[0xF] = "CoreLink, PrimeCell or System component",
};
+#define ARCH_ID(architect, archid) ( \
+ (((architect) << ARM_CS_C9_DEVARCH_ARCHITECT_SHIFT) & ARM_CS_C9_DEVARCH_ARCHITECT_MASK) | \
+ (((archid) << ARM_CS_C9_DEVARCH_ARCHID_SHIFT) & ARM_CS_C9_DEVARCH_ARCHID_MASK) \
+)
+
+static const struct {
+ uint32_t arch_id;
+ const char *description;
+} class0x9_devarch[] = {
+ /* keep same unsorted order as in ARM IHI0029E */
+ { ARCH_ID(ARM_ID, 0x0A00), "RAS architecture" },
+ { ARCH_ID(ARM_ID, 0x1A01), "Instrumentation Trace Macrocell (ITM) architecture" },
+ { ARCH_ID(ARM_ID, 0x1A02), "DWT architecture" },
+ { ARCH_ID(ARM_ID, 0x1A03), "Flash Patch and Breakpoint unit (FPB) architecture" },
+ { ARCH_ID(ARM_ID, 0x2A04), "Processor debug architecture (ARMv8-M)" },
+ { ARCH_ID(ARM_ID, 0x6A05), "Processor debug architecture (ARMv8-R)" },
+ { ARCH_ID(ARM_ID, 0x0A10), "PC sample-based profiling" },
+ { ARCH_ID(ARM_ID, 0x4A13), "Embedded Trace Macrocell (ETM) architecture" },
+ { ARCH_ID(ARM_ID, 0x1A14), "Cross Trigger Interface (CTI) architecture" },
+ { ARCH_ID(ARM_ID, 0x6A15), "Processor debug architecture (v8.0-A)" },
+ { ARCH_ID(ARM_ID, 0x7A15), "Processor debug architecture (v8.1-A)" },
+ { ARCH_ID(ARM_ID, 0x8A15), "Processor debug architecture (v8.2-A)" },
+ { ARCH_ID(ARM_ID, 0x2A16), "Processor Performance Monitor (PMU) architecture" },
+ { ARCH_ID(ARM_ID, 0x0A17), "Memory Access Port v2 architecture" },
+ { ARCH_ID(ARM_ID, 0x0A27), "JTAG Access Port v2 architecture" },
+ { ARCH_ID(ARM_ID, 0x0A31), "Basic trace router" },
+ { ARCH_ID(ARM_ID, 0x0A37), "Power requestor" },
+ { ARCH_ID(ARM_ID, 0x0A47), "Unknown Access Port v2 architecture" },
+ { ARCH_ID(ARM_ID, 0x0A50), "HSSTP architecture" },
+ { ARCH_ID(ARM_ID, 0x0A63), "System Trace Macrocell (STM) architecture" },
+ { ARCH_ID(ARM_ID, 0x0A75), "CoreSight ELA architecture" },
+ { ARCH_ID(ARM_ID, 0x0AF7), "CoreSight ROM architecture" },
+};
+
+#define DEVARCH_ID_MASK (ARM_CS_C9_DEVARCH_ARCHITECT_MASK | ARM_CS_C9_DEVARCH_ARCHID_MASK)
+#define DEVARCH_ROM_C_0X9 ARCH_ID(ARM_ID, 0x0AF7)
+
+static const char *class0x9_devarch_description(uint32_t devarch)
+{
+ if (!(devarch & ARM_CS_C9_DEVARCH_PRESENT))
+ return "not present";
+
+ for (unsigned int i = 0; i < ARRAY_SIZE(class0x9_devarch); i++)
+ if ((devarch & DEVARCH_ID_MASK) == class0x9_devarch[i].arch_id)
+ return class0x9_devarch[i].description;
+
+ return "unknown";
+}
+
+static const struct {
+ enum ap_type type;
+ const char *description;
+} ap_types[] = {
+ { AP_TYPE_JTAG_AP, "JTAG-AP" },
+ { AP_TYPE_COM_AP, "COM-AP" },
+ { AP_TYPE_AHB3_AP, "MEM-AP AHB3" },
+ { AP_TYPE_APB_AP, "MEM-AP APB2 or APB3" },
+ { AP_TYPE_AXI_AP, "MEM-AP AXI3 or AXI4" },
+ { AP_TYPE_AHB5_AP, "MEM-AP AHB5" },
+ { AP_TYPE_APB4_AP, "MEM-AP APB4" },
+ { AP_TYPE_AXI5_AP, "MEM-AP AXI5" },
+ { AP_TYPE_AHB5H_AP, "MEM-AP AHB5 with enhanced HPROT" },
+};
+
+static const char *ap_type_to_description(enum ap_type type)
+{
+ for (unsigned int i = 0; i < ARRAY_SIZE(ap_types); i++)
+ if (type == ap_types[i].type)
+ return ap_types[i].description;
+
+ return "Unknown";
+}
+
/*
* This function checks the ID for each access port to find the requested Access Port type
*/
retval = dap_run(dap);
- /* IDR bits:
- * 31-28 : Revision
- * 27-24 : JEDEC bank (0x4 for ARM)
- * 23-17 : JEDEC code (0x3B for ARM)
- * 16-13 : Class (0b1000=Mem-AP)
- * 12-8 : Reserved
- * 7-4 : AP Variant (non-zero for JTAG-AP)
- * 3-0 : AP Type (0=JTAG-AP 1=AHB-AP 2=APB-AP 4=AXI-AP)
- */
-
/* Reading register for a non-existent AP should not cause an error,
* but just to be sure, try to continue searching if an error does happen.
*/
- if ((retval == ERROR_OK) && /* Register read success */
- ((id_val & IDR_JEP106) == IDR_JEP106_ARM) && /* Jedec codes match */
- ((id_val & IDR_TYPE) == type_to_find)) { /* type matches*/
-
+ if (retval == ERROR_OK && (id_val & AP_TYPE_MASK) == type_to_find) {
LOG_DEBUG("Found %s at AP index: %d (IDR=0x%08" PRIX32 ")",
- (type_to_find == AP_TYPE_AHB3_AP) ? "AHB3-AP" :
- (type_to_find == AP_TYPE_AHB5_AP) ? "AHB5-AP" :
- (type_to_find == AP_TYPE_APB_AP) ? "APB-AP" :
- (type_to_find == AP_TYPE_AXI_AP) ? "AXI-AP" :
- (type_to_find == AP_TYPE_JTAG_AP) ? "JTAG-AP" : "Unknown",
+ ap_type_to_description(type_to_find),
ap_num, id_val);
*ap_out = &dap->ap[ap_num];
}
}
- LOG_DEBUG("No %s found",
- (type_to_find == AP_TYPE_AHB3_AP) ? "AHB3-AP" :
- (type_to_find == AP_TYPE_AHB5_AP) ? "AHB5-AP" :
- (type_to_find == AP_TYPE_APB_AP) ? "APB-AP" :
- (type_to_find == AP_TYPE_AXI_AP) ? "AXI-AP" :
- (type_to_find == AP_TYPE_JTAG_AP) ? "JTAG-AP" : "Unknown");
+ LOG_DEBUG("No %s found", ap_type_to_description(type_to_find));
return ERROR_FAIL;
}
return ERROR_OK;
}
-static int dap_read_part_id(struct adiv5_ap *ap, target_addr_t component_base, uint32_t *cid, uint64_t *pid)
+/** Holds registers and coordinates of a CoreSight component */
+struct cs_component_vals {
+ struct adiv5_ap *ap;
+ target_addr_t component_base;
+ uint64_t pid;
+ uint32_t cid;
+ uint32_t devarch;
+ uint32_t devid;
+ uint32_t devtype_memtype;
+};
+
+/**
+ * Read the CoreSight registers needed during ROM Table Parsing (RTP).
+ *
+ * @param ap Pointer to AP containing the component.
+ * @param component_base On MEM-AP access method, base address of the component.
+ * @param v Pointer to the struct holding the value of registers.
+ *
+ * @return ERROR_OK on success, else a fault code.
+ */
+static int rtp_read_cs_regs(struct adiv5_ap *ap, target_addr_t component_base,
+ struct cs_component_vals *v)
{
assert(IS_ALIGNED(component_base, ARM_CS_ALIGN));
- assert(ap && cid && pid);
+ assert(ap && v);
uint32_t cid0, cid1, cid2, cid3;
uint32_t pid0, pid1, pid2, pid3, pid4;
- int retval;
+ int retval = ERROR_OK;
- /* IDs are in last 4K section */
- retval = mem_ap_read_u32(ap, component_base + ARM_CS_PIDR0, &pid0);
- if (retval != ERROR_OK)
- return retval;
- retval = mem_ap_read_u32(ap, component_base + ARM_CS_PIDR1, &pid1);
- if (retval != ERROR_OK)
- return retval;
- retval = mem_ap_read_u32(ap, component_base + ARM_CS_PIDR2, &pid2);
- if (retval != ERROR_OK)
- return retval;
- retval = mem_ap_read_u32(ap, component_base + ARM_CS_PIDR3, &pid3);
- if (retval != ERROR_OK)
- return retval;
- retval = mem_ap_read_u32(ap, component_base + ARM_CS_PIDR4, &pid4);
- if (retval != ERROR_OK)
- return retval;
- retval = mem_ap_read_u32(ap, component_base + ARM_CS_CIDR0, &cid0);
- if (retval != ERROR_OK)
- return retval;
- retval = mem_ap_read_u32(ap, component_base + ARM_CS_CIDR1, &cid1);
- if (retval != ERROR_OK)
- return retval;
- retval = mem_ap_read_u32(ap, component_base + ARM_CS_CIDR2, &cid2);
- if (retval != ERROR_OK)
- return retval;
- retval = mem_ap_read_u32(ap, component_base + ARM_CS_CIDR3, &cid3);
- if (retval != ERROR_OK)
- return retval;
+ v->ap = ap;
+ v->component_base = component_base;
- retval = dap_run(ap->dap);
- if (retval != ERROR_OK)
+ /* sort by offset to gain speed */
+
+ /*
+ * Registers DEVARCH, DEVID and DEVTYPE are valid on Class 0x9 devices
+ * only, but are at offset above 0xf00, so can be read on any device
+ * without triggering error. Read them for eventual use on Class 0x9.
+ */
+ if (retval == ERROR_OK)
+ retval = mem_ap_read_u32(ap, component_base + ARM_CS_C9_DEVARCH, &v->devarch);
+
+ if (retval == ERROR_OK)
+ retval = mem_ap_read_u32(ap, component_base + ARM_CS_C9_DEVID, &v->devid);
+
+ /* Same address as ARM_CS_C1_MEMTYPE */
+ if (retval == ERROR_OK)
+ retval = mem_ap_read_u32(ap, component_base + ARM_CS_C9_DEVTYPE, &v->devtype_memtype);
+
+ if (retval == ERROR_OK)
+ retval = mem_ap_read_u32(ap, component_base + ARM_CS_PIDR4, &pid4);
+
+ if (retval == ERROR_OK)
+ retval = mem_ap_read_u32(ap, component_base + ARM_CS_PIDR0, &pid0);
+ if (retval == ERROR_OK)
+ retval = mem_ap_read_u32(ap, component_base + ARM_CS_PIDR1, &pid1);
+ if (retval == ERROR_OK)
+ retval = mem_ap_read_u32(ap, component_base + ARM_CS_PIDR2, &pid2);
+ if (retval == ERROR_OK)
+ retval = mem_ap_read_u32(ap, component_base + ARM_CS_PIDR3, &pid3);
+
+ if (retval == ERROR_OK)
+ retval = mem_ap_read_u32(ap, component_base + ARM_CS_CIDR0, &cid0);
+ if (retval == ERROR_OK)
+ retval = mem_ap_read_u32(ap, component_base + ARM_CS_CIDR1, &cid1);
+ if (retval == ERROR_OK)
+ retval = mem_ap_read_u32(ap, component_base + ARM_CS_CIDR2, &cid2);
+ if (retval == ERROR_OK)
+ retval = mem_ap_read_u32(ap, component_base + ARM_CS_CIDR3, &cid3);
+
+ if (retval == ERROR_OK)
+ retval = dap_run(ap->dap);
+ if (retval != ERROR_OK) {
+ LOG_DEBUG("Failed read CoreSight registers");
return retval;
+ }
- *cid = (cid3 & 0xff) << 24
+ v->cid = (cid3 & 0xff) << 24
| (cid2 & 0xff) << 16
| (cid1 & 0xff) << 8
| (cid0 & 0xff);
- *pid = (uint64_t)(pid4 & 0xff) << 32
+ v->pid = (uint64_t)(pid4 & 0xff) << 32
| (pid3 & 0xff) << 24
| (pid2 & 0xff) << 16
| (pid1 & 0xff) << 8
* from chip observation (e.g. TI SDTI).
*/
-/* The legacy code only used the part number field to identify CoreSight peripherals.
- * This meant that the same part number from two different manufacturers looked the same.
- * It is desirable for all future additions to identify with both part number and JEP106.
- * "ANY_ID" is a wildcard (any JEP106) only to preserve legacy behavior for legacy entries.
- */
-
-#define ANY_ID 0x1000
-
-#define ARM_ID 0x23B
-
-static const struct {
+static const struct dap_part_nums {
uint16_t designer_id;
uint16_t part_num;
const char *type;
const char *full;
-} dap_partnums[] = {
+} dap_part_nums[] = {
{ ARM_ID, 0x000, "Cortex-M3 SCS", "(System Control Space)", },
{ ARM_ID, 0x001, "Cortex-M3 ITM", "(Instrumentation Trace Module)", },
{ ARM_ID, 0x002, "Cortex-M3 DWT", "(Data Watchpoint and Trace)", },
{ ARM_ID, 0x00c, "Cortex-M4 SCS", "(System Control Space)", },
{ ARM_ID, 0x00d, "CoreSight ETM11", "(Embedded Trace)", },
{ ARM_ID, 0x00e, "Cortex-M7 FPB", "(Flash Patch and Breakpoint)", },
+ { ARM_ID, 0x193, "SoC-600 TSGEN", "(Timestamp Generator)", },
{ ARM_ID, 0x470, "Cortex-M1 ROM", "(ROM Table)", },
{ ARM_ID, 0x471, "Cortex-M0 ROM", "(ROM Table)", },
{ ARM_ID, 0x490, "Cortex-A15 GIC", "(Generic Interrupt Controller)", },
+ { ARM_ID, 0x492, "Cortex-R52 GICD", "(Distributor)", },
+ { ARM_ID, 0x493, "Cortex-R52 GICR", "(Redistributor)", },
{ ARM_ID, 0x4a1, "Cortex-A53 ROM", "(v8 Memory Map ROM Table)", },
{ ARM_ID, 0x4a2, "Cortex-A57 ROM", "(ROM Table)", },
{ ARM_ID, 0x4a3, "Cortex-A53 ROM", "(v7 Memory Map ROM Table)", },
{ ARM_ID, 0x4aa, "Cortex-A35 ROM", "(v8 Memory Map ROM Table)", },
{ ARM_ID, 0x4af, "Cortex-A15 ROM", "(ROM Table)", },
{ ARM_ID, 0x4b5, "Cortex-R5 ROM", "(ROM Table)", },
+ { ARM_ID, 0x4b8, "Cortex-R52 ROM", "(ROM Table)", },
{ ARM_ID, 0x4c0, "Cortex-M0+ ROM", "(ROM Table)", },
{ ARM_ID, 0x4c3, "Cortex-M3 ROM", "(ROM Table)", },
{ ARM_ID, 0x4c4, "Cortex-M4 ROM", "(ROM Table)", },
{ ARM_ID, 0x9a9, "Cortex-M7 TPIU", "(Trace Port Interface Unit)", },
{ ARM_ID, 0x9ae, "Cortex-A17 PMU", "(Performance Monitor Unit)", },
{ ARM_ID, 0x9af, "Cortex-A15 PMU", "(Performance Monitor Unit)", },
+ { ARM_ID, 0x9b6, "Cortex-R52 PMU/CTI/ETM", "(Performance Monitor Unit/Cross Trigger/ETM)", },
{ ARM_ID, 0x9b7, "Cortex-R7 PMU", "(Performance Monitor Unit)", },
{ ARM_ID, 0x9d3, "Cortex-A53 PMU", "(Performance Monitor Unit)", },
{ ARM_ID, 0x9d7, "Cortex-A57 PMU", "(Performance Monitor Unit)", },
{ ARM_ID, 0x9d8, "Cortex-A72 PMU", "(Performance Monitor Unit)", },
{ ARM_ID, 0x9da, "Cortex-A35 PMU/CTI/ETM", "(Performance Monitor Unit/Cross Trigger/ETM)", },
+ { ARM_ID, 0x9e2, "SoC-600 APB-AP", "(APB4 Memory Access Port)", },
+ { ARM_ID, 0x9e3, "SoC-600 AHB-AP", "(AHB5 Memory Access Port)", },
+ { ARM_ID, 0x9e4, "SoC-600 AXI-AP", "(AXI Memory Access Port)", },
+ { ARM_ID, 0x9e5, "SoC-600 APv1 Adapter", "(Access Port v1 Adapter)", },
+ { ARM_ID, 0x9e6, "SoC-600 JTAG-AP", "(JTAG Access Port)", },
+ { ARM_ID, 0x9e7, "SoC-600 TPIU", "(Trace Port Interface Unit)", },
+ { ARM_ID, 0x9e8, "SoC-600 TMC ETR/ETS", "(Embedded Trace Router/Streamer)", },
+ { ARM_ID, 0x9e9, "SoC-600 TMC ETB", "(Embedded Trace Buffer)", },
+ { ARM_ID, 0x9ea, "SoC-600 TMC ETF", "(Embedded Trace FIFO)", },
+ { ARM_ID, 0x9eb, "SoC-600 ATB Funnel", "(Trace Funnel)", },
+ { ARM_ID, 0x9ec, "SoC-600 ATB Replicator", "(Trace Replicator)", },
+ { ARM_ID, 0x9ed, "SoC-600 CTI", "(Cross Trigger)", },
+ { ARM_ID, 0x9ee, "SoC-600 CATU", "(Address Translation Unit)", },
{ ARM_ID, 0xc05, "Cortex-A5 Debug", "(Debug Unit)", },
{ ARM_ID, 0xc07, "Cortex-A7 Debug", "(Debug Unit)", },
{ ARM_ID, 0xc08, "Cortex-A8 Debug", "(Debug Unit)", },
{ ARM_ID, 0xd07, "Cortex-A57 Debug", "(Debug Unit)", },
{ ARM_ID, 0xd08, "Cortex-A72 Debug", "(Debug Unit)", },
{ ARM_ID, 0xd0b, "Cortex-A76 Debug", "(Debug Unit)", },
+ { ARM_ID, 0xd0c, "Neoverse N1", "(Debug Unit)", },
+ { ARM_ID, 0xd13, "Cortex-R52 Debug", "(Debug Unit)", },
+ { ARM_ID, 0xd49, "Neoverse N2", "(Debug Unit)", },
+ { 0x017, 0x120, "TI SDTI", "(System Debug Trace Interface)", }, /* from OMAP3 memmap */
+ { 0x017, 0x343, "TI DAPCTL", "", }, /* from OMAP3 memmap */
{ 0x017, 0x9af, "MSP432 ROM", "(ROM Table)" },
{ 0x01f, 0xcd0, "Atmel CPU with DSU", "(CPU)" },
{ 0x041, 0x1db, "XMC4500 ROM", "(ROM Table)" },
{ 0x1eb, 0x211, "Tegra 210 ROM", "(ROM Table)", },
{ 0x1eb, 0x302, "Denver Debug", "(Debug Unit)", },
{ 0x1eb, 0x402, "Denver PMU", "(Performance Monitor Unit)", },
- /* legacy comment: 0x113: what? */
- { ANY_ID, 0x120, "TI SDTI", "(System Debug Trace Interface)", }, /* from OMAP3 memmap */
- { ANY_ID, 0x343, "TI DAPCTL", "", }, /* from OMAP3 memmap */
};
-static int dap_rom_display(struct command_invocation *cmd,
- struct adiv5_ap *ap, target_addr_t dbgbase, int depth)
+static const struct dap_part_nums *pidr_to_part_num(unsigned int designer_id, unsigned int part_num)
{
- int retval;
- uint64_t pid;
- uint32_t cid;
- char tabs[16] = "";
-
- if (depth > 16) {
- command_print(cmd, "\tTables too deep");
- return ERROR_FAIL;
- }
+ static const struct dap_part_nums unknown = {
+ .type = "Unrecognized",
+ .full = "",
+ };
- if (depth)
- snprintf(tabs, sizeof(tabs), "[L%02d] ", depth);
+ for (unsigned int i = 0; i < ARRAY_SIZE(dap_part_nums); i++)
+ if (dap_part_nums[i].designer_id == designer_id && dap_part_nums[i].part_num == part_num)
+ return &dap_part_nums[i];
- target_addr_t base_addr = dbgbase & 0xFFFFFFFFFFFFF000ull;
- command_print(cmd, "\t\tComponent base address " TARGET_ADDR_FMT, base_addr);
+ return &unknown;
+}
- retval = dap_read_part_id(ap, base_addr, &cid, &pid);
- if (retval != ERROR_OK) {
- command_print(cmd, "\t\tCan't read component, the corresponding core might be turned off");
- return ERROR_OK; /* Don't abort recursion */
+static int dap_devtype_display(struct command_invocation *cmd, uint32_t devtype)
+{
+ const char *major = "Reserved", *subtype = "Reserved";
+ const unsigned int minor = (devtype & ARM_CS_C9_DEVTYPE_SUB_MASK) >> ARM_CS_C9_DEVTYPE_SUB_SHIFT;
+ const unsigned int devtype_major = (devtype & ARM_CS_C9_DEVTYPE_MAJOR_MASK) >> ARM_CS_C9_DEVTYPE_MAJOR_SHIFT;
+ switch (devtype_major) {
+ 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;
+ case 3:
+ subtype = "Router";
+ 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;
+ case 6:
+ subtype = "Software";
+ 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;
+ case 3:
+ subtype = "Power Requestor";
+ 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;
+ case 4:
+ subtype = "Bus";
+ break;
+ case 5:
+ subtype = "Memory";
+ break;
+ }
+ break;
+ case 6:
+ major = "Performance Monitor";
+ 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;
+ case 5:
+ subtype = "Memory";
+ break;
+ }
+ break;
}
+ command_print(cmd, "\t\tType is 0x%02x, %s, %s",
+ devtype & ARM_CS_C9_DEVTYPE_MASK,
+ major, subtype);
+ return ERROR_OK;
+}
- if (!is_valid_arm_cs_cidr(cid)) {
- command_print(cmd, "\t\tInvalid CID 0x%08" PRIx32, cid);
- return ERROR_OK; /* Don't abort recursion */
- }
+/**
+ * Actions/operations to be executed while parsing ROM tables.
+ */
+struct rtp_ops {
+ /**
+ * Executed at the start of a new MEM-AP, typically to print the MEM-AP header.
+ * @param retval Error encountered while reading AP.
+ * @param ap Pointer to AP.
+ * @param dbgbase Value of MEM-AP Debug Base Address register.
+ * @param apid Value of MEM-AP IDR Identification Register.
+ * @param priv Pointer to private data.
+ * @return ERROR_OK on success, else a fault code.
+ */
+ int (*mem_ap_header)(int retval, struct adiv5_ap *ap, uint64_t dbgbase,
+ uint32_t apid, void *priv);
+ /**
+ * Executed when a CoreSight component is parsed, typically to print
+ * information on the component.
+ * @param retval Error encountered while reading component's registers.
+ * @param v Pointer to a container of the component's registers.
+ * @param depth The current depth level of ROM table.
+ * @param priv Pointer to private data.
+ * @return ERROR_OK on success, else a fault code.
+ */
+ int (*cs_component)(int retval, struct cs_component_vals *v, int depth, void *priv);
+ /**
+ * Executed for each entry of a ROM table, typically to print the entry
+ * and information about validity or end-of-table mark.
+ * @param retval Error encountered while reading the ROM table entry.
+ * @param depth The current depth level of ROM table.
+ * @param offset The offset of the entry in the ROM table.
+ * @param romentry The value of the ROM table entry.
+ * @param priv Pointer to private data.
+ * @return ERROR_OK on success, else a fault code.
+ */
+ int (*rom_table_entry)(int retval, int depth, unsigned int offset, uint32_t romentry,
+ void *priv);
+ /**
+ * Private data
+ */
+ void *priv;
+};
- /* component may take multiple 4K pages */
- uint32_t size = ARM_CS_PIDR_SIZE(pid);
- if (size > 0)
- command_print(cmd, "\t\tStart address " TARGET_ADDR_FMT, base_addr - 0x1000 * size);
+/**
+ * Wrapper around struct rtp_ops::mem_ap_header.
+ * Input parameter @a retval is propagated.
+ */
+static int rtp_ops_mem_ap_header(const struct rtp_ops *ops,
+ int retval, struct adiv5_ap *ap, uint64_t dbgbase, uint32_t apid)
+{
+ if (!ops->mem_ap_header)
+ return retval;
- command_print(cmd, "\t\tPeripheral ID 0x%010" PRIx64, pid);
+ int retval1 = ops->mem_ap_header(retval, ap, dbgbase, apid, ops->priv);
+ if (retval != ERROR_OK)
+ return retval;
+ return retval1;
+}
- uint8_t class = (cid & ARM_CS_CIDR_CLASS_MASK) >> ARM_CS_CIDR_CLASS_SHIFT;
- uint16_t part_num = ARM_CS_PIDR_PART(pid);
- uint16_t designer_id = ARM_CS_PIDR_DESIGNER(pid);
+/**
+ * Wrapper around struct rtp_ops::cs_component.
+ * Input parameter @a retval is propagated.
+ */
+static int rtp_ops_cs_component(const struct rtp_ops *ops,
+ int retval, struct cs_component_vals *v, int depth)
+{
+ if (!ops->cs_component)
+ return retval;
- if (pid & ARM_CS_PIDR_JEDEC) {
- /* JEP106 code */
- command_print(cmd, "\t\tDesigner is 0x%03" PRIx16 ", %s",
- designer_id, jep106_manufacturer(designer_id));
- } else {
- /* Legacy ASCII ID, clear invalid bits */
- designer_id &= 0x7f;
- command_print(cmd, "\t\tDesigner ASCII code 0x%02" PRIx16 ", %s",
- designer_id, designer_id == 0x41 ? "ARM" : "<unknown>");
- }
+ int retval1 = ops->cs_component(retval, v, depth, ops->priv);
+ if (retval != ERROR_OK)
+ return retval;
+ return retval1;
+}
- /* default values to be overwritten upon finding a match */
- const char *type = "Unrecognized";
- const char *full = "";
+/**
+ * Wrapper around struct rtp_ops::rom_table_entry.
+ * Input parameter @a retval is propagated.
+ */
+static int rtp_ops_rom_table_entry(const struct rtp_ops *ops,
+ int retval, int depth, unsigned int offset, uint32_t romentry)
+{
+ if (!ops->rom_table_entry)
+ return retval;
- /* search dap_partnums[] array for a match */
- for (unsigned entry = 0; entry < ARRAY_SIZE(dap_partnums); entry++) {
+ int retval1 = ops->rom_table_entry(retval, depth, offset, romentry, ops->priv);
+ if (retval != ERROR_OK)
+ return retval;
+ return retval1;
+}
- if ((dap_partnums[entry].designer_id != designer_id) && (dap_partnums[entry].designer_id != ANY_ID))
- continue;
+/* Broken ROM tables can have circular references. Stop after a while */
+#define ROM_TABLE_MAX_DEPTH (16)
- if (dap_partnums[entry].part_num != part_num)
- continue;
+static int rtp_cs_component(const struct rtp_ops *ops,
+ struct adiv5_ap *ap, target_addr_t dbgbase, int depth);
- type = dap_partnums[entry].type;
- full = dap_partnums[entry].full;
- break;
- }
+static int rtp_rom_loop(const struct rtp_ops *ops,
+ struct adiv5_ap *ap, target_addr_t base_address, int depth,
+ unsigned int max_entries)
+{
+ assert(IS_ALIGNED(base_address, ARM_CS_ALIGN));
- command_print(cmd, "\t\tPart is 0x%" PRIx16", %s %s", part_num, type, full);
- command_print(cmd, "\t\tComponent class is 0x%" PRIx8 ", %s", class, class_description[class]);
+ unsigned int offset = 0;
+ while (max_entries--) {
+ uint32_t romentry;
+ unsigned int saved_offset = offset;
- if (class == ARM_CS_CLASS_0X1_ROM_TABLE) {
- uint32_t memtype;
- retval = mem_ap_read_atomic_u32(ap, base_addr + ARM_CS_C1_MEMTYPE, &memtype);
+ int retval = mem_ap_read_atomic_u32(ap, base_address + offset, &romentry);
+ offset += 4;
if (retval != ERROR_OK)
- return retval;
-
- if (memtype & ARM_CS_C1_MEMTYPE_SYSMEM_MASK)
- command_print(cmd, "\t\tMEMTYPE system memory present on bus");
- else
- command_print(cmd, "\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) {
- uint32_t romentry;
- retval = mem_ap_read_atomic_u32(ap, base_addr | entry_offset, &romentry);
- if (retval != ERROR_OK)
- return retval;
- command_print(cmd, "\t%sROMTABLE[0x%x] = 0x%" PRIx32 "",
- tabs, entry_offset, romentry);
- if (romentry & ARM_CS_ROMENTRY_PRESENT) {
- /* Recurse. "romentry" is signed */
- retval = dap_rom_display(cmd, ap, base_addr + (int32_t)(romentry & ARM_CS_ROMENTRY_OFFSET_MASK),
- depth + 1);
- if (retval != ERROR_OK)
- return retval;
- } else if (romentry != 0) {
- command_print(cmd, "\t\tComponent not present");
- } else {
- command_print(cmd, "\t%s\tEnd of ROM table", tabs);
- break;
- }
- }
- } else if (class == ARM_CS_CLASS_0X9_CS_COMPONENT) {
- const char *major = "Reserved", *subtype = "Reserved";
+ LOG_DEBUG("Failed read ROM table entry");
- uint32_t devtype;
- retval = mem_ap_read_atomic_u32(ap, base_addr + ARM_CS_C9_DEVTYPE, &devtype);
+ retval = rtp_ops_rom_table_entry(ops, retval, depth, saved_offset, romentry);
if (retval != ERROR_OK)
return retval;
- unsigned int minor = (devtype & ARM_CS_C9_DEVTYPE_SUB_MASK) >> ARM_CS_C9_DEVTYPE_SUB_SHIFT;
- unsigned int devtype_major = (devtype & ARM_CS_C9_DEVTYPE_MAJOR_MASK) >> ARM_CS_C9_DEVTYPE_MAJOR_SHIFT;
- switch (devtype_major) {
- 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;
- case 3:
- subtype = "Router";
- 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;
- case 6:
- subtype = "Software";
- 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;
- case 3:
- subtype = "Power Requestor";
- 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;
- case 4:
- subtype = "Bus";
- break;
- case 5:
- subtype = "Memory";
- break;
- }
- break;
- case 6:
- major = "Performance Monitor";
- 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;
- case 5:
- subtype = "Memory";
- break;
- }
+
+ if (romentry == 0) {
+ /* End of ROM table */
break;
}
- command_print(cmd, "\t\tType is 0x%02x, %s, %s",
- devtype & ARM_CS_C9_DEVTYPE_MASK,
- major, subtype);
- /* REVISIT also show ARM_CS_C9_DEVID */
+
+ if (!(romentry & ARM_CS_ROMENTRY_PRESENT))
+ continue;
+
+ /* Recurse. "romentry" is signed */
+ target_addr_t component_base = base_address + (int32_t)(romentry & ARM_CS_ROMENTRY_OFFSET_MASK);
+ retval = rtp_cs_component(ops, ap, component_base, depth + 1);
+ if (retval != ERROR_OK) {
+ /* TODO: do we need to send an ABORT before continuing? */
+ LOG_DEBUG("Ignore error parsing CoreSight component");
+ continue;
+ }
+ }
+
+ return ERROR_OK;
+}
+
+static int rtp_cs_component(const struct rtp_ops *ops,
+ struct adiv5_ap *ap, target_addr_t base_address, int depth)
+{
+ struct cs_component_vals v;
+ int retval;
+
+ assert(IS_ALIGNED(base_address, ARM_CS_ALIGN));
+
+ if (depth > ROM_TABLE_MAX_DEPTH)
+ retval = ERROR_FAIL;
+ else
+ retval = rtp_read_cs_regs(ap, base_address, &v);
+
+ retval = rtp_ops_cs_component(ops, retval, &v, depth);
+ if (retval != ERROR_OK)
+ return ERROR_OK; /* Don't abort recursion */
+
+ if (!is_valid_arm_cs_cidr(v.cid))
+ return ERROR_OK; /* Don't abort recursion */
+
+ const unsigned int class = ARM_CS_CIDR_CLASS(v.cid);
+
+ if (class == ARM_CS_CLASS_0X1_ROM_TABLE)
+ return rtp_rom_loop(ops, ap, base_address, depth, 960);
+
+ if (class == ARM_CS_CLASS_0X9_CS_COMPONENT) {
+ if ((v.devarch & ARM_CS_C9_DEVARCH_PRESENT) == 0)
+ return ERROR_OK;
+
+ /* quit if not ROM table */
+ if ((v.devarch & DEVARCH_ID_MASK) != DEVARCH_ROM_C_0X9)
+ return ERROR_OK;
+
+ return rtp_rom_loop(ops, ap, base_address, depth, 512);
}
+ /* Class other than 0x1 and 0x9 */
return ERROR_OK;
}
-int dap_info_command(struct command_invocation *cmd,
- struct adiv5_ap *ap)
+static int rtp_ap(const struct rtp_ops *ops, struct adiv5_ap *ap)
{
int retval;
uint32_t apid;
target_addr_t dbgbase;
- target_addr_t dbgaddr;
- uint8_t mem_ap;
+ target_addr_t invalid_entry;
/* Now we read ROM table ID registers, ref. ARM IHI 0029B sec */
retval = dap_get_debugbase(ap, &dbgbase, &apid);
+ retval = rtp_ops_mem_ap_header(ops, retval, ap, dbgbase, apid);
if (retval != ERROR_OK)
return retval;
+ if (apid == 0)
+ return ERROR_FAIL;
+
+ /* NOTE: a MEM-AP may have a single CoreSight component that's
+ * not a ROM table ... or have no such components at all.
+ */
+ const unsigned int class = (apid & AP_REG_IDR_CLASS_MASK) >> AP_REG_IDR_CLASS_SHIFT;
+
+ if (class == AP_REG_IDR_CLASS_MEM_AP) {
+ if (is_64bit_ap(ap))
+ invalid_entry = 0xFFFFFFFFFFFFFFFFull;
+ else
+ invalid_entry = 0xFFFFFFFFul;
+
+ if (dbgbase != invalid_entry && (dbgbase & 0x3) != 0x2)
+ rtp_cs_component(ops, ap, dbgbase & 0xFFFFFFFFFFFFF000ull, 0);
+ }
+
+ return ERROR_OK;
+}
+
+/* Actions for command "dap info" */
+
+static int dap_info_mem_ap_header(int retval, struct adiv5_ap *ap,
+ target_addr_t dbgbase, uint32_t apid, void *priv)
+{
+ struct command_invocation *cmd = priv;
+ target_addr_t invalid_entry;
+
+ if (retval != ERROR_OK) {
+ command_print(cmd, "\t\tCan't read MEM-AP, the corresponding core might be turned off");
+ return retval;
+ }
+
command_print(cmd, "AP ID register 0x%8.8" PRIx32, apid);
if (apid == 0) {
command_print(cmd, "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, "\tType is JTAG-AP");
- break;
- case IDR_JEP106_ARM | AP_TYPE_AHB3_AP:
- command_print(cmd, "\tType is MEM-AP AHB3");
- break;
- case IDR_JEP106_ARM | AP_TYPE_AHB5_AP:
- command_print(cmd, "\tType is MEM-AP AHB5");
- break;
- case IDR_JEP106_ARM | AP_TYPE_APB_AP:
- command_print(cmd, "\tType is MEM-AP APB");
- break;
- case IDR_JEP106_ARM | AP_TYPE_AXI_AP:
- command_print(cmd, "\tType is MEM-AP AXI");
- break;
- default:
- command_print(cmd, "\tUnknown AP type");
- break;
- }
+ command_print(cmd, "\tType is %s", ap_type_to_description(apid & AP_TYPE_MASK));
/* NOTE: a MEM-AP may have a single CoreSight component that's
* not a ROM table ... or have no such components at all.
*/
- mem_ap = (apid & IDR_CLASS) == AP_CLASS_MEM_AP;
- if (mem_ap) {
+ const unsigned int class = (apid & AP_REG_IDR_CLASS_MASK) >> AP_REG_IDR_CLASS_SHIFT;
+
+ if (class == AP_REG_IDR_CLASS_MEM_AP) {
if (is_64bit_ap(ap))
- dbgaddr = 0xFFFFFFFFFFFFFFFFull;
+ invalid_entry = 0xFFFFFFFFFFFFFFFFull;
else
- dbgaddr = 0xFFFFFFFFul;
+ invalid_entry = 0xFFFFFFFFul;
command_print(cmd, "MEM-AP BASE " TARGET_ADDR_FMT, dbgbase);
- if (dbgbase == dbgaddr || (dbgbase & 0x3) == 0x2) {
+ if (dbgbase == invalid_entry || (dbgbase & 0x3) == 0x2) {
command_print(cmd, "\tNo ROM table present");
} else {
if (dbgbase & 0x01)
command_print(cmd, "\tValid ROM table present");
else
command_print(cmd, "\tROM table in legacy format");
+ }
+ }
+
+ return ERROR_OK;
+}
+
+static int dap_info_cs_component(int retval, struct cs_component_vals *v, int depth, void *priv)
+{
+ struct command_invocation *cmd = priv;
+
+ if (depth > ROM_TABLE_MAX_DEPTH) {
+ command_print(cmd, "\tTables too deep");
+ return ERROR_FAIL;
+ }
+
+ command_print(cmd, "\t\tComponent base address " TARGET_ADDR_FMT, v->component_base);
+
+ if (retval != ERROR_OK) {
+ command_print(cmd, "\t\tCan't read component, the corresponding core might be turned off");
+ return retval;
+ }
+
+ if (!is_valid_arm_cs_cidr(v->cid)) {
+ command_print(cmd, "\t\tInvalid CID 0x%08" PRIx32, v->cid);
+ return ERROR_OK; /* Don't abort recursion */
+ }
+
+ /* component may take multiple 4K pages */
+ uint32_t size = ARM_CS_PIDR_SIZE(v->pid);
+ if (size > 0)
+ command_print(cmd, "\t\tStart address " TARGET_ADDR_FMT, v->component_base - 0x1000 * size);
+
+ command_print(cmd, "\t\tPeripheral ID 0x%010" PRIx64, v->pid);
+
+ const unsigned int part_num = ARM_CS_PIDR_PART(v->pid);
+ unsigned int designer_id = ARM_CS_PIDR_DESIGNER(v->pid);
+
+ if (v->pid & ARM_CS_PIDR_JEDEC) {
+ /* JEP106 code */
+ command_print(cmd, "\t\tDesigner is 0x%03x, %s",
+ designer_id, jep106_manufacturer(designer_id));
+ } else {
+ /* Legacy ASCII ID, clear invalid bits */
+ designer_id &= 0x7f;
+ command_print(cmd, "\t\tDesigner ASCII code 0x%02x, %s",
+ designer_id, designer_id == 0x41 ? "ARM" : "<unknown>");
+ }
+
+ const struct dap_part_nums *partnum = pidr_to_part_num(designer_id, part_num);
+ command_print(cmd, "\t\tPart is 0x%03x, %s %s", part_num, partnum->type, partnum->full);
+
+ const unsigned int class = ARM_CS_CIDR_CLASS(v->cid);
+ command_print(cmd, "\t\tComponent class is 0x%x, %s", class, class_description[class]);
+
+ if (class == ARM_CS_CLASS_0X1_ROM_TABLE) {
+ if (v->devtype_memtype & ARM_CS_C1_MEMTYPE_SYSMEM_MASK)
+ command_print(cmd, "\t\tMEMTYPE system memory present on bus");
+ else
+ command_print(cmd, "\t\tMEMTYPE system memory not present: dedicated debug bus");
+ return ERROR_OK;
+ }
+
+ if (class == ARM_CS_CLASS_0X9_CS_COMPONENT) {
+ dap_devtype_display(cmd, v->devtype_memtype);
+
+ /* REVISIT also show ARM_CS_C9_DEVID */
+
+ if ((v->devarch & ARM_CS_C9_DEVARCH_PRESENT) == 0)
+ return ERROR_OK;
+
+ unsigned int architect_id = ARM_CS_C9_DEVARCH_ARCHITECT(v->devarch);
+ unsigned int revision = ARM_CS_C9_DEVARCH_REVISION(v->devarch);
+ command_print(cmd, "\t\tDev Arch is 0x%08" PRIx32 ", %s \"%s\" rev.%u", v->devarch,
+ jep106_manufacturer(architect_id), class0x9_devarch_description(v->devarch),
+ revision);
+
+ if ((v->devarch & DEVARCH_ID_MASK) == DEVARCH_ROM_C_0X9) {
+ command_print(cmd, "\t\tType is ROM table");
- dap_rom_display(cmd, ap, dbgbase & 0xFFFFFFFFFFFFF000ull, 0);
+ if (v->devid & ARM_CS_C9_DEVID_SYSMEM_MASK)
+ command_print(cmd, "\t\tMEMTYPE system memory present on bus");
+ else
+ command_print(cmd, "\t\tMEMTYPE system memory not present: dedicated debug bus");
}
+ return ERROR_OK;
}
+ /* Class other than 0x1 and 0x9 */
return ERROR_OK;
}
+static int dap_info_rom_table_entry(int retval, int depth,
+ unsigned int offset, uint32_t romentry, void *priv)
+{
+ struct command_invocation *cmd = priv;
+ char tabs[16] = "";
+
+ if (depth)
+ snprintf(tabs, sizeof(tabs), "[L%02d] ", depth);
+
+ if (retval != ERROR_OK) {
+ command_print(cmd, "\t%sROMTABLE[0x%x] Read error", tabs, offset);
+ command_print(cmd, "\t\tUnable to continue");
+ command_print(cmd, "\t%s\tStop parsing of ROM table", tabs);
+ return retval;
+ }
+
+ command_print(cmd, "\t%sROMTABLE[0x%x] = 0x%08" PRIx32,
+ tabs, offset, romentry);
+
+ if (romentry == 0) {
+ command_print(cmd, "\t%s\tEnd of ROM table", tabs);
+ return ERROR_OK;
+ }
+
+ if (!(romentry & ARM_CS_ROMENTRY_PRESENT)) {
+ command_print(cmd, "\t\tComponent not present");
+ return ERROR_OK;
+ }
+
+ return ERROR_OK;
+}
+
+int dap_info_command(struct command_invocation *cmd, struct adiv5_ap *ap)
+{
+ struct rtp_ops dap_info_ops = {
+ .mem_ap_header = dap_info_mem_ap_header,
+ .cs_component = dap_info_cs_component,
+ .rom_table_entry = dap_info_rom_table_entry,
+ .priv = cmd,
+ };
+
+ return rtp_ap(&dap_info_ops, ap);
+}
+
enum adiv5_cfg_param {
CFG_DAP,
CFG_AP_NUM,
Code Review / openocd.git / blobdiff