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-rw-r--r--src/commonlib/bsd/cbfs_mcache.c4
-rw-r--r--src/commonlib/bsd/cbfs_private.c13
-rw-r--r--src/commonlib/bsd/include/commonlib/bsd/cbfs_private.h6
-rw-r--r--src/commonlib/bsd/include/commonlib/bsd/cbfs_serialized.h120
-rw-r--r--src/commonlib/cbfs.c2
5 files changed, 76 insertions, 69 deletions
diff --git a/src/commonlib/bsd/cbfs_mcache.c b/src/commonlib/bsd/cbfs_mcache.c
index f54b6631af..d2f969dbc3 100644
--- a/src/commonlib/bsd/cbfs_mcache.c
+++ b/src/commonlib/bsd/cbfs_mcache.c
@@ -106,8 +106,8 @@ cb_err_t cbfs_mcache_lookup(const void *mcache, size_t mcache_size, const char *
assert(entry->magic == MCACHE_MAGIC_FILE);
const uint32_t data_offset = be32toh(entry->file.h.offset);
const uint32_t data_length = be32toh(entry->file.h.len);
- if (namesize <= data_offset - offsetof(union cbfs_mdata, filename) &&
- memcmp(name, entry->file.filename, namesize) == 0) {
+ if (namesize <= data_offset - offsetof(union cbfs_mdata, h.filename) &&
+ memcmp(name, entry->file.h.filename, namesize) == 0) {
LOG("Found '%s' @%#x size %#x in mcache @%p\n",
name, entry->offset, data_length, current);
*data_offset_out = entry->offset + data_offset;
diff --git a/src/commonlib/bsd/cbfs_private.c b/src/commonlib/bsd/cbfs_private.c
index 7814c4a727..527860db75 100644
--- a/src/commonlib/bsd/cbfs_private.c
+++ b/src/commonlib/bsd/cbfs_private.c
@@ -46,7 +46,7 @@ cb_err_t cbfs_walk(cbfs_dev_t dev, cb_err_t (*walker)(cbfs_dev_t dev, size_t off
const uint32_t data_offset = be32toh(mdata.h.offset);
const uint32_t data_length = be32toh(mdata.h.len);
const uint32_t type = be32toh(mdata.h.type);
- const bool empty = (type == CBFS_TYPE_DELETED || type == CBFS_TYPE_DELETED2);
+ const bool empty = (type == CBFS_TYPE_DELETED || type == CBFS_TYPE_NULL);
DEBUG("Found CBFS header @%#zx (type %d, attr +%#x, data +%#x, length %#x)\n",
offset, type, attr_offset, data_offset, data_length);
@@ -75,7 +75,7 @@ cb_err_t cbfs_walk(cbfs_dev_t dev, cb_err_t (*walker)(cbfs_dev_t dev, size_t off
if (cbfs_dev_read(dev, mdata.raw + sizeof(mdata.h),
offset + sizeof(mdata.h), todo) != todo)
return CB_CBFS_IO;
- DEBUG("File name: '%s'\n", mdata.filename);
+ DEBUG("File name: '%s'\n", mdata.h.filename);
if (do_hash && !empty && vb2_digest_extend(&dc, mdata.raw, data_offset))
return CB_ERR;
@@ -134,10 +134,9 @@ static cb_err_t lookup_walker(cbfs_dev_t dev, size_t offset, const union cbfs_md
size_t already_read, void *arg)
{
struct cbfs_lookup_args *args = arg;
-
/* Check if the name we're looking for could fit, then we can safely memcmp() it. */
- if (args->namesize > already_read - offsetof(union cbfs_mdata, filename) ||
- memcmp(args->name, mdata->filename, args->namesize) != 0)
+ if (args->namesize > already_read - offsetof(union cbfs_mdata, h.filename) ||
+ memcmp(args->name, mdata->h.filename, args->namesize) != 0)
return CB_CBFS_NOT_FOUND;
LOG("Found '%s' @%#zx size %#x\n", args->name, offset, be32toh(mdata->h.len));
@@ -175,13 +174,13 @@ const void *cbfs_find_attr(const union cbfs_mdata *mdata, uint32_t attr_tag, siz
if (offset + len > end) {
ERROR("Attribute %s[%u] overflows end of metadata\n",
- mdata->filename, tag);
+ mdata->h.filename, tag);
return NULL;
}
if (tag == attr_tag) {
if (size_check && len != size_check) {
ERROR("Attribute %s[%u] size mismatch: %u != %zu\n",
- mdata->filename, tag, len, size_check);
+ mdata->h.filename, tag, len, size_check);
return NULL;
}
return attr;
diff --git a/src/commonlib/bsd/include/commonlib/bsd/cbfs_private.h b/src/commonlib/bsd/include/commonlib/bsd/cbfs_private.h
index b72463aba3..9fe740c917 100644
--- a/src/commonlib/bsd/include/commonlib/bsd/cbfs_private.h
+++ b/src/commonlib/bsd/include/commonlib/bsd/cbfs_private.h
@@ -48,12 +48,8 @@
* avoid byte-order confusion, fields should always and only be converted to host byte order at
* exactly the time they are read from one of these structures into their own separate variable.
*/
-#define CBFS_METADATA_MAX_SIZE 256
union cbfs_mdata {
- struct {
- struct cbfs_file h;
- char filename[];
- };
+ struct cbfs_file h;
uint8_t raw[CBFS_METADATA_MAX_SIZE];
};
diff --git a/src/commonlib/bsd/include/commonlib/bsd/cbfs_serialized.h b/src/commonlib/bsd/include/commonlib/bsd/cbfs_serialized.h
index 7171634c8e..ac4b38f7a2 100644
--- a/src/commonlib/bsd/include/commonlib/bsd/cbfs_serialized.h
+++ b/src/commonlib/bsd/include/commonlib/bsd/cbfs_serialized.h
@@ -6,45 +6,40 @@
#include <stdint.h>
#include <vb2_sha.h>
-/** These are standard values for the known compression
- algorithms that coreboot knows about for stages and
- payloads. Of course, other CBFS users can use whatever
- values they want, as long as they understand them. */
-
-#define CBFS_COMPRESS_NONE 0
-#define CBFS_COMPRESS_LZMA 1
-#define CBFS_COMPRESS_LZ4 2
-
-/** These are standard component types for well known
- components (i.e - those that coreboot needs to consume.
- Users are welcome to use any other value for their
- components */
-
-#define CBFS_TYPE_DELETED 0x00000000
-#define CBFS_TYPE_DELETED2 0xffffffff
-#define CBFS_TYPE_BOOTBLOCK 0x01
-#define CBFS_TYPE_STAGE 0x10
-#define CBFS_TYPE_SELF 0x20
-#define CBFS_TYPE_FIT 0x21
-#define CBFS_TYPE_OPTIONROM 0x30
-#define CBFS_TYPE_BOOTSPLASH 0x40
-#define CBFS_TYPE_RAW 0x50
-#define CBFS_TYPE_VSA 0x51
-#define CBFS_TYPE_MBI 0x52
-#define CBFS_TYPE_MICROCODE 0x53
-#define CBFS_TYPE_FSP 0x60
-#define CBFS_TYPE_MRC 0x61
-#define CBFS_TYPE_MMA 0x62
-#define CBFS_TYPE_EFI 0x63
-#define CBFS_TYPE_STRUCT 0x70
-#define CBFS_COMPONENT_CMOS_DEFAULT 0xaa
-#define CBFS_TYPE_SPD 0xab
-#define CBFS_TYPE_MRC_CACHE 0xac
-#define CBFS_COMPONENT_CMOS_LAYOUT 0x01aa
-
-#define CBFS_HEADER_MAGIC 0x4F524243
-#define CBFS_HEADER_VERSION1 0x31313131
-#define CBFS_HEADER_VERSION2 0x31313132
+enum cbfs_compression {
+ CBFS_COMPRESS_NONE = 0,
+ CBFS_COMPRESS_LZMA = 1,
+ CBFS_COMPRESS_LZ4 = 2,
+};
+
+enum cbfs_type {
+ CBFS_TYPE_DELETED = 0x00000000,
+ CBFS_TYPE_NULL = 0xffffffff,
+ CBFS_TYPE_BOOTBLOCK = 0x01,
+ CBFS_TYPE_CBFSHEADER = 0x02,
+ CBFS_TYPE_STAGE = 0x10,
+ CBFS_TYPE_SELF = 0x20,
+ CBFS_TYPE_FIT = 0x21,
+ CBFS_TYPE_OPTIONROM = 0x30,
+ CBFS_TYPE_BOOTSPLASH = 0x40,
+ CBFS_TYPE_RAW = 0x50,
+ CBFS_TYPE_VSA = 0x51,
+ CBFS_TYPE_MBI = 0x52,
+ CBFS_TYPE_MICROCODE = 0x53,
+ CBFS_TYPE_FSP = 0x60,
+ CBFS_TYPE_MRC = 0x61,
+ CBFS_TYPE_MMA = 0x62,
+ CBFS_TYPE_EFI = 0x63,
+ CBFS_TYPE_STRUCT = 0x70,
+ CBFS_TYPE_CMOS_DEFAULT = 0xaa,
+ CBFS_TYPE_SPD = 0xab,
+ CBFS_TYPE_MRC_CACHE = 0xac,
+ CBFS_TYPE_CMOS_LAYOUT = 0x01aa,
+};
+
+#define CBFS_HEADER_MAGIC 0x4F524243 /* BE: 'ORBC' */
+#define CBFS_HEADER_VERSION1 0x31313131 /* BE: '1111' */
+#define CBFS_HEADER_VERSION2 0x31313132 /* BE: '1112' */
#define CBFS_HEADER_VERSION CBFS_HEADER_VERSION2
/* this is the master cbfs header - it must be located somewhere available
@@ -68,9 +63,15 @@ struct cbfs_header {
/* "Unknown" refers to CBFS headers version 1,
* before the architecture was defined (i.e., x86 only).
*/
-#define CBFS_ARCHITECTURE_UNKNOWN 0xFFFFFFFF
-#define CBFS_ARCHITECTURE_X86 0x00000001
-#define CBFS_ARCHITECTURE_ARM 0x00000010
+enum cbfs_architecture {
+ CBFS_ARCHITECTURE_UNKNOWN = 0xFFFFFFFF,
+ CBFS_ARCHITECTURE_X86 = 0x00000001,
+ CBFS_ARCHITECTURE_ARM = 0x00000010,
+ CBFS_ARCHITECTURE_AARCH64 = 0x0000aa64,
+ CBFS_ARCHITECTURE_MIPS = 0x00000100, /* deprecated */
+ CBFS_ARCHITECTURE_RISCV = 0xc001d0de,
+ CBFS_ARCHITECTURE_PPC64 = 0x407570ff,
+};
/** This is a component header - every entry in the CBFS
will have this header.
@@ -88,6 +89,7 @@ struct cbfs_header {
*/
#define CBFS_FILE_MAGIC "LARCHIVE"
+#define CBFS_METADATA_MAX_SIZE 256
struct cbfs_file {
char magic[8];
@@ -95,8 +97,13 @@ struct cbfs_file {
uint32_t type;
uint32_t attributes_offset;
uint32_t offset;
+ char filename[0];
} __packed;
+#if defined __GNUC__ && (__GNUC__ * 100 + __GNUC_MINOR__) >= 406
+_Static_assert(sizeof(struct cbfs_file) == 24, "cbfs_file size mismatch");
+#endif
+
/* The common fields of extended cbfs file attributes.
Attributes are expected to start with tag/len, then append their
specific fields. */
@@ -109,13 +116,16 @@ struct cbfs_file_attribute {
/* Depending on how the header was initialized, it may be backed with 0x00 or
* 0xff. Support both. */
-#define CBFS_FILE_ATTR_TAG_UNUSED 0
-#define CBFS_FILE_ATTR_TAG_UNUSED2 0xffffffff
-#define CBFS_FILE_ATTR_TAG_COMPRESSION 0x42435a4c
-#define CBFS_FILE_ATTR_TAG_HASH 0x68736148
-#define CBFS_FILE_ATTR_TAG_POSITION 0x42435350 /* PSCB */
-#define CBFS_FILE_ATTR_TAG_ALIGNMENT 0x42434c41 /* ALCB */
-#define CBFS_FILE_ATTR_TAG_IBB 0x32494242 /* Initial BootBlock */
+enum cbfs_file_attr_tag {
+ CBFS_FILE_ATTR_TAG_UNUSED = 0,
+ CBFS_FILE_ATTR_TAG_UNUSED2 = 0xffffffff,
+ CBFS_FILE_ATTR_TAG_COMPRESSION = 0x42435a4c, /* BE: 'BCZL' */
+ CBFS_FILE_ATTR_TAG_HASH = 0x68736148, /* BE: 'hsaH' */
+ CBFS_FILE_ATTR_TAG_POSITION = 0x42435350, /* BE: 'BCSP' */
+ CBFS_FILE_ATTR_TAG_ALIGNMENT = 0x42434c41, /* BE: 'BCLA' */
+ CBFS_FILE_ATTR_TAG_IBB = 0x32494242, /* BE: '2IBB' */
+ CBFS_FILE_ATTR_TAG_PADDING = 0x47444150, /* BE: 'GNDP' */
+};
struct cbfs_file_attr_compression {
uint32_t tag;
@@ -176,11 +186,13 @@ struct cbfs_payload {
struct cbfs_payload_segment segments;
};
-#define PAYLOAD_SEGMENT_CODE 0x434F4445
-#define PAYLOAD_SEGMENT_DATA 0x44415441
-#define PAYLOAD_SEGMENT_BSS 0x42535320
-#define PAYLOAD_SEGMENT_PARAMS 0x50415241
-#define PAYLOAD_SEGMENT_ENTRY 0x454E5452
+enum cbfs_payload_segment_type {
+ PAYLOAD_SEGMENT_CODE = 0x434F4445, /* BE: 'CODE' */
+ PAYLOAD_SEGMENT_DATA = 0x44415441, /* BE: 'DATA' */
+ PAYLOAD_SEGMENT_BSS = 0x42535320, /* BE: 'BSS ' */
+ PAYLOAD_SEGMENT_PARAMS = 0x50415241, /* BE: 'PARA' */
+ PAYLOAD_SEGMENT_ENTRY = 0x454E5452, /* BE: 'ENTR' */
+};
struct cbfs_optionrom {
uint32_t compression;
diff --git a/src/commonlib/cbfs.c b/src/commonlib/cbfs.c
index 999c35e52a..f256938d5f 100644
--- a/src/commonlib/cbfs.c
+++ b/src/commonlib/cbfs.c
@@ -335,7 +335,7 @@ int cbfs_vb2_hash_contents(const struct region_device *cbfs,
if (cbfsf_file_type(fh, &ftype))
return VB2_ERROR_UNKNOWN;
- if (ftype == CBFS_TYPE_DELETED || ftype == CBFS_TYPE_DELETED2)
+ if (ftype == CBFS_TYPE_DELETED || ftype == CBFS_TYPE_NULL)
continue;
rv = cbfs_extend_hash_with_offset(&ctx, cbfs, &fh->data);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 06:02:23 +0000