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-rw-r--r--tools/firmware-utils/src/mkcsysimg.c159
1 files changed, 96 insertions, 63 deletions
diff --git a/tools/firmware-utils/src/mkcsysimg.c b/tools/firmware-utils/src/mkcsysimg.c
index 7df27c48eb..be53147f1b 100644
--- a/tools/firmware-utils/src/mkcsysimg.c
+++ b/tools/firmware-utils/src/mkcsysimg.c
@@ -52,8 +52,6 @@
# define LE32_TO_HOST(x) bswap_32(x)
#endif
-#define ALIGN(x,y) ((x)+((y)-1)) & ~((y)-1)
-
#define MAX_NUM_BLOCKS 8
#define MAX_ARG_COUNT 32
#define MAX_ARG_LEN 1024
@@ -66,6 +64,12 @@
#define BLOCK_TYPE_CODE 3
#define BLOCK_TYPE_XTRA 4
+#define DEFAULT_BLOCK_ALIGN 0x10000U
+
+#define CSUM_SIZE_NONE 0
+#define CSUM_SIZE_8 1
+#define CSUM_SIZE_16 2
+
struct csum_state{
int size;
@@ -82,17 +86,18 @@ struct csys_block {
char *file_name; /* name of the file */
uint32_t file_size; /* length of the file */
- uint32_t size;
- int size_set;
+ unsigned char sig[SIG_LEN];
+ uint32_t addr;
+ int addr_set;
+ uint32_t align;
+ int align_set;
uint8_t padc;
+ uint32_t size;
uint32_t size_hdr;
uint32_t size_csum;
uint32_t size_avail;
- unsigned char sig[SIG_LEN];
- uint32_t addr;
- int addr_set;
struct csum_state *css;
};
@@ -226,15 +231,15 @@ usage(int status)
fprintf(stream,
" -d don't throw error on invalid images\n"
" -k keep invalid images\n"
-" -b <file>[:<len>[:<padc>]]\n"
+" -b <file>[:<align>[:<padc>]]\n"
" add boot code to the image\n"
-" -c <file>[:<len>[:<padc>]]\n"
+" -c <file>[:<align>[:<padc>]]\n"
" add configuration settings to the image\n"
-" -r <file>:[<addr>][:<len>[:<padc>]]\n"
+" -r <file>:[<addr>][:<align>[:<padc>]]\n"
" add runtime code to the image\n"
-" -w [<file>:[<addr>][:<len>[:<padc>]]]\n"
+" -w [<file>:[<addr>][:<align>[:<padc>]]]\n"
" add webpages to the image\n"
-" -x <file>[:<len>[:<padc>]]\n"
+" -x <file>[:<align>[:<padc>]]\n"
" add extra data at the end of the image\n"
" -h show this screen\n"
"Parameters:\n"
@@ -244,6 +249,19 @@ usage(int status)
exit(status);
}
+static inline uint32_t align(uint32_t base, uint32_t alignment)
+{
+ uint32_t ret;
+
+ if (alignment) {
+ ret = (base + alignment - 1);
+ ret &= ~(alignment-1);
+ } else {
+ ret = base;
+ }
+
+ return ret;
+}
/*
* argument parsing
@@ -447,10 +465,10 @@ void
csum_update(uint8_t *p, uint32_t len, struct csum_state *css)
{
switch (css->size) {
- case 1:
+ case CSUM_SIZE_8:
csum8_update(p,len,css);
break;
- case 2:
+ case CSUM_SIZE_16:
csum16_update(p,len,css);
break;
}
@@ -463,10 +481,10 @@ csum_get(struct csum_state *css)
uint16_t ret;
switch (css->size) {
- case 1:
+ case CSUM_SIZE_8:
ret = csum8_get(css);
break;
- case 2:
+ case CSUM_SIZE_16:
ret = csum16_get(css);
break;
}
@@ -554,7 +572,7 @@ block_writeout_hdr(FILE *outfile, struct csys_block *block)
/* setup header fields */
memcpy(hdr.sig, block->sig, 4);
hdr.addr = HOST_TO_LE32(block->addr);
- hdr.size = HOST_TO_LE32(block->size-block->size_hdr);
+ hdr.size = HOST_TO_LE32(block->align-block->size_hdr);
DBG(1,"writing header for block");
res = write_out_data(outfile, (uint8_t *)&hdr, sizeof(hdr),NULL);
@@ -808,7 +826,7 @@ parse_opt_block(char ch, char *arg)
}
block->type = BLOCK_TYPE_WEBP;
block->size_hdr = sizeof(struct csys_header);
- block->size_csum = 1;
+ block->size_csum = CSUM_SIZE_8;
block->need_file = 0;
webp_block = block;
break;
@@ -819,7 +837,7 @@ parse_opt_block(char ch, char *arg)
}
block->type = BLOCK_TYPE_CODE;
block->size_hdr = sizeof(struct csys_header);
- block->size_csum = 2;
+ block->size_csum = CSUM_SIZE_16;
code_block = block;
break;
case 'x':
@@ -858,11 +876,11 @@ parse_opt_block(char ch, char *arg)
p = argv[i++];
if (!is_empty_arg(p)) {
- if (str2u32(p, &block->size) != 0) {
- ERR("invalid block size in %s", arg);
+ if (str2u32(p, &block->align) != 0) {
+ ERR("invalid alignment value in %s", arg);
return ERR_FATAL;
}
- block->size_set = 1;
+ block->align_set = 1;
}
p = argv[i++];
@@ -881,7 +899,7 @@ int
process_blocks(void)
{
struct csys_block *block;
- uint32_t size_avail;
+ uint32_t offs = 0;
int i;
int res;
@@ -894,72 +912,82 @@ process_blocks(void)
return res;
}
- size_avail = board->flash_size;
-
/* bootloader */
block = boot_block;
if (block) {
- if (block->size_set) {
- board->boot_size= block->size;
- } else {
- block->size = board->boot_size;
- }
- if (block->size > size_avail) {
+ block->size = board->boot_size;
+ if (block->file_size > board->boot_size) {
WARN("boot block is too big");
res = ERR_INVALID_IMAGE;
}
}
- size_avail -= board->boot_size;
+ offs += board->boot_size;
/* configuration data */
block = conf_block;
if (block) {
- if (block->size_set) {
- board->conf_size = block->size;
- } else {
- block->size = board->conf_size;
- }
- if (block->size > size_avail) {
+ block->size = board->conf_size;
+ if (block->file_size > board->conf_size) {
WARN("config block is too big");
res = ERR_INVALID_IMAGE;
}
-
}
- size_avail -= board->conf_size;
+ offs += board->conf_size;
/* webpages */
block = webp_block;
if (block) {
- if (block->size_set == 0)
- block->size = board->webp_size;
- board->webp_size = block->size;
+
+ memcpy(block->sig, board->sig_webp, 4);
+
+ if (block->addr_set == 0)
+ block->addr = board->addr_webp;
+
+ if (block->align_set == 0)
+ block->align = DEFAULT_BLOCK_ALIGN;
+
+ block->size = align(offs + block->file_size + block->size_hdr +
+ block->size_csum, block->align) - offs;
+
if (block->size > board->webp_size_max) {
WARN("webpages block is too big");
res = ERR_INVALID_IMAGE;
}
- memcpy(block->sig, board->sig_webp, 4);
- if (block->addr_set == 0)
- block->addr = board->addr_webp;
+
+ DBG(2,"webpages start at %08x, size=%08x", offs,
+ block->size);
+
+ offs += block->size;
+ if (offs > board->flash_size) {
+ WARN("webp block is too big");
+ res = ERR_INVALID_IMAGE;
+ }
}
- size_avail -= board->webp_size;
/* runtime code */
block = code_block;
if (block) {
- if (block->size_set == 0) {
- block->size =ALIGN(block->file_size+ block->size_hdr +
- block->size_csum, 0x10000);
- }
- board->code_size = block->size;
- if (board->code_size > size_avail) {
+ memcpy(code_block->sig, SIG_CSYS, 4);
+
+ if (block->addr_set == 0)
+ block->addr = board->addr_code;
+
+ if (block->align_set == 0)
+ block->align = DEFAULT_BLOCK_ALIGN;
+
+ block->size = align(offs + block->file_size +
+ block->size_hdr + block->size_csum,
+ block->align) - offs;
+
+ DBG(2,"code block start at %08x, size=%08x", offs,
+ block->size);
+
+ offs += block->size;
+ if (offs > board->flash_size) {
WARN("code block is too big");
res = ERR_INVALID_IMAGE;
}
- memcpy(code_block->sig, SIG_CSYS, 4);
- if (code_block->addr_set == 0)
- code_block->addr = board->addr_code;
}
- size_avail -= board->code_size;
for (i = 0; i < num_blocks; i++) {
block = &blocks[i];
@@ -967,17 +995,22 @@ process_blocks(void)
if (block->type != BLOCK_TYPE_XTRA)
continue;
- if (block->size_set == 0)
- block->size = ALIGN(block->file_size, 0x10000);
+ if (block->align_set == 0)
+ block->align = DEFAULT_BLOCK_ALIGN;
- if (block->size > size_avail) {
+ block->size = align(offs + block->file_size,
+ block->align) - offs;
+
+ DBG(2,"file %s start at %08x, size=%08x, align=%08x",
+ block->file_name, offs, block->size, block->align);
+
+ offs += block->size;
+ if (offs > board->flash_size) {
WARN("file %s is too big, size=%d, avail=%d",
block->file_name, block->file_size,
- size_avail);
+ board->flash_size - offs);
res = ERR_INVALID_IMAGE;
}
-
- size_avail -= block->size;
}
for (i = 0; i < num_blocks; i++) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 08:32:47 +0000