164 lines
4.1 KiB
Diff
164 lines
4.1 KiB
Diff
From 6e2630a0fc872d0db34157972f6dc3941f6d66dd Mon Sep 17 00:00:00 2001
|
|
From: Daniel Golle <daniel@makrotopia.org>
|
|
Date: Mon, 19 May 2014 21:38:01 +0200
|
|
Subject: [PATCH] tools/env: add support for env in ubi volume chardev
|
|
|
|
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
|
|
---
|
|
tools/env/Makefile | 5 ++++
|
|
tools/env/fw_env.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++-------
|
|
2 files changed, 71 insertions(+), 10 deletions(-)
|
|
|
|
--- a/tools/env/Makefile
|
|
+++ b/tools/env/Makefile
|
|
@@ -24,6 +24,13 @@ ifeq ($(MTD_VERSION),old)
|
|
HOST_EXTRACFLAGS += -DMTD_OLD
|
|
endif
|
|
|
|
+ifeq ($(UBI),y)
|
|
+HOST_EXTRACFLAGS += -DUBI
|
|
+HOST_LOADLIBES = "-Wl,--gc-sections,-lubi-utils"
|
|
+else
|
|
+HOST_LOADLIBES = "-Wl,--gc-sections"
|
|
+endif
|
|
+
|
|
always := fw_printenv
|
|
hostprogs-y := fw_printenv
|
|
|
|
--- a/tools/env/fw_env.c
|
|
+++ b/tools/env/fw_env.c
|
|
@@ -31,6 +31,9 @@
|
|
# include <mtd/mtd-user.h>
|
|
#endif
|
|
|
|
+#ifdef UBI
|
|
+# include <libubi.h>
|
|
+#endif
|
|
#include "fw_env.h"
|
|
|
|
#include <aes.h>
|
|
@@ -811,6 +814,11 @@ static int flash_write_buf (int dev, int
|
|
off_t top_of_range; /* end of the last block we may use */
|
|
loff_t blockstart; /* running start of the current block -
|
|
MEMGETBADBLOCK needs 64 bits */
|
|
+#ifdef UBI
|
|
+ libubi_t *libubi = NULL;/* pointer to libubi struct */
|
|
+#else
|
|
+ void *libubi = NULL;
|
|
+#endif
|
|
int rc;
|
|
|
|
/*
|
|
@@ -916,7 +924,30 @@ static int flash_write_buf (int dev, int
|
|
continue;
|
|
}
|
|
|
|
- if (mtd_type != MTD_ABSENT) {
|
|
+#ifdef UBI
|
|
+ if (mtd_type == MTD_UBIVOLUME) {
|
|
+ struct ubi_vol_info volinfo;
|
|
+ libubi = libubi_open();
|
|
+ if (libubi)
|
|
+ rc = ubi_get_vol_info(libubi,
|
|
+ DEVNAME(dev_current), &volinfo);
|
|
+ if (libubi && !rc) {
|
|
+ erasesize = volinfo.leb_size;
|
|
+ int leb = blockstart / erasesize;
|
|
+ if (volinfo.type != UBI_STATIC_VOLUME)
|
|
+ rc = ubi_leb_change_start(libubi, fd,
|
|
+ leb, erasesize);
|
|
+ else
|
|
+ rc = ubi_update_start(libubi, fd,
|
|
+ erasesize);
|
|
+ }
|
|
+ if (libubi && rc) {
|
|
+ libubi_close(libubi);
|
|
+ libubi = NULL;
|
|
+ }
|
|
+ }
|
|
+#endif
|
|
+ if (!libubi && mtd_type != MTD_ABSENT) {
|
|
erase.start = blockstart;
|
|
ioctl(fd, MEMUNLOCK, &erase);
|
|
/* These do not need an explicit erase cycle */
|
|
@@ -933,7 +964,8 @@ static int flash_write_buf (int dev, int
|
|
fprintf (stderr,
|
|
"Seek error on %s: %s\n",
|
|
DEVNAME (dev), strerror (errno));
|
|
- return -1;
|
|
+ processed = -1;
|
|
+ goto out;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
@@ -943,10 +975,11 @@ static int flash_write_buf (int dev, int
|
|
if (write (fd, data + processed, erasesize) != erasesize) {
|
|
fprintf (stderr, "Write error on %s: %s\n",
|
|
DEVNAME (dev), strerror (errno));
|
|
- return -1;
|
|
+ processed = -1;
|
|
+ goto out;
|
|
}
|
|
|
|
- if (mtd_type != MTD_ABSENT)
|
|
+ if (!libubi && mtd_type != MTD_ABSENT)
|
|
ioctl(fd, MEMLOCK, &erase);
|
|
|
|
processed += erasesize;
|
|
@@ -957,6 +990,11 @@ static int flash_write_buf (int dev, int
|
|
if (write_total > count)
|
|
free (data);
|
|
|
|
+out:
|
|
+#ifdef UBI
|
|
+ if (libubi)
|
|
+ libubi_close(libubi);
|
|
+#endif
|
|
return processed;
|
|
}
|
|
|
|
@@ -1068,12 +1106,8 @@ static int flash_read (int fd)
|
|
|
|
if (S_ISCHR(st.st_mode)) {
|
|
rc = ioctl(fd, MEMGETINFO, &mtdinfo);
|
|
- if (rc < 0) {
|
|
- fprintf(stderr, "Cannot get MTD information for %s\n",
|
|
- DEVNAME(dev_current));
|
|
- return -1;
|
|
- }
|
|
- if (mtdinfo.type != MTD_NORFLASH &&
|
|
+ if (!rc &&
|
|
+ mtdinfo.type != MTD_NORFLASH &&
|
|
mtdinfo.type != MTD_NANDFLASH &&
|
|
mtdinfo.type != MTD_DATAFLASH &&
|
|
mtdinfo.type != MTD_UBIVOLUME) {
|
|
@@ -1081,6 +1115,28 @@ static int flash_read (int fd)
|
|
mtdinfo.type, DEVNAME(dev_current));
|
|
return -1;
|
|
}
|
|
+#ifdef UBI
|
|
+ if (rc) {
|
|
+ libubi_t *libubi;
|
|
+ struct ubi_vol_info volinfo;
|
|
+ libubi = libubi_open();
|
|
+ if (!libubi)
|
|
+ return -ENOMEM;
|
|
+
|
|
+ rc = ubi_get_vol_info(libubi, DEVNAME(dev_current),
|
|
+ &volinfo);
|
|
+ if (rc) {
|
|
+ libubi_close(libubi);
|
|
+ return -ENODEV;
|
|
+ }
|
|
+ memset(&mtdinfo, 0, sizeof(mtdinfo));
|
|
+ mtdinfo.type = MTD_UBIVOLUME;
|
|
+ mtdinfo.size = volinfo.data_bytes;
|
|
+ mtdinfo.erasesize = volinfo.leb_size;
|
|
+ mtdinfo.writesize = volinfo.leb_size;
|
|
+ libubi_close(libubi);
|
|
+ }
|
|
+#endif
|
|
} else {
|
|
memset(&mtdinfo, 0, sizeof(mtdinfo));
|
|
mtdinfo.type = MTD_ABSENT;
|