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-rw-r--r--nandwrite.c60
1 files changed, 32 insertions, 28 deletions
diff --git a/nandwrite.c b/nandwrite.c
index a3ac968..d05d257 100644
--- a/nandwrite.c
+++ b/nandwrite.c
@@ -42,6 +42,7 @@
#include <asm/types.h>
#include "mtd/mtd-user.h"
#include "common.h"
+#include <libmtd.h>
// oob layouts to pass into the kernel as default
static struct nand_oobinfo none_oobinfo = {
@@ -259,7 +260,7 @@ int main(int argc, char * const argv[])
int imglen = 0, pagelen;
bool baderaseblock = false;
int blockstart = -1;
- struct mtd_info_user meminfo;
+ struct mtd_dev_info mtd;
struct mtd_oob_buf oob;
loff_t offs;
int ret;
@@ -275,6 +276,7 @@ int main(int argc, char * const argv[])
// points to the OOB for the current page in filebuf
unsigned char *oobreadbuf = NULL;
unsigned char *oobbuf = NULL;
+ libmtd_t mtd_desc;
int ebsize_aligned;
process_options(argc, argv);
@@ -290,24 +292,24 @@ int main(int argc, char * const argv[])
exit(EXIT_FAILURE);
}
+ mtd_desc = libmtd_open();
+ if (!mtd_desc)
+ return errmsg("can't initialize libmtd");
/* Fill in MTD device capability structure */
- if (ioctl(fd, MEMGETINFO, &meminfo) != 0) {
- perror("MEMGETINFO");
- close(fd);
- exit(EXIT_FAILURE);
- }
+ if (mtd_get_dev_info(mtd_desc, mtd_device, &mtd) < 0)
+ return errmsg("mtd_get_dev_info failed");
/*
* Pretend erasesize is specified number of blocks - to match jffs2
* (virtual) block size
* Use this value throughout unless otherwise necessary
*/
- ebsize_aligned = meminfo.erasesize * blockalign;
+ ebsize_aligned = mtd.eb_size * blockalign;
- if (mtdoffset & (meminfo.writesize - 1)) {
+ if (mtdoffset & (mtd.min_io_size - 1)) {
fprintf(stderr, "The start address is not page-aligned !\n"
"The pagesize of this NAND Flash is 0x%x.\n",
- meminfo.writesize);
+ mtd.min_io_size);
close(fd);
exit(EXIT_FAILURE);
}
@@ -373,7 +375,7 @@ int main(int argc, char * const argv[])
fprintf(stderr, "Use -f option to enforce legacy placement on autoplacement enabled mtd device\n");
goto restoreoob;
}
- if (meminfo.oobsize == 8) {
+ if (mtd.oob_size == 8) {
if (forceyaffs) {
fprintf(stderr, "YAFSS cannot operate on 256 Byte page size");
goto restoreoob;
@@ -388,7 +390,7 @@ int main(int argc, char * const argv[])
}
}
- oob.length = meminfo.oobsize;
+ oob.length = mtd.oob_size;
oob.ptr = noecc ? oobreadbuf : oobbuf;
/* Determine if we are reading from standard input or from a file. */
@@ -403,7 +405,7 @@ int main(int argc, char * const argv[])
goto restoreoob;
}
- pagelen = meminfo.writesize + ((writeoob) ? meminfo.oobsize : 0);
+ pagelen = mtd.min_io_size + ((writeoob) ? mtd.oob_size : 0);
/*
* For the standard input case, the input size is merely an
@@ -431,20 +433,21 @@ int main(int argc, char * const argv[])
}
// Check, if length fits into device
- if (((imglen / pagelen) * meminfo.writesize) > (meminfo.size - mtdoffset)) {
- fprintf(stderr, "Image %d bytes, NAND page %d bytes, OOB area %u bytes, device size %u bytes\n",
- imglen, pagelen, meminfo.oobsize, meminfo.size);
+ if (((imglen / pagelen) * mtd.min_io_size) > (mtd.size - mtdoffset)) {
+ fprintf(stderr, "Image %d bytes, NAND page %d bytes, OOB area %d"
+ " bytes, device size %lld bytes\n",
+ imglen, pagelen, mtd.oob_size, mtd.size);
perror("Input file does not fit into device");
goto closeall;
}
// Allocate a buffer big enough to contain all the data (OOB included) for one eraseblock
- filebuf_max = pagelen * ebsize_aligned / meminfo.writesize;
+ filebuf_max = pagelen * ebsize_aligned / mtd.min_io_size;
filebuf = xmalloc(filebuf_max);
erase_buffer(filebuf, filebuf_max);
- oobbuf = xmalloc(meminfo.oobsize);
- erase_buffer(oobbuf, meminfo.oobsize);
+ oobbuf = xmalloc(mtd.oob_size);
+ erase_buffer(oobbuf, mtd.oob_size);
/*
* Get data from input and write to the device while there is
@@ -454,7 +457,7 @@ int main(int argc, char * const argv[])
* length or zero.
*/
while (((imglen > 0) || (writebuf < (filebuf + filebuf_len)))
- && (mtdoffset < meminfo.size)) {
+ && (mtdoffset < mtd.size)) {
/*
* New eraseblock, check for bad block(s)
* Stay in the loop to be sure that, if mtdoffset changes because
@@ -504,8 +507,8 @@ int main(int argc, char * const argv[])
}
// Read more data from the input if there isn't enough in the buffer
- if ((writebuf + meminfo.writesize) > (filebuf + filebuf_len)) {
- int readlen = meminfo.writesize;
+ if ((writebuf + mtd.min_io_size) > (filebuf + filebuf_len)) {
+ int readlen = mtd.min_io_size;
int alreadyread = (filebuf + filebuf_len) - writebuf;
int tinycnt = alreadyread;
@@ -556,11 +559,11 @@ int main(int argc, char * const argv[])
}
if (writeoob) {
- oobreadbuf = writebuf + meminfo.writesize;
+ oobreadbuf = writebuf + mtd.min_io_size;
// Read more data for the OOB from the input if there isn't enough in the buffer
- if ((oobreadbuf + meminfo.oobsize) > (filebuf + filebuf_len)) {
- int readlen = meminfo.oobsize;
+ if ((oobreadbuf + mtd.oob_size) > (filebuf + filebuf_len)) {
+ int readlen = mtd.oob_size;
int alreadyread = (filebuf + filebuf_len) - oobreadbuf;
int tinycnt = alreadyread;
@@ -619,7 +622,7 @@ int main(int argc, char * const argv[])
} else {
/* Set at least the ecc byte positions to 0xff */
start = old_oobinfo.eccbytes;
- len = meminfo.oobsize - start;
+ len = mtd.oob_size - start;
memcpy(oobbuf + start,
oobreadbuf + start,
len);
@@ -634,7 +637,7 @@ int main(int argc, char * const argv[])
}
/* Write out the Page data */
- if (pwrite(fd, writebuf, meminfo.writesize, mtdoffset) != meminfo.writesize) {
+ if (pwrite(fd, writebuf, mtd.min_io_size, mtdoffset) != mtd.min_io_size) {
erase_info_t erase;
if (errno != EIO) {
@@ -658,7 +661,7 @@ int main(int argc, char * const argv[])
}
if (markbad) {
- loff_t bad_addr = mtdoffset & (~meminfo.erasesize + 1);
+ loff_t bad_addr = mtdoffset & (~mtd.eb_size + 1);
fprintf(stderr, "Marking block at %08lx bad\n", (long)bad_addr);
if (ioctl(fd, MEMSETBADBLOCK, &bad_addr)) {
perror("MEMSETBADBLOCK");
@@ -669,7 +672,7 @@ int main(int argc, char * const argv[])
continue;
}
- mtdoffset += meminfo.writesize;
+ mtdoffset += mtd.min_io_size;
writebuf += pagelen;
}
@@ -679,6 +682,7 @@ closeall:
close(ifd);
restoreoob:
+ libmtd_close(mtd_desc);
free(filebuf);
free(oobbuf);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-08 02:56:12 +0000