X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Farm_jtag.c;h=3a552eebad110cfbff1f21a7809c186589b439b6;hb=4cc359794420dbe0aedba38bde0ee4d871cdb354;hp=af626eca6b43531faa533d2eae1d563b0f8eac7f;hpb=a502676df7e6e99c29f207003ec02a128012d325;p=openocd.git diff --git a/src/target/arm_jtag.c b/src/target/arm_jtag.c index af626eca6b..3a552eebad 100644 --- a/src/target/arm_jtag.c +++ b/src/target/arm_jtag.c @@ -31,70 +31,58 @@ #define _ARM_JTAG_SCAN_N_CHECK_ #endif -int arm_jtag_set_instr(struct arm_jtag *jtag_info, uint32_t new_instr, void *no_verify_capture) +int arm_jtag_set_instr_inner(struct arm_jtag *jtag_info, uint32_t new_instr, void *no_verify_capture, tap_state_t end_state) { struct jtag_tap *tap; tap = jtag_info->tap; - if (tap == NULL) - return ERROR_FAIL; + struct scan_field field; + uint8_t t[4]; - if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr) + field.num_bits = tap->ir_length; + field.out_value = t; + buf_set_u32(t, 0, field.num_bits, new_instr); + field.in_value = NULL; + + if (no_verify_capture == NULL) + { + jtag_add_ir_scan(tap, &field, end_state); + } else { - struct scan_field field; - uint8_t t[4]; - - field.tap = tap; - field.num_bits = tap->ir_length; - field.out_value = t; - buf_set_u32(field.out_value, 0, field.num_bits, new_instr); - field.in_value = NULL; - - - - if (no_verify_capture == NULL) - { - jtag_add_ir_scan(1, &field, jtag_get_end_state()); - } else - { - /* FIX!!!! this is a kludge!!! arm926ejs.c should reimplement this arm_jtag_set_instr to - * have special verification code. - */ - jtag_add_ir_scan_noverify(1, &field, jtag_get_end_state()); - } + /* FIX!!!! this is a kludge!!! arm926ejs.c should reimplement this arm_jtag_set_instr to + * have special verification code. + */ + jtag_add_ir_scan_noverify(tap, &field, end_state); } return ERROR_OK; } -int arm_jtag_scann(struct arm_jtag *jtag_info, uint32_t new_scan_chain) +int arm_jtag_scann_inner(struct arm_jtag *jtag_info, uint32_t new_scan_chain, tap_state_t end_state) { int retval = ERROR_OK; - if (jtag_info->cur_scan_chain != new_scan_chain) - { - uint32_t values[1]; - int num_bits[1]; + uint32_t values[1]; + int num_bits[1]; - values[0]=new_scan_chain; - num_bits[0]=jtag_info->scann_size; + values[0]=new_scan_chain; + num_bits[0]=jtag_info->scann_size; - if ((retval = arm_jtag_set_instr(jtag_info, jtag_info->scann_instr, NULL)) != ERROR_OK) - { - return retval; - } + if ((retval = arm_jtag_set_instr(jtag_info, jtag_info->scann_instr, NULL, end_state)) != ERROR_OK) + { + return retval; + } - jtag_add_dr_out(jtag_info->tap, - 1, - num_bits, - values, - jtag_get_end_state()); + jtag_add_dr_out(jtag_info->tap, + 1, + num_bits, + values, + end_state); - jtag_info->cur_scan_chain = new_scan_chain; - } + jtag_info->cur_scan_chain = new_scan_chain; return retval; } -int arm_jtag_reset_callback(enum jtag_event event, void *priv) +static int arm_jtag_reset_callback(enum jtag_event event, void *priv) { struct arm_jtag *jtag_info = priv;