diff options
Diffstat (limited to 'package/boot/uboot-envtools/patches/300-support-env-in-ubivol-chardev.patch')
| -rw-r--r-- | package/boot/uboot-envtools/patches/300-support-env-in-ubivol-chardev.patch | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/package/boot/uboot-envtools/patches/300-support-env-in-ubivol-chardev.patch b/package/boot/uboot-envtools/patches/300-support-env-in-ubivol-chardev.patch new file mode 100644 index 0000000000..96a95f756c --- /dev/null +++ b/package/boot/uboot-envtools/patches/300-support-env-in-ubivol-chardev.patch @@ -0,0 +1,166 @@ +From ee2c9e3aef32c05b1d7891858baff19bffed1652 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 | 74 ++++++++++++++++++++++++++++++++++++++++++++++-------- + 2 files changed, 69 insertions(+), 10 deletions(-) + +diff --git a/tools/env/Makefile b/tools/env/Makefile +index f5368bc..d006a93 100644 +--- a/tools/env/Makefile ++++ b/tools/env/Makefile +@@ -20,6 +20,11 @@ ifeq ($(MTD_VERSION),old) + HOST_EXTRACFLAGS += -DMTD_OLD + endif + ++ifeq ($(UBI),y) ++HOST_EXTRACFLAGS += -DUBI ++HOST_LOADLIBES = "-Wl,--gc-sections,-lubi-utils" ++endif ++ + always := fw_printenv + hostprogs-y := fw_printenv_unstripped + +diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c +index 30d5b03..5c0acd5 100644 +--- a/tools/env/fw_env.c ++++ b/tools/env/fw_env.c +@@ -29,6 +29,9 @@ + # include <mtd/mtd-user.h> + #endif + ++#ifdef UBI ++# include <libubi.h> ++#endif + #include "fw_env.h" + + #include <aes.h> +@@ -809,6 +812,11 @@ static int flash_write_buf (int dev, int fd, void *buf, size_t count, + 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; + + /* +@@ -914,7 +922,30 @@ static int flash_write_buf (int dev, int fd, void *buf, size_t count, + 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 */ +@@ -931,7 +962,8 @@ static int flash_write_buf (int dev, int fd, void *buf, size_t count, + fprintf (stderr, + "Seek error on %s: %s\n", + DEVNAME (dev), strerror (errno)); +- return -1; ++ processed = -1; ++ goto out; + } + + #ifdef DEBUG +@@ -941,10 +973,11 @@ static int flash_write_buf (int dev, int fd, void *buf, size_t count, + 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; +@@ -955,6 +988,9 @@ static int flash_write_buf (int dev, int fd, void *buf, size_t count, + if (write_total > count) + free (data); + ++out: ++ if (libubi) ++ libubi_close(libubi); + return processed; + } + +@@ -1066,12 +1102,8 @@ 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) { +@@ -1079,6 +1111,28 @@ 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; +-- +1.9.2 + |