diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/target/mips_ejtag.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/src/target/mips_ejtag.c b/src/target/mips_ejtag.c index 704aec2b..f9510494 100644 --- a/src/target/mips_ejtag.c +++ b/src/target/mips_ejtag.c @@ -52,12 +52,13 @@ void mips_ejtag_set_instr(struct mips_ejtag *ejtag_info, int new_instr) int mips_ejtag_get_idcode(struct mips_ejtag *ejtag_info, uint32_t *idcode) { struct scan_field field; + uint8_t r[4]; mips_ejtag_set_instr(ejtag_info, EJTAG_INST_IDCODE); field.num_bits = 32; field.out_value = NULL; - field.in_value = (void*)idcode; + field.in_value = r; jtag_add_dr_scan(ejtag_info->tap, 1, &field, TAP_IDLE); @@ -67,18 +68,22 @@ int mips_ejtag_get_idcode(struct mips_ejtag *ejtag_info, uint32_t *idcode) LOG_ERROR("register read failed"); return retval; } + + *idcode = buf_get_u32(field.in_value, 0, 32); + return ERROR_OK; } static int mips_ejtag_get_impcode(struct mips_ejtag *ejtag_info, uint32_t *impcode) { struct scan_field field; + uint8_t r[4]; mips_ejtag_set_instr(ejtag_info, EJTAG_INST_IMPCODE); field.num_bits = 32; field.out_value = NULL; - field.in_value = (void*)impcode; + field.in_value = r; jtag_add_dr_scan(ejtag_info->tap, 1, &field, TAP_IDLE); @@ -88,6 +93,9 @@ static int mips_ejtag_get_impcode(struct mips_ejtag *ejtag_info, uint32_t *impco LOG_ERROR("register read failed"); return retval; } + + *impcode = buf_get_u32(field.in_value, 0, 32); + return ERROR_OK; } @@ -334,6 +342,8 @@ int mips_ejtag_init(struct mips_ejtag *ejtag_info) int mips_ejtag_fastdata_scan(struct mips_ejtag *ejtag_info, int write_t, uint32_t *data) { struct jtag_tap *tap; + uint8_t r[4]; + tap = ejtag_info->tap; assert(tap != NULL); @@ -357,10 +367,16 @@ int mips_ejtag_fastdata_scan(struct mips_ejtag *ejtag_info, int write_t, uint32_ } else { - fields[1].in_value = (uint8_t *) data; + fields[1].in_value = r; } jtag_add_dr_scan(tap, 2, fields, TAP_IDLE); + + if (!write_t) + { + *data = buf_get_u32(fields[1].in_value, 0, 32); + } + keep_alive(); return ERROR_OK; |