diff options
Diffstat (limited to 'src/target/arm_adi_v5.c')
| -rw-r--r-- | src/target/arm_adi_v5.c | 726 |
1 files changed, 382 insertions, 344 deletions
diff --git a/src/target/arm_adi_v5.c b/src/target/arm_adi_v5.c index 41bd261..d4faf16 100644 --- a/src/target/arm_adi_v5.c +++ b/src/target/arm_adi_v5.c @@ -1025,6 +1025,387 @@ int dap_lookup_cs_component(struct adiv5_dap *dap, int ap, return retval; } +static int dap_rom_display(struct command_context *cmd_ctx, + struct adiv5_dap *dap, int ap, uint32_t dbgbase, int depth) +{ + int retval; + uint32_t cid0, cid1, cid2, cid3, memtype, romentry; + uint16_t entry_offset; + int i; + char tabs[16 + 1]; + + if (depth > 16) { + command_print(cmd_ctx, "\tTables too deep"); + return ERROR_FAIL; + } + + for (i = 0; i < depth; ++i) + tabs[i] = '\t'; + tabs[i] = '\0'; + + /* bit 16 of apid indicates a memory access port */ + if (dbgbase & 0x02) + command_print(cmd_ctx, "\t%sValid ROM table present", tabs); + else + command_print(cmd_ctx, "\t%sROM table in legacy format", tabs); + + /* Now we read ROM table ID registers, ref. ARM IHI 0029B sec */ + retval = mem_ap_read_u32(dap, (dbgbase&0xFFFFF000) | 0xFF0, &cid0); + if (retval != ERROR_OK) + return retval; + retval = mem_ap_read_u32(dap, (dbgbase&0xFFFFF000) | 0xFF4, &cid1); + if (retval != ERROR_OK) + return retval; + retval = mem_ap_read_u32(dap, (dbgbase&0xFFFFF000) | 0xFF8, &cid2); + if (retval != ERROR_OK) + return retval; + retval = mem_ap_read_u32(dap, (dbgbase&0xFFFFF000) | 0xFFC, &cid3); + if (retval != ERROR_OK) + return retval; + retval = mem_ap_read_u32(dap, (dbgbase&0xFFFFF000) | 0xFCC, &memtype); + if (retval != ERROR_OK) + return retval; + retval = dap_run(dap); + if (retval != ERROR_OK) + return retval; + + if (!is_dap_cid_ok(cid3, cid2, cid1, cid0)) + command_print(cmd_ctx, "\t%sCID3 0x%02x" + ", CID2 0x%02x" + ", CID1 0x%02x" + ", CID0 0x%02x", + tabs, + (unsigned)cid3, (unsigned)cid2, + (unsigned)cid1, (unsigned)cid0); + if (memtype & 0x01) + command_print(cmd_ctx, "\t%sMEMTYPE system memory present on bus", tabs); + else + command_print(cmd_ctx, "\t%sMEMTYPE system memory not present: dedicated debug bus", tabs); + + /* Now we read ROM table entries from dbgbase&0xFFFFF000) | 0x000 until we get 0x00000000 */ + for (entry_offset = 0; ; entry_offset += 4) { + retval = mem_ap_read_atomic_u32(dap, (dbgbase&0xFFFFF000) | entry_offset, &romentry); + if (retval != ERROR_OK) + return retval; + command_print(cmd_ctx, "\t%sROMTABLE[0x%x] = 0x%" PRIx32 "", + tabs, entry_offset, romentry); + if (romentry & 0x01) { + uint32_t c_cid0, c_cid1, c_cid2, c_cid3; + uint32_t c_pid0, c_pid1, c_pid2, c_pid3, c_pid4; + uint32_t component_base; + unsigned part_num; + char *type, *full; + + component_base = (dbgbase & 0xFFFFF000) + (romentry & 0xFFFFF000); + + /* IDs are in last 4K section */ + retval = mem_ap_read_atomic_u32(dap, component_base + 0xFE0, &c_pid0); + if (retval != ERROR_OK) { + command_print(cmd_ctx, "\t%s\tCan't read component with base address 0x%" PRIx32 + ", the corresponding core might be turned off", tabs, component_base); + continue; + } + c_pid0 &= 0xff; + retval = mem_ap_read_atomic_u32(dap, component_base + 0xFE4, &c_pid1); + if (retval != ERROR_OK) + return retval; + c_pid1 &= 0xff; + retval = mem_ap_read_atomic_u32(dap, component_base + 0xFE8, &c_pid2); + if (retval != ERROR_OK) + return retval; + c_pid2 &= 0xff; + retval = mem_ap_read_atomic_u32(dap, component_base + 0xFEC, &c_pid3); + if (retval != ERROR_OK) + return retval; + c_pid3 &= 0xff; + retval = mem_ap_read_atomic_u32(dap, component_base + 0xFD0, &c_pid4); + if (retval != ERROR_OK) + return retval; + c_pid4 &= 0xff; + + retval = mem_ap_read_atomic_u32(dap, component_base + 0xFF0, &c_cid0); + if (retval != ERROR_OK) + return retval; + c_cid0 &= 0xff; + retval = mem_ap_read_atomic_u32(dap, component_base + 0xFF4, &c_cid1); + if (retval != ERROR_OK) + return retval; + c_cid1 &= 0xff; + retval = mem_ap_read_atomic_u32(dap, component_base + 0xFF8, &c_cid2); + if (retval != ERROR_OK) + return retval; + c_cid2 &= 0xff; + retval = mem_ap_read_atomic_u32(dap, component_base + 0xFFC, &c_cid3); + if (retval != ERROR_OK) + return retval; + c_cid3 &= 0xff; + + command_print(cmd_ctx, "\t%s\tComponent base address 0x%" PRIx32 ", " + "start address 0x%" PRIx32, tabs, component_base, + /* component may take multiple 4K pages */ + (uint32_t)(component_base - 0x1000*(c_pid4 >> 4))); + command_print(cmd_ctx, "\t%s\tComponent class is 0x%x, %s", + tabs, (c_cid1 >> 4) & 0xf, + /* See ARM IHI 0029B Table 3-3 */ + class_description[(c_cid1 >> 4) & 0xf]); + + /* CoreSight component? */ + if (((c_cid1 >> 4) & 0x0f) == 9) { + uint32_t devtype; + unsigned minor; + char *major = "Reserved", *subtype = "Reserved"; + + retval = mem_ap_read_atomic_u32(dap, + (component_base & 0xfffff000) | 0xfcc, + &devtype); + if (retval != ERROR_OK) + return retval; + minor = (devtype >> 4) & 0x0f; + switch (devtype & 0x0f) { + case 0: + major = "Miscellaneous"; + switch (minor) { + case 0: + subtype = "other"; + break; + case 4: + subtype = "Validation component"; + break; + } + break; + case 1: + major = "Trace Sink"; + switch (minor) { + case 0: + subtype = "other"; + break; + case 1: + subtype = "Port"; + break; + case 2: + subtype = "Buffer"; + break; + } + break; + case 2: + major = "Trace Link"; + switch (minor) { + case 0: + subtype = "other"; + break; + case 1: + subtype = "Funnel, router"; + break; + case 2: + subtype = "Filter"; + break; + case 3: + subtype = "FIFO, buffer"; + break; + } + break; + case 3: + major = "Trace Source"; + switch (minor) { + case 0: + subtype = "other"; + break; + case 1: + subtype = "Processor"; + break; + case 2: + subtype = "DSP"; + break; + case 3: + subtype = "Engine/Coprocessor"; + break; + case 4: + subtype = "Bus"; + break; + } + break; + case 4: + major = "Debug Control"; + switch (minor) { + case 0: + subtype = "other"; + break; + case 1: + subtype = "Trigger Matrix"; + break; + case 2: + subtype = "Debug Auth"; + break; + } + break; + case 5: + major = "Debug Logic"; + switch (minor) { + case 0: + subtype = "other"; + break; + case 1: + subtype = "Processor"; + break; + case 2: + subtype = "DSP"; + break; + case 3: + subtype = "Engine/Coprocessor"; + break; + } + break; + } + command_print(cmd_ctx, "\t%s\tType is 0x%02x, %s, %s", + tabs, devtype & 0xff, + major, subtype); + /* REVISIT also show 0xfc8 DevId */ + } + + if (!is_dap_cid_ok(cid3, cid2, cid1, cid0)) + command_print(cmd_ctx, + "\t%s\tCID3 0%02x" + ", CID2 0%02x" + ", CID1 0%02x" + ", CID0 0%02x", + tabs, + (int)c_cid3, + (int)c_cid2, + (int)c_cid1, + (int)c_cid0); + command_print(cmd_ctx, + "\t%s\tPeripheral ID[4..0] = hex " + "%02x %02x %02x %02x %02x", tabs, + (int)c_pid4, (int)c_pid3, (int)c_pid2, + (int)c_pid1, (int)c_pid0); + + /* Part number interpretations are from Cortex + * core specs, the CoreSight components TRM + * (ARM DDI 0314H), CoreSight System Design + * Guide (ARM DGI 0012D) and ETM specs; also + * from chip observation (e.g. TI SDTI). + */ + part_num = (c_pid0 & 0xff); + part_num |= (c_pid1 & 0x0f) << 8; + switch (part_num) { + case 0x000: + type = "Cortex-M3 NVIC"; + full = "(Interrupt Controller)"; + break; + case 0x001: + type = "Cortex-M3 ITM"; + full = "(Instrumentation Trace Module)"; + break; + case 0x002: + type = "Cortex-M3 DWT"; + full = "(Data Watchpoint and Trace)"; + break; + case 0x003: + type = "Cortex-M3 FBP"; + full = "(Flash Patch and Breakpoint)"; + break; + case 0x00c: + type = "Cortex-M4 SCS"; + full = "(System Control Space)"; + break; + case 0x00d: + type = "CoreSight ETM11"; + full = "(Embedded Trace)"; + break; + /* case 0x113: what? */ + case 0x120: /* from OMAP3 memmap */ + type = "TI SDTI"; + full = "(System Debug Trace Interface)"; + break; + case 0x343: /* from OMAP3 memmap */ + type = "TI DAPCTL"; + full = ""; + break; + case 0x906: + type = "Coresight CTI"; + full = "(Cross Trigger)"; + break; + case 0x907: + type = "Coresight ETB"; + full = "(Trace Buffer)"; + break; + case 0x908: + type = "Coresight CSTF"; + full = "(Trace Funnel)"; + break; + case 0x910: + type = "CoreSight ETM9"; + full = "(Embedded Trace)"; + break; + case 0x912: + type = "Coresight TPIU"; + full = "(Trace Port Interface Unit)"; + break; + case 0x913: + type = "Coresight ITM"; + full = "(Instrumentation Trace Macrocell)"; + break; + case 0x921: + type = "Cortex-A8 ETM"; + full = "(Embedded Trace)"; + break; + case 0x922: + type = "Cortex-A8 CTI"; + full = "(Cross Trigger)"; + break; + case 0x923: + type = "Cortex-M3 TPIU"; + full = "(Trace Port Interface Unit)"; + break; + case 0x924: + type = "Cortex-M3 ETM"; + full = "(Embedded Trace)"; + break; + case 0x925: + type = "Cortex-M4 ETM"; + full = "(Embedded Trace)"; + break; + case 0x930: + type = "Cortex-R4 ETM"; + full = "(Embedded Trace)"; + break; + case 0x9a1: + type = "Cortex-M4 TPUI"; + full = "(Trace Port Interface Unit)"; + break; + case 0xc08: + type = "Cortex-A8 Debug"; + full = "(Debug Unit)"; + break; + case 0xc09: + type = "Cortex-A9 Debug"; + full = "(Debug Unit)"; + break; + default: + type = "-*- unrecognized -*-"; + full = ""; + break; + } + command_print(cmd_ctx, "\t%s\tPart is %s %s", + tabs, type, full); + + /* ROM Table? */ + if (((c_cid1 >> 4) & 0x0f) == 1) { + retval = dap_rom_display(cmd_ctx, dap, ap, component_base, depth + 1); + if (retval != ERROR_OK) + return retval; + } + } else { + if (romentry) + command_print(cmd_ctx, "\t%s\tComponent not present", tabs); + else + break; + } + } + command_print(cmd_ctx, "\t%s\tEnd of ROM table", tabs); + return ERROR_OK; +} + static int dap_info_command(struct command_context *cmd_ctx, struct adiv5_dap *dap, int ap) { @@ -1070,350 +1451,7 @@ static int dap_info_command(struct command_context *cmd_ctx, romtable_present = ((mem_ap) && (dbgbase != 0xFFFFFFFF)); if (romtable_present) { - uint32_t cid0, cid1, cid2, cid3, memtype, romentry; - uint16_t entry_offset; - - /* bit 16 of apid indicates a memory access port */ - if (dbgbase & 0x02) - command_print(cmd_ctx, "\tValid ROM table present"); - else - command_print(cmd_ctx, "\tROM table in legacy format"); - - /* Now we read ROM table ID registers, ref. ARM IHI 0029B sec */ - retval = mem_ap_read_u32(dap, (dbgbase&0xFFFFF000) | 0xFF0, &cid0); - if (retval != ERROR_OK) - return retval; - retval = mem_ap_read_u32(dap, (dbgbase&0xFFFFF000) | 0xFF4, &cid1); - if (retval != ERROR_OK) - return retval; - retval = mem_ap_read_u32(dap, (dbgbase&0xFFFFF000) | 0xFF8, &cid2); - if (retval != ERROR_OK) - return retval; - retval = mem_ap_read_u32(dap, (dbgbase&0xFFFFF000) | 0xFFC, &cid3); - if (retval != ERROR_OK) - return retval; - retval = mem_ap_read_u32(dap, (dbgbase&0xFFFFF000) | 0xFCC, &memtype); - if (retval != ERROR_OK) - return retval; - retval = dap_run(dap); - if (retval != ERROR_OK) - return retval; - - if (!is_dap_cid_ok(cid3, cid2, cid1, cid0)) - command_print(cmd_ctx, "\tCID3 0x%2.2x" - ", CID2 0x%2.2x" - ", CID1 0x%2.2x" - ", CID0 0x%2.2x", - (unsigned) cid3, (unsigned)cid2, - (unsigned) cid1, (unsigned) cid0); - if (memtype & 0x01) - command_print(cmd_ctx, "\tMEMTYPE system memory present on bus"); - else - command_print(cmd_ctx, "\tMEMTYPE System memory not present. " - "Dedicated debug bus."); - - /* Now we read ROM table entries from dbgbase&0xFFFFF000) | 0x000 until we get 0x00000000 */ - entry_offset = 0; - do { - retval = mem_ap_read_atomic_u32(dap, (dbgbase&0xFFFFF000) | entry_offset, &romentry); - if (retval != ERROR_OK) - return retval; - command_print(cmd_ctx, "\tROMTABLE[0x%x] = 0x%" PRIx32 "", entry_offset, romentry); - if (romentry & 0x01) { - uint32_t c_cid0, c_cid1, c_cid2, c_cid3; - uint32_t c_pid0, c_pid1, c_pid2, c_pid3, c_pid4; - uint32_t component_base; - unsigned part_num; - char *type, *full; - - component_base = (dbgbase & 0xFFFFF000) + (romentry & 0xFFFFF000); - - /* IDs are in last 4K section */ - retval = mem_ap_read_atomic_u32(dap, component_base + 0xFE0, &c_pid0); - if (retval != ERROR_OK) - return retval; - c_pid0 &= 0xff; - retval = mem_ap_read_atomic_u32(dap, component_base + 0xFE4, &c_pid1); - if (retval != ERROR_OK) - return retval; - c_pid1 &= 0xff; - retval = mem_ap_read_atomic_u32(dap, component_base + 0xFE8, &c_pid2); - if (retval != ERROR_OK) - return retval; - c_pid2 &= 0xff; - retval = mem_ap_read_atomic_u32(dap, component_base + 0xFEC, &c_pid3); - if (retval != ERROR_OK) - return retval; - c_pid3 &= 0xff; - retval = mem_ap_read_atomic_u32(dap, component_base + 0xFD0, &c_pid4); - if (retval != ERROR_OK) - return retval; - c_pid4 &= 0xff; - - retval = mem_ap_read_atomic_u32(dap, component_base + 0xFF0, &c_cid0); - if (retval != ERROR_OK) - return retval; - c_cid0 &= 0xff; - retval = mem_ap_read_atomic_u32(dap, component_base + 0xFF4, &c_cid1); - if (retval != ERROR_OK) - return retval; - c_cid1 &= 0xff; - retval = mem_ap_read_atomic_u32(dap, component_base + 0xFF8, &c_cid2); - if (retval != ERROR_OK) - return retval; - c_cid2 &= 0xff; - retval = mem_ap_read_atomic_u32(dap, component_base + 0xFFC, &c_cid3); - if (retval != ERROR_OK) - return retval; - c_cid3 &= 0xff; - - command_print(cmd_ctx, "\t\tComponent base address 0x%" PRIx32 "," - "start address 0x%" PRIx32, component_base, - /* component may take multiple 4K pages */ - component_base - 0x1000*(c_pid4 >> 4)); - command_print(cmd_ctx, "\t\tComponent class is 0x%x, %s", - (int) (c_cid1 >> 4) & 0xf, - /* See ARM IHI 0029B Table 3-3 */ - class_description[(c_cid1 >> 4) & 0xf]); - - /* CoreSight component? */ - if (((c_cid1 >> 4) & 0x0f) == 9) { - uint32_t devtype; - unsigned minor; - char *major = "Reserved", *subtype = "Reserved"; - - retval = mem_ap_read_atomic_u32(dap, - (component_base & 0xfffff000) | 0xfcc, - &devtype); - if (retval != ERROR_OK) - return retval; - minor = (devtype >> 4) & 0x0f; - switch (devtype & 0x0f) { - case 0: - major = "Miscellaneous"; - switch (minor) { - case 0: - subtype = "other"; - break; - case 4: - subtype = "Validation component"; - break; - } - break; - case 1: - major = "Trace Sink"; - switch (minor) { - case 0: - subtype = "other"; - break; - case 1: - subtype = "Port"; - break; - case 2: - subtype = "Buffer"; - break; - } - break; - case 2: - major = "Trace Link"; - switch (minor) { - case 0: - subtype = "other"; - break; - case 1: - subtype = "Funnel, router"; - break; - case 2: - subtype = "Filter"; - break; - case 3: - subtype = "FIFO, buffer"; - break; - } - break; - case 3: - major = "Trace Source"; - switch (minor) { - case 0: - subtype = "other"; - break; - case 1: - subtype = "Processor"; - break; - case 2: - subtype = "DSP"; - break; - case 3: - subtype = "Engine/Coprocessor"; - break; - case 4: - subtype = "Bus"; - break; - } - break; - case 4: - major = "Debug Control"; - switch (minor) { - case 0: - subtype = "other"; - break; - case 1: - subtype = "Trigger Matrix"; - break; - case 2: - subtype = "Debug Auth"; - break; - } - break; - case 5: - major = "Debug Logic"; - switch (minor) { - case 0: - subtype = "other"; - break; - case 1: - subtype = "Processor"; - break; - case 2: - subtype = "DSP"; - break; - case 3: - subtype = "Engine/Coprocessor"; - break; - } - break; - } - command_print(cmd_ctx, "\t\tType is 0x%2.2x, %s, %s", - (unsigned) (devtype & 0xff), - major, subtype); - /* REVISIT also show 0xfc8 DevId */ - } - - if (!is_dap_cid_ok(cid3, cid2, cid1, cid0)) - command_print(cmd_ctx, - "\t\tCID3 0%2.2x" - ", CID2 0%2.2x" - ", CID1 0%2.2x" - ", CID0 0%2.2x", - (int) c_cid3, - (int) c_cid2, - (int)c_cid1, - (int)c_cid0); - command_print(cmd_ctx, - "\t\tPeripheral ID[4..0] = hex " - "%2.2x %2.2x %2.2x %2.2x %2.2x", - (int) c_pid4, (int) c_pid3, (int) c_pid2, - (int) c_pid1, (int) c_pid0); - - /* Part number interpretations are from Cortex - * core specs, the CoreSight components TRM - * (ARM DDI 0314H), CoreSight System Design - * Guide (ARM DGI 0012D) and ETM specs; also - * from chip observation (e.g. TI SDTI). - */ - part_num = (c_pid0 & 0xff); - part_num |= (c_pid1 & 0x0f) << 8; - switch (part_num) { - case 0x000: - type = "Cortex-M3 NVIC"; - full = "(Interrupt Controller)"; - break; - case 0x001: - type = "Cortex-M3 ITM"; - full = "(Instrumentation Trace Module)"; - break; - case 0x002: - type = "Cortex-M3 DWT"; - full = "(Data Watchpoint and Trace)"; - break; - case 0x003: - type = "Cortex-M3 FBP"; - full = "(Flash Patch and Breakpoint)"; - break; - case 0x00c: - type = "Cortex-M4 SCS"; - full = "(System Control Space)"; - break; - case 0x00d: - type = "CoreSight ETM11"; - full = "(Embedded Trace)"; - break; - /* case 0x113: what? */ - case 0x120: /* from OMAP3 memmap */ - type = "TI SDTI"; - full = "(System Debug Trace Interface)"; - break; - case 0x343: /* from OMAP3 memmap */ - type = "TI DAPCTL"; - full = ""; - break; - case 0x906: - type = "Coresight CTI"; - full = "(Cross Trigger)"; - break; - case 0x907: - type = "Coresight ETB"; - full = "(Trace Buffer)"; - break; - case 0x908: - type = "Coresight CSTF"; - full = "(Trace Funnel)"; - break; - case 0x910: - type = "CoreSight ETM9"; - full = "(Embedded Trace)"; - break; - case 0x912: - type = "Coresight TPIU"; - full = "(Trace Port Interface Unit)"; - break; - case 0x921: - type = "Cortex-A8 ETM"; - full = "(Embedded Trace)"; - break; - case 0x922: - type = "Cortex-A8 CTI"; - full = "(Cross Trigger)"; - break; - case 0x923: - type = "Cortex-M3 TPIU"; - full = "(Trace Port Interface Unit)"; - break; - case 0x924: - type = "Cortex-M3 ETM"; - full = "(Embedded Trace)"; - break; - case 0x925: - type = "Cortex-M4 ETM"; - full = "(Embedded Trace)"; - break; - case 0x930: - type = "Cortex-R4 ETM"; - full = "(Embedded Trace)"; - break; - case 0x9a1: - type = "Cortex-M4 TPUI"; - full = "(Trace Port Interface Unit)"; - break; - case 0xc08: - type = "Cortex-A8 Debug"; - full = "(Debug Unit)"; - break; - default: - type = "-*- unrecognized -*-"; - full = ""; - break; - } - command_print(cmd_ctx, "\t\tPart is %s %s", - type, full); - } else { - if (romentry) - command_print(cmd_ctx, "\t\tComponent not present"); - else - command_print(cmd_ctx, "\t\tEnd of ROM table"); - } - entry_offset += 4; - } while (romentry > 0); + dap_rom_display(cmd_ctx, dap, ap, dbgbase, 0); } else command_print(cmd_ctx, "\tNo ROM table present"); dap_ap_select(dap, ap_old); |