src/target/arm11_dbgtap.h

   1 #ifndef ARM11_DBGTAP_H
   2 #define ARM11_DBGTAP_H
   3
   4 #include <target/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 enum target_debug_reason arm11_get_DSCR_debug_reason(uint32_t dscr);
  18
  19 int arm11_run_instr_data_prepare(struct arm11_common *arm11);
  20 int arm11_run_instr_data_finish(struct arm11_common *arm11);
  21 int arm11_run_instr_no_data1(struct arm11_common *arm11, uint32_t opcode);
  22 int arm11_run_instr_data_to_core(struct arm11_common *arm11,
  23                 uint32_t opcode, uint32_t *data, size_t count);
  24 int arm11_run_instr_data_to_core_noack(struct arm11_common *arm11,
  25                 uint32_t opcode, uint32_t *data, size_t count);
  26 int arm11_run_instr_data_to_core1(struct arm11_common *arm11,
  27                 uint32_t opcode, uint32_t data);
  28 int arm11_run_instr_data_from_core(struct arm11_common *arm11,
  29                 uint32_t opcode, uint32_t *data, size_t count);
  30 int arm11_run_instr_data_from_core_via_r0(struct arm11_common *arm11,
  31                 uint32_t opcode, uint32_t *data);
  32 int arm11_run_instr_data_to_core_via_r0(struct arm11_common *arm11,
  33                 uint32_t opcode, uint32_t data);
  34
  35 int arm11_add_dr_scan_vc(int num_fields, struct scan_field *fields,
  36                 tap_state_t state);
  37
  38 /**
  39  * Used with arm11_sc7_run to make a list of read/write commands for
  40  * scan chain 7
  41  */
  42 struct arm11_sc7_action
  43 {
  44         bool write; /**< Access mode: true for write, false for read. */
  45         uint8_t address; /**< Register address mode. Use enum #arm11_sc7 */
  46         /**
  47          * If write then set this to value to be written.  In read mode
  48          * this receives the read value when the function returns.
  49          */
  50         uint32_t value;
  51 };
  52
  53 int arm11_sc7_run(struct arm11_common *arm11,
  54                 struct arm11_sc7_action *actions, size_t count);
  55
  56 /* Mid-level helper functions */
  57 void arm11_sc7_clear_vbw(struct arm11_common *arm11);
  58 void arm11_sc7_set_vcr(struct arm11_common *arm11, uint32_t value);
  59
  60 int arm11_read_memory_word(struct arm11_common *arm11,
  61                 uint32_t address, uint32_t *result);
  62
  63 int arm11_dpm_init(struct arm11_common *arm11, uint32_t didr);
  64
  65 #endif // ARM11_DBGTAP_H