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Diffstat (limited to 'util/cbfstool/cbfstool.c')
-rw-r--r--util/cbfstool/cbfstool.c255
1 files changed, 136 insertions, 119 deletions
diff --git a/util/cbfstool/cbfstool.c b/util/cbfstool/cbfstool.c
index 024c9cfc25..a242a944c5 100644
--- a/util/cbfstool/cbfstool.c
+++ b/util/cbfstool/cbfstool.c
@@ -29,16 +29,23 @@
#include "common.h"
#include "cbfs.h"
#include "cbfs_image.h"
+#include "cbfs_sections.h"
#include "fit.h"
+#include "partitioned_file.h"
struct command {
const char *name;
const char *optstring;
int (*function) (void);
+ // Whether to populate param.image_region before invoking function
+ bool accesses_region;
+ // Whether to write that region's contents back to image_file at the end
+ bool modifies_region;
};
static struct param {
- char *cbfs_name;
+ partitioned_file_t *image_file;
+ struct buffer *image_region;
char *name;
char *filename;
char *bootblock;
@@ -74,8 +81,7 @@ static struct param {
typedef int (*convert_buffer_t)(struct buffer *buffer, uint32_t *offset);
-static int cbfs_add_integer_component(const char *cbfs_name,
- const char *name,
+static int cbfs_add_integer_component(const char *name,
uint64_t u64val,
uint32_t offset,
uint32_t headeroffset) {
@@ -94,10 +100,9 @@ static int cbfs_add_integer_component(const char *cbfs_name,
for (i = 0; i < 8; i++)
buffer.data[i] = (u64val >> i*8) & 0xff;
- if (cbfs_image_from_file(&image, cbfs_name, headeroffset) != 0) {
- ERROR("Could not load ROM image '%s'.\n", cbfs_name);
- buffer_delete(&buffer);
- return 1;
+ if (cbfs_image_from_buffer(&image, param.image_region, headeroffset)) {
+ ERROR("Selected image region is not a CBFS.\n");
+ goto done;
}
if (cbfs_get_entry(&image, name)) {
@@ -112,26 +117,20 @@ static int cbfs_add_integer_component(const char *cbfs_name,
goto done;
}
- if (cbfs_image_write_file(&image, cbfs_name) == 0)
- ret = 0;
+ ret = 0;
done:
buffer_delete(&buffer);
- cbfs_image_delete(&image);
return ret;
}
-static int cbfs_add_component(const char *cbfs_name,
- const char *filename,
+static int cbfs_add_component(const char *filename,
const char *name,
uint32_t type,
uint32_t offset,
uint32_t headeroffset,
convert_buffer_t convert)
{
- struct cbfs_image image;
- struct buffer buffer;
-
if (!filename) {
ERROR("You need to specify -f/--filename.\n");
return 1;
@@ -147,44 +146,37 @@ static int cbfs_add_component(const char *cbfs_name,
return 1;
}
- if (cbfs_image_from_file(&image, cbfs_name, headeroffset))
+ struct cbfs_image image;
+ if (cbfs_image_from_buffer(&image, param.image_region, headeroffset)) {
+ ERROR("Selected image region is not a CBFS.\n");
return 1;
+ }
+ struct buffer buffer;
if (buffer_from_file(&buffer, filename) != 0) {
ERROR("Could not load file '%s'.\n", filename);
- cbfs_image_delete(&image);
return 1;
}
if (convert && convert(&buffer, &offset) != 0) {
ERROR("Failed to parse file '%s'.\n", filename);
buffer_delete(&buffer);
- cbfs_image_delete(&image);
return 1;
}
if (cbfs_get_entry(&image, name)) {
ERROR("'%s' already in ROM image.\n", name);
buffer_delete(&buffer);
- cbfs_image_delete(&image);
return 1;
}
if (cbfs_add_entry(&image, &buffer, name, type, offset) != 0) {
ERROR("Failed to add '%s' into ROM image.\n", filename);
buffer_delete(&buffer);
- cbfs_image_delete(&image);
- return 1;
- }
-
- if (cbfs_image_write_file(&image, cbfs_name) != 0) {
- buffer_delete(&buffer);
- cbfs_image_delete(&image);
return 1;
}
buffer_delete(&buffer);
- cbfs_image_delete(&image);
return 0;
}
@@ -222,6 +214,7 @@ static int cbfstool_convert_mkpayload(struct buffer *buffer,
/* Not a supported payload type */
if (ret != 0) {
ERROR("Not a supported payload type (ELF / FV).\n");
+ buffer_delete(buffer);
return -1;
}
@@ -247,11 +240,9 @@ static int cbfstool_convert_mkflatpayload(struct buffer *buffer,
return 0;
}
-
static int cbfs_add(void)
{
- return cbfs_add_component(param.cbfs_name,
- param.filename,
+ return cbfs_add_component(param.filename,
param.name,
param.type,
param.baseaddress,
@@ -261,8 +252,7 @@ static int cbfs_add(void)
static int cbfs_add_stage(void)
{
- return cbfs_add_component(param.cbfs_name,
- param.filename,
+ return cbfs_add_component(param.filename,
param.name,
CBFS_COMPONENT_STAGE,
param.baseaddress,
@@ -272,8 +262,7 @@ static int cbfs_add_stage(void)
static int cbfs_add_payload(void)
{
- return cbfs_add_component(param.cbfs_name,
- param.filename,
+ return cbfs_add_component(param.filename,
param.name,
CBFS_COMPONENT_PAYLOAD,
param.baseaddress,
@@ -293,8 +282,7 @@ static int cbfs_add_flat_binary(void)
"-e/--entry-point.\n");
return 1;
}
- return cbfs_add_component(param.cbfs_name,
- param.filename,
+ return cbfs_add_component(param.filename,
param.name,
CBFS_COMPONENT_PAYLOAD,
param.baseaddress,
@@ -304,8 +292,7 @@ static int cbfs_add_flat_binary(void)
static int cbfs_add_integer(void)
{
- return cbfs_add_integer_component(param.cbfs_name,
- param.name,
+ return cbfs_add_integer_component(param.name,
param.u64val,
param.baseaddress,
param.headeroffset);
@@ -313,46 +300,35 @@ static int cbfs_add_integer(void)
static int cbfs_remove(void)
{
- struct cbfs_image image;
-
if (!param.name) {
ERROR("You need to specify -n/--name.\n");
return 1;
}
- if (cbfs_image_from_file(&image, param.cbfs_name, param.headeroffset))
+ struct cbfs_image image;
+ if (cbfs_image_from_buffer(&image, param.image_region,
+ param.headeroffset)) {
+ ERROR("Selected image region is not a CBFS.\n");
return 1;
+ }
if (cbfs_remove_entry(&image, param.name) != 0) {
ERROR("Removing file '%s' failed.\n",
param.name);
- cbfs_image_delete(&image);
- return 1;
- }
- if (cbfs_image_write_file(&image, param.cbfs_name) != 0) {
- cbfs_image_delete(&image);
return 1;
}
- cbfs_image_delete(&image);
return 0;
}
static int cbfs_create(void)
{
- struct cbfs_image image;
- struct buffer bootblock;
-
- if (param.size == 0) {
- ERROR("You need to specify a valid -s/--size.\n");
- return 1;
- }
-
if (param.arch == CBFS_ARCHITECTURE_UNKNOWN) {
ERROR("You need to specify -m/--machine arch.\n");
return 1;
}
+ struct buffer bootblock;
if (!param.bootblock) {
DEBUG("-B not given, creating image without bootblock.\n");
buffer_create(&bootblock, 0, "(dummy)");
@@ -403,34 +379,29 @@ static int cbfs_create(void)
}
}
+ struct cbfs_image image;
+ if (!cbfs_image_from_buffer(&image, param.image_region, -1))
+ // It *already* contains a CBFS?! This should be a blank file.
+ assert(false);
+
if (cbfs_image_create(&image,
param.arch,
- param.size,
param.alignment,
&bootblock,
param.baseaddress,
param.headeroffset,
param.cbfsoffset) != 0) {
- ERROR("Failed to create %s.\n", param.cbfs_name);
+ ERROR("Failed to initialize CBFS structure.\n");
+ buffer_delete(&bootblock);
return 1;
}
- buffer_delete(&bootblock);
- if (cbfs_image_write_file(&image, param.cbfs_name) != 0) {
- ERROR("Failed to write %s.\n", param.cbfs_name);
- cbfs_image_delete(&image);
- return 1;
- }
- cbfs_image_delete(&image);
+ buffer_delete(&bootblock);
return 0;
}
static int cbfs_locate(void)
{
- struct cbfs_image image;
- struct buffer buffer;
- int32_t address;
-
if (!param.filename) {
ERROR("You need to specify -f/--filename.\n");
return 1;
@@ -441,33 +412,35 @@ static int cbfs_locate(void)
return 1;
}
- if (cbfs_image_from_file(&image, param.cbfs_name, param.headeroffset))
+ struct cbfs_image image;
+ if (cbfs_image_from_buffer(&image, param.image_region,
+ param.headeroffset)) {
+ ERROR("Selected image region is not a CBFS.\n");
return 1;
+ }
if (cbfs_get_entry(&image, param.name))
WARN("'%s' already in CBFS.\n", param.name);
+ struct buffer buffer;
if (buffer_from_file(&buffer, param.filename) != 0) {
ERROR("Cannot load %s.\n", param.filename);
- cbfs_image_delete(&image);
return 1;
}
- address = cbfs_locate_entry(&image, param.name, buffer.size,
+ int32_t address = cbfs_locate_entry(&image, param.name, buffer.size,
param.pagesize, param.alignment);
buffer_delete(&buffer);
if (address == -1) {
ERROR("'%s' can't fit in CBFS for page-size %#x, align %#x.\n",
param.name, param.pagesize, param.alignment);
- cbfs_image_delete(&image);
return 1;
}
if (param.top_aligned)
address = address - image.header.romsize;
- cbfs_image_delete(&image);
printf("0x%x\n", address);
return 0;
}
@@ -475,19 +448,18 @@ static int cbfs_locate(void)
static int cbfs_print(void)
{
struct cbfs_image image;
- if (cbfs_image_from_file(&image, param.cbfs_name, param.headeroffset))
+ if (cbfs_image_from_buffer(&image, param.image_region,
+ param.headeroffset)) {
+ ERROR("Selected image region is not a CBFS.\n");
return 1;
+ }
cbfs_print_directory(&image);
- cbfs_image_delete(&image);
return 0;
}
static int cbfs_extract(void)
{
- int result = 0;
- struct cbfs_image image;
-
if (!param.filename) {
ERROR("You need to specify -f/--filename.\n");
return 1;
@@ -498,21 +470,18 @@ static int cbfs_extract(void)
return 1;
}
- if (cbfs_image_from_file(&image, param.cbfs_name, param.headeroffset))
- result = 1;
- else if (cbfs_export_entry(&image, param.name,
- param.filename))
- result = 1;
+ struct cbfs_image image;
+ if (cbfs_image_from_buffer(&image, param.image_region,
+ param.headeroffset)) {
+ ERROR("Selected image region is not a CBFS.\n");
+ return 1;
+ }
- cbfs_image_delete(&image);
- return result;
+ return cbfs_export_entry(&image, param.name, param.filename);
}
static int cbfs_update_fit(void)
{
- int ret = 0;
- struct cbfs_image image;
-
if (!param.name) {
ERROR("You need to specify -n/--name.\n");
return 1;
@@ -524,21 +493,18 @@ static int cbfs_update_fit(void)
return 1;
}
- if (cbfs_image_from_file(&image, param.cbfs_name, param.headeroffset))
+ struct cbfs_image image;
+ if (cbfs_image_from_buffer(&image, param.image_region,
+ param.headeroffset)) {
+ ERROR("Selected image region is not a CBFS.\n");
return 1;
+ }
- ret = fit_update_table(&image, param.fit_empty_entries, param.name);
- if (!ret)
- ret = cbfs_image_write_file(&image, param.cbfs_name);
-
- cbfs_image_delete(&image);
- return ret;
+ return fit_update_table(&image, param.fit_empty_entries, param.name);
}
static int cbfs_copy(void)
{
- struct cbfs_image image;
-
if (!param.copyoffset_assigned) {
ERROR("You need to specify -D/--copy_offset.\n");
return 1;
@@ -549,31 +515,30 @@ static int cbfs_copy(void)
return 1;
}
- if (cbfs_image_from_file(&image, param.cbfs_name,
- param.headeroffset) != 0)
- return 1;
-
- if (cbfs_copy_instance(&image, param.copyoffset, param.size))
+ struct cbfs_image image;
+ if (cbfs_image_from_buffer(&image, param.image_region,
+ param.headeroffset)) {
+ ERROR("Selected image region is not a CBFS.\n");
return 1;
+ }
- /* Save the new image. */
- return buffer_write_file(&image.buffer, param.cbfs_name);
-
+ return cbfs_copy_instance(&image, param.copyoffset, param.size);
}
static const struct command commands[] = {
- {"add", "H;f:n:t:b:vh?", cbfs_add},
- {"add-flat-binary", "H:f:n:l:e:c:b:vh?", cbfs_add_flat_binary},
- {"add-payload", "H:f:n:t:c:b:vh?C:I:", cbfs_add_payload},
- {"add-stage", "H:f:n:t:c:b:S:vh?", cbfs_add_stage},
- {"add-int", "H:i:n:b:vh?", cbfs_add_integer},
- {"create", "s:B:b:H:a:o:m:vh?", cbfs_create},
- {"copy", "H:D:s:", cbfs_copy},
- {"extract", "H:n:f:vh?", cbfs_extract},
- {"locate", "H:f:n:P:a:Tvh?", cbfs_locate},
- {"print", "H:vh?", cbfs_print},
- {"remove", "H:n:vh?", cbfs_remove},
- {"update-fit", "H:n:x:vh?", cbfs_update_fit},
+ {"add", "H:f:n:t:b:vh?", cbfs_add, true, true},
+ {"add-flat-binary", "H:f:n:l:e:c:b:vh?", cbfs_add_flat_binary, true,
+ true},
+ {"add-payload", "H:f:n:t:c:b:vh?C:I:", cbfs_add_payload, true, true},
+ {"add-stage", "H:f:n:t:c:b:S:vh?", cbfs_add_stage, true, true},
+ {"add-int", "H:i:n:b:vh?", cbfs_add_integer, true, true},
+ {"copy", "H:D:s:", cbfs_copy, true, true},
+ {"create", "s:B:b:H:a:o:m:vh?", cbfs_create, true, true},
+ {"extract", "H:n:f:vh?", cbfs_extract, true, false},
+ {"locate", "H:f:n:P:a:Tvh?", cbfs_locate, true, false},
+ {"print", "H:vh?", cbfs_print, true, false},
+ {"remove", "H:n:vh?", cbfs_remove, true, true},
+ {"update-fit", "H:n:x:vh?", cbfs_update_fit, true, true},
};
static struct option long_options[] = {
@@ -666,7 +631,7 @@ int main(int argc, char **argv)
return 1;
}
- param.cbfs_name = argv[1];
+ char *image_name = argv[1];
char *cmd = argv[2];
optind += 2;
@@ -793,7 +758,59 @@ int main(int argc, char **argv)
}
}
- return commands[i].function();
+ if (commands[i].function == cbfs_create) {
+ if (param.size == 0) {
+ ERROR("You need to specify a valid -s/--size.\n");
+ return 1;
+ }
+ param.image_file = partitioned_file_create_flat(
+ image_name, param.size);
+ } else {
+ param.image_file =
+ partitioned_file_reopen(image_name,
+ partitioned_file_open_as_flat);
+ }
+ if (!param.image_file)
+ return 1;
+
+ // If the action needs to read an image region, as indicated by
+ // having accesses_region set in its command struct, that
+ // region's buffer struct will be stored here and the client
+ // will receive a pointer to it via param.image_region. It
+ // need not write the buffer back to the image file itself,
+ // since this behavior can be requested via its modifies_region
+ // field. Additionally, it should never free the region buffer,
+ // as that is performed automatically once it completes.
+ struct buffer image_region;
+ memset(&image_region, 0, sizeof(image_region));
+
+ if (commands[i].accesses_region) {
+ assert(param.image_file);
+
+ if (!partitioned_file_read_region(&image_region,
+ param.image_file, SECTION_NAME_PRIMARY_CBFS)) {
+ partitioned_file_close(param.image_file);
+ return 1;
+ }
+ param.image_region = &image_region;
+ }
+
+ int error = commands[i].function();
+
+ if (!error && commands[i].modifies_region) {
+ assert(param.image_file);
+ assert(commands[i].accesses_region);
+
+ if (!partitioned_file_write_region(param.image_file,
+ &image_region)) {
+ partitioned_file_close(param.image_file);
+ return 1;
+ }
+ }
+
+ partitioned_file_close(param.image_file);
+
+ return error;
}
ERROR("Unknown command '%s'.\n", cmd);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 00:37:46 +0000