diff options
Diffstat (limited to 'util/amdfwtool/amdfwtool.c')
-rw-r--r-- | util/amdfwtool/amdfwtool.c | 50 |
1 files changed, 27 insertions, 23 deletions
diff --git a/util/amdfwtool/amdfwtool.c b/util/amdfwtool/amdfwtool.c index 19a9438ddc..4c570be5df 100644 --- a/util/amdfwtool/amdfwtool.c +++ b/util/amdfwtool/amdfwtool.c @@ -111,6 +111,7 @@ enum signature_id { #define HASH_FILE_SUFFIX ".hash" #define EFS_FILE_SUFFIX ".efs" #define TMP_FILE_SUFFIX ".tmp" +#define BODY_FILE_SUFFIX ".body" /* * Beginning with Family 15h Models 70h-7F, a.k.a Stoney Ridge, the PSP @@ -2043,53 +2044,53 @@ static int set_efs_table(uint8_t soc_id, amd_cb_config *cb_config, return 0; } -static ssize_t write_efs(char *output, embedded_firmware *amd_romsig, context *ctx) +static ssize_t write_body(char *output, void *body_offset, ssize_t body_size, context *ctx) { - char efs_name[PATH_MAX], efs_tmp_name[PATH_MAX]; + char body_name[PATH_MAX], body_tmp_name[PATH_MAX]; int ret; int fd; ssize_t bytes = -1; /* Create a tmp file and rename it at the end so that make does not get confused if amdfwtool is killed for some unexpected reasons. */ - ret = snprintf(efs_tmp_name, sizeof(efs_tmp_name), "%s%s%s", - output, EFS_FILE_SUFFIX, TMP_FILE_SUFFIX); + ret = snprintf(body_tmp_name, sizeof(body_tmp_name), "%s%s%s", + output, BODY_FILE_SUFFIX, TMP_FILE_SUFFIX); if (ret < 0) { - fprintf(stderr, "Error %s forming EFS tmp file name: %d\n", + fprintf(stderr, "Error %s forming BODY tmp file name: %d\n", strerror(errno), ret); amdfwtool_cleanup(ctx); exit(1); - } else if ((unsigned int)ret >= sizeof(efs_tmp_name)) { - fprintf(stderr, "EFS File name %d > %zu\n", ret, sizeof(efs_tmp_name)); + } else if ((unsigned int)ret >= sizeof(body_tmp_name)) { + fprintf(stderr, "BODY File name %d > %zu\n", ret, sizeof(body_tmp_name)); amdfwtool_cleanup(ctx); exit(1); } - fd = open(efs_tmp_name, O_RDWR | O_CREAT | O_TRUNC, 0666); + fd = open(body_tmp_name, O_RDWR | O_CREAT | O_TRUNC, 0666); if (fd < 0) { - fprintf(stderr, "Error: Opening %s file: %s\n", efs_tmp_name, strerror(errno)); + fprintf(stderr, "Error: Opening %s file: %s\n", body_tmp_name, strerror(errno)); amdfwtool_cleanup(ctx); exit(1); } - bytes = write_from_buf_to_file(fd, amd_romsig, sizeof(*amd_romsig)); - if (bytes != sizeof(*amd_romsig)) { - fprintf(stderr, "Error: Writing to file %s failed\n", efs_tmp_name); + bytes = write_from_buf_to_file(fd, body_offset, body_size); + if (bytes != body_size) { + fprintf(stderr, "Error: Writing to file %s failed\n", body_tmp_name); amdfwtool_cleanup(ctx); exit(1); } close(fd); /* Rename the tmp file */ - ret = snprintf(efs_name, sizeof(efs_name), "%s%s", output, EFS_FILE_SUFFIX); + ret = snprintf(body_name, sizeof(body_name), "%s%s", output, BODY_FILE_SUFFIX); if (ret < 0) { - fprintf(stderr, "Error %s forming EFS file name: %d\n", strerror(errno), ret); + fprintf(stderr, "Error %s forming BODY file name: %d\n", strerror(errno), ret); amdfwtool_cleanup(ctx); exit(1); } - if (rename(efs_tmp_name, efs_name)) { - fprintf(stderr, "Error: renaming file %s to %s\n", efs_tmp_name, efs_name); + if (rename(body_tmp_name, body_name)) { + fprintf(stderr, "Error: renaming file %s to %s\n", body_tmp_name, body_name); amdfwtool_cleanup(ctx); exit(1); } @@ -2666,11 +2667,13 @@ int main(int argc, char **argv) targetfd = open(output, O_RDWR | O_CREAT | O_TRUNC, 0666); if (targetfd >= 0) { - ssize_t bytes; - uint32_t offset = body_location ? body_location : AMD_ROMSIG_OFFSET; + uint32_t offset = efs_location; + uint32_t bytes = efs_location == body_location ? + ctx.current - offset : sizeof(*amd_romsig); + uint32_t ret_bytes; - bytes = write(targetfd, BUFF_OFFSET(ctx, offset), ctx.current - offset); - if (bytes != ctx.current - offset) { + ret_bytes = write(targetfd, BUFF_OFFSET(ctx, offset), bytes); + if (bytes != ret_bytes) { fprintf(stderr, "Error: Writing to file %s failed\n", output); retval = 1; } @@ -2683,9 +2686,10 @@ int main(int argc, char **argv) if (efs_location != body_location) { ssize_t bytes; - bytes = write_efs(output, amd_romsig, &ctx); - if (bytes != sizeof(*amd_romsig)) { - fprintf(stderr, "Error: Writing EFS\n"); + bytes = write_body(output, BUFF_OFFSET(ctx, body_location), + ctx.current - body_location, &ctx); + if (bytes != ctx.current - body_location) { + fprintf(stderr, "Error: Writing body\n"); retval = 1; } } |