static void flash_erase(Flash *s, int offset, FlashCMD cmd)
{
uint32_t len;
uint8_t capa_to_assert = 0;
switch (cmd) {
case ERASE_4K:
case ERASE4_4K:
len = 4 << 10;
capa_to_assert = ER_4K;
break;
case ERASE_32K:
case ERASE4_32K:
len = 32 << 10;
capa_to_assert = ER_32K;
break;
case ERASE_SECTOR:
case ERASE4_SECTOR:
len = s->pi->sector_size;
break;
case BULK_ERASE:
len = s->size;
break;
case DIE_ERASE:
if (s->pi->die_cnt) {
len = s->size / s->pi->die_cnt;
offset = offset & (~(len - 1));
} else {
qemu_log_mask(LOG_GUEST_ERROR, "M25P80: die erase is not supported"
" by device\n");
return;
}
break;
default:
abort();
}
DB_PRINT_L(0, "offset = %#x, len = %d\n", offset, len);
if ((s->pi->flags & capa_to_assert) != capa_to_assert) {
qemu_log_mask(LOG_GUEST_ERROR, "M25P80: %d erase size not supported by"
" device\n", len);
}
if (!s->write_enable) {
qemu_log_mask(LOG_GUEST_ERROR, "M25P80: erase with write protect!\n");
return;
}
memset(s->storage + offset, 0xff, len);
flash_sync_area(s, offset, len);
}
static void flash_erase(Flash *s, int offset, FlashCMD cmd)
{
uint32_t len;
uint8_t capa_to_assert = 0;
switch (cmd) {
case ERASE_4K:
len = 4 << 10;
capa_to_assert = ER_4K;
break;
case ERASE_32K:
len = 32 << 10;
capa_to_assert = ER_32K;
break;
case ERASE_SECTOR:
len = s->pi->sector_size;
break;
case BULK_ERASE:
len = s->size;
break;
default:
abort();
}
DB_PRINT("offset = %#x, len = %d\n", offset, len);
if ((s->pi->flags & capa_to_assert) != capa_to_assert) {
hw_error("m25p80: %dk erase size not supported by device\n", len);
}
if (!s->write_enable) {
DB_PRINT("erase with write protect!\n");
return;
}
memset(s->storage + offset, 0xff, len);
flash_sync_area(s, offset, len);
}
