X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Fembeddedice.c;h=016883086c835c94c1bc3e8c72ba5500fcdf1aa1;hp=965260ca3f065060233b38ebd3cc8b91948debaa;hb=refs%2Fchanges%2F26%2F1426%2F4;hpb=4333840ee3d6d79299bf90b719a3c1628c688690 diff --git a/src/target/embeddedice.c b/src/target/embeddedice.c index 965260ca3f..016883086c 100644 --- a/src/target/embeddedice.c +++ b/src/target/embeddedice.c @@ -21,8 +21,9 @@ * 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., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * ***************************************************************************/ + #ifdef HAVE_CONFIG_H #include "config.h" #endif @@ -87,7 +88,7 @@ static const struct { .addr = 9, .width = 32, }, - [EICE_W0_DATA_VALUE ] = { + [EICE_W0_DATA_VALUE] = { .name = "watch_0_data_value", .addr = 10, .width = 32, @@ -145,14 +146,16 @@ static const struct { }, }; - static int embeddedice_get_reg(struct reg *reg) { - int retval; - - if ((retval = embeddedice_read_reg(reg)) != ERROR_OK) + int retval = embeddedice_read_reg(reg); + if (retval != ERROR_OK) { LOG_ERROR("error queueing EmbeddedICE register read"); - else if ((retval = jtag_execute_queue()) != ERROR_OK) + return retval; + } + + retval = jtag_execute_queue(); + if (retval != ERROR_OK) LOG_ERROR("EmbeddedICE register read failed"); return retval; @@ -168,8 +171,8 @@ static const struct reg_arch_type eice_reg_type = { * Different versions of the modules have different capabilities, such as * hardware support for vector_catch, single stepping, and monitor mode. */ -struct reg_cache * -embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9) +struct reg_cache *embeddedice_build_reg_cache(struct target *target, + struct arm7_9_common *arm7_9) { int retval; struct reg_cache *reg_cache = malloc(sizeof(struct reg_cache)); @@ -200,8 +203,7 @@ embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9) */ /* set up registers */ - for (i = 0; i < num_regs; i++) - { + for (i = 0; i < num_regs; i++) { reg_list[i].name = eice_regs[i].name; reg_list[i].size = eice_regs[i].width; reg_list[i].dirty = 0; @@ -215,12 +217,10 @@ embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9) /* identify EmbeddedICE version by reading DCC control register */ embeddedice_read_reg(®_list[EICE_COMMS_CTRL]); - if ((retval = jtag_execute_queue()) != ERROR_OK) - { + retval = jtag_execute_queue(); + if (retval != ERROR_OK) { for (i = 0; i < num_regs; i++) - { free(reg_list[i].value); - } free(reg_list); free(reg_cache); free(arch_info); @@ -230,8 +230,7 @@ embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9) eice_version = buf_get_u32(reg_list[EICE_COMMS_CTRL].value, 28, 4); LOG_INFO("Embedded ICE version %d", eice_version); - switch (eice_version) - { + switch (eice_version) { case 1: /* ARM7TDMI r3, ARM7TDMI-S r3 * @@ -290,7 +289,7 @@ embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9) * and do the appropriate setup itself. */ if (strcmp(target_type_name(target), "feroceon") == 0 || - strcmp(target_type_name(target), "dragonite") == 0) + strcmp(target_type_name(target), "dragonite") == 0) break; LOG_ERROR("unknown EmbeddedICE version " "(comms ctrl: 0x%8.8" PRIx32 ")", @@ -318,12 +317,12 @@ int embeddedice_setup(struct target *target) * that manages break requests. ARM's "Angel Debug Monitor" is one * common example of such code. */ - if (arm7_9->has_monitor_mode) - { + if (arm7_9->has_monitor_mode) { struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]; embeddedice_read_reg(dbg_ctrl); - if ((retval = jtag_execute_queue()) != ERROR_OK) + retval = jtag_execute_queue(); + if (retval != ERROR_OK) return retval; buf_set_u32(dbg_ctrl->value, 4, 1, 0); embeddedice_set_reg_w_exec(dbg_ctrl, dbg_ctrl->value); @@ -346,9 +345,12 @@ int embeddedice_read_reg_w_check(struct reg *reg, uint8_t field2_out[1]; int retval; - arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE); + retval = arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE); + if (retval != ERROR_OK) + return retval; - retval = arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE); + retval = arm_jtag_set_instr(ice_reg->jtag_info, + ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE); if (retval != ERROR_OK) return retval; @@ -410,7 +412,9 @@ int embeddedice_receive(struct arm_jtag *jtag_info, uint32_t *data, uint32_t siz uint8_t field2_out[1]; int retval; - arm_jtag_scann(jtag_info, 0x2, TAP_IDLE); + retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE); + if (retval != ERROR_OK) + return retval; retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE); if (retval != ERROR_OK) return retval; @@ -431,8 +435,7 @@ int embeddedice_receive(struct arm_jtag *jtag_info, uint32_t *data, uint32_t siz jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE); - while (size > 0) - { + while (size > 0) { /* when reading the last item, set the register address to the DCC control reg, * to avoid reading additional data from the DCC data reg */ @@ -482,7 +485,8 @@ static int embeddedice_set_reg_w_exec(struct reg *reg, uint8_t *buf) int retval; embeddedice_set_reg(reg, buf_get_u32(buf, 0, reg->size)); - if ((retval = jtag_execute_queue()) != ERROR_OK) + retval = jtag_execute_queue(); + if (retval != ERROR_OK) LOG_ERROR("register write failed"); return retval; } @@ -493,13 +497,12 @@ static int embeddedice_set_reg_w_exec(struct reg *reg, uint8_t *buf) void embeddedice_write_reg(struct reg *reg, uint32_t value) { struct embeddedice_reg *ice_reg = reg->arch_info; - int retval; LOG_DEBUG("%i: 0x%8.8" PRIx32 "", ice_reg->addr, value); arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE); - retval = arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE); + arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE); uint8_t reg_addr = ice_reg->addr & 0x1f; embeddedice_write_reg_inner(ice_reg->jtag_info->tap, reg_addr, value); @@ -530,7 +533,9 @@ int embeddedice_send(struct arm_jtag *jtag_info, uint32_t *data, uint32_t size) uint8_t field2_out[1]; int retval; - arm_jtag_scann(jtag_info, 0x2, TAP_IDLE); + retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE); + if (retval != ERROR_OK) + return retval; retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE); if (retval != ERROR_OK) return retval; @@ -550,8 +555,7 @@ int embeddedice_send(struct arm_jtag *jtag_info, uint32_t *data, uint32_t size) fields[2].in_value = NULL; - while (size > 0) - { + while (size > 0) { buf_set_u32(field0_out, 0, 32, *data); jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE); @@ -581,10 +585,14 @@ int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeou hsact = 1; else if (hsbit == EICE_COMM_CTRL_RBIT) hsact = 0; - else - return ERROR_INVALID_ARGUMENTS; + else { + LOG_ERROR("Invalid arguments"); + return ERROR_COMMAND_SYNTAX_ERROR; + } - arm_jtag_scann(jtag_info, 0x2, TAP_IDLE); + retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE); + if (retval != ERROR_OK) + return retval; retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE); if (retval != ERROR_OK) return retval; @@ -607,7 +615,8 @@ int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeou gettimeofday(&lap, NULL); do { jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE); - if ((retval = jtag_execute_queue()) != ERROR_OK) + retval = jtag_execute_queue(); + if (retval != ERROR_OK) return retval; if (buf_get_u32(field0_in, hsbit, 1) == hsact) @@ -617,6 +626,7 @@ int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeou } while ((uint32_t)((now.tv_sec - lap.tv_sec) * 1000 + (now.tv_usec - lap.tv_usec) / 1000) <= timeout); + LOG_ERROR("embeddedice handshake timeout"); return ERROR_TARGET_TIMEOUT; } @@ -625,12 +635,11 @@ int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeou * This is an inner loop of the open loop DCC write of data to target */ void embeddedice_write_dcc(struct jtag_tap *tap, - int reg_addr, uint8_t *buffer, int little, int count) + int reg_addr, const uint8_t *buffer, int little, int count) { int i; - for (i = 0; i < count; i++) - { + for (i = 0; i < count; i++) { embeddedice_write_reg_inner(tap, reg_addr, fast_target_buffer_get_u32(buffer, little)); buffer += 4;