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dfu: Correctly erase STM32 devices when transfer size is less than sector size

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This commit is contained in:
Richard Hughes 2021-03-01 10:04:48 +00:00
parent f32e4c0666
commit f6ee6043c5
1 changed files with 31 additions and 28 deletions
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59
plugins/dfu/fu-dfu-target-stm.c
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@ -276,35 +276,38 @@ fu_dfu_target_stm_download_element (FuDfuTarget *target,
/* for DfuSe devices we need to handle the erase and setting
* the sectory address manually */
offset_dev = fu_chunk_get_address (chk) + (i * transfer_size);
sector = fu_dfu_target_get_sector_for_addr (target, offset_dev);
if (sector == NULL) {
g_set_error (error,
FWUPD_ERROR,
FWUPD_ERROR_NOT_SUPPORTED,
"no memory sector at 0x%04x",
(guint) offset_dev);
return FALSE;
}
if (!fu_dfu_sector_has_cap (sector, DFU_SECTOR_CAP_WRITEABLE)) {
g_set_error (error,
FWUPD_ERROR,
FWUPD_ERROR_NOT_SUPPORTED,
"memory sector at 0x%04x is not writable",
(guint) offset_dev);
return FALSE;
}
offset_dev = i * transfer_size;
while (offset_dev < (i + 1) * transfer_size) {
sector = fu_dfu_target_get_sector_for_addr (target, fu_chunk_get_address (chk) + offset_dev);
if (sector == NULL) {
g_set_error (error,
FWUPD_ERROR,
FWUPD_ERROR_NOT_SUPPORTED,
"no memory sector at 0x%04x",
(guint) fu_chunk_get_address (chk) + offset_dev);
return FALSE;
}
if (!fu_dfu_sector_has_cap (sector, DFU_SECTOR_CAP_WRITEABLE)) {
g_set_error (error,
FWUPD_ERROR,
FWUPD_ERROR_NOT_SUPPORTED,
"memory sector at 0x%04x is not writable",
(guint) fu_chunk_get_address (chk) + offset_dev);
return FALSE;
}
/* if it's erasable and not yet blanked */
if (fu_dfu_sector_has_cap (sector, DFU_SECTOR_CAP_ERASEABLE) &&
g_hash_table_lookup (sectors_hash, sector) == NULL) {
g_hash_table_insert (sectors_hash,
sector,
GINT_TO_POINTER (1));
g_ptr_array_add (sectors_array, sector);
g_debug ("marking sector 0x%04x-%04x to be erased",
fu_dfu_sector_get_address (sector),
fu_dfu_sector_get_address (sector) + fu_dfu_sector_get_size (sector));
/* if it's erasable and not yet blanked */
if (fu_dfu_sector_has_cap (sector, DFU_SECTOR_CAP_ERASEABLE) &&
g_hash_table_lookup (sectors_hash, sector) == NULL) {
g_hash_table_insert (sectors_hash,
sector,
GINT_TO_POINTER (1));
g_ptr_array_add (sectors_array, sector);
g_debug ("marking sector 0x%04x-%04x to be erased",
fu_dfu_sector_get_address (sector),
fu_dfu_sector_get_address (sector) + fu_dfu_sector_get_size (sector));
}
offset_dev += fu_dfu_sector_get_size (sector);
}
}