image: Move HOSTCC image code to tools/

This code is never compiled into U-Boot, so move it into a separate
file in tools/ to avoid the large #ifdef.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Vasut <marex@denx.de>

4 files changed, 207 insertions, 170 deletions

diff --git a/common/image-fit.c b/common/image-fit.c
index 3ba1ad3..3e72da0 100644
--- a/common/image-fit.c
+++ b/common/image-fit.c
@@ -827,7 +827,7 @@ int fit_set_timestamp(void *fit, int noffset, time_t timestamp)
  *     0, on success
  *    -1, when algo is unsupported
  */
-static int calculate_hash(const void *data, int data_len, const char *algo,
+int calculate_hash(const void *data, int data_len, const char *algo,
 			uint8_t *value, int *value_len)
 {
 	if (strcmp(algo, "crc32") == 0) {
@@ -849,175 +849,6 @@ static int calculate_hash(const void *data, int data_len, const char *algo,
 	return 0;
 }
 
-#ifdef USE_HOSTCC
-/**
- * fit_set_hashes - process FIT component image nodes and calculate hashes
- * @fit: pointer to the FIT format image header
- *
- * fit_set_hashes() adds hash values for all component images in the FIT blob.
- * Hashes are calculated for all component images which have hash subnodes
- * with algorithm property set to one of the supported hash algorithms.
- *
- * returns
- *     0, on success
- *     libfdt error code, on failure
- */
-int fit_set_hashes(void *fit)
-{
-	int images_noffset;
-	int noffset;
-	int ndepth;
-	int ret;
-
-	/* Find images parent node offset */
-	images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
-	if (images_noffset < 0) {
-		printf("Can't find images parent node '%s' (%s)\n",
-		       FIT_IMAGES_PATH, fdt_strerror(images_noffset));
-		return images_noffset;
-	}
-
-	/* Process its subnodes, print out component images details */
-	for (ndepth = 0, noffset = fdt_next_node(fit, images_noffset, &ndepth);
-	     (noffset >= 0) && (ndepth > 0);
-	     noffset = fdt_next_node(fit, noffset, &ndepth)) {
-		if (ndepth == 1) {
-			/*
-			 * Direct child node of the images parent node,
-			 * i.e. component image node.
-			 */
-			ret = fit_image_set_hashes(fit, noffset);
-			if (ret)
-				return ret;
-		}
-	}
-
-	return 0;
-}
-
-/**
- * fit_image_set_hashes - calculate/set hashes for given component image node
- * @fit: pointer to the FIT format image header
- * @image_noffset: requested component image node
- *
- * fit_image_set_hashes() adds hash 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 corresponding
- * hash node property is set, for example:
- *
- * Input component image node structure:
- *
- * o image@1 (at image_noffset)
- *   | - data = [binary data]
- *   o hash@1
- *     |- algo = "sha1"
- *
- * Output component image node structure:
- *
- * o image@1 (at image_noffset)
- *   | - data = [binary data]
- *   o hash@1
- *     |- algo = "sha1"
- *     |- value = sha1(data)
- *
- * returns:
- *     0 on sucess
- *    <0 on failure
- */
-int fit_image_set_hashes(void *fit, int image_noffset)
-{
-	const void *data;
-	size_t size;
-	char *algo;
-	uint8_t value[FIT_MAX_HASH_LEN];
-	int value_len;
-	int noffset;
-	int ndepth;
-
-	/* Get image data and data length */
-	if (fit_image_get_data(fit, image_noffset, &data, &size)) {
-		printf("Can't get image data/size\n");
-		return -1;
-	}
-
-	/* Process all hash subnodes of the component image node */
-	for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
-	     (noffset >= 0) && (ndepth > 0);
-	     noffset = fdt_next_node(fit, noffset, &ndepth)) {
-		if (ndepth == 1) {
-			/* Direct child node of the component image node */
-
-			/*
-			 * Check subnode name, must be equal to "hash".
-			 * Multiple hash nodes require unique unit node
-			 * names, e.g. hash@1, hash@2, etc.
-			 */
-			if (strncmp(fit_get_name(fit, noffset, NULL),
-				    FIT_HASH_NODENAME,
-				    strlen(FIT_HASH_NODENAME)) != 0) {
-				/* Not a hash subnode, skip it */
-				continue;
-			}
-
-			if (fit_image_hash_get_algo(fit, noffset, &algo)) {
-				printf("Can't get hash algo property for '%s' hash node in '%s' image node\n",
-				       fit_get_name(fit, noffset, NULL),
-				       fit_get_name(fit, image_noffset, NULL));
-				return -1;
-			}
-
-			if (calculate_hash(data, size, algo, value,
-					   &value_len)) {
-				printf("Unsupported hash algorithm (%s) for '%s' hash node in '%s' image node\n",
-				       algo, fit_get_name(fit, noffset, NULL),
-				       fit_get_name(fit, image_noffset, NULL));
-				return -1;
-			}
-
-			if (fit_image_hash_set_value(fit, noffset, value,
-						     value_len)) {
-				printf("Can't set hash value for '%s' hash node in '%s' image node\n",
-				       fit_get_name(fit, noffset, NULL),
-				       fit_get_name(fit, image_noffset, NULL));
-				return -1;
-			}
-		}
-	}
-
-	return 0;
-}
-
-/**
- * fit_image_hash_set_value - set hash value in requested has node
- * @fit: pointer to the FIT format image header
- * @noffset: hash node offset
- * @value: hash value to be set
- * @value_len: hash value length
- *
- * fit_image_hash_set_value() attempts to set hash value in a node at offset
- * given and returns operation status to the caller.
- *
- * returns
- *     0, on success
- *     -1, on failure
- */
-int fit_image_hash_set_value(void *fit, int noffset, uint8_t *value,
-				int value_len)
-{
-	int ret;
-
-	ret = fdt_setprop(fit, noffset, FIT_VALUE_PROP, value, value_len);
-	if (ret) {
-		printf("Can't set hash '%s' property for '%s' node(%s)\n",
-		       FIT_VALUE_PROP, fit_get_name(fit, noffset, NULL),
-		       fdt_strerror(ret));
-		return -1;
-	}
-
-	return 0;
-}
-#endif /* USE_HOSTCC */
-
 /**
  * fit_image_check_hashes - verify data intergity
  * @fit: pointer to the FIT format image header
diff --git a/include/image.h b/include/image.h
index 7149cba..21d9213 100644
--- a/include/image.h
+++ b/include/image.h
@@ -636,6 +636,9 @@ void fit_conf_print(const void *fit, int noffset, const char *p);
 int fit_check_ramdisk(const void *fit, int os_noffset,
 		uint8_t arch, int verify);
 
+int calculate_hash(const void *data, int data_len, const char *algo,
+			uint8_t *value, int *value_len);
+
 #ifndef USE_HOSTCC
 static inline int fit_image_check_target_arch(const void *fdt, int node)
 {
diff --git a/tools/Makefile b/tools/Makefile
index 067d3e4..26eb500 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -96,6 +96,7 @@ NOPED_OBJ_FILES-y += aisimage.o
 NOPED_OBJ_FILES-y += kwbimage.o
 NOPED_OBJ_FILES-y += pblimage.o
 NOPED_OBJ_FILES-y += imximage.o
+NOPED_OBJ_FILES-y += image-host.o
 NOPED_OBJ_FILES-y += omapimage.o
 NOPED_OBJ_FILES-y += mkenvimage.o
 NOPED_OBJ_FILES-y += mkimage.o
@@ -212,6 +213,7 @@ $(obj)mkimage$(SFX):	$(obj)aisimage.o \
 			$(obj)fit_image.o \
 			$(obj)image-fit.o \
 			$(obj)image.o \
+			$(obj)image-host.o \
 			$(obj)imximage.o \
 			$(obj)kwbimage.o \
 			$(obj)pblimage.o \
diff --git a/tools/image-host.c b/tools/image-host.c
new file mode 100644
index 0000000..82b6cee
--- /dev/null
+++ b/tools/image-host.c
@@ -0,0 +1,201 @@
+/*
+ * Copyright (c) 2013, Google Inc.
+ *
+ * (C) Copyright 2008 Semihalf
+ *
+ * (C) Copyright 2000-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#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>
+
+/**
+ * fit_set_hashes - process FIT component image nodes and calculate hashes
+ * @fit: pointer to the FIT format image header
+ *
+ * fit_set_hashes() adds hash values for all component images in the FIT blob.
+ * Hashes are calculated for all component images which have hash subnodes
+ * with algorithm property set to one of the supported hash algorithms.
+ *
+ * returns
+ *     0, on success
+ *     libfdt error code, on failure
+ */
+int fit_set_hashes(void *fit)
+{
+	int images_noffset;
+	int noffset;
+	int ndepth;
+	int ret;
+
+	/* Find images parent node offset */
+	images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
+	if (images_noffset < 0) {
+		printf("Can't find images parent node '%s' (%s)\n",
+		       FIT_IMAGES_PATH, fdt_strerror(images_noffset));
+		return images_noffset;
+	}
+
+	/* Process its subnodes, print out component images details */
+	for (ndepth = 0, noffset = fdt_next_node(fit, images_noffset, &ndepth);
+	     (noffset >= 0) && (ndepth > 0);
+	     noffset = fdt_next_node(fit, noffset, &ndepth)) {
+		if (ndepth == 1) {
+			/*
+			 * Direct child node of the images parent node,
+			 * i.e. component image node.
+			 */
+			ret = fit_image_set_hashes(fit, noffset);
+			if (ret)
+				return ret;
+		}
+	}
+
+	return 0;
+}
+
+/**
+ * fit_image_set_hashes - calculate/set hashes for given component image node
+ * @fit: pointer to the FIT format image header
+ * @image_noffset: requested component image node
+ *
+ * fit_image_set_hashes() adds hash 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 corresponding
+ * hash node property is set, for example:
+ *
+ * Input component image node structure:
+ *
+ * o image@1 (at image_noffset)
+ *   | - data = [binary data]
+ *   o hash@1
+ *     |- algo = "sha1"
+ *
+ * Output component image node structure:
+ *
+ * o image@1 (at image_noffset)
+ *   | - data = [binary data]
+ *   o hash@1
+ *     |- algo = "sha1"
+ *     |- value = sha1(data)
+ *
+ * returns:
+ *     0 on sucess
+ *    <0 on failure
+ */
+int fit_image_set_hashes(void *fit, int image_noffset)
+{
+	const void *data;
+	size_t size;
+	char *algo;
+	uint8_t value[FIT_MAX_HASH_LEN];
+	int value_len;
+	int noffset;
+	int ndepth;
+
+	/* Get image data and data length */
+	if (fit_image_get_data(fit, image_noffset, &data, &size)) {
+		printf("Can't get image data/size\n");
+		return -1;
+	}
+
+	/* Process all hash subnodes of the component image node */
+	for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
+	     (noffset >= 0) && (ndepth > 0);
+	     noffset = fdt_next_node(fit, noffset, &ndepth)) {
+		if (ndepth == 1) {
+			/* Direct child node of the component image node */
+
+			/*
+			 * Check subnode name, must be equal to "hash".
+			 * Multiple hash nodes require unique unit node
+			 * names, e.g. hash@1, hash@2, etc.
+			 */
+			if (strncmp(fit_get_name(fit, noffset, NULL),
+				    FIT_HASH_NODENAME,
+				    strlen(FIT_HASH_NODENAME)) != 0) {
+				/* Not a hash subnode, skip it */
+				continue;
+			}
+
+			if (fit_image_hash_get_algo(fit, noffset, &algo)) {
+				printf("Can't get hash algo property for '%s' hash node in '%s' image node\n",
+				       fit_get_name(fit, noffset, NULL),
+				       fit_get_name(fit, image_noffset, NULL));
+				return -1;
+			}
+
+			if (calculate_hash(data, size, algo, value,
+					   &value_len)) {
+				printf("Unsupported hash algorithm (%s) for '%s' hash node in '%s' image node\n",
+				       algo, fit_get_name(fit, noffset, NULL),
+				       fit_get_name(fit, image_noffset, NULL));
+				return -1;
+			}
+
+			if (fit_image_hash_set_value(fit, noffset, value,
+						     value_len)) {
+				printf("Can't set hash value for '%s' hash node in '%s' image node\n",
+				       fit_get_name(fit, noffset, NULL),
+				       fit_get_name(fit, image_noffset, NULL));
+				return -1;
+			}
+		}
+	}
+
+	return 0;
+}
+
+/**
+ * fit_image_hash_set_value - set hash value in requested has node
+ * @fit: pointer to the FIT format image header
+ * @noffset: hash node offset
+ * @value: hash value to be set
+ * @value_len: hash value length
+ *
+ * fit_image_hash_set_value() attempts to set hash value in a node at offset
+ * given and returns operation status to the caller.
+ *
+ * returns
+ *     0, on success
+ *     -1, on failure
+ */
+int fit_image_hash_set_value(void *fit, int noffset, uint8_t *value,
+				int value_len)
+{
+	int ret;
+
+	ret = fdt_setprop(fit, noffset, FIT_VALUE_PROP, value, value_len);
+	if (ret) {
+		printf("Can't set hash '%s' property for '%s' node(%s)\n",
+		       FIT_VALUE_PROP, fit_get_name(fit, noffset, NULL),
+		       fdt_strerror(ret));
+		return -1;
+	}
+
+	return 0;
+}