---- fis/fis.c 2007-05-03 06:42:51.000000000 +1000
-+++ ../../snapgear_avila/user/fconfig/fis.c 2007-09-06 13:48:38.000000000 +1000
-@@ -141,8 +141,8 @@
-
- static void dump_desc(FILE* f, const struct fis_image_desc* d)
- {
-- fprintf(f,"%16s: addr = 0x%08x, size = 0x%08x\n",
-- d->name, d->flash_base, d->size);
-+ fprintf(f,"%16s: addr = 0x%08x, size = 0x%08x, checksum = 0x%08x\n",
-+ d->name, d->flash_base, d->size, d->file_cksum);
- for (unsigned int i=0; i<(sizeof(d->skips)/4); ++i) {
- if (d->skips[i]==0x736b6970 || d->skips[i]==0x70696b73) { // "skip"
- uint32_t offset = d->skips[i+1];
-@@ -332,6 +332,7 @@
- d->size = swap_end_32(d->size);
- d->entry_point = swap_end_32(d->entry_point);
- d->data_length = swap_end_32(d->data_length);
-+ d->file_cksum = swap_end_32(d->file_cksum);
- for (unsigned int i=0; i<(sizeof(d->skips)/4); ++i) {
- d->skips[i] = swap_end_32(d->skips[i]);
- }
-@@ -499,6 +500,66 @@
- save_dir(fd,offset,size,swap_endianness,dir);
- }
-
-+static void fis_checksum(const char* device, int offset, int size, bool swap_endianness,
-+ int argc, char* argv[])
-+{
-+ char* name = NULL;
-+ char* filename = NULL;
-+
-+ for (int i=0; i<argc; ++i) {
-+ char* arg=argv[i];
-+ if (strcmp(arg,"-f")==0) {
-+ if (i==argc-1) {
-+ fatal("argumnet missing for -f");
-+ }
-+ ++i;
-+ filename = argv[i];
-+ } else if (strcmp(arg,"-n")==0) {
-+ if (i==argc-1) {
-+ fatal("argumnet missing for -n");
-+ }
-+ ++i;
-+ name = argv[i];
-+ if (strlen(name)>=16) {
-+ fatal("name too long, max 16 chars including terminating null");
-+ }
-+ } else {
-+ fputs("Unrecognised option '",stderr);
-+ fputs(arg,stderr);
-+ fputs("'\n",stderr);
-+ exit(1);
-+ }
-+ }
-+
-+ if (name == NULL || filename == NULL)
-+ fatal("filename and partition name must be specified");
-+
-+ int fd;
-+ char *buf;
-+ struct stat stat_buf;
-+ uint32_t crc;
-+
-+ CHECK(fd=open(filename,O_RDONLY),-1);
-+ CHECK(stat(filename, &stat_buf),-1);
-+ buf = (char*)chk_malloc(stat_buf.st_size);
-+ CHECK(read(fd,buf,stat_buf.st_size),-1);
-+ crc = crc32(buf,stat_buf.st_size);
-+ close(fd);
-+ free(buf);
-+
-+ CHECK(fd=open(device,O_RDWR),-1);
-+ dir_t dir;
-+ load_dir(fd,offset,&size,swap_endianness,&dir);
-+ iter_t after = NULL;
-+ FOR_EACH_DIR_ENTRY(dir,i) {
-+ if (strcmp(get(i)->name, name) == 0) {
-+ get(i)->file_cksum = crc;
-+ get(i)->data_length = stat_buf.st_size;
-+ break;
-+ }
-+ }
-+ save_dir(fd,offset,size,swap_endianness,dir);
-+}
-
- static void fis_delete(const char* device, int offset, int size, bool swap_endianness,
- char* name)
-@@ -528,6 +589,7 @@
- " fis [options] init\n"
- " fis [options] create -f address -l size -n name\n"
- " fis [options] delete name\n"
-+ " fis [options] checksum -f filename -n name\n"
- "Options:\n"
- " -d device specify /dev/mtd* device containing directory\n"
- " -o offset specify offset into device of start of directory\n"
-@@ -597,6 +659,11 @@
- fis_create(device,offset,size,swap_endianness,
- argc-i-1,&argv[i+1]);
- break;
-+ } else if (strcmp(arg,"checksum")==0) {
-+ check_dev(device);
-+ fis_checksum(device,offset,size,swap_endianness,
-+ argc-i-1,&argv[i+1]);
-+ break;
- } else if (strcmp(arg,"delete")==0) {
- if (i!=argc-2) {
- fatal("Exactly one argumnet required after 'delete'");
---- fis/crc.c 1970-01-01 10:00:00.000000000 +1000
-+++ ../../snapgear_avila/user/fconfig/crc.c 2007-09-06 13:48:38.000000000 +1000
+diff -uN fis.orig/crc.c fis/crc.c
+--- fis.orig/crc.c 1970-01-01 10:00:00.000000000 +1000
++++ fis/crc.c 2008-04-01 11:39:13.000000000 +1100
@@ -0,0 +1,88 @@
+/*\r
+ * crc.c\r
+ return val;\r
+}\r
+\r
---- fis/crc.h0 1970-01-01 10:00:00.000000000 +1000
-+++ fis/crc.h 2007-10-18 12:12:19.000000000 +1000
+diff -uN fis.orig/crc.h fis/crc.h
+--- fis.orig/crc.h 1970-01-01 10:00:00.000000000 +1000
++++ fis/crc.h 2008-04-01 11:39:13.000000000 +1100
@@ -0,0 +1,25 @@
+/*
+ * crc.h
+
+#endif //CRC_H
+
+diff -uN fis.orig/fis.c fis/fis.c
+--- fis.orig/fis.c 2007-05-03 06:42:51.000000000 +1000
++++ fis/fis.c 2008-04-01 11:52:11.000000000 +1100
+@@ -30,6 +30,7 @@
+ #include <sys/stat.h>
+ #include <fcntl.h>
+
++#include "crc.h"
+
+ // Report an error and terminate:
+
+@@ -141,8 +142,8 @@
+
+ static void dump_desc(FILE* f, const struct fis_image_desc* d)
+ {
+- fprintf(f,"%16s: addr = 0x%08x, size = 0x%08x\n",
+- d->name, d->flash_base, d->size);
++ fprintf(f,"%16s: flash addr = 0x%08x, mem addr = 0x%08x, size = 0x%08x, checksum = 0x%08x\n",
++ d->name, d->flash_base, d->mem_base, d->size, d->file_cksum);
+ for (unsigned int i=0; i<(sizeof(d->skips)/4); ++i) {
+ if (d->skips[i]==0x736b6970 || d->skips[i]==0x70696b73) { // "skip"
+ uint32_t offset = d->skips[i+1];
+@@ -332,6 +333,7 @@
+ d->size = swap_end_32(d->size);
+ d->entry_point = swap_end_32(d->entry_point);
+ d->data_length = swap_end_32(d->data_length);
++ d->file_cksum = swap_end_32(d->file_cksum);
+ for (unsigned int i=0; i<(sizeof(d->skips)/4); ++i) {
+ d->skips[i] = swap_end_32(d->skips[i]);
+ }
+@@ -446,19 +448,25 @@
+ char* arg=argv[i];
+ if (strcmp(arg,"-l")==0) {
+ if (i==argc-1) {
+- fatal("argumnet missing for -l");
++ fatal("argument missing for -l");
+ }
+ ++i;
+ d->size = str_to_int_maybe_hex(argv[i]);
+ } else if (strcmp(arg,"-f")==0) {
+ if (i==argc-1) {
+- fatal("argumnet missing for -f");
++ fatal("argument missing for -f");
+ }
+ ++i;
+ d->flash_base = str_to_int_maybe_hex(argv[i]);
++ } else if (strcmp(arg,"-m")==0) {
++ if (i==argc-1) {
++ fatal("argument missing for -m");
++ }
++ ++i;
++ d->mem_base = str_to_int_maybe_hex(argv[i]);
+ } else if (strcmp(arg,"-n")==0) {
+ if (i==argc-1) {
+- fatal("argumnet missing for -n");
++ fatal("argument missing for -n");
+ }
+ ++i;
+ char* name = argv[i];
+@@ -499,6 +507,66 @@
+ save_dir(fd,offset,size,swap_endianness,dir);
+ }
+
++static void fis_checksum(const char* device, int offset, int size, bool swap_endianness,
++ int argc, char* argv[])
++{
++ char* name = NULL;
++ char* filename = NULL;
++
++ for (int i=0; i<argc; ++i) {
++ char* arg=argv[i];
++ if (strcmp(arg,"-f")==0) {
++ if (i==argc-1) {
++ fatal("argument missing for -f");
++ }
++ ++i;
++ filename = argv[i];
++ } else if (strcmp(arg,"-n")==0) {
++ if (i==argc-1) {
++ fatal("argument missing for -n");
++ }
++ ++i;
++ name = argv[i];
++ if (strlen(name)>=16) {
++ fatal("name too long, max 16 chars including terminating null");
++ }
++ } else {
++ fputs("Unrecognised option '",stderr);
++ fputs(arg,stderr);
++ fputs("'\n",stderr);
++ exit(1);
++ }
++ }
++
++ if (name == NULL || filename == NULL)
++ fatal("filename and partition name must be specified");
++
++ int fd;
++ char *buf;
++ struct stat stat_buf;
++ uint32_t crc;
++
++ CHECK(fd=open(filename,O_RDONLY),-1);
++ CHECK(stat(filename, &stat_buf),-1);
++ buf = (char*)chk_malloc(stat_buf.st_size);
++ CHECK(read(fd,buf,stat_buf.st_size),-1);
++ crc = crc32(buf,stat_buf.st_size);
++ close(fd);
++ free(buf);
++
++ CHECK(fd=open(device,O_RDWR),-1);
++ dir_t dir;
++ load_dir(fd,offset,&size,swap_endianness,&dir);
++ iter_t after = NULL;
++ FOR_EACH_DIR_ENTRY(dir,i) {
++ if (strcmp(get(i)->name, name) == 0) {
++ get(i)->file_cksum = crc;
++ get(i)->data_length = stat_buf.st_size;
++ break;
++ }
++ }
++ save_dir(fd,offset,size,swap_endianness,dir);
++}
+
+ static void fis_delete(const char* device, int offset, int size, bool swap_endianness,
+ char* name)
+@@ -526,8 +594,9 @@
+ fputs("Usage:\n"
+ " fis [options] list\n"
+ " fis [options] init\n"
+- " fis [options] create -f address -l size -n name\n"
++ " fis [options] create -f address -l size -n name [-m memory_address]\n"
+ " fis [options] delete name\n"
++ " fis [options] checksum -f filename -n name\n"
+ "Options:\n"
+ " -d device specify /dev/mtd* device containing directory\n"
+ " -o offset specify offset into device of start of directory\n"
+@@ -597,9 +666,14 @@
+ fis_create(device,offset,size,swap_endianness,
+ argc-i-1,&argv[i+1]);
+ break;
++ } else if (strcmp(arg,"checksum")==0) {
++ check_dev(device);
++ fis_checksum(device,offset,size,swap_endianness,
++ argc-i-1,&argv[i+1]);
++ break;
+ } else if (strcmp(arg,"delete")==0) {
+ if (i!=argc-2) {
+- fatal("Exactly one argumnet required after 'delete'");
++ fatal("Exactly one argument required after 'delete'");
+ }
+ ++i;
+ char* name = argv[i];
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