diff options
| author | Pratik Prajapati <pratikkumar.v.prajapati@intel.com> | 2016-11-30 17:29:10 -0800 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2016-12-10 03:16:55 +0100 |
| commit | 2a7708a9f8e543cd03d55716f21ea3318920ac03 (patch) | |
| tree | 5cb361c5c906ae737c72cff27dae01779236c5d1 /src | |
| parent | b6e9021b162ebe73d67a4d75c3e304fb2727860d (diff) | |
| download | coreboot-2a7708a9f8e543cd03d55716f21ea3318920ac03.tar.xz | |
cbfs: Add API to locate a file from specific region
This patch adds an API to find file by name from
any specific region of fmap.
Change-Id: Iabe785a6434937be6a57c7009882a0d68f6c8ad4
Signed-off-by: Pratik Prajapati <pratikkumar.v.prajapati@intel.com>
Reviewed-on: https://review.coreboot.org/17664
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/cbfs.h | 3 | ||||
| -rw-r--r-- | src/lib/cbfs.c | 16 |
2 files changed, 18 insertions, 1 deletions
diff --git a/src/include/cbfs.h b/src/include/cbfs.h index 8538b3d119..1350671af2 100644 --- a/src/include/cbfs.h +++ b/src/include/cbfs.h @@ -34,6 +34,9 @@ int cbfs_boot_locate(struct cbfsf *fh, const char *name, uint32_t *type); * leaking mappings are a no-op. Returns NULL on error, else returns * the mapping and sets the size of the file. */ void *cbfs_boot_map_with_leak(const char *name, uint32_t type, size_t *size); +/* Locate file in a specific region of fmap. Return 0 on success. < 0 on error*/ +int cbfs_locate_file_in_region(struct cbfsf *fh, const char *region_name, + const char *name, uint32_t *type); /* Load a struct file from CBFS into a buffer. Returns amount of loaded * bytes on success or 0 on error. File will get decompressed as necessary. * Same decompression requirements as cbfs_load_and_decompress(). */ diff --git a/src/lib/cbfs.c b/src/lib/cbfs.c index 19737a4192..ff166d8793 100644 --- a/src/lib/cbfs.c +++ b/src/lib/cbfs.c @@ -24,7 +24,7 @@ #include <lib.h> #include <symbols.h> #include <timestamp.h> - +#include <fmap.h> #include "fmap_config.h" #define ERROR(x...) printk(BIOS_ERR, "CBFS: " x) @@ -72,6 +72,20 @@ void *cbfs_boot_map_with_leak(const char *name, uint32_t type, size_t *size) return rdev_mmap(&fh.data, 0, fsize); } +int cbfs_locate_file_in_region(struct cbfsf *fh, const char *region_name, + const char *name, uint32_t *type) +{ + struct region_device rdev; + + if (fmap_locate_area_as_rdev(region_name, &rdev)) { + LOG("%s region not found while looking for %s\n", + region_name, name); + return -1; + } + + return cbfs_locate(fh, &rdev, name, type); +} + size_t cbfs_load_and_decompress(const struct region_device *rdev, size_t offset, size_t in_size, void *buffer, size_t buffer_size, uint32_t compression) { |