#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <sys/mman.h>
-
+#include "mmap.h"
#include "stlink-common.h"
#include "uglylogging.h"
static inline uint32_t read_flash_cr(stlink_t *sl) {
uint32_t res;
- if(sl->chip_id==STM32F4_CHIP_ID)
+ if((sl->chip_id==STM32_CHIPID_F2) ||(sl->chip_id==STM32_CHIPID_F4))
res = stlink_read_debug32(sl, FLASH_F4_CR);
else
res = stlink_read_debug32(sl, FLASH_CR);
static inline unsigned int is_flash_locked(stlink_t *sl) {
/* return non zero for true */
- if(sl->chip_id==STM32F4_CHIP_ID)
+ if((sl->chip_id == STM32_CHIPID_F2) ||(sl->chip_id == STM32_CHIPID_F4))
return read_flash_cr(sl) & (1 << FLASH_F4_CR_LOCK);
else
return read_flash_cr(sl) & (1 << FLASH_CR_LOCK);
an invalid sequence results in a definitive lock of
the FPEC block until next reset.
*/
- if(sl->chip_id==STM32F4_CHIP_ID) {
+ if((sl->chip_id == STM32_CHIPID_F2) ||(sl->chip_id == STM32_CHIPID_F4)) {
stlink_write_debug32(sl, FLASH_F4_KEYR, FLASH_KEY1);
stlink_write_debug32(sl, FLASH_F4_KEYR, FLASH_KEY2);
}
}
static void lock_flash(stlink_t *sl) {
- if(sl->chip_id==STM32F4_CHIP_ID) {
+ if((sl->chip_id == STM32_CHIPID_F2) ||(sl->chip_id == STM32_CHIPID_F4)) {
const uint32_t n = read_flash_cr(sl) | (1 << FLASH_F4_CR_LOCK);
stlink_write_debug32(sl, FLASH_F4_CR, n);
}
static void set_flash_cr_pg(stlink_t *sl) {
- if(sl->chip_id==STM32F4_CHIP_ID) {
+ if((sl->chip_id == STM32_CHIPID_F2) ||(sl->chip_id == STM32_CHIPID_F4)) {
uint32_t x = read_flash_cr(sl);
x |= (1 << FLASH_CR_PG);
stlink_write_debug32(sl, FLASH_F4_CR, x);
static void __attribute__((unused)) clear_flash_cr_pg(stlink_t *sl) {
const uint32_t n = read_flash_cr(sl) & ~(1 << FLASH_CR_PG);
- if(sl->chip_id==STM32F4_CHIP_ID)
+ if((sl->chip_id == STM32_CHIPID_F2) ||(sl->chip_id == STM32_CHIPID_F4))
stlink_write_debug32(sl, FLASH_F4_CR, n);
else
stlink_write_debug32(sl, FLASH_CR, n);
}
static void set_flash_cr_mer(stlink_t *sl) {
- if(sl->chip_id == STM32F4_CHIP_ID)
+ if((sl->chip_id == STM32_CHIPID_F2) ||(sl->chip_id == STM32_CHIPID_F4))
stlink_write_debug32(sl, FLASH_F4_CR,
stlink_read_debug32(sl, FLASH_F4_CR) | (1 << FLASH_CR_MER));
else
}
static void __attribute__((unused)) clear_flash_cr_mer(stlink_t *sl) {
- if(sl->chip_id == STM32F4_CHIP_ID)
+ if((sl->chip_id == STM32_CHIPID_F2) ||(sl->chip_id == STM32_CHIPID_F4))
stlink_write_debug32(sl, FLASH_F4_CR,
stlink_read_debug32(sl, FLASH_F4_CR) & ~(1 << FLASH_CR_MER));
else
}
static void set_flash_cr_strt(stlink_t *sl) {
- if(sl->chip_id == STM32F4_CHIP_ID)
+ if((sl->chip_id == STM32_CHIPID_F2) ||(sl->chip_id == STM32_CHIPID_F4))
{
uint32_t x = read_flash_cr(sl);
x |= (1 << FLASH_F4_CR_STRT);
static inline uint32_t read_flash_sr(stlink_t *sl) {
uint32_t res;
- if(sl->chip_id==STM32F4_CHIP_ID)
+ if((sl->chip_id == STM32_CHIPID_F2) ||(sl->chip_id == STM32_CHIPID_F4))
res = stlink_read_debug32(sl, FLASH_F4_SR);
else
res = stlink_read_debug32(sl, FLASH_SR);
}
static inline unsigned int is_flash_busy(stlink_t *sl) {
- if(sl->chip_id==STM32F4_CHIP_ID)
+ if((sl->chip_id == STM32_CHIPID_F2) ||(sl->chip_id == STM32_CHIPID_F4))
return read_flash_sr(sl) & (1 << FLASH_F4_SR_BSY);
else
return read_flash_sr(sl) & (1 << FLASH_SR_BSY);
uint32_t stlink_chip_id(stlink_t *sl) {
uint32_t chip_id = stlink_read_debug32(sl, 0xE0042000);
+ if (chip_id == 0) chip_id = stlink_read_debug32(sl, 0x40015800); //Try Corex M0 DBGMCU_IDCODE register address
return chip_id;
}
// read flash size from hardware, if possible...
if (sl->chip_id == STM32_CHIPID_F2) {
- sl->flash_size = 0; // FIXME - need to work this out some other way, just set to max possible?
+ sl->flash_size = 0x100000; /* Use maximum, User must care!*/
} else if (sl->chip_id == STM32_CHIPID_F4) {
sl->flash_size = 0x100000; //todo: RM0090 error; size register same address as unique ID
} else {
sl->backend->read_all_regs(sl, regp);
}
+void stlink_read_all_unsupported_regs(stlink_t *sl, reg *regp) {
+ DLOG("*** stlink_read_all_unsupported_regs ***\n");
+ sl->backend->read_all_unsupported_regs(sl, regp);
+}
+
void stlink_write_reg(stlink_t *sl, uint32_t reg, int idx) {
DLOG("*** stlink_write_reg\n");
sl->backend->write_reg(sl, reg, idx);
sl->backend->read_reg(sl, r_idx, regp);
}
+void stlink_read_unsupported_reg(stlink_t *sl, int r_idx, reg *regp) {
+ int r_convert;
+
+ DLOG("*** stlink_read_unsupported_reg\n");
+ DLOG(" (%d) ***\n", r_idx);
+
+ /* Convert to values used by DCRSR */
+ if (r_idx >= 0x1C && r_idx <= 0x1F) { /* primask, basepri, faultmask, or control */
+ r_convert = 0x14;
+ } else if (r_idx == 0x40) { /* FPSCR */
+ r_convert = 0x21;
+ } else if (r_idx >= 0x20 && r_idx < 0x40) {
+ r_convert = 0x40 + (r_idx - 0x20);
+ } else {
+ fprintf(stderr, "Error: register address must be in [0x1C..0x40]\n");
+ return;
+ }
+
+ sl->backend->read_unsupported_reg(sl, r_convert, regp);
+}
+
unsigned int is_core_halted(stlink_t *sl) {
/* return non zero if core is halted */
stlink_status(sl);
}
uint32_t stlink_calculate_pagesize(stlink_t *sl, uint32_t flashaddr){
- if(sl->chip_id == STM32F4_CHIP_ID) {
+ if((sl->chip_id == STM32_CHIPID_F2) ||(sl->chip_id == STM32_CHIPID_F4)) {
uint32_t sector=calculate_F4_sectornum(flashaddr);
if (sector<4) sl->flash_pgsz=0x4000;
else if(sector<5) sl->flash_pgsz=0x10000;
*/
int stlink_erase_flash_page(stlink_t *sl, stm32_addr_t flashaddr)
{
- if (sl->chip_id == STM32F4_CHIP_ID)
+ if ((sl->chip_id == STM32_CHIPID_F2) ||(sl->chip_id == STM32_CHIPID_F4))
{
/* wait for ongoing op to finish */
wait_flash_busy(sl);
fprintf(stdout, "Erase Final CR:0x%x\n", read_flash_cr(sl));
#endif
}
- else if (sl->core_id == STM32L_CORE_ID)
+ else if (sl->chip_id == STM32_CHIPID_L1_MEDIUM)
{
uint32_t val;
0x00, 0xbe
};
+ static const uint8_t loader_code_stm32f4[] = {
+ // flashloaders/stm32f4.s
+
+ 0x07, 0x4b,
+
+ 0x62, 0xb1,
+ 0x04, 0x68,
+ 0x0c, 0x60,
+
+ 0xdc, 0x89,
+ 0x14, 0xf0, 0x01, 0x0f,
+ 0xfb, 0xd1,
+ 0x00, 0xf1, 0x04, 0x00,
+ 0x01, 0xf1, 0x04, 0x01,
+ 0xa2, 0xf1, 0x01, 0x02,
+ 0xf1, 0xe7,
+
+ 0x00, 0xbe,
+
+ 0x00, 0x3c, 0x02, 0x40,
+ };
+
const uint8_t* loader_code;
size_t loader_size;
- if (sl->core_id == STM32L_CORE_ID) /* stm32l */
+ if (sl->chip_id == STM32_CHIPID_L1_MEDIUM) /* stm32l */
{
loader_code = loader_code_stm32l;
loader_size = sizeof(loader_code_stm32l);
loader_code = loader_code_stm32vl;
loader_size = sizeof(loader_code_stm32vl);
}
+ else if (sl->chip_id == STM32_CHIPID_F2 || sl->chip_id == STM32_CHIPID_F4)
+ {
+ loader_code = loader_code_stm32f4;
+ loader_size = sizeof(loader_code_stm32f4);
+ }
else
{
WLOG("unknown coreid, not sure what flash loader to use, aborting!: %x\n", sl->core_id);
*/
int stlink_verify_write_flash(stlink_t *sl, stm32_addr_t address, uint8_t *data, unsigned length) {
size_t off;
- if (sl->chip_id == STM32_CHIPID_F4) {
- DLOG("(FIXME)Skipping verification for F4, not enough ram (yet)\n");
- return 0;
- }
+ size_t cmp_size = (sl->flash_pgsz > 0x1800)? 0x1800:sl->flash_pgsz;
ILOG("Starting verification of write complete\n");
- for (off = 0; off < length; off += sl->flash_pgsz) {
+ for (off = 0; off < length; off += cmp_size) {
size_t aligned_size;
/* adjust last page size */
- size_t cmp_size = sl->flash_pgsz;
- if ((off + sl->flash_pgsz) > length)
+ if ((off + cmp_size) > length)
cmp_size = length - off;
aligned_size = cmp_size;
if (sl->verbose >= 1) {
/* show progress. writing procedure is slow
and previous errors are misleading */
- fprintf(stdout, "\r%3u/%u halfpages written", count, num_half_pages);
+ fprintf(stdout, "\r%3u/%u halfpages written", count + 1, num_half_pages);
fflush(stdout);
}
while ((stlink_read_debug32(sl, STM32L_FLASH_SR) & (1 << 0)) != 0) {
ILOG("Finished erasing %d pages of %d (%#x) bytes\n",
page_count, sl->flash_pgsz, sl->flash_pgsz);
- if (sl->chip_id == STM32F4_CHIP_ID) {
+ if ((sl->chip_id == STM32_CHIPID_F2) ||(sl->chip_id == STM32_CHIPID_F4)) {
/* todo: check write operation */
+ ILOG("Starting Flash write for F2/F4\n");
+ /* flash loader initialization */
+ if (init_flash_loader(sl, &fl) == -1) {
+ WLOG("init_flash_loader() == -1\n");
+ return -1;
+ }
+
/* First unlock the cr */
unlock_flash_if(sl);
/* set programming mode */
set_flash_cr_pg(sl);
+ for(off = 0; off < len;) {
+ size_t size = len - off > 0x8000 ? 0x8000 : len - off;
+
+ printf("size: %u\n", size);
+
+ if (run_flash_loader(sl, &fl, addr + off, base + off, size) == -1) {
+ WLOG("run_flash_loader(%#zx) failed! == -1\n", addr + off);
+ return -1;
+ }
+
+ off += size;
+ }
+
+#if 0
#define PROGRESS_CHUNK_SIZE 0x1000
/* write a word in program memory */
for (off = 0; off < len; off += sizeof(uint32_t)) {
/* show progress. writing procedure is slow
and previous errors are misleading */
const uint32_t pgnum = (off / PROGRESS_CHUNK_SIZE)+1;
- const uint32_t pgcount = len / PROGRESS_CHUNK_SIZE;
+ const uint32_t pgcount = len / PROGRESS_CHUNK_SIZE +1;
fprintf(stdout, "Writing %ukB chunk %u out of %u\n", PROGRESS_CHUNK_SIZE/1024, pgnum, pgcount);
}
}
wait_flash_busy(sl);
}
+#endif
/* Relock flash */
lock_flash(sl);
} //STM32F4END
- else if (sl->core_id == STM32L_CORE_ID) {
+ else if (sl->chip_id == STM32_CHIPID_L1_MEDIUM) {
/* use fast word write. todo: half page. */
uint32_t val;
fprintf(stdout, "\r");
if ((off % sl->flash_pgsz) > (sl->flash_pgsz -5)) {
- fprintf(stdout, "\r%3u/%u pages written",
+ fprintf(stdout, "\r%3zd/%3zd pages written",
off/sl->flash_pgsz, len/sl->flash_pgsz);
fflush(stdout);
}
return -1;
}
- if (sl->core_id == STM32L_CORE_ID) {
+ if (sl->chip_id == STM32_CHIPID_L1_MEDIUM) {
size_t count = size / sizeof(uint32_t);
if (size % sizeof(uint32_t)) ++count;
stlink_write_reg(sl, 0, 3); /* flash bank 0 (input) */
stlink_write_reg(sl, fl->loader_addr, 15); /* pc register */
+ } else if (sl->chip_id == STM32_CHIPID_F2 || sl->chip_id == STM32_CHIPID_F4) {
+
+ size_t count = size / sizeof(uint32_t);
+ if (size % sizeof(uint32_t)) ++count;
+
+ /* setup core */
+ stlink_write_reg(sl, fl->buf_addr, 0); /* source */
+ stlink_write_reg(sl, target, 1); /* target */
+ stlink_write_reg(sl, count, 2); /* count (32 bits words) */
+ stlink_write_reg(sl, fl->loader_addr, 15); /* pc register */
+
} else {
fprintf(stderr, "unknown coreid: 0x%x\n", sl->core_id);
return -1;
}
/* check written byte count */
- if (sl->core_id == STM32L_CORE_ID) {
+ if (sl->chip_id == STM32_CHIPID_L1_MEDIUM) {
size_t count = size / sizeof(uint32_t);
if (size % sizeof(uint32_t)) ++count;
return -1;
}
+ } else if (sl->chip_id == STM32_CHIPID_F2 || sl->chip_id == STM32_CHIPID_F4) {
+
+ stlink_read_reg(sl, 2, &rr);
+ if (rr.r[2] != 0) {
+ fprintf(stderr, "write error, count == %u\n", rr.r[2]);
+ return -1;
+ }
+
} else {
fprintf(stderr, "unknown coreid: 0x%x\n", sl->core_id);