART = 0x04,
+ ARM11_HALT = 0x08,
+ ARM11_INTEST = 0x0C,
+ ARM11_ITRSEL = 0x1D,
+ ARM11_IDCODE = 0x1E,
+ ARM11_BYPASS = 0x1F,
};
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
{
- ARM11_CPSR_T = 1 << 5,
- ARM11_CPSR_J = 1 << 24,
+ ARM11_CPSR_T = 1 << 5,
+ ARM11_CPSR_J = 1 << 24,
};
enum arm11_sc7
{
- ARM11_SC7_NULL = 0,
- ARM11_SC7_VCR = 7,
- ARM11_SC7_PC = 8,
- ARM11_SC7_BVR0 = 64,
- ARM11_SC7_BCR0 = 80,
- ARM11_SC7_WVR0 = 96,
- ARM11_SC7_WCR0 = 112,
+ ARM11_SC7_NULL = 0,
+ ARM11_SC7_VCR = 7,
+ ARM11_SC7_PC = 8,
+ ARM11_SC7_BVR0 = 64,
+ ARM11_SC7_BCR0 = 80,
+ ARM11_SC7_WVR0 = 96,
+ ARM11_SC7_WCR0 = 112,
};
-
-
-typedef struct arm11_reg_state_s
+struct arm11_reg_state
{
- u32 def_index;
- target_t * target;
-} arm11_reg_state_t;
-
-
-
-
-/* poll current target status */
-int arm11_poll(struct target_s *target);
-/* architecture specific status reply */
-int arm11_arch_state(struct target_s *target);
-
-/* target request support */
-int arm11_target_request_data(struct target_s *target, u32 size, u8 *buffer);
-
-/* target execution control */
-int arm11_halt(struct target_s *target);
-int arm11_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution);
-int arm11_step(struct target_s *target, int current, u32 address, int handle_breakpoints);
-
-/* target reset control */
-int arm11_assert_reset(struct target_s *target);
-int arm11_deassert_reset(struct target_s *target);
-int arm11_soft_reset_halt(struct target_s *target);
-int arm11_prepare_reset_halt(struct target_s *target);
-
-/* target register access for gdb */
-int arm11_get_gdb_reg_list(struct target_s *target, struct reg_s **reg_list[], int *reg_list_size);
-
-/* target memory access
-* size: 1 = byte (8bit), 2 = half-word (16bit), 4 = word (32bit)
-* count: number of items of <size>
-*/
-int arm11_read_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
-int arm11_write_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
-
-/* write target memory in multiples of 4 byte, optimized for writing large quantities of data */
-int arm11_bulk_write_memory(struct target_s *target, u32 address, u32 count, u8 *buffer);
-
-int arm11_checksum_memory(struct target_s *target, u32 address, u32 count, u32* checksum);
-
-/* target break-/watchpoint control
-* rw: 0 = write, 1 = read, 2 = access
-*/
-int arm11_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint);
-int arm11_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint);
-int arm11_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint);
-int arm11_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint);
-
-/* target algorithm support */
-int arm11_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info);
+ uint32_t def_index;
+ target_t * target;
+};
int arm11_register_commands(struct command_context_s *cmd_ctx);
-int arm11_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target);
-int arm11_init_target(struct command_context_s *cmd_ctx, struct target_s *target);
-int arm11_quit(void);
-
-
-/* helpers */
-void arm11_build_reg_cache(target_t *target);
-
-void arm11_record_register_history(arm11_common_t * arm11);
-void arm11_dump_reg_changes(arm11_common_t * arm11);
-
-
-/* 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);
-
-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_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);
-
-
-/** Used to make a list of read/write commands for scan chain 7
- *
- * Use with arm11_sc7_run()
- */
-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 */
- u32 value; /**< If write then set this to value to be written.
- 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);
-
-/* 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_etm(struct arm11_common * arm11, uint8_t address, uint32_t *value);
+int arm11_write_etm(struct arm11_common * arm11, uint8_t address, uint32_t value);
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