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Merge pull request #690 from themadinventor/arm_v8m 

Add ROM table support for Cortex-M33 and Cortex-M23
This commit is contained in:
UweBonnes 2020-07-13 10:56:03 +02:00 committed by GitHub
parent a673efc26b 7ebb94d134
commit 2ae62433d2
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 142 additions and 70 deletions
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163
src/target/adiv5.c
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@ -106,6 +106,13 @@ static const char * const cidc_debug_strings[] =
#define PIDR_PN_MASK 0x000000FFFULL /* Part number bits. */
#define PIDR_ARM_BITS 0x4000BB000ULL /* These make up the ARM JEP-106 code. */
#define DEVTYPE_OFFSET 0xFCC /* CoreSight Device Type Register */
#define DEVARCH_OFFSET 0xFBC /* CoreSight Device Architecture Register */
#define DEVTYPE_MASK 0x000000FF
#define DEVARCH_PRESENT (1u << 20)
#define DEVARCH_ARCHID_MASK 0x0000FFFF
enum arm_arch {
aa_nosupport,
aa_cortexm,
@ -152,9 +159,20 @@ enum arm_arch {
*
* We left out some of the Part numbers included in OpenOCD, we only include
* the ones that have ARM as the designer.
*
* To properly identify ADIv6 CoreSight components, two additional fields,
* DEVTYPE and ARCHID are read.
* The dev_type and arch_id values in the table below were found in the
* corresponding logic in pyOCD:
* https://github.com/mbedmicro/pyOCD/blob/master/pyocd/coresight/component_ids.py
*
* Additional reference on the DEVTYPE and DEVARCH registers can be found in the
* ARM CoreSight Architecture Specification v3.0, sections B2.3.4 and B2.3.8.
*/
static const struct {
uint16_t part_number;
uint8_t dev_type;
uint16_t arch_id;
enum arm_arch arch;
enum cid_class cidc;
#ifdef ENABLE_DEBUG
@ -162,59 +180,73 @@ static const struct {
const char *full;
#endif
} pidr_pn_bits[] = {
{0x000, aa_cortexm, cidc_gipc, PIDR_PN_BIT_STRINGS("Cortex-M3 SCS", "(System Control Space)")},
{0x001, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M3 ITM", "(Instrumentation Trace Module)")},
{0x002, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M3 DWT", "(Data Watchpoint and Trace)")},
{0x003, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M3 FBP", "(Flash Patch and Breakpoint)")},
{0x008, aa_cortexm, cidc_gipc, PIDR_PN_BIT_STRINGS("Cortex-M0 SCS", "(System Control Space)")},
{0x00a, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M0 DWT", "(Data Watchpoint and Trace)")},
{0x00b, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M0 BPU", "(Breakpoint Unit)")},
{0x00c, aa_cortexm, cidc_gipc, PIDR_PN_BIT_STRINGS("Cortex-M4 SCS", "(System Control Space)")},
{0x00d, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight ETM11", "(Embedded Trace)")},
{0x00e, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M7 FBP", "(Flash Patch and Breakpoint)")},
{0x101, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("System TSGEN", "(Time Stamp Generator)")},
{0x490, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A15 GIC", "(Generic Interrupt Controller)")},
{0x4c7, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M7 PPB", "(Private Peripheral Bus ROM Table)")},
{0x906, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight CTI", "(Cross Trigger)")},
{0x907, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight ETB", "(Trace Buffer)")},
{0x908, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight CSTF", "(Trace Funnel)")},
{0x910, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight ETM9", "(Embedded Trace)")},
{0x912, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight TPIU", "(Trace Port Interface Unit)")},
{0x913, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight ITM", "(Instrumentation Trace Macrocell)")},
{0x914, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight SWO", "(Single Wire Output)")},
{0x917, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight HTM", "(AHB Trace Macrocell)")},
{0x920, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight ETM11", "(Embedded Trace)")},
{0x921, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A8 ETM", "(Embedded Trace)")},
{0x922, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A8 CTI", "(Cross Trigger)")},
{0x923, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M3 TPIU", "(Trace Port Interface Unit)")},
{0x924, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M3 ETM", "(Embedded Trace)")},
{0x925, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M4 ETM", "(Embedded Trace)")},
{0x930, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-R4 ETM", "(Embedded Trace)")},
{0x932, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight MTB-M0+", "(Simple Execution Trace)")},
{0x941, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight TPIU-Lite", "(Trace Port Interface Unit)")},
{0x950, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight Component", "(unidentified Cortex-A9 component)")},
{0x955, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight Component", "(unidentified Cortex-A5 component)")},
{0x956, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A7 ETM", "(Embedded Trace)")},
{0x95f, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A15 PTM", "(Program Trace Macrocell)")},
{0x961, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight TMC", "(Trace Memory Controller)")},
{0x962, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight STM", "(System Trace Macrocell)")},
{0x963, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight STM", "(System Trace Macrocell)")},
{0x975, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M7 ETM", "(Embedded Trace)")},
{0x9a0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight PMU", "(Performance Monitoring Unit)")},
{0x9a1, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M4 TPIU", "(Trace Port Interface Unit)")},
{0x9a9, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M7 TPIU", "(Trace Port Interface Unit)")},
{0x9a5, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A5 ETM", "(Embedded Trace)")},
{0x9a7, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A7 PMU", "(Performance Monitor Unit)")},
{0x9af, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A15 PMU", "(Performance Monitor Unit)")},
{0xc05, aa_cortexa, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-A5 Debug", "(Debug Unit)")},
{0xc07, aa_cortexa, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-A7 Debug", "(Debug Unit)")},
{0xc08, aa_cortexa, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-A8 Debug", "(Debug Unit)")},
{0xc09, aa_cortexa, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-A9 Debug", "(Debug Unit)")},
{0xc0f, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A15 Debug", "(Debug Unit)")}, /* support? */
{0xc14, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-R4 Debug", "(Debug Unit)")}, /* support? */
{0xcd0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Atmel DSU", "(Device Service Unit)")},
{0xd21, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M33", "()")}, /* support? */
{0xfff, aa_end, cidc_unknown, PIDR_PN_BIT_STRINGS("end", "end")}
{0x000, 0x00, 0, aa_cortexm, cidc_gipc, PIDR_PN_BIT_STRINGS("Cortex-M3 SCS", "(System Control Space)")},
{0x001, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M3 ITM", "(Instrumentation Trace Module)")},
{0x002, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M3 DWT", "(Data Watchpoint and Trace)")},
{0x003, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M3 FBP", "(Flash Patch and Breakpoint)")},
{0x008, 0x00, 0, aa_cortexm, cidc_gipc, PIDR_PN_BIT_STRINGS("Cortex-M0 SCS", "(System Control Space)")},
{0x00a, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M0 DWT", "(Data Watchpoint and Trace)")},
{0x00b, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M0 BPU", "(Breakpoint Unit)")},
{0x00c, 0x00, 0, aa_cortexm, cidc_gipc, PIDR_PN_BIT_STRINGS("Cortex-M4 SCS", "(System Control Space)")},
{0x00d, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight ETM11", "(Embedded Trace)")},
{0x00e, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M7 FBP", "(Flash Patch and Breakpoint)")},
{0x101, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("System TSGEN", "(Time Stamp Generator)")},
{0x490, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A15 GIC", "(Generic Interrupt Controller)")},
{0x4c7, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M7 PPB", "(Private Peripheral Bus ROM Table)")},
{0x906, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight CTI", "(Cross Trigger)")},
{0x907, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight ETB", "(Trace Buffer)")},
{0x908, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight CSTF", "(Trace Funnel)")},
{0x910, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight ETM9", "(Embedded Trace)")},
{0x912, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight TPIU", "(Trace Port Interface Unit)")},
{0x913, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight ITM", "(Instrumentation Trace Macrocell)")},
{0x914, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight SWO", "(Single Wire Output)")},
{0x917, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight HTM", "(AHB Trace Macrocell)")},
{0x920, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight ETM11", "(Embedded Trace)")},
{0x921, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A8 ETM", "(Embedded Trace)")},
{0x922, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A8 CTI", "(Cross Trigger)")},
{0x923, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M3 TPIU", "(Trace Port Interface Unit)")},
{0x924, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M3 ETM", "(Embedded Trace)")},
{0x925, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M4 ETM", "(Embedded Trace)")},
{0x930, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-R4 ETM", "(Embedded Trace)")},
{0x932, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight MTB-M0+", "(Simple Execution Trace)")},
{0x941, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight TPIU-Lite", "(Trace Port Interface Unit)")},
{0x950, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight Component", "(unidentified Cortex-A9 component)")},
{0x955, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight Component", "(unidentified Cortex-A5 component)")},
{0x956, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A7 ETM", "(Embedded Trace)")},
{0x95f, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A15 PTM", "(Program Trace Macrocell)")},
{0x961, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight TMC", "(Trace Memory Controller)")},
{0x962, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight STM", "(System Trace Macrocell)")},
{0x963, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight STM", "(System Trace Macrocell)")},
{0x975, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M7 ETM", "(Embedded Trace)")},
{0x9a0, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("CoreSight PMU", "(Performance Monitoring Unit)")},
{0x9a1, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M4 TPIU", "(Trace Port Interface Unit)")},
{0x9a9, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-M7 TPIU", "(Trace Port Interface Unit)")},
{0x9a5, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A5 ETM", "(Embedded Trace)")},
{0x9a7, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A7 PMU", "(Performance Monitor Unit)")},
{0x9af, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A15 PMU", "(Performance Monitor Unit)")},
{0xc05, 0x00, 0, aa_cortexa, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-A5 Debug", "(Debug Unit)")},
{0xc07, 0x00, 0, aa_cortexa, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-A7 Debug", "(Debug Unit)")},
{0xc08, 0x00, 0, aa_cortexa, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-A8 Debug", "(Debug Unit)")},
{0xc09, 0x00, 0, aa_cortexa, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-A9 Debug", "(Debug Unit)")},
{0xc0f, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-A15 Debug", "(Debug Unit)")}, /* support? */
{0xc14, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Cortex-R4 Debug", "(Debug Unit)")}, /* support? */
{0xcd0, 0x00, 0, aa_nosupport, cidc_unknown, PIDR_PN_BIT_STRINGS("Atmel DSU", "(Device Service Unit)")},
{0xd20, 0x00, 0x2a04, aa_cortexm, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M23", "(System Control Space)")},
{0xd20, 0x11, 0, aa_nosupport, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M23", "(Trace Port Interface Unit)")},
{0xd20, 0x13, 0, aa_nosupport, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M23", "(Embedded Trace)")},
{0xd20, 0x31, 0x0a31, aa_nosupport, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M23", "(Micro Trace Buffer)")},
{0xd20, 0x00, 0x1a02, aa_nosupport, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M23", "(Data Watchpoint and Trace)")},
{0xd20, 0x00, 0x1a03, aa_nosupport, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M23", "(Breakpoint Unit)")},
{0xd20, 0x14, 0x1a14, aa_nosupport, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M23", "(Cross Trigger)")},
{0xd21, 0x00, 0x2a04, aa_cortexm, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M33", "(System Control Space)")},
{0xd21, 0x31, 0x0a31, aa_nosupport, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M33", "(Micro Trace Buffer)")},
{0xd21, 0x43, 0x1a01, aa_nosupport, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M33", "(Instrumentation Trace Macrocell)")},
{0xd21, 0x00, 0x1a02, aa_nosupport, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M33", "(Data Watchpoint and Trace)")},
{0xd21, 0x00, 0x1a03, aa_nosupport, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M33", "(Breakpoint Unit)")},
{0xd21, 0x14, 0x1a14, aa_nosupport, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M33", "(Cross Trigger)")},
{0xd21, 0x13, 0x4a13, aa_nosupport, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M33", "(Embedded Trace)")},
{0xd21, 0x11, 0, aa_nosupport, cidc_dc, PIDR_PN_BIT_STRINGS("Cortex-M33", "(Trace Port Interface Unit)")},
{0xfff, 0x00, 0, aa_end, cidc_unknown, PIDR_PN_BIT_STRINGS("end", "end")}
};
extern bool cortexa_probe(ADIv5_AP_t *apb, uint32_t debug_base);
@ -347,6 +379,19 @@ static bool adiv5_component_probe(ADIv5_AP_t *ap, uint32_t addr, int recursion,
return false;
}
/* ADIv6: For CoreSight components, read DEVTYPE and ARCHID */
uint16_t arch_id = 0;
uint8_t dev_type = 0;
if (cid_class == cidc_dc) {
dev_type = adiv5_mem_read32(ap, addr + DEVTYPE_OFFSET) & DEVTYPE_MASK;
uint32_t devarch = adiv5_mem_read32(ap, addr + DEVARCH_OFFSET);
if (devarch & DEVARCH_PRESENT) {
arch_id = devarch & DEVARCH_ARCHID_MASK;
}
}
/* Extract part number from the part id register. */
uint16_t part_number = pidr & PIDR_PN_MASK;
/* Find the part number in our part list and run the appropriate probe
@ -354,13 +399,15 @@ static bool adiv5_component_probe(ADIv5_AP_t *ap, uint32_t addr, int recursion,
*/
int i;
for (i = 0; pidr_pn_bits[i].arch != aa_end; i++) {
if (pidr_pn_bits[i].part_number == part_number) {
if ((pidr_pn_bits[i].part_number == part_number)
&& (pidr_pn_bits[i].dev_type == dev_type)
&& (pidr_pn_bits[i].arch_id == arch_id)) {
DEBUG_INFO("%s%d 0x%" PRIx32 ": %s - %s %s (PIDR = 0x%02" PRIx32
"%08" PRIx32 ")",
"%08" PRIx32 " DEVTYPE = 0x%02" PRIx32 " ARCHID = 0x%04" PRIx16 ")",
indent + 1, num_entry, addr,
cidc_debug_strings[cid_class],
pidr_pn_bits[i].type, pidr_pn_bits[i].full,
(uint32_t)(pidr >> 32), (uint32_t)pidr);
(uint32_t)(pidr >> 32), (uint32_t)pidr, dev_type, arch_id);
/* Perform sanity check, if we know what to expect as
* component ID class.
*/
@ -390,9 +437,9 @@ static bool adiv5_component_probe(ADIv5_AP_t *ap, uint32_t addr, int recursion,
}
if (pidr_pn_bits[i].arch == aa_end) {
DEBUG_WARN("%s0x%" PRIx32 ": %s - Unknown (PIDR = 0x%02" PRIx32
"%08" PRIx32 ")\n",
"%08" PRIx32 " DEVTYPE = 0x%02" PRIx32 " ARCHID = 0x%04" PRIx16 ")\n",
indent, addr, cidc_debug_strings[cid_class],
(uint32_t)(pidr >> 32), (uint32_t)pidr);
(uint32_t)(pidr >> 32), (uint32_t)pidr, dev_type, arch_id);
}
}
return res;

48
src/target/cortexm.c
View File

@ -269,16 +269,17 @@ static bool cortexm_forced_halt(target *t)
platform_srst_set_val(false);
uint32_t dhcsr = 0;
uint32_t start_time = platform_time_ms();
const uint32_t dhcsr_halted_bits = CORTEXM_DHCSR_S_HALT | CORTEXM_DHCSR_S_REGRDY |
CORTEXM_DHCSR_C_HALT | CORTEXM_DHCSR_C_DEBUGEN;
/* Try hard to halt the target. STM32F7 in WFI
needs multiple writes!*/
while (platform_time_ms() < start_time + cortexm_wait_timeout) {
dhcsr = target_mem_read32(t, CORTEXM_DHCSR);
if (dhcsr == (CORTEXM_DHCSR_S_HALT | CORTEXM_DHCSR_S_REGRDY |
CORTEXM_DHCSR_C_HALT | CORTEXM_DHCSR_C_DEBUGEN))
if ((dhcsr & dhcsr_halted_bits) == dhcsr_halted_bits)
break;
target_halt_request(t);
}
if (dhcsr != 0x00030003)
if ((dhcsr & dhcsr_halted_bits) != dhcsr_halted_bits)
return false;
return true;
}
@ -293,7 +294,6 @@ bool cortexm_probe(ADIv5_AP_t *ap, bool forced)
}
adiv5_ap_ref(ap);
uint32_t identity = ap->idr & 0xff;
struct cortexm_priv *priv = calloc(1, sizeof(*priv));
if (!priv) { /* calloc failed: heap exhaustion */
DEBUG_WARN("calloc: failed in %s\n", __func__);
@ -309,18 +309,42 @@ bool cortexm_probe(ADIv5_AP_t *ap, bool forced)
t->mem_write = cortexm_mem_write;
t->driver = cortexm_driver_str;
switch (identity) {
case 0x11: /* M3/M4 */
t->core = "M3/M4";
/* The CPUID register is defined in the ARMv7-M and ARMv8-M
* architecture manuals. The PARTNO field is implementation defined,
* that is, the actual values are found in the Technical Reference Manual
* for each Cortex-M core.
*/
uint32_t cpuid = target_mem_read32(t, CORTEXM_CPUID);
uint16_t partno = (cpuid >> 4) & 0xfff;
switch (partno) {
case 0xd21:
t->core = "M33";
break;
case 0x21: /* M0 */
t->core = "M0";
case 0xd20:
t->core = "M23";
break;
case 0x31: /* M0+ */
case 0xc23:
t->core = "M3";
break;
case 0xc24:
t->core = "M4";
break;
case 0xc27:
t->core = "M7";
break;
case 0xc60:
t->core = "M0+";
break;
case 0x01: /* M7 */
t->core = "M7";
case 0xc20:
t->core = "M0";
break;
}

1
src/target/cortexm.h
View File

@ -28,6 +28,7 @@ extern long cortexm_wait_timeout;
#define CORTEXM_SCS_BASE (CORTEXM_PPB_BASE + 0xE000)
#define CORTEXM_CPUID (CORTEXM_SCS_BASE + 0xD00)
#define CORTEXM_AIRCR (CORTEXM_SCS_BASE + 0xD0C)
#define CORTEXM_CFSR (CORTEXM_SCS_BASE + 0xD28)
#define CORTEXM_HFSR (CORTEXM_SCS_BASE + 0xD2C)