mirror of
https://github.com/Telecominfraproject/OpenCellular.git
synced 2025-11-23 17:55:01 +00:00
f510973497
System libraries such as string.h and errno.h should be included with <> instead of "" to avoid including them from the local directory. BRANCH=None BUG=None TEST=FEATURES="test" emerge-link vboot_reference Change-Id: I6734e14223fdad9060c6518790f52f1bcfcdf8e0 Reviewed-on: https://chromium-review.googlesource.com/214058 Commit-Queue: Alex Deymo <deymo@chromium.org> Tested-by: Alex Deymo <deymo@chromium.org> Reviewed-by: Bill Richardson <wfrichar@chromium.org>
73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*
|
|
* Utility for ChromeOS-specific GPT partitions, Please see corresponding .c
|
|
* files for more details.
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "flash_ts.h"
|
|
#include "cgpt.h"
|
|
|
|
inline int page_to_sector(const nand_geom *nand, int page) {
|
|
return page * (nand->szofpg / nand->szofsector);
|
|
}
|
|
|
|
int nand_read_page(const nand_geom *nand, int page, void *buf, int size) {
|
|
uint8_t *page_buff;
|
|
|
|
if (Load((struct drive *)nand->user, &page_buff,
|
|
page_to_sector(nand, page), nand->szofsector,
|
|
(size + nand->szofsector - 1) / nand->szofsector)) {
|
|
|
|
// page may be not erased. return default data.
|
|
memset(buf, 0xff, size);
|
|
return 0;
|
|
}
|
|
memcpy(buf, page_buff, size);
|
|
free(page_buff);
|
|
return 0;
|
|
}
|
|
|
|
int nand_write_page(const nand_geom *nand,
|
|
int page, const void *buf, int buf_size) {
|
|
void *page_buff;
|
|
int ret;
|
|
int sectors = (buf_size + nand->szofsector - 1) / nand->szofsector;
|
|
int size = nand->szofsector * sectors;
|
|
|
|
page_buff = malloc(size);
|
|
if (!page_buff)
|
|
return -1;
|
|
|
|
memset(page_buff, 0xff, size);
|
|
memcpy(page_buff, buf, buf_size);
|
|
|
|
ret = Save((struct drive *)nand->user, page_buff, page_to_sector(nand, page),
|
|
nand->szofsector, sectors);
|
|
free(page_buff);
|
|
return ret;
|
|
}
|
|
|
|
int nand_erase_block(const nand_geom *nand, int block) {
|
|
int sector = block * (nand->szofblk / nand->szofsector);
|
|
int res;
|
|
void *erase_buff = malloc(nand->szofblk);
|
|
if (!erase_buff)
|
|
return -1;
|
|
|
|
memset(erase_buff, 0xff, nand->szofblk);
|
|
res = Save((struct drive *)nand->user, erase_buff, sector,
|
|
nand->szofsector, nand->szofblk / nand->szofsector);
|
|
free(erase_buff);
|
|
return res;
|
|
}
|
|
|
|
int nand_is_bad_block(const nand_geom *nand, int block) {
|
|
return 0;
|
|
}
|