/*
* Relevant specifications from ARM include:
*
- * ARM(tm) Debug Interface v5 Architecture Specification ARM IHI 0031A
+ * ARM(tm) Debug Interface v5 Architecture Specification ARM IHI 0031E
* CoreSight(tm) v1.0 Architecture Specification ARM IHI 0029B
*
* CoreSight(tm) DAP-Lite TRM, ARM DDI 0316D
#include "jtag/interface.h"
#include "arm.h"
#include "arm_adi_v5.h"
+#include "jtag/swd.h"
+#include "transport/transport.h"
#include <helper/jep106.h>
#include <helper/time_support.h>
#include <helper/list.h>
+#include <helper/jim-nvp.h>
/* ARM ADI Specification requires at least 10 bits used for TAR autoincrement */
static int mem_ap_setup_csw(struct adiv5_ap *ap, uint32_t csw)
{
- csw = csw | CSW_DBGSWENABLE | CSW_MASTER_DEBUG | CSW_HPROT |
- ap->csw_default;
+ csw |= ap->csw_default;
if (csw != ap->csw_value) {
/* LOG_DEBUG("DAP: Set CSW %x",csw); */
int retval = dap_queue_ap_write(ap, MEM_AP_REG_CSW, csw);
- if (retval != ERROR_OK)
+ if (retval != ERROR_OK) {
+ ap->csw_value = 0;
return retval;
+ }
ap->csw_value = csw;
}
return ERROR_OK;
if (!ap->tar_valid || tar != ap->tar_value) {
/* LOG_DEBUG("DAP: Set TAR %x",tar); */
int retval = dap_queue_ap_write(ap, MEM_AP_REG_TAR, tar);
- if (retval != ERROR_OK)
+ if (retval != ERROR_OK) {
+ ap->tar_valid = false;
return retval;
+ }
ap->tar_value = tar;
ap->tar_valid = true;
}
return 2;
case CSW_32BIT:
return 4;
+ default:
+ return 0;
}
case CSW_ADDRINC_PACKED:
return 4;
#define DAP_POWER_DOMAIN_TIMEOUT (10)
-/* FIXME don't import ... just initialize as
- * part of DAP transport setup
-*/
-extern const struct dap_ops jtag_dp_ops;
-
/*--------------------------------------------------------------------------*/
-/**
- * Create a new DAP
- */
-struct adiv5_dap *dap_init(void)
-{
- struct adiv5_dap *dap = calloc(1, sizeof(struct adiv5_dap));
- int i;
- /* Set up with safe defaults */
- for (i = 0; i <= 255; i++) {
- dap->ap[i].dap = dap;
- dap->ap[i].ap_num = i;
- /* memaccess_tck max is 255 */
- dap->ap[i].memaccess_tck = 255;
- /* Number of bits for tar autoincrement, impl. dep. at least 10 */
- dap->ap[i].tar_autoincr_block = (1<<10);
- }
- INIT_LIST_HEAD(&dap->cmd_journal);
- return dap;
-}
-
/**
* Invalidate cached DP select and cached TAR and CSW of all APs
*/
{
int retval;
- LOG_DEBUG(" ");
- /* JTAG-DP or SWJ-DP, in JTAG mode
- * ... for SWD mode this is patched as part
- * of link switchover
- * FIXME: This should already be setup by the respective transport specific DAP creation.
- */
- if (!dap->ops)
- dap->ops = &jtag_dp_ops;
+ LOG_DEBUG("%s", adiv5_dap_name(dap));
dap_invalidate_cache(dap);
+ /*
+ * Early initialize dap->dp_ctrl_stat.
+ * In jtag mode only, if the following atomic reads fail and set the
+ * sticky error, it will trigger the clearing of the sticky. Without this
+ * initialization system and debug power would be disabled while clearing
+ * the sticky error bit.
+ */
+ dap->dp_ctrl_stat = CDBGPWRUPREQ | CSYSPWRUPREQ;
+
for (size_t i = 0; i < 30; i++) {
/* DP initialization */
break;
}
- retval = dap_queue_dp_write(dap, DP_CTRL_STAT, SSTICKYERR);
+ /*
+ * This write operation clears the sticky error bit in jtag mode only and
+ * is ignored in swd mode. It also powers-up system and debug domains in
+ * both jtag and swd modes, if not done before.
+ * Actually we do not need to clear the sticky error here because it has
+ * been already cleared (if it was set) in the previous atomic read. This
+ * write could be removed, but this initial part of dap_dp_init() is the
+ * result of years of fine tuning and there are strong concerns about any
+ * unnecessary code change. It doesn't harm, so let's keep it here and
+ * preserve the historical sequence of read/write operations!
+ */
+ retval = dap_queue_dp_write(dap, DP_CTRL_STAT, dap->dp_ctrl_stat | SSTICKYERR);
if (retval != ERROR_OK)
return retval;
if (retval != ERROR_OK)
return retval;
- dap->dp_ctrl_stat = CDBGPWRUPREQ | CSYSPWRUPREQ;
retval = dap_queue_dp_write(dap, DP_CTRL_STAT, dap->dp_ctrl_stat);
if (retval != ERROR_OK)
return retval;
if (retval != ERROR_OK)
return retval;
- LOG_DEBUG("DAP: wait CSYSPWRUPACK");
- retval = dap_dp_poll_register(dap, DP_CTRL_STAT,
- CSYSPWRUPACK, CSYSPWRUPACK,
- DAP_POWER_DOMAIN_TIMEOUT);
- if (retval != ERROR_OK)
- return retval;
+ if (!dap->ignore_syspwrupack) {
+ LOG_DEBUG("DAP: wait CSYSPWRUPACK");
+ retval = dap_dp_poll_register(dap, DP_CTRL_STAT,
+ CSYSPWRUPACK, CSYSPWRUPACK,
+ DAP_POWER_DOMAIN_TIMEOUT);
+ if (retval != ERROR_OK)
+ return retval;
+ }
retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL);
if (retval != ERROR_OK)
return ERROR_OK;
}
+/**
+ * Put the debug link into SWD mode, if the target supports it.
+ * The link's initial mode may be either JTAG (for example,
+ * with SWJ-DP after reset) or SWD.
+ *
+ * Note that targets using the JTAG-DP do not support SWD, and that
+ * some targets which could otherwise support it may have been
+ * configured to disable SWD signaling
+ *
+ * @param dap The DAP used
+ * @return ERROR_OK or else a fault code.
+ */
+int dap_to_swd(struct adiv5_dap *dap)
+{
+ int retval;
+
+ LOG_DEBUG("Enter SWD mode");
+
+ if (transport_is_jtag()) {
+ retval = jtag_add_tms_seq(swd_seq_jtag_to_swd_len,
+ swd_seq_jtag_to_swd, TAP_INVALID);
+ if (retval == ERROR_OK)
+ retval = jtag_execute_queue();
+ return retval;
+ }
+
+ if (transport_is_swd()) {
+ const struct swd_driver *swd = adiv5_dap_swd_driver(dap);
+
+ return swd->switch_seq(JTAG_TO_SWD);
+ }
+
+ LOG_ERROR("Nor JTAG nor SWD transport");
+ return ERROR_FAIL;
+}
+
+/**
+ * Put the debug link into JTAG mode, if the target supports it.
+ * The link's initial mode may be either SWD or JTAG.
+ *
+ * Note that targets implemented with SW-DP do not support JTAG, and
+ * that some targets which could otherwise support it may have been
+ * configured to disable JTAG signaling
+ *
+ * @param dap The DAP used
+ * @return ERROR_OK or else a fault code.
+ */
+int dap_to_jtag(struct adiv5_dap *dap)
+{
+ int retval;
+
+ LOG_DEBUG("Enter JTAG mode");
+
+ if (transport_is_jtag()) {
+ retval = jtag_add_tms_seq(swd_seq_swd_to_jtag_len,
+ swd_seq_swd_to_jtag, TAP_RESET);
+ if (retval == ERROR_OK)
+ retval = jtag_execute_queue();
+ return retval;
+ }
+
+ if (transport_is_swd()) {
+ const struct swd_driver *swd = adiv5_dap_swd_driver(dap);
+
+ return swd->switch_seq(SWD_TO_JTAG);
+ }
+
+ LOG_ERROR("Nor JTAG nor SWD transport");
+ return ERROR_FAIL;
+}
+
/* CID interpretation -- see ARM IHI 0029B section 3
* and ARM IHI 0031A table 13-3.
*/
int ap_num;
/* Maximum AP number is 255 since the SELECT register is 8 bits */
- for (ap_num = 0; ap_num <= 255; ap_num++) {
+ for (ap_num = 0; ap_num <= DP_APSEL_MAX; ap_num++) {
/* read the IDR register of the Access Port */
uint32_t id_val = 0;
{ ANY_ID, 0x343, "TI DAPCTL", "", }, /* from OMAP3 memmap */
};
-static int dap_rom_display(struct command_context *cmd_ctx,
+static int dap_rom_display(struct command_invocation *cmd,
struct adiv5_ap *ap, uint32_t dbgbase, int depth)
{
int retval;
char tabs[16] = "";
if (depth > 16) {
- command_print(cmd_ctx, "\tTables too deep");
+ command_print(cmd->ctx, "\tTables too deep");
return ERROR_FAIL;
}
snprintf(tabs, sizeof(tabs), "[L%02d] ", depth);
uint32_t base_addr = dbgbase & 0xFFFFF000;
- command_print(cmd_ctx, "\t\tComponent base address 0x%08" PRIx32, base_addr);
+ command_print(cmd->ctx, "\t\tComponent base address 0x%08" PRIx32, base_addr);
retval = dap_read_part_id(ap, base_addr, &cid, &pid);
if (retval != ERROR_OK) {
- command_print(cmd_ctx, "\t\tCan't read component, the corresponding core might be turned off");
+ command_print(cmd->ctx, "\t\tCan't read component, the corresponding core might be turned off");
return ERROR_OK; /* Don't abort recursion */
}
if (!is_dap_cid_ok(cid)) {
- command_print(cmd_ctx, "\t\tInvalid CID 0x%08" PRIx32, cid);
+ command_print(cmd->ctx, "\t\tInvalid CID 0x%08" PRIx32, cid);
return ERROR_OK; /* Don't abort recursion */
}
/* component may take multiple 4K pages */
uint32_t size = (pid >> 36) & 0xf;
if (size > 0)
- command_print(cmd_ctx, "\t\tStart address 0x%08" PRIx32, (uint32_t)(base_addr - 0x1000 * size));
+ command_print(cmd->ctx, "\t\tStart address 0x%08" PRIx32, (uint32_t)(base_addr - 0x1000 * size));
- command_print(cmd_ctx, "\t\tPeripheral ID 0x%010" PRIx64, pid);
+ command_print(cmd->ctx, "\t\tPeripheral ID 0x%010" PRIx64, pid);
uint8_t class = (cid >> 12) & 0xf;
uint16_t part_num = pid & 0xfff;
if (designer_id & 0x80) {
/* JEP106 code */
- command_print(cmd_ctx, "\t\tDesigner is 0x%03" PRIx16 ", %s",
+ command_print(cmd->ctx, "\t\tDesigner is 0x%03" PRIx16 ", %s",
designer_id, jep106_manufacturer(designer_id >> 8, designer_id & 0x7f));
} else {
/* Legacy ASCII ID, clear invalid bits */
designer_id &= 0x7f;
- command_print(cmd_ctx, "\t\tDesigner ASCII code 0x%02" PRIx16 ", %s",
+ command_print(cmd->ctx, "\t\tDesigner ASCII code 0x%02" PRIx16 ", %s",
designer_id, designer_id == 0x41 ? "ARM" : "<unknown>");
}
break;
}
- command_print(cmd_ctx, "\t\tPart is 0x%" PRIx16", %s %s", part_num, type, full);
- command_print(cmd_ctx, "\t\tComponent class is 0x%" PRIx8 ", %s", class, class_description[class]);
+ command_print(cmd->ctx, "\t\tPart is 0x%" PRIx16", %s %s", part_num, type, full);
+ command_print(cmd->ctx, "\t\tComponent class is 0x%" PRIx8 ", %s", class, class_description[class]);
if (class == 1) { /* ROM Table */
uint32_t memtype;
return retval;
if (memtype & 0x01)
- command_print(cmd_ctx, "\t\tMEMTYPE system memory present on bus");
+ command_print(cmd->ctx, "\t\tMEMTYPE system memory present on bus");
else
- command_print(cmd_ctx, "\t\tMEMTYPE system memory not present: dedicated debug bus");
+ command_print(cmd->ctx, "\t\tMEMTYPE system memory not present: dedicated debug bus");
/* Read ROM table entries from base address until we get 0x00000000 or reach the reserved area */
for (uint16_t entry_offset = 0; entry_offset < 0xF00; entry_offset += 4) {
retval = mem_ap_read_atomic_u32(ap, base_addr | entry_offset, &romentry);
if (retval != ERROR_OK)
return retval;
- command_print(cmd_ctx, "\t%sROMTABLE[0x%x] = 0x%" PRIx32 "",
+ command_print(cmd->ctx, "\t%sROMTABLE[0x%x] = 0x%" PRIx32 "",
tabs, entry_offset, romentry);
if (romentry & 0x01) {
/* Recurse */
- retval = dap_rom_display(cmd_ctx, ap, base_addr + (romentry & 0xFFFFF000), depth + 1);
+ retval = dap_rom_display(cmd, ap, base_addr + (romentry & 0xFFFFF000), depth + 1);
if (retval != ERROR_OK)
return retval;
} else if (romentry != 0) {
- command_print(cmd_ctx, "\t\tComponent not present");
+ command_print(cmd->ctx, "\t\tComponent not present");
} else {
- command_print(cmd_ctx, "\t%s\tEnd of ROM table", tabs);
+ command_print(cmd->ctx, "\t%s\tEnd of ROM table", tabs);
break;
}
}
}
break;
case 6:
- major = "Perfomance Monitor";
+ major = "Performance Monitor";
switch (minor) {
case 0:
subtype = "other";
}
break;
}
- command_print(cmd_ctx, "\t\tType is 0x%02" PRIx8 ", %s, %s",
+ command_print(cmd->ctx, "\t\tType is 0x%02" PRIx8 ", %s, %s",
(uint8_t)(devtype & 0xff),
major, subtype);
/* REVISIT also show 0xfc8 DevId */
return ERROR_OK;
}
-static int dap_info_command(struct command_context *cmd_ctx,
+int dap_info_command(struct command_invocation *cmd,
struct adiv5_ap *ap)
{
int retval;
if (retval != ERROR_OK)
return retval;
- command_print(cmd_ctx, "AP ID register 0x%8.8" PRIx32, apid);
+ command_print(cmd->ctx, "AP ID register 0x%8.8" PRIx32, apid);
if (apid == 0) {
- command_print(cmd_ctx, "No AP found at this ap 0x%x", ap->ap_num);
+ command_print(cmd->ctx, "No AP found at this ap 0x%x", ap->ap_num);
return ERROR_FAIL;
}
switch (apid & (IDR_JEP106 | IDR_TYPE)) {
case IDR_JEP106_ARM | AP_TYPE_JTAG_AP:
- command_print(cmd_ctx, "\tType is JTAG-AP");
+ command_print(cmd->ctx, "\tType is JTAG-AP");
break;
case IDR_JEP106_ARM | AP_TYPE_AHB_AP:
- command_print(cmd_ctx, "\tType is MEM-AP AHB");
+ command_print(cmd->ctx, "\tType is MEM-AP AHB");
break;
case IDR_JEP106_ARM | AP_TYPE_APB_AP:
- command_print(cmd_ctx, "\tType is MEM-AP APB");
+ command_print(cmd->ctx, "\tType is MEM-AP APB");
break;
case IDR_JEP106_ARM | AP_TYPE_AXI_AP:
- command_print(cmd_ctx, "\tType is MEM-AP AXI");
+ command_print(cmd->ctx, "\tType is MEM-AP AXI");
break;
default:
- command_print(cmd_ctx, "\tUnknown AP type");
+ command_print(cmd->ctx, "\tUnknown AP type");
break;
}
*/
mem_ap = (apid & IDR_CLASS) == AP_CLASS_MEM_AP;
if (mem_ap) {
- command_print(cmd_ctx, "MEM-AP BASE 0x%8.8" PRIx32, dbgbase);
+ command_print(cmd->ctx, "MEM-AP BASE 0x%8.8" PRIx32, dbgbase);
if (dbgbase == 0xFFFFFFFF || (dbgbase & 0x3) == 0x2) {
- command_print(cmd_ctx, "\tNo ROM table present");
+ command_print(cmd->ctx, "\tNo ROM table present");
} else {
if (dbgbase & 0x01)
- command_print(cmd_ctx, "\tValid ROM table present");
+ command_print(cmd->ctx, "\tValid ROM table present");
else
- command_print(cmd_ctx, "\tROM table in legacy format");
+ command_print(cmd->ctx, "\tROM table in legacy format");
- dap_rom_display(cmd_ctx, ap, dbgbase & 0xFFFFF000, 0);
+ dap_rom_display(cmd, ap, dbgbase & 0xFFFFF000, 0);
}
}
return ERROR_OK;
}
+enum adiv5_cfg_param {
+ CFG_DAP,
+ CFG_AP_NUM
+};
+
+static const Jim_Nvp nvp_config_opts[] = {
+ { .name = "-dap", .value = CFG_DAP },
+ { .name = "-ap-num", .value = CFG_AP_NUM },
+ { .name = NULL, .value = -1 }
+};
+
int adiv5_jim_configure(struct target *target, Jim_GetOptInfo *goi)
{
struct adiv5_private_config *pc;
- const char *arg;
- jim_wide ap_num;
int e;
- /* check if argv[0] is for us */
- arg = Jim_GetString(goi->argv[0], NULL);
- if (strcmp(arg, "-ap-num"))
- return JIM_CONTINUE;
+ pc = (struct adiv5_private_config *)target->private_config;
+ if (pc == NULL) {
+ pc = calloc(1, sizeof(struct adiv5_private_config));
+ pc->ap_num = DP_APSEL_INVALID;
+ target->private_config = pc;
+ }
- e = Jim_GetOpt_String(goi, &arg, NULL);
- if (e != JIM_OK)
- return e;
+ target->has_dap = true;
+
+ if (goi->argc > 0) {
+ Jim_Nvp *n;
+
+ Jim_SetEmptyResult(goi->interp);
+
+ /* check first if topmost item is for us */
+ e = Jim_Nvp_name2value_obj(goi->interp, nvp_config_opts,
+ goi->argv[0], &n);
+ if (e != JIM_OK)
+ return JIM_CONTINUE;
+
+ e = Jim_GetOpt_Obj(goi, NULL);
+ if (e != JIM_OK)
+ return e;
+
+ switch (n->value) {
+ case CFG_DAP:
+ if (goi->isconfigure) {
+ Jim_Obj *o_t;
+ struct adiv5_dap *dap;
+ e = Jim_GetOpt_Obj(goi, &o_t);
+ if (e != JIM_OK)
+ return e;
+ dap = dap_instance_by_jim_obj(goi->interp, o_t);
+ if (dap == NULL) {
+ Jim_SetResultString(goi->interp, "DAP name invalid!", -1);
+ return JIM_ERR;
+ }
+ if (pc->dap != NULL && pc->dap != dap) {
+ Jim_SetResultString(goi->interp,
+ "DAP assignment cannot be changed after target was created!", -1);
+ return JIM_ERR;
+ }
+ if (target->tap_configured) {
+ Jim_SetResultString(goi->interp,
+ "-chain-position and -dap configparams are mutually exclusive!", -1);
+ return JIM_ERR;
+ }
+ pc->dap = dap;
+ target->tap = dap->tap;
+ target->dap_configured = true;
+ } else {
+ if (goi->argc != 0) {
+ Jim_WrongNumArgs(goi->interp,
+ goi->argc, goi->argv,
+ "NO PARAMS");
+ return JIM_ERR;
+ }
+
+ if (pc->dap == NULL) {
+ Jim_SetResultString(goi->interp, "DAP not configured", -1);
+ return JIM_ERR;
+ }
+ Jim_SetResultString(goi->interp, adiv5_dap_name(pc->dap), -1);
+ }
+ break;
- if (goi->argc == 0) {
- Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-ap-num ?ap-number? ...");
- return JIM_ERR;
+ case CFG_AP_NUM:
+ if (goi->isconfigure) {
+ jim_wide ap_num;
+ e = Jim_GetOpt_Wide(goi, &ap_num);
+ if (e != JIM_OK)
+ return e;
+ if (ap_num < 0 || ap_num > DP_APSEL_MAX) {
+ Jim_SetResultString(goi->interp, "Invalid AP number!", -1);
+ return JIM_ERR;
+ }
+ pc->ap_num = ap_num;
+ } else {
+ if (goi->argc != 0) {
+ Jim_WrongNumArgs(goi->interp,
+ goi->argc, goi->argv,
+ "NO PARAMS");
+ return JIM_ERR;
+ }
+
+ if (pc->ap_num == DP_APSEL_INVALID) {
+ Jim_SetResultString(goi->interp, "AP number not configured", -1);
+ return JIM_ERR;
+ }
+ Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, pc->ap_num));
+ }
+ break;
+ }
}
- e = Jim_GetOpt_Wide(goi, &ap_num);
- if (e != JIM_OK)
- return e;
+ return JIM_OK;
+}
- if (target->private_config == NULL) {
- pc = calloc(1, sizeof(struct adiv5_private_config));
- target->private_config = pc;
- pc->ap_num = ap_num;
- }
+int adiv5_verify_config(struct adiv5_private_config *pc)
+{
+ if (pc == NULL)
+ return ERROR_FAIL;
+ if (pc->dap == NULL)
+ return ERROR_FAIL;
- return JIM_OK;
+ return ERROR_OK;
}
+
COMMAND_HANDLER(handle_dap_info_command)
{
- struct target *target = get_current_target(CMD_CTX);
- struct arm *arm = target_to_arm(target);
- struct adiv5_dap *dap = arm->dap;
+ struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA);
uint32_t apsel;
switch (CMD_ARGC) {
break;
case 1:
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
- if (apsel >= 256)
+ if (apsel > DP_APSEL_MAX)
return ERROR_COMMAND_SYNTAX_ERROR;
break;
default:
return ERROR_COMMAND_SYNTAX_ERROR;
}
- return dap_info_command(CMD_CTX, &dap->ap[apsel]);
+ return dap_info_command(CMD, &dap->ap[apsel]);
}
COMMAND_HANDLER(dap_baseaddr_command)
{
- struct target *target = get_current_target(CMD_CTX);
- struct arm *arm = target_to_arm(target);
- struct adiv5_dap *dap = arm->dap;
-
+ struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA);
uint32_t apsel, baseaddr;
int retval;
case 1:
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
/* AP address is in bits 31:24 of DP_SELECT */
- if (apsel >= 256)
+ if (apsel > DP_APSEL_MAX)
return ERROR_COMMAND_SYNTAX_ERROR;
break;
default:
COMMAND_HANDLER(dap_memaccess_command)
{
- struct target *target = get_current_target(CMD_CTX);
- struct arm *arm = target_to_arm(target);
- struct adiv5_dap *dap = arm->dap;
-
+ struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA);
uint32_t memaccess_tck;
switch (CMD_ARGC) {
COMMAND_HANDLER(dap_apsel_command)
{
- struct target *target = get_current_target(CMD_CTX);
- struct arm *arm = target_to_arm(target);
- struct adiv5_dap *dap = arm->dap;
-
- uint32_t apsel, apid;
- int retval;
+ struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA);
+ uint32_t apsel;
switch (CMD_ARGC) {
case 0:
- apsel = dap->apsel;
- break;
+ command_print(CMD_CTX, "%" PRIi32, dap->apsel);
+ return ERROR_OK;
case 1:
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
/* AP address is in bits 31:24 of DP_SELECT */
- if (apsel >= 256)
+ if (apsel > DP_APSEL_MAX)
return ERROR_COMMAND_SYNTAX_ERROR;
break;
default:
}
dap->apsel = apsel;
-
- retval = dap_queue_ap_read(dap_ap(dap, apsel), AP_REG_IDR, &apid);
- if (retval != ERROR_OK)
- return retval;
- retval = dap_run(dap);
- if (retval != ERROR_OK)
- return retval;
-
- command_print(CMD_CTX, "ap %" PRIi32 " selected, identification register 0x%8.8" PRIx32,
- apsel, apid);
-
- return retval;
+ return ERROR_OK;
}
COMMAND_HANDLER(dap_apcsw_command)
{
- struct target *target = get_current_target(CMD_CTX);
- struct arm *arm = target_to_arm(target);
- struct adiv5_dap *dap = arm->dap;
-
- uint32_t apcsw = dap->ap[dap->apsel].csw_default, sprot = 0;
+ struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA);
+ uint32_t apcsw = dap->ap[dap->apsel].csw_default;
+ uint32_t csw_val, csw_mask;
switch (CMD_ARGC) {
case 0:
- command_print(CMD_CTX, "apsel %" PRIi32 " selected, csw 0x%8.8" PRIx32,
- (dap->apsel), apcsw);
- break;
+ command_print(CMD_CTX, "ap %" PRIi32 " selected, csw 0x%8.8" PRIx32,
+ dap->apsel, apcsw);
+ return ERROR_OK;
case 1:
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], sprot);
- /* AP address is in bits 31:24 of DP_SELECT */
- if (sprot > 1)
- return ERROR_COMMAND_SYNTAX_ERROR;
- if (sprot)
- apcsw |= CSW_SPROT;
+ if (strcmp(CMD_ARGV[0], "default") == 0)
+ csw_val = CSW_DEFAULT;
else
- apcsw &= ~CSW_SPROT;
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], csw_val);
+
+ if (csw_val & (CSW_SIZE_MASK | CSW_ADDRINC_MASK)) {
+ LOG_ERROR("CSW value cannot include 'Size' and 'AddrInc' bit-fields");
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ apcsw = csw_val;
+ break;
+ case 2:
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], csw_val);
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], csw_mask);
+ if (csw_mask & (CSW_SIZE_MASK | CSW_ADDRINC_MASK)) {
+ LOG_ERROR("CSW mask cannot include 'Size' and 'AddrInc' bit-fields");
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ apcsw = (apcsw & ~csw_mask) | (csw_val & csw_mask);
break;
default:
return ERROR_COMMAND_SYNTAX_ERROR;
COMMAND_HANDLER(dap_apid_command)
{
- struct target *target = get_current_target(CMD_CTX);
- struct arm *arm = target_to_arm(target);
- struct adiv5_dap *dap = arm->dap;
-
+ struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA);
uint32_t apsel, apid;
int retval;
case 1:
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
/* AP address is in bits 31:24 of DP_SELECT */
- if (apsel >= 256)
+ if (apsel > DP_APSEL_MAX)
return ERROR_COMMAND_SYNTAX_ERROR;
break;
default:
COMMAND_HANDLER(dap_apreg_command)
{
- struct target *target = get_current_target(CMD_CTX);
- struct arm *arm = target_to_arm(target);
- struct adiv5_dap *dap = arm->dap;
-
+ struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA);
uint32_t apsel, reg, value;
+ struct adiv5_ap *ap;
int retval;
if (CMD_ARGC < 2 || CMD_ARGC > 3)
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
/* AP address is in bits 31:24 of DP_SELECT */
- if (apsel >= 256)
+ if (apsel > DP_APSEL_MAX)
return ERROR_COMMAND_SYNTAX_ERROR;
+ ap = dap_ap(dap, apsel);
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], reg);
if (reg >= 256 || (reg & 3))
if (CMD_ARGC == 3) {
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], value);
- retval = dap_queue_ap_write(dap_ap(dap, apsel), reg, value);
+ switch (reg) {
+ case MEM_AP_REG_CSW:
+ ap->csw_value = 0; /* invalid, in case write fails */
+ retval = dap_queue_ap_write(ap, reg, value);
+ if (retval == ERROR_OK)
+ ap->csw_value = value;
+ break;
+ case MEM_AP_REG_TAR:
+ ap->tar_valid = false; /* invalid, force write */
+ retval = mem_ap_setup_tar(ap, value);
+ break;
+ default:
+ retval = dap_queue_ap_write(ap, reg, value);
+ break;
+ }
} else {
- retval = dap_queue_ap_read(dap_ap(dap, apsel), reg, &value);
+ retval = dap_queue_ap_read(ap, reg, &value);
}
if (retval == ERROR_OK)
retval = dap_run(dap);
return retval;
}
-COMMAND_HANDLER(dap_ti_be_32_quirks_command)
+COMMAND_HANDLER(dap_dpreg_command)
{
- struct target *target = get_current_target(CMD_CTX);
- struct arm *arm = target_to_arm(target);
- struct adiv5_dap *dap = arm->dap;
+ struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA);
+ uint32_t reg, value;
+ int retval;
+
+ if (CMD_ARGC < 1 || CMD_ARGC > 2)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], reg);
+ if (reg >= 256 || (reg & 3))
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ if (CMD_ARGC == 2) {
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
+ retval = dap_queue_dp_write(dap, reg, value);
+ } else {
+ retval = dap_queue_dp_read(dap, reg, &value);
+ }
+ if (retval == ERROR_OK)
+ retval = dap_run(dap);
+
+ if (retval != ERROR_OK)
+ return retval;
+
+ if (CMD_ARGC == 1)
+ command_print(CMD_CTX, "0x%08" PRIx32, value);
+
+ return retval;
+}
+
+COMMAND_HANDLER(dap_ti_be_32_quirks_command)
+{
+ struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA);
uint32_t enable = dap->ti_be_32_quirks;
switch (CMD_ARGC) {
return 0;
}
-static const struct command_registration dap_commands[] = {
+const struct command_registration dap_instance_commands[] = {
{
.name = "info",
.handler = handle_dap_info_command,
{
.name = "apsel",
.handler = dap_apsel_command,
- .mode = COMMAND_EXEC,
+ .mode = COMMAND_ANY,
.help = "Set the currently selected AP (default 0) "
"and display the result",
.usage = "[ap_num]",
{
.name = "apcsw",
.handler = dap_apcsw_command,
- .mode = COMMAND_EXEC,
- .help = "Set csw access bit ",
- .usage = "[sprot]",
+ .mode = COMMAND_ANY,
+ .help = "Set CSW default bits",
+ .usage = "[value [mask]]",
},
{
"(reg is byte address of a word register, like 0 4 8...)",
.usage = "ap_num reg [value]",
},
+ {
+ .name = "dpreg",
+ .handler = dap_dpreg_command,
+ .mode = COMMAND_EXEC,
+ .help = "read/write a register from DP "
+ "(reg is byte address (bank << 4 | reg) of a word register, like 0 4 8...)",
+ .usage = "reg [value]",
+ },
{
.name = "baseaddr",
.handler = dap_baseaddr_command,
},
COMMAND_REGISTRATION_DONE
};
-
-const struct command_registration dap_command_handlers[] = {
- {
- .name = "dap",
- .mode = COMMAND_EXEC,
- .help = "DAP command group",
- .usage = "",
- .chain = dap_commands,
- },
- COMMAND_REGISTRATION_DONE
-};
Code Review / openocd.git / blobdiff