X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Fmips_ejtag.c;h=943a868225cadb5a08386b7155b471c98e4fd6e2;hp=f6cd4510e4e2371c8621073ad5b63654083bf1e1;hb=c8b31aaa155be4361c090b369bc73f0f87751154;hpb=91bfd9dbf2edef5373278ecf0d520dd0430de8d1 diff --git a/src/target/mips_ejtag.c b/src/target/mips_ejtag.c index f6cd4510e4..943a868225 100644 --- a/src/target/mips_ejtag.c +++ b/src/target/mips_ejtag.c @@ -17,9 +17,7 @@ * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * + * along with this program. If not, see . * ***************************************************************************/ #ifdef HAVE_CONFIG_H @@ -30,20 +28,20 @@ #include "mips_ejtag.h" #include "mips32_dmaacc.h" -void mips_ejtag_set_instr(struct mips_ejtag *ejtag_info, int new_instr) +void mips_ejtag_set_instr(struct mips_ejtag *ejtag_info, uint32_t new_instr) { - struct jtag_tap *tap; + assert(ejtag_info->tap != NULL); + struct jtag_tap *tap = ejtag_info->tap; - tap = ejtag_info->tap; - assert(tap != NULL); + if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr) { - if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != (uint32_t)new_instr) { struct scan_field field; - uint8_t t[4]; - field.num_bits = tap->ir_length; + + uint8_t t[4]; field.out_value = t; buf_set_u32(t, 0, field.num_bits, new_instr); + field.in_value = NULL; jtag_add_ir_scan(tap, &field, TAP_IDLE); @@ -123,91 +121,73 @@ void mips_ejtag_add_scan_96(struct mips_ejtag *ejtag_info, uint32_t ctrl, uint32 keep_alive(); } -int mips_ejtag_drscan_32(struct mips_ejtag *ejtag_info, uint32_t *data) +void mips_ejtag_drscan_32_queued(struct mips_ejtag *ejtag_info, uint32_t data_out, uint8_t *data_in) { - struct jtag_tap *tap; - tap = ejtag_info->tap; - assert(tap != NULL); + assert(ejtag_info->tap != NULL); + struct jtag_tap *tap = ejtag_info->tap; struct scan_field field; - uint8_t t[4], r[4]; - int retval; - field.num_bits = 32; - field.out_value = t; - buf_set_u32(t, 0, field.num_bits, *data); - field.in_value = r; + uint8_t scan_out[4]; + field.out_value = scan_out; + buf_set_u32(scan_out, 0, field.num_bits, data_out); + + field.in_value = data_in; jtag_add_dr_scan(tap, 1, &field, TAP_IDLE); - retval = jtag_execute_queue(); + keep_alive(); +} + +int mips_ejtag_drscan_32(struct mips_ejtag *ejtag_info, uint32_t *data) +{ + uint8_t scan_in[4]; + mips_ejtag_drscan_32_queued(ejtag_info, *data, scan_in); + + int retval = jtag_execute_queue(); if (retval != ERROR_OK) { LOG_ERROR("register read failed"); return retval; } - *data = buf_get_u32(field.in_value, 0, 32); - - keep_alive(); - + *data = buf_get_u32(scan_in, 0, 32); return ERROR_OK; } void mips_ejtag_drscan_32_out(struct mips_ejtag *ejtag_info, uint32_t data) { - uint8_t t[4]; - struct jtag_tap *tap; - tap = ejtag_info->tap; - assert(tap != NULL); - - struct scan_field field; - - field.num_bits = 32; - field.out_value = t; - buf_set_u32(t, 0, field.num_bits, data); - - field.in_value = NULL; - - jtag_add_dr_scan(tap, 1, &field, TAP_IDLE); + mips_ejtag_drscan_32_queued(ejtag_info, data, NULL); } -int mips_ejtag_drscan_8(struct mips_ejtag *ejtag_info, uint32_t *data) +int mips_ejtag_drscan_8(struct mips_ejtag *ejtag_info, uint8_t *data) { - struct jtag_tap *tap; - tap = ejtag_info->tap; - assert(tap != NULL); + assert(ejtag_info->tap != NULL); + struct jtag_tap *tap = ejtag_info->tap; struct scan_field field; - uint8_t t[4] = {0, 0, 0, 0}, r[4]; - int retval; - field.num_bits = 8; - field.out_value = t; - buf_set_u32(t, 0, field.num_bits, *data); - field.in_value = r; + + field.out_value = data; + field.in_value = data; jtag_add_dr_scan(tap, 1, &field, TAP_IDLE); - retval = jtag_execute_queue(); + int retval = jtag_execute_queue(); if (retval != ERROR_OK) { LOG_ERROR("register read failed"); return retval; } - - *data = buf_get_u32(field.in_value, 0, 32); - return ERROR_OK; } void mips_ejtag_drscan_8_out(struct mips_ejtag *ejtag_info, uint8_t data) { - struct jtag_tap *tap; - tap = ejtag_info->tap; - assert(tap != NULL); + assert(ejtag_info->tap != NULL); + struct jtag_tap *tap = ejtag_info->tap; struct scan_field field; - field.num_bits = 8; + field.out_value = &data; field.in_value = NULL; @@ -292,8 +272,8 @@ error: int mips_ejtag_exit_debug(struct mips_ejtag *ejtag_info) { - uint32_t pracc_list[] = {MIPS32_DRET, 0}; - struct pracc_queue_info ctx = {.max_code = 1, .pracc_list = pracc_list, .code_count = 1, .store_count = 0}; + pa_list pracc_list = {.instr = MIPS32_DRET, .addr = 0}; + struct pracc_queue_info ctx = {.max_code = 1, .pracc_list = &pracc_list, .code_count = 1, .store_count = 0}; /* execute our dret instruction */ ctx.retval = mips32_pracc_queue_exec(ejtag_info, &ctx, NULL); @@ -352,9 +332,9 @@ static void ejtag_v20_print_imp(struct mips_ejtag *ejtag_info) EJTAG_IMP_HAS(EJTAG_V20_IMP_NOPB) ? " noPB" : " PB", EJTAG_IMP_HAS(EJTAG_V20_IMP_NODB) ? " noDB" : " DB", EJTAG_IMP_HAS(EJTAG_V20_IMP_NOIB) ? " noIB" : " IB"); - LOG_DEBUG("EJTAG v2.0: Break Channels: %i", - (ejtag_info->impcode >> EJTAG_V20_IMP_BCHANNELS_SHIFT) & - EJTAG_V20_IMP_BCHANNELS_MASK); + LOG_DEBUG("EJTAG v2.0: Break Channels: %" PRIu8, + (uint8_t)((ejtag_info->impcode >> EJTAG_V20_IMP_BCHANNELS_SHIFT) & + EJTAG_V20_IMP_BCHANNELS_MASK)); } static void ejtag_v26_print_imp(struct mips_ejtag *ejtag_info) @@ -446,22 +426,22 @@ 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; - - tap = ejtag_info->tap; - assert(tap != NULL); + assert(ejtag_info->tap != NULL); + struct jtag_tap *tap = ejtag_info->tap; struct scan_field fields[2]; - uint8_t spracc = 0; - uint8_t t[4] = {0, 0, 0, 0}; /* fastdata 1-bit register */ fields[0].num_bits = 1; + + uint8_t spracc = 0; fields[0].out_value = &spracc; fields[0].in_value = NULL; /* processor access data register 32 bit */ fields[1].num_bits = 32; + + uint8_t t[4] = {0, 0, 0, 0}; fields[1].out_value = t; if (write_t) {