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authorOlivier Deprez <olivier.deprez@arm.com>2020-02-10 17:14:49 +0000
committerTrustedFirmware Code Review <review@review.trustedfirmware.org>2020-02-10 17:14:49 +0000
commit82ed37ee02199209a65f5c461a759964aee4e849 (patch)
treef589b40960d7de2cb40129ab522d3819b3728030
parentea25ce90ec4df61e4f0cdadcacff231c58184521 (diff)
parent3977a825642dcd0368c934f7fd86f80f6a1c7c53 (diff)
downloadtrusted-firmware-a-82ed37ee02199209a65f5c461a759964aee4e849.tar.gz
Merge "SPM: modify sptool to generate individual SP blobs" into integration
-rw-r--r--include/tools_share/sptool.h26
-rw-r--r--tools/sptool/sptool.c292
2 files changed, 170 insertions, 148 deletions
diff --git a/include/tools_share/sptool.h b/include/tools_share/sptool.h
index 67a2cf093..53668e09c 100644
--- a/include/tools_share/sptool.h
+++ b/include/tools_share/sptool.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2018, Arm Limited. All rights reserved.
+ * Copyright (c) 2018-2020, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -9,21 +9,17 @@
#include <stdint.h>
-/* Header for a secure partition package. There is one per package. */
-struct sp_pkg_header {
- uint64_t version;
- uint64_t number_of_sp;
-};
+/* 4 Byte magic name "SPKG" */
+#define SECURE_PARTITION_MAGIC 0x474B5053
-/*
- * Entry descriptor in a secure partition package. Each entry comprises a
- * secure partition and its resource description.
- */
-struct sp_pkg_entry {
- uint64_t sp_offset;
- uint64_t sp_size;
- uint64_t rd_offset;
- uint64_t rd_size;
+/* Header for a secure partition package. */
+struct sp_pkg_header {
+ uint32_t magic;
+ uint32_t version;
+ uint32_t pm_offset;
+ uint32_t pm_size;
+ uint32_t img_offset;
+ uint32_t img_size;
};
#endif /* SPTOOL_H */
diff --git a/tools/sptool/sptool.c b/tools/sptool/sptool.c
index a33b66446..38baa2cd9 100644
--- a/tools/sptool/sptool.c
+++ b/tools/sptool/sptool.c
@@ -1,10 +1,11 @@
/*
- * Copyright (c) 2018, Arm Limited. All rights reserved.
+ * Copyright (c) 2018-2020, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdarg.h>
+#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@@ -16,25 +17,26 @@
#define PAGE_SIZE 4096
/*
- * Linked list of entries describing entries in the secure
- * partition package.
+ * Entry describing Secure Partition package.
*/
-struct sp_entry_info {
+struct sp_pkg_info {
/* Location of the files in the host's RAM. */
- void *sp_data, *rd_data;
+ void *img_data, *pm_data;
/* Size of the files. */
- uint64_t sp_size, rd_size;
+ uint32_t img_size, pm_size;
/* Location of the binary files inside the package output file */
- uint64_t sp_offset, rd_offset;
-
- struct sp_entry_info *next;
+ uint32_t img_offset, pm_offset;
};
-static struct sp_entry_info *sp_info_head;
-
-static uint64_t sp_count;
+/*
+ * List of input provided by user
+ */
+struct arg_list {
+ char *usr_input;
+ struct arg_list *next;
+};
/* Align an address to a power-of-two boundary. */
static unsigned int align_to(unsigned int address, unsigned int boundary)
@@ -89,26 +91,61 @@ static void xfseek(FILE *fp, long offset, int whence)
}
}
-static void cleanup(void)
+/*
+ * Free SP package structure
+ */
+static void cleanup(struct sp_pkg_info *sp)
{
- struct sp_entry_info *sp = sp_info_head;
- while (sp != NULL) {
- struct sp_entry_info *next = sp->next;
-
- if (sp->sp_data != NULL)
- free(sp->sp_data);
+ if (sp != NULL) {
+ if (sp->img_data != NULL) {
+ free(sp->img_data);
+ }
- if (sp->rd_data != NULL)
- free(sp->rd_data);
+ if (sp->pm_data != NULL) {
+ free(sp->pm_data);
+ }
free(sp);
- sp = next;
}
+}
- sp_count = 0;
- sp_info_head = NULL;
+/*
+ * Free argument list structure
+ */
+static void freelist(struct arg_list *head)
+{
+ struct arg_list *tmp;
+
+ while (head != NULL) {
+ tmp = head;
+ head = head->next;
+ free(tmp);
+ }
+}
+
+/*
+ * Append user inputs in argument list structure
+ */
+static void append_user_input(struct arg_list **head, char *args)
+{
+ struct arg_list *tmp = *head;
+
+ if (tmp == NULL) {
+ tmp = xzalloc(sizeof(struct arg_list),
+ "Failed to allocate arg_list struct");
+ tmp->usr_input = args;
+ *head = tmp;
+ } else {
+ while (tmp->next != NULL) {
+ tmp = tmp->next;
+ }
+ tmp->next = xzalloc(sizeof(struct arg_list),
+ "Failed to allocate arg_list struct");
+ tmp = tmp->next;
+ tmp->usr_input = args;
+ }
}
/*
@@ -116,7 +153,7 @@ static void cleanup(void)
* load the file into it. Fill 'size' with the file size. Exit the program on
* error.
*/
-static void load_file(const char *path, void **ptr, uint64_t *size)
+static void load_file(const char *path, void **ptr, uint32_t *size)
{
FILE *f = fopen(path, "rb");
if (f == NULL) {
@@ -147,59 +184,40 @@ static void load_file(const char *path, void **ptr, uint64_t *size)
fclose(f);
}
-static void load_sp_rd(char *path)
+/*
+ * Parse the string containing input payloads and fill in the
+ * SP Package data structure.
+ */
+static void load_sp_pm(char *path, struct sp_pkg_info **sp_out)
{
+ struct sp_pkg_info *sp_pkg;
+
char *split_mark = strstr(path, ":");
*split_mark = '\0';
char *sp_path = path;
- char *rd_path = split_mark + 1;
-
- struct sp_entry_info *sp;
-
- if (sp_info_head == NULL) {
- sp_info_head = xzalloc(sizeof(struct sp_entry_info),
- "Failed to allocate sp_entry_info struct");
-
- sp = sp_info_head;
- } else {
- sp = sp_info_head;
-
- while (sp->next != NULL) {
- sp = sp->next;
- }
-
- sp->next = xzalloc(sizeof(struct sp_entry_info),
- "Failed to allocate sp_entry_info struct");
+ char *pm_path = split_mark + 1;
- sp = sp->next;
- }
+ sp_pkg = xzalloc(sizeof(struct sp_pkg_info),
+ "Failed to allocate sp_pkg_info struct");
- load_file(sp_path, &sp->sp_data, &sp->sp_size);
- printf("Loaded image file %s (%lu bytes)\n", sp_path, sp->sp_size);
+ load_file(pm_path, &sp_pkg->pm_data, &sp_pkg->pm_size);
+ printf("\nLoaded SP Manifest file %s (%u bytes)\n", pm_path, sp_pkg->pm_size);
- load_file(rd_path, &sp->rd_data, &sp->rd_size);
- printf("Loaded RD file %s (%lu bytes)\n", rd_path, sp->rd_size);
+ load_file(sp_path, &sp_pkg->img_data, &sp_pkg->img_size);
+ printf("Loaded SP Image file %s (%u bytes)\n", sp_path, sp_pkg->img_size);
- sp_count++;
+ *sp_out = sp_pkg;
}
-static void output_write(const char *path)
+/*
+ * Write SP package data structure into output file.
+ */
+static void output_write(const char *path, struct sp_pkg_info *sp, bool header)
{
- struct sp_entry_info *sp;
-
- if (sp_count == 0) {
- fprintf(stderr, "error: At least one SP must be provided.\n");
- exit(1);
- }
-
- /* The layout of the structs is specified in the header file sptool.h */
-
- printf("Writing %lu partitions to output file.\n", sp_count);
-
- unsigned int header_size = (sizeof(struct sp_pkg_header) * 8)
- + (sizeof(struct sp_pkg_entry) * 8 * sp_count);
+ struct sp_pkg_header sp_header_info;
+ unsigned int file_ptr = 0;
FILE *f = fopen(path, "wb");
if (f == NULL) {
@@ -207,70 +225,46 @@ static void output_write(const char *path)
exit(1);
}
- unsigned int file_ptr = align_to(header_size, PAGE_SIZE);
-
- /* First, save all partition images aligned to page boundaries */
-
- sp = sp_info_head;
-
- for (uint64_t i = 0; i < sp_count; i++) {
- xfseek(f, file_ptr, SEEK_SET);
-
- printf("Writing image %lu to offset 0x%x (0x%lx bytes)\n",
- i, file_ptr, sp->sp_size);
-
- sp->sp_offset = file_ptr;
- xfwrite(sp->sp_data, sp->sp_size, f);
- file_ptr = align_to(file_ptr + sp->sp_size, PAGE_SIZE);
- sp = sp->next;
+ /* Reserve Header size */
+ if (header) {
+ file_ptr = sizeof(struct sp_pkg_header);
}
- /* Now, save resource description blobs aligned to 8 bytes */
+ /* Save partition manifest */
+ xfseek(f, file_ptr, SEEK_SET);
+ printf("Writing SP Manifest at offset 0x%x (%u bytes)\n",
+ file_ptr, sp->pm_size);
- sp = sp_info_head;
-
- for (uint64_t i = 0; i < sp_count; i++) {
- xfseek(f, file_ptr, SEEK_SET);
-
- printf("Writing RD blob %lu to offset 0x%x (0x%lx bytes)\n",
- i, file_ptr, sp->rd_size);
-
- sp->rd_offset = file_ptr;
- xfwrite(sp->rd_data, sp->rd_size, f);
- file_ptr = align_to(file_ptr + sp->rd_size, 8);
- sp = sp->next;
- }
+ sp->pm_offset = file_ptr;
+ xfwrite(sp->pm_data, sp->pm_size, f);
- /* Finally, write header */
+ /* Save partition image aligned to Page size */
+ file_ptr = align_to((sp->pm_offset + sp->pm_size), PAGE_SIZE);
+ xfseek(f, file_ptr, SEEK_SET);
+ printf("Writing SP Image at offset 0x%x (%u bytes)\n",
+ file_ptr, sp->img_size);
- uint64_t version = 0x1;
- uint64_t sp_num = sp_count;
+ sp->img_offset = file_ptr;
+ xfwrite(sp->img_data, sp->img_size, f);
- xfseek(f, 0, SEEK_SET);
+ /* Finally, write header, if needed */
+ if (header) {
+ sp_header_info.magic = SECURE_PARTITION_MAGIC;
+ sp_header_info.version = 0x1;
+ sp_header_info.img_offset = sp->img_offset;
+ sp_header_info.img_size = sp->img_size;
+ sp_header_info.pm_offset = sp->pm_offset;
+ sp_header_info.pm_size = sp->pm_size;
- xfwrite(&version, sizeof(uint64_t), f);
- xfwrite(&sp_num, sizeof(uint64_t), f);
+ xfseek(f, 0, SEEK_SET);
- sp = sp_info_head;
+ printf("Writing package header\n");
- for (unsigned int i = 0; i < sp_count; i++) {
-
- uint64_t sp_offset, sp_size, rd_offset, rd_size;
-
- sp_offset = sp->sp_offset;
- sp_size = align_to(sp->sp_size, PAGE_SIZE);
- rd_offset = sp->rd_offset;
- rd_size = sp->rd_size;
-
- xfwrite(&sp_offset, sizeof(uint64_t), f);
- xfwrite(&sp_size, sizeof(uint64_t), f);
- xfwrite(&rd_offset, sizeof(uint64_t), f);
- xfwrite(&rd_size, sizeof(uint64_t), f);
-
- sp = sp->next;
+ xfwrite(&sp_header_info, sizeof(struct sp_pkg_header), f);
}
/* All information has been written now */
+ printf("\nsptool: Built Secure Partition blob %s\n", path);
fclose(f);
}
@@ -286,30 +280,51 @@ static void usage(void)
#endif
printf(" [<args>]\n\n");
- printf("This tool takes as inputs several image binary files and the\n"
- "resource description blobs as input and generates a package\n"
- "file that contains them.\n\n");
+ printf("This tool takes as input set of image binary files and the\n"
+ "partition manifest blobs as input and generates set of\n"
+ "output package files\n"
+ "Usage example: sptool -i sp1.bin:sp1.dtb -o sp1.pkg\n"
+ " -i sp2.bin:sp2.dtb -o sp2.pkg ...\n\n");
printf("Commands supported:\n");
printf(" -o <path> Set output file path.\n");
- printf(" -i <sp_path:rd_path> Add Secure Partition image and Resource\n"
- " Description blob (specified in two paths\n"
+ printf(" -i <sp_path:pm_path> Add Secure Partition image and\n"
+ " Manifest blob (specified in two paths\n"
" separated by a colon).\n");
+ printf(" -n Generate package without header\n");
printf(" -h Show this message.\n");
exit(1);
}
int main(int argc, char *argv[])
{
+ struct sp_pkg_info *sp_pkg = NULL;
+ struct arg_list *in_head = NULL;
+ struct arg_list *out_head = NULL;
+ struct arg_list *in_list = NULL;
+ struct arg_list *out_list = NULL;
+ unsigned int match_counter = 0;
+ bool need_header = true;
+
int ch;
- const char *outname = NULL;
- while ((ch = getopt(argc, argv, "hi:o:")) != -1) {
+ if (argc <= 1) {
+ fprintf(stderr, "error: File paths must be provided.\n\n");
+ usage();
+ return 1;
+ }
+
+ while ((ch = getopt(argc, argv, "hni:o:")) != -1) {
switch (ch) {
case 'i':
- load_sp_rd(optarg);
+ append_user_input(&in_head, optarg);
+ match_counter++;
break;
case 'o':
- outname = optarg;
+ append_user_input(&out_head, optarg);
+ match_counter--;
+ break;
+ case 'n':
+ need_header = false;
break;
case 'h':
default:
@@ -317,18 +332,29 @@ int main(int argc, char *argv[])
}
}
- argc -= optind;
- argv += optind;
-
- if (outname == NULL) {
- fprintf(stderr, "error: An output file path must be provided.\n\n");
+ if (match_counter) {
+ fprintf(stderr, "error: Input/Output count mismatch.\n\n");
+ freelist(in_head);
+ freelist(out_head);
usage();
return 1;
}
- output_write(outname);
+ in_list = in_head;
+ out_list = out_head;
+ while (in_list != NULL) {
+ load_sp_pm(in_list->usr_input, &sp_pkg);
+ output_write(out_list->usr_input, sp_pkg, need_header);
+ in_list = in_list->next;
+ out_list = out_list->next;
+ }
+
+ argc -= optind;
+ argv += optind;
- cleanup();
+ cleanup(sp_pkg);
+ freelist(in_head);
+ freelist(out_head);
return 0;
}