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-rw-r--r--tools/.gitignore1
-rw-r--r--tools/Makefile25
-rwxr-xr-xtools/checkpatch.pl1
-rw-r--r--tools/fit_image.c44
-rw-r--r--tools/image-host.c527
-rw-r--r--tools/mkimage.c36
-rw-r--r--tools/mkimage.h16
-rw-r--r--tools/pblimage.c32
-rw-r--r--tools/proftool.c611
9 files changed, 1261 insertions, 32 deletions
diff --git a/tools/.gitignore b/tools/.gitignore
index 9bce719..a7fee26 100644
--- a/tools/.gitignore
+++ b/tools/.gitignore
@@ -9,6 +9,7 @@
/mxsboot
/ncb
/ncp
+/proftool
/ubsha1
/xway-swap-bytes
/*.exe
diff --git a/tools/Makefile b/tools/Makefile
index 4630f03..46159b2 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -74,11 +74,13 @@ BIN_FILES-$(CONFIG_MX28) += mxsboot$(SFX)
BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX)
BIN_FILES-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1$(SFX)
BIN_FILES-$(CONFIG_KIRKWOOD) += kwboot$(SFX)
+BIN_FILES-y += proftool(SFX)
# Source files which exist outside the tools directory
EXT_OBJ_FILES-$(CONFIG_BUILD_ENVCRC) += common/env_embedded.o
EXT_OBJ_FILES-y += common/image.o
EXT_OBJ_FILES-$(CONFIG_FIT) += common/image-fit.o
+EXT_OBJ_FILES-y += common/image-sig.o
EXT_OBJ_FILES-y += lib/crc32.o
EXT_OBJ_FILES-y += lib/md5.o
EXT_OBJ_FILES-y += lib/sha1.o
@@ -87,6 +89,7 @@ EXT_OBJ_FILES-y += lib/sha1.o
OBJ_FILES-$(CONFIG_LCD_LOGO) += bmp_logo.o
OBJ_FILES-$(CONFIG_VIDEO_LOGO) += bmp_logo.o
NOPED_OBJ_FILES-y += default_image.o
+NOPED_OBJ_FILES-y += proftool.o
OBJ_FILES-$(CONFIG_BUILD_ENVCRC) += envcrc.o
NOPED_OBJ_FILES-y += fit_image.o
OBJ_FILES-$(CONFIG_CMD_NET) += gen_eth_addr.o
@@ -122,6 +125,9 @@ LIBFDT_OBJ_FILES-y += fdt_rw.o
LIBFDT_OBJ_FILES-y += fdt_strerror.o
LIBFDT_OBJ_FILES-y += fdt_wip.o
+# RSA objects
+RSA_OBJ_FILES-$(CONFIG_FIT_SIGNATURE) += rsa-sign.o
+
# Generated LCD/video logo
LOGO_H = $(OBJTREE)/include/bmp_logo.h
LOGO_DATA_H = $(OBJTREE)/include/bmp_logo_data.h
@@ -149,8 +155,14 @@ endif # !LOGO_BMP
HOSTSRCS += $(addprefix $(SRCTREE)/,$(EXT_OBJ_FILES-y:.o=.c))
HOSTSRCS += $(addprefix $(SRCTREE)/tools/,$(OBJ_FILES-y:.o=.c))
HOSTSRCS += $(addprefix $(SRCTREE)/lib/libfdt/,$(LIBFDT_OBJ_FILES-y:.o=.c))
+HOSTSRCS += $(addprefix $(SRCTREE)/lib/rsa/,$(RSA_OBJ_FILES-y:.o=.c))
BINS := $(addprefix $(obj),$(sort $(BIN_FILES-y)))
LIBFDT_OBJS := $(addprefix $(obj),$(LIBFDT_OBJ_FILES-y))
+RSA_OBJS := $(addprefix $(obj),$(RSA_OBJ_FILES-y))
+
+# We cannot check CONFIG_FIT_SIGNATURE here since it is not set on the host
+FIT_SIG_OBJ_FILES := image-sig.o
+FIT_SIG_OBJS := $(addprefix $(obj),$(FIT_SIG_OBJ_FILES))
HOSTOBJS := $(addprefix $(obj),$(OBJ_FILES-y))
NOPEDOBJS := $(addprefix $(obj),$(NOPED_OBJ_FILES-y))
@@ -180,6 +192,10 @@ $(obj)bmp_logo$(SFX): $(obj)bmp_logo.o
$(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^
$(HOSTSTRIP) $@
+$(obj)proftool(SFX): $(obj)proftool.o
+ $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^
+ $(HOSTSTRIP) $@
+
$(obj)envcrc$(SFX): $(obj)crc32.o $(obj)env_embedded.o $(obj)envcrc.o $(obj)sha1.o
$(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^
@@ -207,6 +223,7 @@ $(obj)mkimage$(SFX): $(obj)aisimage.o \
$(obj)image-fit.o \
$(obj)image.o \
$(obj)image-host.o \
+ $(FIT_SIG_OBJS) \
$(obj)imximage.o \
$(obj)kwbimage.o \
$(obj)pblimage.o \
@@ -216,8 +233,9 @@ $(obj)mkimage$(SFX): $(obj)aisimage.o \
$(obj)omapimage.o \
$(obj)sha1.o \
$(obj)ublimage.o \
- $(LIBFDT_OBJS)
- $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^
+ $(LIBFDT_OBJS) \
+ $(RSA_OBJS)
+ $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^ $(HOSTLIBS)
$(HOSTSTRIP) $@
$(obj)mk$(BOARD)spl$(SFX): $(obj)mkexynosspl.o
@@ -253,6 +271,9 @@ $(obj)%.o: $(SRCTREE)/lib/%.c
$(obj)%.o: $(SRCTREE)/lib/libfdt/%.c
$(HOSTCC) -g $(HOSTCFLAGS_NOPED) -c -o $@ $<
+$(obj)%.o: $(SRCTREE)/lib/rsa/%.c
+ $(HOSTCC) -g $(HOSTCFLAGS_NOPED) -c -o $@ $<
+
subdirs:
ifeq ($(TOOLSUBDIRS),)
@:
diff --git a/tools/checkpatch.pl b/tools/checkpatch.pl
index 9f23901..896e2bc 100755
--- a/tools/checkpatch.pl
+++ b/tools/checkpatch.pl
@@ -273,6 +273,7 @@ our $logFunctions = qr{(?x:
WARN(?:_RATELIMIT|_ONCE|)|
panic|
debug|
+ printf|
MODULE_[A-Z_]+
)};
diff --git a/tools/fit_image.c b/tools/fit_image.c
index cc123dd..281c2bd 100644
--- a/tools/fit_image.c
+++ b/tools/fit_image.c
@@ -105,9 +105,11 @@ static int fit_handle_file (struct mkimage_params *params)
{
char tmpfile[MKIMAGE_MAX_TMPFILE_LEN];
char cmd[MKIMAGE_MAX_DTC_CMDLINE_LEN];
- int tfd;
+ int tfd, destfd = 0;
+ void *dest_blob = NULL;
struct stat sbuf;
void *ptr;
+ off_t destfd_size = 0;
/* Flattened Image Tree (FIT) format handling */
debug ("FIT format handling\n");
@@ -122,29 +124,44 @@ static int fit_handle_file (struct mkimage_params *params)
}
sprintf (tmpfile, "%s%s", params->imagefile, MKIMAGE_TMPFILE_SUFFIX);
- /* dtc -I dts -O dtb -p 500 datafile > tmpfile */
- sprintf (cmd, "%s %s %s > %s",
- MKIMAGE_DTC, params->dtc, params->datafile, tmpfile);
- debug ("Trying to execute \"%s\"\n", cmd);
+ /* We either compile the source file, or use the existing FIT image */
+ if (params->datafile) {
+ /* dtc -I dts -O dtb -p 500 datafile > tmpfile */
+ snprintf(cmd, sizeof(cmd), "%s %s %s > %s",
+ MKIMAGE_DTC, params->dtc, params->datafile, tmpfile);
+ debug("Trying to execute \"%s\"\n", cmd);
+ } else {
+ snprintf(cmd, sizeof(cmd), "cp %s %s",
+ params->imagefile, tmpfile);
+ }
if (system (cmd) == -1) {
fprintf (stderr, "%s: system(%s) failed: %s\n",
params->cmdname, cmd, strerror(errno));
goto err_system;
}
+ if (params->keydest) {
+ destfd = mmap_fdt(params, params->keydest, &dest_blob, &sbuf);
+ if (destfd < 0)
+ goto err_keydest;
+ destfd_size = sbuf.st_size;
+ }
+
tfd = mmap_fdt(params, tmpfile, &ptr, &sbuf);
if (tfd < 0)
goto err_mmap;
/* set hashes for images in the blob */
- if (fit_add_verification_data(ptr)) {
- fprintf (stderr, "%s Can't add hashes to FIT blob",
- params->cmdname);
+ if (fit_add_verification_data(params->keydir,
+ dest_blob, ptr, params->comment,
+ params->require_keys)) {
+ fprintf(stderr, "%s Can't add hashes to FIT blob\n",
+ params->cmdname);
goto err_add_hashes;
}
- /* add a timestamp at offset 0 i.e., root */
- if (fit_set_timestamp (ptr, 0, sbuf.st_mtime)) {
+ /* for first image creation, add a timestamp at offset 0 i.e., root */
+ if (params->datafile && fit_set_timestamp(ptr, 0, sbuf.st_mtime)) {
fprintf (stderr, "%s: Can't add image timestamp\n",
params->cmdname);
goto err_add_timestamp;
@@ -153,6 +170,10 @@ static int fit_handle_file (struct mkimage_params *params)
munmap ((void *)ptr, sbuf.st_size);
close (tfd);
+ if (dest_blob) {
+ munmap(dest_blob, destfd_size);
+ close(destfd);
+ }
if (rename (tmpfile, params->imagefile) == -1) {
fprintf (stderr, "%s: Can't rename %s to %s: %s\n",
@@ -168,6 +189,9 @@ err_add_timestamp:
err_add_hashes:
munmap(ptr, sbuf.st_size);
err_mmap:
+ if (dest_blob)
+ munmap(dest_blob, destfd_size);
+err_keydest:
err_system:
unlink(tmpfile);
return -1;
diff --git a/tools/image-host.c b/tools/image-host.c
index d944d0f..932384b 100644
--- a/tools/image-host.c
+++ b/tools/image-host.c
@@ -26,12 +26,8 @@
*/
#include "mkimage.h"
-#include <bootstage.h>
#include <image.h>
-#include <sha1.h>
-#include <time.h>
-#include <u-boot/crc.h>
-#include <u-boot/md5.h>
+#include <version.h>
/**
* fit_set_hash_value - set hash value in requested has node
@@ -108,9 +104,165 @@ static int fit_image_process_hash(void *fit, const char *image_name,
}
/**
- * fit_image_add_verification_data() - calculate/set hash data for image node
+ * fit_image_write_sig() - write the signature to a FIT
*
- * This adds hash values for a component image node.
+ * This writes the signature and signer data to the FIT.
+ *
+ * @fit: pointer to the FIT format image header
+ * @noffset: hash node offset
+ * @value: signature value to be set
+ * @value_len: signature value length
+ * @comment: Text comment to write (NULL for none)
+ *
+ * returns
+ * 0, on success
+ * -FDT_ERR_..., on failure
+ */
+static int fit_image_write_sig(void *fit, int noffset, uint8_t *value,
+ int value_len, const char *comment, const char *region_prop,
+ int region_proplen)
+{
+ int string_size;
+ int ret;
+
+ /*
+ * Get the current string size, before we update the FIT and add
+ * more
+ */
+ string_size = fdt_size_dt_strings(fit);
+
+ ret = fdt_setprop(fit, noffset, FIT_VALUE_PROP, value, value_len);
+ if (!ret) {
+ ret = fdt_setprop_string(fit, noffset, "signer-name",
+ "mkimage");
+ }
+ if (!ret) {
+ ret = fdt_setprop_string(fit, noffset, "signer-version",
+ PLAIN_VERSION);
+ }
+ if (comment && !ret)
+ ret = fdt_setprop_string(fit, noffset, "comment", comment);
+ if (!ret)
+ ret = fit_set_timestamp(fit, noffset, time(NULL));
+ if (region_prop && !ret) {
+ uint32_t strdata[2];
+
+ ret = fdt_setprop(fit, noffset, "hashed-nodes",
+ region_prop, region_proplen);
+ strdata[0] = 0;
+ strdata[1] = cpu_to_fdt32(string_size);
+ if (!ret) {
+ ret = fdt_setprop(fit, noffset, "hashed-strings",
+ strdata, sizeof(strdata));
+ }
+ }
+
+ return ret;
+}
+
+static int fit_image_setup_sig(struct image_sign_info *info,
+ const char *keydir, void *fit, const char *image_name,
+ int noffset, const char *require_keys)
+{
+ const char *node_name;
+ char *algo_name;
+
+ node_name = fit_get_name(fit, noffset, NULL);
+ if (fit_image_hash_get_algo(fit, noffset, &algo_name)) {
+ printf("Can't get algo property for '%s' signature node in '%s' image node\n",
+ node_name, image_name);
+ return -1;
+ }
+
+ memset(info, '\0', sizeof(*info));
+ info->keydir = keydir;
+ info->keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL);
+ info->fit = fit;
+ info->node_offset = noffset;
+ info->algo = image_get_sig_algo(algo_name);
+ info->require_keys = require_keys;
+ if (!info->algo) {
+ printf("Unsupported signature algorithm (%s) for '%s' signature node in '%s' image node\n",
+ algo_name, node_name, image_name);
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * fit_image_process_sig- Process a single subnode of the images/ node
+ *
+ * Check each subnode and process accordingly. For signature nodes we
+ * generate a signed hash of the supplised data and store it in the node.
+ *
+ * @keydir: Directory containing keys to use for signing
+ * @keydest: Destination FDT blob to write public keys into
+ * @fit: pointer to the FIT format image header
+ * @image_name: name of image being processes (used to display errors)
+ * @noffset: subnode offset
+ * @data: data to process
+ * @size: size of data in bytes
+ * @comment: Comment to add to signature nodes
+ * @require_keys: Mark all keys as 'required'
+ * @return 0 if ok, -1 on error
+ */
+static int fit_image_process_sig(const char *keydir, void *keydest,
+ void *fit, const char *image_name,
+ int noffset, const void *data, size_t size,
+ const char *comment, int require_keys)
+{
+ struct image_sign_info info;
+ struct image_region region;
+ const char *node_name;
+ uint8_t *value;
+ uint value_len;
+ int ret;
+
+ if (fit_image_setup_sig(&info, keydir, fit, image_name, noffset,
+ require_keys ? "image" : NULL))
+ return -1;
+
+ node_name = fit_get_name(fit, noffset, NULL);
+ region.data = data;
+ region.size = size;
+ ret = info.algo->sign(&info, &region, 1, &value, &value_len);
+ if (ret) {
+ printf("Failed to sign '%s' signature node in '%s' image node: %d\n",
+ node_name, image_name, ret);
+
+ /* We allow keys to be missing */
+ if (ret == -ENOENT)
+ return 0;
+ return -1;
+ }
+
+ ret = fit_image_write_sig(fit, noffset, value, value_len, comment,
+ NULL, 0);
+ if (ret) {
+ printf("Can't write signature for '%s' signature node in '%s' image node: %s\n",
+ node_name, image_name, fdt_strerror(ret));
+ return -1;
+ }
+ free(value);
+
+ /* Get keyname again, as FDT has changed and invalidated our pointer */
+ info.keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL);
+
+ /* Write the public key into the supplied FDT file */
+ if (keydest && info.algo->add_verify_data(&info, keydest)) {
+ printf("Failed to add verification data for '%s' signature node in '%s' image node\n",
+ node_name, image_name);
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * fit_image_add_verification_data() - calculate/set verig. data for image node
+ *
+ * This adds hash and signature values for an component image node.
*
* All existing hash subnodes are checked, if algorithm property is set to
* one of the supported hash algorithms, hash value is computed and
@@ -133,11 +285,17 @@ static int fit_image_process_hash(void *fit, const char *image_name,
*
* For signature details, please see doc/uImage.FIT/signature.txt
*
+ * @keydir Directory containing *.key and *.crt files (or NULL)
+ * @keydest FDT Blob to write public keys into (NULL if none)
* @fit: Pointer to the FIT format image header
* @image_noffset: Requested component image node
+ * @comment: Comment to add to signature nodes
+ * @require_keys: Mark all keys as 'required'
* @return: 0 on success, <0 on failure
*/
-int fit_image_add_verification_data(void *fit, int image_noffset)
+int fit_image_add_verification_data(const char *keydir, void *keydest,
+ void *fit, int image_noffset, const char *comment,
+ int require_keys)
{
const char *image_name;
const void *data;
@@ -169,6 +327,12 @@ int fit_image_add_verification_data(void *fit, int image_noffset)
strlen(FIT_HASH_NODENAME))) {
ret = fit_image_process_hash(fit, image_name, noffset,
data, size);
+ } else if (IMAGE_ENABLE_SIGN && keydir &&
+ !strncmp(node_name, FIT_SIG_NODENAME,
+ strlen(FIT_SIG_NODENAME))) {
+ ret = fit_image_process_sig(keydir, keydest,
+ fit, image_name, noffset, data, size,
+ comment, require_keys);
}
if (ret)
return -1;
@@ -177,9 +341,326 @@ int fit_image_add_verification_data(void *fit, int image_noffset)
return 0;
}
-int fit_add_verification_data(void *fit)
+struct strlist {
+ int count;
+ char **strings;
+};
+
+static void strlist_init(struct strlist *list)
+{
+ memset(list, '\0', sizeof(*list));
+}
+
+static void strlist_free(struct strlist *list)
+{
+ int i;
+
+ for (i = 0; i < list->count; i++)
+ free(list->strings[i]);
+ free(list->strings);
+}
+
+static int strlist_add(struct strlist *list, const char *str)
+{
+ char *dup;
+
+ dup = strdup(str);
+ list->strings = realloc(list->strings,
+ (list->count + 1) * sizeof(char *));
+ if (!list || !str)
+ return -1;
+ list->strings[list->count++] = dup;
+
+ return 0;
+}
+
+static const char *fit_config_get_image_list(void *fit, int noffset,
+ int *lenp, int *allow_missingp)
+{
+ static const char default_list[] = FIT_KERNEL_PROP "\0"
+ FIT_FDT_PROP;
+ const char *prop;
+
+ /* If there is an "image" property, use that */
+ prop = fdt_getprop(fit, noffset, "sign-images", lenp);
+ if (prop) {
+ *allow_missingp = 0;
+ return *lenp ? prop : NULL;
+ }
+
+ /* Default image list */
+ *allow_missingp = 1;
+ *lenp = sizeof(default_list);
+
+ return default_list;
+}
+
+static int fit_config_get_hash_list(void *fit, int conf_noffset,
+ int sig_offset, struct strlist *node_inc)
+{
+ int allow_missing;
+ const char *prop, *iname, *end;
+ const char *conf_name, *sig_name;
+ char name[200], path[200];
+ int image_count;
+ int ret, len;
+
+ conf_name = fit_get_name(fit, conf_noffset, NULL);
+ sig_name = fit_get_name(fit, sig_offset, NULL);
+
+ /*
+ * Build a list of nodes we need to hash. We always need the root
+ * node and the configuration.
+ */
+ strlist_init(node_inc);
+ snprintf(name, sizeof(name), "%s/%s", FIT_CONFS_PATH, conf_name);
+ if (strlist_add(node_inc, "/") ||
+ strlist_add(node_inc, name))
+ goto err_mem;
+
+ /* Get a list of images that we intend to sign */
+ prop = fit_config_get_image_list(fit, conf_noffset, &len,
+ &allow_missing);
+ if (!prop)
+ return 0;
+
+ /* Locate the images */
+ end = prop + len;
+ image_count = 0;
+ for (iname = prop; iname < end; iname += strlen(iname) + 1) {
+ int noffset;
+ int image_noffset;
+ int hash_count;
+
+ image_noffset = fit_conf_get_prop_node(fit, conf_noffset,
+ iname);
+ if (image_noffset < 0) {
+ printf("Failed to find image '%s' in configuration '%s/%s'\n",
+ iname, conf_name, sig_name);
+ if (allow_missing)
+ continue;
+
+ return -ENOENT;
+ }
+
+ ret = fdt_get_path(fit, image_noffset, path, sizeof(path));
+ if (ret < 0)
+ goto err_path;
+ if (strlist_add(node_inc, path))
+ goto err_mem;
+
+ snprintf(name, sizeof(name), "%s/%s", FIT_CONFS_PATH,
+ conf_name);
+
+ /* Add all this image's hashes */
+ hash_count = 0;
+ for (noffset = fdt_first_subnode(fit, image_noffset);
+ noffset >= 0;
+ noffset = fdt_next_subnode(fit, noffset)) {
+ const char *name = fit_get_name(fit, noffset, NULL);
+
+ if (strncmp(name, FIT_HASH_NODENAME,
+ strlen(FIT_HASH_NODENAME)))
+ continue;
+ ret = fdt_get_path(fit, noffset, path, sizeof(path));
+ if (ret < 0)
+ goto err_path;
+ if (strlist_add(node_inc, path))
+ goto err_mem;
+ hash_count++;
+ }
+
+ if (!hash_count) {
+ printf("Failed to find any hash nodes in configuration '%s/%s' image '%s' - without these it is not possible to verify this image\n",
+ conf_name, sig_name, iname);
+ return -ENOMSG;
+ }
+
+ image_count++;
+ }
+
+ if (!image_count) {
+ printf("Failed to find any images for configuration '%s/%s'\n",
+ conf_name, sig_name);
+ return -ENOMSG;
+ }
+
+ return 0;
+
+err_mem:
+ printf("Out of memory processing configuration '%s/%s'\n", conf_name,
+ sig_name);
+ return -ENOMEM;
+
+err_path:
+ printf("Failed to get path for image '%s' in configuration '%s/%s': %s\n",
+ iname, conf_name, sig_name, fdt_strerror(ret));
+ return -ENOENT;
+}
+
+static int fit_config_get_data(void *fit, int conf_noffset, int noffset,
+ struct image_region **regionp, int *region_countp,
+ char **region_propp, int *region_proplen)
{
- int images_noffset;
+ char * const exc_prop[] = {"data"};
+ struct strlist node_inc;
+ struct image_region *region;
+ struct fdt_region fdt_regions[100];
+ const char *conf_name, *sig_name;
+ char path[200];
+ int count, i;
+ char *region_prop;
+ int ret, len;
+
+ conf_name = fit_get_name(fit, conf_noffset, NULL);
+ sig_name = fit_get_name(fit, conf_noffset, NULL);
+ debug("%s: conf='%s', sig='%s'\n", __func__, conf_name, sig_name);
+
+ /* Get a list of nodes we want to hash */
+ ret = fit_config_get_hash_list(fit, conf_noffset, noffset, &node_inc);
+ if (ret)
+ return ret;
+
+ /* Get a list of regions to hash */
+ count = fdt_find_regions(fit, node_inc.strings, node_inc.count,
+ exc_prop, ARRAY_SIZE(exc_prop),
+ fdt_regions, ARRAY_SIZE(fdt_regions),
+ path, sizeof(path), 1);
+ if (count < 0) {
+ printf("Failed to hash configuration '%s/%s': %s\n", conf_name,
+ sig_name, fdt_strerror(ret));
+ return -EIO;
+ }
+ if (count == 0) {
+ printf("No data to hash for configuration '%s/%s': %s\n",
+ conf_name, sig_name, fdt_strerror(ret));
+ return -EINVAL;
+ }
+
+ /* Build our list of data blocks */
+ region = fit_region_make_list(fit, fdt_regions, count, NULL);
+ if (!region) {
+ printf("Out of memory hashing configuration '%s/%s'\n",
+ conf_name, sig_name);
+ return -ENOMEM;
+ }
+
+ /* Create a list of all hashed properties */
+ debug("Hash nodes:\n");
+ for (i = len = 0; i < node_inc.count; i++) {
+ debug(" %s\n", node_inc.strings[i]);
+ len += strlen(node_inc.strings[i]) + 1;
+ }
+ region_prop = malloc(len);
+ if (!region_prop) {
+ printf("Out of memory setting up regions for configuration '%s/%s'\n",
+ conf_name, sig_name);
+ return -ENOMEM;
+ }
+ for (i = len = 0; i < node_inc.count;
+ len += strlen(node_inc.strings[i]) + 1, i++)
+ strcpy(region_prop + len, node_inc.strings[i]);
+ strlist_free(&node_inc);
+
+ *region_countp = count;
+ *regionp = region;
+ *region_propp = region_prop;
+ *region_proplen = len;
+
+ return 0;
+}
+
+static int fit_config_process_sig(const char *keydir, void *keydest,
+ void *fit, const char *conf_name, int conf_noffset,
+ int noffset, const char *comment, int require_keys)
+{
+ struct image_sign_info info;
+ const char *node_name;
+ struct image_region *region;
+ char *region_prop;
+ int region_proplen;
+ int region_count;
+ uint8_t *value;
+ uint value_len;
+ int ret;
+
+ node_name = fit_get_name(fit, noffset, NULL);
+ if (fit_config_get_data(fit, conf_noffset, noffset, &region,
+ &region_count, &region_prop, &region_proplen))
+ return -1;
+
+ if (fit_image_setup_sig(&info, keydir, fit, conf_name, noffset,
+ require_keys ? "conf" : NULL))
+ return -1;
+
+ ret = info.algo->sign(&info, region, region_count, &value, &value_len);
+ free(region);
+ if (ret) {
+ printf("Failed to sign '%s' signature node in '%s' conf node\n",
+ node_name, conf_name);
+
+ /* We allow keys to be missing */
+ if (ret == -ENOENT)
+ return 0;
+ return -1;
+ }
+
+ if (fit_image_write_sig(fit, noffset, value, value_len, comment,
+ region_prop, region_proplen)) {
+ printf("Can't write signature for '%s' signature node in '%s' conf node\n",
+ node_name, conf_name);
+ return -1;
+ }
+ free(value);
+ free(region_prop);
+
+ /* Get keyname again, as FDT has changed and invalidated our pointer */
+ info.keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL);
+
+ /* Write the public key into the supplied FDT file */
+ if (keydest && info.algo->add_verify_data(&info, keydest)) {
+ printf("Failed to add verification data for '%s' signature node in '%s' image node\n",
+ node_name, conf_name);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int fit_config_add_verification_data(const char *keydir, void *keydest,
+ void *fit, int conf_noffset, const char *comment,
+ int require_keys)
+{
+ const char *conf_name;
+ int noffset;
+
+ conf_name = fit_get_name(fit, conf_noffset, NULL);
+
+ /* Process all hash subnodes of the configuration node */
+ for (noffset = fdt_first_subnode(fit, conf_noffset);
+ noffset >= 0;
+ noffset = fdt_next_subnode(fit, noffset)) {
+ const char *node_name;
+ int ret = 0;
+
+ node_name = fit_get_name(fit, noffset, NULL);
+ if (!strncmp(node_name, FIT_SIG_NODENAME,
+ strlen(FIT_SIG_NODENAME))) {
+ ret = fit_config_process_sig(keydir, keydest,
+ fit, conf_name, conf_noffset, noffset, comment,
+ require_keys);
+ }
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+int fit_add_verification_data(const char *keydir, void *keydest, void *fit,
+ const char *comment, int require_keys)
+{
+ int images_noffset, confs_noffset;
int noffset;
int ret;
@@ -199,7 +680,31 @@ int fit_add_verification_data(void *fit)
* Direct child node of the images parent node,
* i.e. component image node.
*/
- ret = fit_image_add_verification_data(fit, noffset);
+ ret = fit_image_add_verification_data(keydir, keydest,
+ fit, noffset, comment, require_keys);
+ if (ret)
+ return ret;
+ }
+
+ /* If there are no keys, we can't sign configurations */
+ if (!IMAGE_ENABLE_SIGN || !keydir)
+ return 0;
+
+ /* Find configurations parent node offset */
+ confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
+ if (confs_noffset < 0) {
+ printf("Can't find images parent node '%s' (%s)\n",
+ FIT_IMAGES_PATH, fdt_strerror(confs_noffset));
+ return -ENOENT;
+ }
+
+ /* Process its subnodes, print out component images details */
+ for (noffset = fdt_first_subnode(fit, confs_noffset);
+ noffset >= 0;
+ noffset = fdt_next_subnode(fit, noffset)) {
+ ret = fit_config_add_verification_data(keydir, keydest,
+ fit, noffset, comment,
+ require_keys);
if (ret)
return ret;
}
diff --git a/tools/mkimage.c b/tools/mkimage.c
index e43b09f..d312844 100644
--- a/tools/mkimage.c
+++ b/tools/mkimage.c
@@ -183,6 +183,11 @@ main (int argc, char **argv)
genimg_get_arch_id (*++argv)) < 0)
usage ();
goto NXTARG;
+ case 'c':
+ if (--argc <= 0)
+ usage();
+ params.comment = *++argv;
+ goto NXTARG;
case 'C':
if ((--argc <= 0) ||
(params.comp =
@@ -240,19 +245,34 @@ main (int argc, char **argv)
case 'f':
if (--argc <= 0)
usage ();
+ params.datafile = *++argv;
+ /* no break */
+ case 'F':
/*
* The flattened image tree (FIT) format
* requires a flattened device tree image type
*/
params.type = IH_TYPE_FLATDT;
- params.datafile = *++argv;
params.fflag = 1;
goto NXTARG;
+ case 'k':
+ if (--argc <= 0)
+ usage();
+ params.keydir = *++argv;
+ goto NXTARG;
+ case 'K':
+ if (--argc <= 0)
+ usage();
+ params.keydest = *++argv;
+ goto NXTARG;
case 'n':
if (--argc <= 0)
usage ();
params.imagename = *++argv;
goto NXTARG;
+ case 'r':
+ params.require_keys = 1;
+ break;
case 'R':
if (--argc <= 0)
usage();
@@ -623,8 +643,20 @@ usage ()
" -d ==> use image data from 'datafile'\n"
" -x ==> set XIP (execute in place)\n",
params.cmdname);
- fprintf (stderr, " %s [-D dtc_options] -f fit-image.its fit-image\n",
+ fprintf(stderr, " %s [-D dtc_options] [-f fit-image.its|-F] fit-image\n",
params.cmdname);
+ fprintf(stderr, " -D => set options for device tree compiler\n"
+ " -f => input filename for FIT source\n");
+#ifdef CONFIG_FIT_SIGNATURE
+ fprintf(stderr, "Signing / verified boot options: [-k keydir] [-K dtb] [ -c <comment>] [-r]\n"
+ " -k => set directory containing private keys\n"
+ " -K => write public keys to this .dtb file\n"
+ " -c => add comment in signature node\n"
+ " -F => re-sign existing FIT image\n"
+ " -r => mark keys used as 'required' in dtb\n");
+#else
+ fprintf(stderr, "Signing / verified boot not supported (CONFIG_FIT_SIGNATURE undefined)\n");
+#endif
fprintf (stderr, " %s -V ==> print version information and exit\n",
params.cmdname);
diff --git a/tools/mkimage.h b/tools/mkimage.h
index e07a615..1d9984e 100644
--- a/tools/mkimage.h
+++ b/tools/mkimage.h
@@ -44,12 +44,24 @@
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+static inline void *map_sysmem(ulong paddr, unsigned long len)
+{
+ return (void *)(uintptr_t)paddr;
+}
+
+static inline ulong map_to_sysmem(void *ptr)
+{
+ return (ulong)(uintptr_t)ptr;
+}
+
#define MKIMAGE_TMPFILE_SUFFIX ".tmp"
#define MKIMAGE_MAX_TMPFILE_LEN 256
#define MKIMAGE_DEFAULT_DTC_OPTIONS "-I dts -O dtb -p 500"
#define MKIMAGE_MAX_DTC_CMDLINE_LEN 512
#define MKIMAGE_DTC "dtc" /* assume dtc is in $PATH */
+#define IH_ARCH_DEFAULT IH_ARCH_INVALID
+
/*
* This structure defines all such variables those are initialized by
* mkimage main core and need to be referred by image type specific
@@ -75,6 +87,10 @@ struct mkimage_params {
char *datafile;
char *imagefile;
char *cmdname;
+ const char *keydir; /* Directory holding private keys */
+ const char *keydest; /* Destination .dtb for public key */
+ const char *comment; /* Comment to add to signature node */
+ int require_keys; /* 1 to mark signing keys as 'required' */
};
/*
diff --git a/tools/pblimage.c b/tools/pblimage.c
index 508a747..5f39dc5 100644
--- a/tools/pblimage.c
+++ b/tools/pblimage.c
@@ -26,18 +26,14 @@
#include "pblimage.h"
/*
- * The PBL can load up to 64 bytes at a time, so we split the U-Boot
- * image into 64 byte chunks. PBL needs a command for each piece, of
- * the form "81xxxxxx", where "xxxxxx" is the offset. SYS_TEXT_BASE
- * is 0xFFF80000 for PBL boot, and PBL only cares about low 24-bit,
- * so it starts from 0x81F80000.
+ * Initialize to an invalid value.
*/
-static uint32_t next_pbl_cmd = 0x81F80000;
+static uint32_t next_pbl_cmd = 0x82000000;
/*
* need to store all bytes in memory for calculating crc32, then write the
* bytes to image file for PBL boot.
*/
-static unsigned char mem_buf[600000];
+static unsigned char mem_buf[1000000];
static unsigned char *pmem_buf = mem_buf;
static int pbl_size;
static char *fname = "Unknown";
@@ -52,6 +48,27 @@ static union
#define ENDIANNESS ((char)endian_test.l)
+/*
+ * The PBL can load up to 64 bytes at a time, so we split the U-Boot
+ * image into 64 byte chunks. PBL needs a command for each piece, of
+ * the form "81xxxxxx", where "xxxxxx" is the offset. Calculate the
+ * start offset by subtracting the size of the u-boot image from the
+ * top of the allowable 24-bit range.
+ */
+static void init_next_pbl_cmd(FILE *fp_uboot)
+{
+ struct stat st;
+ int fd = fileno(fp_uboot);
+
+ if (fstat(fd, &st) == -1) {
+ printf("Error: Could not determine u-boot image size. %s\n",
+ strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+
+ next_pbl_cmd = 0x82000000 - st.st_size;
+}
+
static void generate_pbl_cmd(void)
{
uint32_t val = next_pbl_cmd;
@@ -80,6 +97,7 @@ static void pbl_fget(size_t size, FILE *stream)
/* load split u-boot with PBI command 81xxxxxx. */
static void load_uboot(FILE *fp_uboot)
{
+ init_next_pbl_cmd(fp_uboot);
while (next_pbl_cmd < 0x82000000) {
generate_pbl_cmd();
pbl_fget(64, fp_uboot);
diff --git a/tools/proftool.c b/tools/proftool.c
new file mode 100644
index 0000000..aa05e77
--- /dev/null
+++ b/tools/proftool.c
@@ -0,0 +1,611 @@
+/*
+ * Copyright (c) 2013 Google, Inc
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* Decode and dump U-Boot profiling information */
+
+#include <assert.h>
+#include <ctype.h>
+#include <limits.h>
+#include <regex.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/param.h>
+
+#include <compiler.h>
+#include <trace.h>
+
+#define MAX_LINE_LEN 500
+
+enum {
+ FUNCF_TRACE = 1 << 0, /* Include this function in trace */
+};
+
+struct func_info {
+ unsigned long offset;
+ const char *name;
+ unsigned long code_size;
+ unsigned long call_count;
+ unsigned flags;
+ /* the section this function is in */
+ struct objsection_info *objsection;
+};
+
+enum trace_line_type {
+ TRACE_LINE_INCLUDE,
+ TRACE_LINE_EXCLUDE,
+};
+
+struct trace_configline_info {
+ struct trace_configline_info *next;
+ enum trace_line_type type;
+ const char *name; /* identifier name / wildcard */
+ regex_t regex; /* Regex to use if name starts with / */
+};
+
+/* The contents of the trace config file */
+struct trace_configline_info *trace_config_head;
+
+struct func_info *func_list;
+int func_count;
+struct trace_call *call_list;
+int call_count;
+int verbose; /* Verbosity level 0=none, 1=warn, 2=notice, 3=info, 4=debug */
+unsigned long text_offset; /* text address of first function */
+
+static void outf(int level, const char *fmt, ...)
+ __attribute__ ((format (__printf__, 2, 3)));
+#define error(fmt, b...) outf(0, fmt, ##b)
+#define warn(fmt, b...) outf(1, fmt, ##b)
+#define notice(fmt, b...) outf(2, fmt, ##b)
+#define info(fmt, b...) outf(3, fmt, ##b)
+#define debug(fmt, b...) outf(4, fmt, ##b)
+
+
+static void outf(int level, const char *fmt, ...)
+{
+ if (verbose >= level) {
+ va_list args;
+
+ va_start(args, fmt);
+ vfprintf(stderr, fmt, args);
+ va_end(args);
+ }
+}
+
+static void usage(void)
+{
+ fprintf(stderr,
+ "Usage: proftool -cds -v3 <cmd> <profdata>\n"
+ "\n"
+ "Commands\n"
+ " dump-ftrace\t\tDump out textual data in ftrace format\n"
+ "\n"
+ "Options:\n"
+ " -m <map>\tSpecify Systen.map file\n"
+ " -t <trace>\tSpecific trace data file (from U-Boot)\n"
+ " -v <0-4>\tSpecify verbosity\n");
+ exit(EXIT_FAILURE);
+}
+
+static int h_cmp_offset(const void *v1, const void *v2)
+{
+ const struct func_info *f1 = v1, *f2 = v2;
+
+ return (f1->offset / FUNC_SITE_SIZE) - (f2->offset / FUNC_SITE_SIZE);
+}
+
+static int read_system_map(FILE *fin)
+{
+ unsigned long offset, start = 0;
+ struct func_info *func;
+ char buff[MAX_LINE_LEN];
+ char symtype;
+ char symname[MAX_LINE_LEN + 1];
+ int linenum;
+ int alloced;
+
+ for (linenum = 1, alloced = func_count = 0;; linenum++) {
+ int fields = 0;
+
+ if (fgets(buff, sizeof(buff), fin))
+ fields = sscanf(buff, "%lx %c %100s\n", &offset,
+ &symtype, symname);
+ if (fields == 2) {
+ continue;
+ } else if (feof(fin)) {
+ break;
+ } else if (fields < 2) {
+ error("Map file line %d: invalid format\n", linenum);
+ return 1;
+ }
+
+ /* Must be a text symbol */
+ symtype = tolower(symtype);
+ if (symtype != 't' && symtype != 'w')
+ continue;
+
+ if (func_count == alloced) {
+ alloced += 256;
+ func_list = realloc(func_list,
+ sizeof(struct func_info) * alloced);
+ assert(func_list);
+ }
+ if (!func_count)
+ start = offset;
+
+ func = &func_list[func_count++];
+ memset(func, '\0', sizeof(*func));
+ func->offset = offset - start;
+ func->name = strdup(symname);
+ func->flags = FUNCF_TRACE; /* trace by default */
+
+ /* Update previous function's code size */
+ if (func_count > 1)
+ func[-1].code_size = func->offset - func[-1].offset;
+ }
+ notice("%d functions found in map file\n", func_count);
+ text_offset = start;
+ return 0;
+}
+
+static int read_data(FILE *fin, void *buff, int size)
+{
+ int err;
+
+ err = fread(buff, 1, size, fin);
+ if (!err)
+ return 1;
+ if (err != size) {
+ error("Cannot read profile file at pos %ld\n", ftell(fin));
+ return -1;
+ }
+ return 0;
+}
+
+static struct func_info *find_func_by_offset(uint32_t offset)
+{
+ struct func_info key, *found;
+
+ key.offset = offset;
+ found = bsearch(&key, func_list, func_count, sizeof(struct func_info),
+ h_cmp_offset);
+
+ return found;
+}
+
+/* This finds the function which contains the given offset */
+static struct func_info *find_caller_by_offset(uint32_t offset)
+{
+ int low; /* least function that could be a match */
+ int high; /* greated function that could be a match */
+ struct func_info key;
+
+ low = 0;
+ high = func_count - 1;
+ key.offset = offset;
+ while (high > low + 1) {
+ int mid = (low + high) / 2;
+ int result;
+
+ result = h_cmp_offset(&key, &func_list[mid]);
+ if (result > 0)
+ low = mid;
+ else if (result < 0)
+ high = mid;
+ else
+ return &func_list[mid];
+ }
+
+ return low >= 0 ? &func_list[low] : NULL;
+}
+
+static int read_calls(FILE *fin, int count)
+{
+ struct trace_call *call_data;
+ int i;
+
+ notice("call count: %d\n", count);
+ call_list = (struct trace_call *)calloc(count, sizeof(*call_data));
+ if (!call_list) {
+ error("Cannot allocate call_list\n");
+ return -1;
+ }
+ call_count = count;
+
+ call_data = call_list;
+ for (i = 0; i < count; i++, call_data++) {
+ if (read_data(fin, call_data, sizeof(*call_data)))
+ return 1;
+ }
+ return 0;
+}
+
+static int read_profile(FILE *fin, int *not_found)
+{
+ struct trace_output_hdr hdr;
+
+ *not_found = 0;
+ while (!feof(fin)) {
+ int err;
+
+ err = read_data(fin, &hdr, sizeof(hdr));
+ if (err == 1)
+ break; /* EOF */
+ else if (err)
+ return 1;
+
+ switch (hdr.type) {
+ case TRACE_CHUNK_FUNCS:
+ /* Ignored at present */
+ break;
+
+ case TRACE_CHUNK_CALLS:
+ if (read_calls(fin, hdr.rec_count))
+ return 1;
+ break;
+ }
+ }
+ return 0;
+}
+
+static int read_map_file(const char *fname)
+{
+ FILE *fmap;
+ int err = 0;
+
+ fmap = fopen(fname, "r");
+ if (!fmap) {
+ error("Cannot open map file '%s'\n", fname);
+ return 1;
+ }
+ if (fmap) {
+ err = read_system_map(fmap);
+ fclose(fmap);
+ }
+ return err;
+}
+
+static int read_profile_file(const char *fname)
+{
+ int not_found = INT_MAX;
+ FILE *fprof;
+ int err;
+
+ fprof = fopen(fname, "rb");
+ if (!fprof) {
+ error("Cannot open profile data file '%s'\n",
+ fname);
+ return 1;
+ } else {
+ err = read_profile(fprof, &not_found);
+ fclose(fprof);
+ if (err)
+ return err;
+
+ if (not_found) {
+ warn("%d profile functions could not be found in the map file - are you sure that your profile data and map file correspond?\n",
+ not_found);
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static int regex_report_error(regex_t *regex, int err, const char *op,
+ const char *name)
+{
+ char buf[200];
+
+ regerror(err, regex, buf, sizeof(buf));
+ error("Regex error '%s' in %s '%s'\n", buf, op, name);
+ return -1;
+}
+
+static void check_trace_config_line(struct trace_configline_info *item)
+{
+ struct func_info *func, *end;
+ int err;
+
+ debug("Checking trace config line '%s'\n", item->name);
+ for (func = func_list, end = func + func_count; func < end; func++) {
+ err = regexec(&item->regex, func->name, 0, NULL, 0);
+ debug(" - regex '%s', string '%s': %d\n", item->name,
+ func->name, err);
+ if (err == REG_NOMATCH)
+ continue;
+
+ if (err) {
+ regex_report_error(&item->regex, err, "match",
+ item->name);
+ break;
+ }
+
+ /* It matches, so perform the action */
+ switch (item->type) {
+ case TRACE_LINE_INCLUDE:
+ info(" include %s at %lx\n", func->name,
+ text_offset + func->offset);
+ func->flags |= FUNCF_TRACE;
+ break;
+
+ case TRACE_LINE_EXCLUDE:
+ info(" exclude %s at %lx\n", func->name,
+ text_offset + func->offset);
+ func->flags &= ~FUNCF_TRACE;
+ break;
+ }
+ }
+}
+
+static void check_trace_config(void)
+{
+ struct trace_configline_info *line;
+
+ for (line = trace_config_head; line; line = line->next)
+ check_trace_config_line(line);
+}
+
+/**
+ * Check the functions to see if they each have an objsection. If not, then
+ * the linker must have eliminated them.
+ */
+static void check_functions(void)
+{
+ struct func_info *func, *end;
+ unsigned long removed_code_size = 0;
+ int not_found = 0;
+
+ /* Look for missing functions */
+ for (func = func_list, end = func + func_count; func < end; func++) {
+ if (!func->objsection) {
+ removed_code_size += func->code_size;
+ not_found++;
+ }
+ }
+
+ /* Figure out what functions we want to trace */
+ check_trace_config();
+
+ warn("%d functions removed by linker, %ld code size\n",
+ not_found, removed_code_size);
+}
+
+static int read_trace_config(FILE *fin)
+{
+ char buff[200];
+ int linenum = 0;
+ struct trace_configline_info **tailp = &trace_config_head;
+
+ while (fgets(buff, sizeof(buff), fin)) {
+ int len = strlen(buff);
+ struct trace_configline_info *line;
+ char *saveptr;
+ char *s, *tok;
+ int err;
+
+ linenum++;
+ if (len && buff[len - 1] == '\n')
+ buff[len - 1] = '\0';
+
+ /* skip blank lines and comments */
+ for (s = buff; *s == ' ' || *s == '\t'; s++)
+ ;
+ if (!*s || *s == '#')
+ continue;
+
+ line = (struct trace_configline_info *)calloc(1,
+ sizeof(*line));
+ if (!line) {
+ error("Cannot allocate config line\n");
+ return -1;
+ }
+
+ tok = strtok_r(s, " \t", &saveptr);
+ if (!tok) {
+ error("Invalid trace config data on line %d\n",
+ linenum);
+ return -1;
+ }
+ if (0 == strcmp(tok, "include-func")) {
+ line->type = TRACE_LINE_INCLUDE;
+ } else if (0 == strcmp(tok, "exclude-func")) {
+ line->type = TRACE_LINE_EXCLUDE;
+ } else {
+ error("Unknown command in trace config data line %d\n",
+ linenum);
+ return -1;
+ }
+
+ tok = strtok_r(NULL, " \t", &saveptr);
+ if (!tok) {
+ error("Missing pattern in trace config data line %d\n",
+ linenum);
+ return -1;
+ }
+
+ err = regcomp(&line->regex, tok, REG_NOSUB);
+ if (err) {
+ free(line);
+ return regex_report_error(&line->regex, err, "compile",
+ tok);
+ }
+
+ /* link this new one to the end of the list */
+ line->name = strdup(tok);
+ line->next = NULL;
+ *tailp = line;
+ tailp = &line->next;
+ }
+
+ if (!feof(fin)) {
+ error("Cannot read from trace config file at position %ld\n",
+ ftell(fin));
+ return -1;
+ }
+ return 0;
+}
+
+static int read_trace_config_file(const char *fname)
+{
+ FILE *fin;
+ int err;
+
+ fin = fopen(fname, "r");
+ if (!fin) {
+ error("Cannot open trace_config file '%s'\n", fname);
+ return -1;
+ }
+ err = read_trace_config(fin);
+ fclose(fin);
+ return err;
+}
+
+static void out_func(ulong func_offset, int is_caller, const char *suffix)
+{
+ struct func_info *func;
+
+ func = (is_caller ? find_caller_by_offset : find_func_by_offset)
+ (func_offset);
+
+ if (func)
+ printf("%s%s", func->name, suffix);
+ else
+ printf("%lx%s", func_offset, suffix);
+}
+
+/*
+ * # tracer: function
+ * #
+ * # TASK-PID CPU# TIMESTAMP FUNCTION
+ * # | | | | |
+ * # bash-4251 [01] 10152.583854: path_put <-path_walk
+ * # bash-4251 [01] 10152.583855: dput <-path_put
+ * # bash-4251 [01] 10152.583855: _atomic_dec_and_lock <-dput
+ */
+static int make_ftrace(void)
+{
+ struct trace_call *call;
+ int missing_count = 0, skip_count = 0;
+ int i;
+
+ printf("# tracer: ftrace\n"
+ "#\n"
+ "# TASK-PID CPU# TIMESTAMP FUNCTION\n"
+ "# | | | | |\n");
+ for (i = 0, call = call_list; i < call_count; i++, call++) {
+ struct func_info *func = find_func_by_offset(call->func);
+ ulong time = call->flags & FUNCF_TIMESTAMP_MASK;
+
+ if (TRACE_CALL_TYPE(call) != FUNCF_ENTRY &&
+ TRACE_CALL_TYPE(call) != FUNCF_EXIT)
+ continue;
+ if (!func) {
+ warn("Cannot find function at %lx\n",
+ text_offset + call->func);
+ missing_count++;
+ continue;
+ }
+
+ if (!(func->flags & FUNCF_TRACE)) {
+ debug("Funcion '%s' is excluded from trace\n",
+ func->name);
+ skip_count++;
+ continue;
+ }
+
+ printf("%16s-%-5d [01] %lu.%06lu: ", "uboot", 1,
+ time / 1000000, time % 1000000);
+
+ out_func(call->func, 0, " <- ");
+ out_func(call->caller, 1, "\n");
+ }
+ info("ftrace: %d functions not found, %d excluded\n", missing_count,
+ skip_count);
+
+ return 0;
+}
+
+static int prof_tool(int argc, char * const argv[],
+ const char *prof_fname, const char *map_fname,
+ const char *trace_config_fname)
+{
+ int err = 0;
+
+ if (read_map_file(map_fname))
+ return -1;
+ if (prof_fname && read_profile_file(prof_fname))
+ return -1;
+ if (trace_config_fname && read_trace_config_file(trace_config_fname))
+ return -1;
+
+ check_functions();
+
+ for (; argc; argc--, argv++) {
+ const char *cmd = *argv;
+
+ if (0 == strcmp(cmd, "dump-ftrace"))
+ err = make_ftrace();
+ else
+ warn("Unknown command '%s'\n", cmd);
+ }
+
+ return err;
+}
+
+int main(int argc, char *argv[])
+{
+ const char *map_fname = "System.map";
+ const char *prof_fname = NULL;
+ const char *trace_config_fname = NULL;
+ int opt;
+
+ verbose = 2;
+ while ((opt = getopt(argc, argv, "m:p:t:v:")) != -1) {
+ switch (opt) {
+ case 'm':
+ map_fname = optarg;
+ break;
+
+ case 'p':
+ prof_fname = optarg;
+ break;
+
+ case 't':
+ trace_config_fname = optarg;
+ break;
+
+ case 'v':
+ verbose = atoi(optarg);
+ break;
+
+ default:
+ usage();
+ }
+ }
+ argc -= optind; argv += optind;
+ if (argc < 1)
+ usage();
+
+ debug("Debug enabled\n");
+ return prof_tool(argc, argv, prof_fname, map_fname,
+ trace_config_fname);
+}
generated by cgit v1.1 at 2024-07-17 11:46:22 +0000