-#include "register.h"
-#include "target.h"
-#include "log.h"
-#include "etm.h"
-
-typedef enum armv4_5_mode
-{
- ARMV4_5_MODE_USR = 16,
- ARMV4_5_MODE_FIQ = 17,
- ARMV4_5_MODE_IRQ = 18,
- ARMV4_5_MODE_SVC = 19,
- ARMV4_5_MODE_ABT = 23,
- ARMV4_5_MODE_UND = 27,
- ARMV4_5_MODE_SYS = 31,
- ARMV4_5_MODE_ANY = -1
-} armv4_5_mode_t;
-
-extern char** armv4_5_mode_strings;
-
-typedef enum armv4_5_state
-{
- ARMV4_5_STATE_ARM,
- ARMV4_5_STATE_THUMB,
- ARMV4_5_STATE_JAZELLE,
-} armv4_5_state_t;
-
-extern char* armv4_5_state_strings[];
-
-extern int armv4_5_core_reg_map[7][17];
-
-#define ARMV4_5_CORE_REG_MODE(cache, mode, num) \
- cache->reg_list[armv4_5_core_reg_map[armv4_5_mode_to_number(mode)][num]]
-#define ARMV4_5_CORE_REG_MODENUM(cache, mode, num) \
- cache->reg_list[armv4_5_core_reg_map[mode][num]]
-
-/* offsets into armv4_5 core register cache */
-enum
-{
- ARMV4_5_CPSR = 31,
- ARMV4_5_SPSR_FIQ = 32,
- ARMV4_5_SPSR_IRQ = 33,
- ARMV4_5_SPSR_SVC = 34,
- ARMV4_5_SPSR_ABT = 35,
- ARMV4_5_SPSR_UND = 36
-};
-
-#define ARMV4_5_COMMON_MAGIC 0x0A450A45
-
-/* NOTE: this is being morphed into a generic toplevel holder for ARMs. */
-#define armv4_5_common_s arm
-
-/**
- * Represents a generic ARM core, with standard application registers.
- *
- * There are sixteen application registers (including PC, SP, LR) and a PSR.
- * Cortex-M series cores do not support as many core states or shadowed
- * registers as traditional ARM cores, and only support Thumb2 instructions.
- */
-typedef struct arm
-{
- int common_magic;
- reg_cache_t *core_cache;
-
- int /* armv4_5_mode */ core_mode;
- enum armv4_5_state core_state;
-
- /** Flag reporting unavailability of the BKPT instruction. */
- bool is_armv4;
-
- /** Handle for the Embedded Trace Module, if one is present. */
- struct etm *etm;
-
- int (*full_context)(struct target_s *target);
- int (*read_core_reg)(struct target_s *target,
- int num, enum armv4_5_mode mode);
- int (*write_core_reg)(struct target_s *target,
- int num, enum armv4_5_mode mode, uint32_t value);
- void *arch_info;
-} armv4_5_common_t;
-
-#define target_to_armv4_5 target_to_arm
-
-/** Convert target handle to generic ARM target state handle. */
-static inline struct arm *target_to_arm(struct target_s *target)
-{
- return target->arch_info;
-}
-
-static inline bool is_arm(struct arm *arm)
-{
- return arm && arm->common_magic == ARMV4_5_COMMON_MAGIC;
-}
-
-typedef struct armv4_5_algorithm_s
-{
- int common_magic;
-
- enum armv4_5_mode core_mode;
- enum armv4_5_state core_state;
-} armv4_5_algorithm_t;
-
-typedef struct armv4_5_core_reg_s
-{
- int num;
- enum armv4_5_mode mode;
- target_t *target;
- armv4_5_common_t *armv4_5_common;
-} armv4_5_core_reg_t;
-
-reg_cache_t* armv4_5_build_reg_cache(target_t *target,
- armv4_5_common_t *armv4_5_common);
-
-/* map psr mode bits to linear number */
-static __inline int armv4_5_mode_to_number(enum armv4_5_mode mode)
-{
- switch (mode)
- {
- case ARMV4_5_MODE_USR: return 0; break;
- case ARMV4_5_MODE_FIQ: return 1; break;
- case ARMV4_5_MODE_IRQ: return 2; break;
- case ARMV4_5_MODE_SVC: return 3; break;
- case ARMV4_5_MODE_ABT: return 4; break;
- case ARMV4_5_MODE_UND: return 5; break;
- case ARMV4_5_MODE_SYS: return 6; break;
- case ARMV4_5_MODE_ANY: return 0; break; /* map MODE_ANY to user mode */
- default:
- LOG_ERROR("invalid mode value encountered %d", mode);
- return -1;
- }
-}
-
-/* map linear number to mode bits */
-static __inline enum armv4_5_mode armv4_5_number_to_mode(int number)
-{
- switch (number)
- {
- case 0: return ARMV4_5_MODE_USR; break;
- case 1: return ARMV4_5_MODE_FIQ; break;
- case 2: return ARMV4_5_MODE_IRQ; break;
- case 3: return ARMV4_5_MODE_SVC; break;
- case 4: return ARMV4_5_MODE_ABT; break;
- case 5: return ARMV4_5_MODE_UND; break;
- case 6: return ARMV4_5_MODE_SYS; break;
- default:
- LOG_ERROR("mode index out of bounds %d", number);
- return ARMV4_5_MODE_ANY;
- }
-};
-
-int armv4_5_arch_state(struct target_s *target);
-int armv4_5_get_gdb_reg_list(target_t *target,
- reg_t **reg_list[], int *reg_list_size);
-
-int armv4_5_register_commands(struct command_context_s *cmd_ctx);
-int armv4_5_init_arch_info(target_t *target, armv4_5_common_t *armv4_5);
-
-int armv4_5_run_algorithm(struct target_s *target,
- int num_mem_params, struct mem_param *mem_params,
- int num_reg_params, struct reg_param *reg_params,
- uint32_t entry_point, uint32_t exit_point,
- int timeout_ms, void *arch_info);
-
-int armv4_5_invalidate_core_regs(target_t *target);
-
-/* ARM mode instructions
- */
-
-/* Store multiple increment after
- * Rn: base register
- * List: for each bit in list: store register
- * S: in priviledged mode: store user-mode registers
- * W = 1: update the base register. W = 0: leave the base register untouched
- */
-#define ARMV4_5_STMIA(Rn, List, S, W) (0xe8800000 | ((S) << 22) | ((W) << 21) | ((Rn) << 16) | (List))
-
-/* Load multiple increment after
- * Rn: base register
- * List: for each bit in list: store register
- * S: in priviledged mode: store user-mode registers
- * W = 1: update the base register. W = 0: leave the base register untouched
- */
-#define ARMV4_5_LDMIA(Rn, List, S, W) (0xe8900000 | ((S) << 22) | ((W) << 21) | ((Rn) << 16) | (List))
-
-/* MOV r8, r8 */
-#define ARMV4_5_NOP (0xe1a08008)
-
-/* Move PSR to general purpose register
- * R = 1: SPSR R = 0: CPSR
- * Rn: target register
- */
-#define ARMV4_5_MRS(Rn, R) (0xe10f0000 | ((R) << 22) | ((Rn) << 12))
-
-/* Store register
- * Rd: register to store
- * Rn: base register
- */
-#define ARMV4_5_STR(Rd, Rn) (0xe5800000 | ((Rd) << 12) | ((Rn) << 16))
-
-/* Load register
- * Rd: register to load
- * Rn: base register
- */
-#define ARMV4_5_LDR(Rd, Rn) (0xe5900000 | ((Rd) << 12) | ((Rn) << 16))
-
-/* Move general purpose register to PSR
- * R = 1: SPSR R = 0: CPSR
- * Field: Field mask
- * 1: control field 2: extension field 4: status field 8: flags field
- * Rm: source register
- */
-#define ARMV4_5_MSR_GP(Rm, Field, R) (0xe120f000 | (Rm) | ((Field) << 16) | ((R) << 22))
-#define ARMV4_5_MSR_IM(Im, Rotate, Field, R) (0xe320f000 | (Im) | ((Rotate) << 8) | ((Field) << 16) | ((R) << 22))
-
-/* Load Register Halfword Immediate Post-Index
- * Rd: register to load
- * Rn: base register
- */
-#define ARMV4_5_LDRH_IP(Rd, Rn) (0xe0d000b2 | ((Rd) << 12) | ((Rn) << 16))
-
-/* Load Register Byte Immediate Post-Index
- * Rd: register to load
- * Rn: base register
- */
-#define ARMV4_5_LDRB_IP(Rd, Rn) (0xe4d00001 | ((Rd) << 12) | ((Rn) << 16))
-
-/* Store register Halfword Immediate Post-Index
- * Rd: register to store
- * Rn: base register
- */
-#define ARMV4_5_STRH_IP(Rd, Rn) (0xe0c000b2 | ((Rd) << 12) | ((Rn) << 16))
-
-/* Store register Byte Immediate Post-Index
- * Rd: register to store
- * Rn: base register
- */
-#define ARMV4_5_STRB_IP(Rd, Rn) (0xe4c00001 | ((Rd) << 12) | ((Rn) << 16))
-
-/* Branch (and Link)
- * Im: Branch target (left-shifted by 2 bits, added to PC)
- * L: 1: branch and link 0: branch only