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target/kinetis: flash read write return bool

This commit is contained in:
Rafael Silva 2022-08-24 12:37:09 +01:00 committed by Rachel Mant
parent a6e5b18707
commit b78818b9ee
1 changed files with 25 additions and 25 deletions
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50
src/target/kinetis.c
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@ -111,8 +111,8 @@ static bool kinetis_cmd_unsafe(target *t, int argc, char **argv)
return true; return true;
} }
static int kinetis_flash_cmd_erase(target_flash_s *f, target_addr_t addr, size_t len); static bool kinetis_flash_cmd_erase(target_flash_s *f, target_addr_t addr, size_t len);
static int kinetis_flash_cmd_write(target_flash_s *f, target_addr_t dest, const void *src, size_t len); static bool kinetis_flash_cmd_write(target_flash_s *f, target_addr_t dest, const void *src, size_t len);
static bool kinetis_flash_done(target_flash_s *f); static bool kinetis_flash_done(target_flash_s *f);
struct kinetis_flash { struct kinetis_flash {
@ -432,24 +432,23 @@ static bool kinetis_fccob_cmd(target *t, uint8_t cmd, uint32_t addr, const uint3
return true; return true;
} }
static int kinetis_flash_cmd_erase(target_flash_s *const f, target_addr_t addr, size_t len) static bool kinetis_flash_cmd_erase(target_flash_s *const f, target_addr_t addr, size_t len)
{ {
while (len) { while (len) {
if (kinetis_fccob_cmd(f->t, FTFx_CMD_ERASE_SECTOR, addr, NULL, 0)) { if (!kinetis_fccob_cmd(f->t, FTFx_CMD_ERASE_SECTOR, addr, NULL, 0))
/* Different targets have different flash erase sizes */ return false;
if (len > f->blocksize)
len -= f->blocksize; /* Different targets have different flash erase sizes */
else if (len > f->blocksize)
len = 0; len -= f->blocksize;
addr += f->blocksize; else
} else { len = 0;
return 1; addr += f->blocksize;
}
} }
return 0; return true;
} }
static int kinetis_flash_cmd_write(target_flash_s *f, target_addr_t dest, const void *src, size_t len) static bool kinetis_flash_cmd_write(target_flash_s *f, target_addr_t dest, const void *src, size_t len)
{ {
struct kinetis_flash *const kf = (struct kinetis_flash *)f; struct kinetis_flash *const kf = (struct kinetis_flash *)f;
@ -466,17 +465,18 @@ static int kinetis_flash_cmd_write(target_flash_s *f, target_addr_t dest, const
write_cmd = FTFx_CMD_PROGRAM_LONGWORD; write_cmd = FTFx_CMD_PROGRAM_LONGWORD;
while (len) { while (len) {
if (kinetis_fccob_cmd(f->t, write_cmd, dest, src, kf->write_len >> 2U)) { if (!kinetis_fccob_cmd(f->t, write_cmd, dest, src, kf->write_len >> 2U))
if (len > kf->write_len) return false;
len -= kf->write_len;
else if (len > kf->write_len)
len = 0; len -= kf->write_len;
dest += kf->write_len; else
src += kf->write_len; len = 0;
} else dest += kf->write_len;
return 1; src += kf->write_len;
} }
return 0;
return true;
} }
static bool kinetis_flash_done(target_flash_s *const f) static bool kinetis_flash_done(target_flash_s *const f)