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properly handle flash size limits

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2021-03-10 21:38:19 +01:00
parent b200ce3596
commit eb427a8df2
2 changed files with 14 additions and 10 deletions
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2
apps/octonet/ddupdate.c
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@@ -119,7 +119,7 @@ static int update_flash(struct ddflash *ddf)
printf("Flash: %s\n", ddf->flash_name);
printf("Version: %08x\n", ddf->id.hw);
printf("REGMAP : %08x\n", ddf->id.regmap);
if ((res = update_image(ddf, fname, 0x10000, 0x100000, 1, 0)) == 1)
if ((res = update_image(ddf, fname, 0x10000, ddf->size / 2, 1, 0)) == 1)
stat |= 1;
return stat;
}

22
apps/octonet/flash.c
View File

@@ -968,12 +968,10 @@ static int flashcmp(struct ddflash *ddf, int fs, uint32_t addr, uint32_t maxlen,
return -1;
len = off - fw_off;
lseek(fs, fw_off, SEEK_SET);
#if 0
if (len > maxlen) {
printf("file too big\n");
return -1;
}
#endif
//printf("flash file len %u, compare to %08x in flash: ", len, addr);
for (j = 0; j < len; j += bl, addr += bl) {
if (len - j < bl)
@@ -1132,9 +1130,15 @@ static int check_fw(struct ddflash *ddf, char *fn, uint32_t *fw_off)
return -4;
}
if (devid == ddf->id.device) {
if (version <= (ddf->id.hw & 0xffffff)) {
printf("%s is older or same version as flash\n", fn);
ret = -3; /* same id but no newer version */
if (version < (ddf->id.hw & 0xffffff)) {
printf("%s is older version than flash\n", fn);
if (!ddf->force)
ret = -3; /* same id but older newer version */
}
if (version == (ddf->id.hw & 0xffffff)) {
printf("%s is same version as flash\n", fn);
if (!ddf->force)
ret = 2; /* same and same version */
}
} else
ret = 1;
@@ -1147,7 +1151,7 @@ out:
}
static int update_image(struct ddflash *ddf, char *fn,
uint32_t adr, uint32_t len,
uint32_t adr, uint32_t maxlen,
int has_header, int no_change)
{
int fs, res = 0;
@@ -1167,7 +1171,7 @@ static int update_image(struct ddflash *ddf, char *fn,
printf("File %s not found \n", fn);
return -1;
}
res = flashcmp(ddf, fs, adr, len, fw_off);
res = flashcmp(ddf, fs, adr, maxlen, fw_off);
if (res == -2) {
printf("Flash already identical to %s\n", fn);
if (ddf->force) {
@@ -1177,9 +1181,9 @@ static int update_image(struct ddflash *ddf, char *fn,
}
if (res < 0)
goto out;
res = flashwrite(ddf, fs, adr, len, fw_off);
res = flashwrite(ddf, fs, adr, maxlen, fw_off);
if (res == 0) {
res = flashcmp(ddf, fs, adr, len, fw_off);
res = flashcmp(ddf, fs, adr, maxlen, fw_off);
if (res == -2) {
res = 1;
printf("Flash verify OK!\n");