src/target/arm11_dbgtap.h

   1 #ifndef ARM11_DBGTAP_H
   2 #define ARM11_DBGTAP_H
   3
   4 #include "arm11.h"
   5
   6 /* ARM11 internals */
   7
   8 void arm11_setup_field(struct arm11_common *arm11, int num_bits,
   9                 void *in_data, void *out_data, struct scan_field *field);
  10 void arm11_add_IR(struct arm11_common *arm11,
  11                 uint8_t instr, tap_state_t state);
  12 int arm11_add_debug_SCAN_N(struct arm11_common *arm11,
  13                 uint8_t chain, tap_state_t state);
  14 int arm11_read_DSCR(struct arm11_common *arm11);
  15 int arm11_write_DSCR(struct arm11_common *arm11, uint32_t dscr);
  16
  17 int arm11_run_instr_data_prepare(struct arm11_common *arm11);
  18 int arm11_run_instr_data_finish(struct arm11_common *arm11);
  19 int arm11_run_instr_no_data1(struct arm11_common *arm11, uint32_t opcode);
  20 int arm11_run_instr_data_to_core(struct arm11_common *arm11,
  21                 uint32_t opcode, uint32_t *data, size_t count);
  22 int arm11_run_instr_data_to_core_noack(struct arm11_common *arm11,
  23                 uint32_t opcode, uint32_t *data, size_t count);
  24 int arm11_run_instr_data_to_core1(struct arm11_common *arm11,
  25                 uint32_t opcode, uint32_t data);
  26 int arm11_run_instr_data_from_core(struct arm11_common *arm11,
  27                 uint32_t opcode, uint32_t *data, size_t count);
  28 int arm11_run_instr_data_from_core_via_r0(struct arm11_common *arm11,
  29                 uint32_t opcode, uint32_t *data);
  30 int arm11_run_instr_data_to_core_via_r0(struct arm11_common *arm11,
  31                 uint32_t opcode, uint32_t data);
  32
  33 void arm11_add_dr_scan_vc(int num_fields, struct scan_field *fields,
  34                 tap_state_t state);
  35
  36 /**
  37  * Used with arm11_sc7_run to make a list of read/write commands for
  38  * scan chain 7
  39  */
  40 struct arm11_sc7_action
  41 {
  42         bool write; /**< Access mode: true for write, false for read. */
  43         uint8_t address; /**< Register address mode. Use enum #arm11_sc7 */
  44         /**
  45          * If write then set this to value to be written.  In read mode
  46          * this receives the read value when the function returns.
  47          */
  48         uint32_t value;
  49 };
  50
  51 int arm11_sc7_run(struct arm11_common *arm11,
  52                 struct arm11_sc7_action *actions, size_t count);
  53
  54 /* Mid-level helper functions */
  55 void arm11_sc7_clear_vbw(struct arm11_common *arm11);
  56 void arm11_sc7_set_vcr(struct arm11_common *arm11, uint32_t value);
  57
  58 int arm11_read_memory_word(struct arm11_common *arm11,
  59                 uint32_t address, uint32_t *result);
  60
  61 int arm11_dpm_init(struct arm11_common *arm11, uint32_t didr);
  62 int arm11_bpwp_flush(struct arm11_common *arm11);
  63
  64 #endif // ARM11_DBGTAP_H