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-rw-r--r--flashrom.c242
1 files changed, 119 insertions, 123 deletions
diff --git a/flashrom.c b/flashrom.c
index 04c8600..cf895a0 100644
--- a/flashrom.c
+++ b/flashrom.c
@@ -51,54 +51,52 @@
#include "debug.h"
char *chip_to_probe = NULL;
-struct pci_access *pacc; /* For board and chipset_enable */
+struct pci_access *pacc; /* For board and chipset_enable */
int exclude_start_page, exclude_end_page;
-int force=0, verbose=0;
+int force = 0, verbose = 0;
int fd_mem;
/*
*
*/
-struct pci_dev *
-pci_dev_find(uint16_t vendor, uint16_t device)
+struct pci_dev *pci_dev_find(uint16_t vendor, uint16_t device)
{
- struct pci_dev *temp;
- struct pci_filter filter;
+ struct pci_dev *temp;
+ struct pci_filter filter;
- pci_filter_init(NULL, &filter);
- filter.vendor = vendor;
- filter.device = device;
+ pci_filter_init(NULL, &filter);
+ filter.vendor = vendor;
+ filter.device = device;
- for (temp = pacc->devices; temp; temp = temp->next)
- if (pci_filter_match(&filter, temp))
- return temp;
+ for (temp = pacc->devices; temp; temp = temp->next)
+ if (pci_filter_match(&filter, temp))
+ return temp;
- return NULL;
+ return NULL;
}
/*
*
*/
-struct pci_dev *
-pci_card_find(uint16_t vendor, uint16_t device,
- uint16_t card_vendor, uint16_t card_device)
+struct pci_dev *pci_card_find(uint16_t vendor, uint16_t device,
+ uint16_t card_vendor, uint16_t card_device)
{
- struct pci_dev *temp;
- struct pci_filter filter;
-
- pci_filter_init(NULL, &filter);
- filter.vendor = vendor;
- filter.device = device;
-
- for (temp = pacc->devices; temp; temp = temp->next)
- if (pci_filter_match(&filter, temp)) {
- if ((card_vendor == pci_read_word(temp, 0x2C)) &&
- (card_device == pci_read_word(temp, 0x2E)))
- return temp;
- }
+ struct pci_dev *temp;
+ struct pci_filter filter;
+
+ pci_filter_init(NULL, &filter);
+ filter.vendor = vendor;
+ filter.device = device;
+
+ for (temp = pacc->devices; temp; temp = temp->next)
+ if (pci_filter_match(&filter, temp)) {
+ if ((card_vendor == pci_read_word(temp, 0x2C)) &&
+ (card_device == pci_read_word(temp, 0x2E)))
+ return temp;
+ }
- return NULL;
+ return NULL;
}
struct flashchip *probe_flash(struct flashchip *flash)
@@ -111,8 +109,8 @@ struct flashchip *probe_flash(struct flashchip *flash)
flash++;
continue;
}
- printf_debug("Probing for %s, %d KB\n",
- flash->name, flash->total_size);
+ printf_debug("Probing for %s, %d KB\n",
+ flash->name, flash->total_size);
size = flash->total_size * 1024;
@@ -132,11 +130,11 @@ struct flashchip *probe_flash(struct flashchip *flash)
if (getpagesize() > size) {
size = getpagesize();
printf("WARNING: size: %d -> %ld (page size)\n",
- flash->total_size * 1024, (unsigned long) size);
+ flash->total_size * 1024, (unsigned long)size);
}
bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
- fd_mem, (off_t)flash_baseaddr );
+ fd_mem, (off_t) flash_baseaddr);
if (bios == MAP_FAILED) {
perror("Error: Can't mmap " MEM_DEV ".");
exit(1);
@@ -148,7 +146,7 @@ struct flashchip *probe_flash(struct flashchip *flash)
flash->name, flash_baseaddr);
return flash;
}
- munmap((void *) bios, size);
+ munmap((void *)bios, size);
flash++;
}
@@ -162,11 +160,12 @@ int verify_flash(struct flashchip *flash, uint8_t *buf)
volatile uint8_t *bios = flash->virt_addr;
printf("Verifying flash ");
-
- if(verbose) printf("address: 0x00000000\b\b\b\b\b\b\b\b\b\b");
-
+
+ if (verbose)
+ printf("address: 0x00000000\b\b\b\b\b\b\b\b\b\b");
+
for (idx = 0; idx < total_size; idx++) {
- if (verbose && ( (idx & 0xfff) == 0xfff ))
+ if (verbose && ((idx & 0xfff) == 0xfff))
printf("0x%08x", idx);
if (*(bios + idx) != *(buf + idx)) {
@@ -176,38 +175,37 @@ int verify_flash(struct flashchip *flash, uint8_t *buf)
printf("- FAILED\n");
return 1;
}
-
- if (verbose && ( (idx & 0xfff) == 0xfff ))
+
+ if (verbose && ((idx & 0xfff) == 0xfff))
printf("\b\b\b\b\b\b\b\b\b\b");
}
- if (verbose)
+ if (verbose)
printf("\b\b\b\b\b\b\b\b\b\b ");
-
+
printf("- VERIFIED \n");
return 0;
}
-
void usage(const char *name)
{
printf("usage: %s [-rwvEVfh] [-c chipname] [-s exclude_start]\n", name);
printf(" [-e exclude_end] [-m vendor:part] [-l file.layout] [-i imagename] [file]\n");
- printf(" -r | --read: read flash and save into file\n"
- " -w | --write: write file into flash (default when\n"
- " file is specified)\n"
- " -v | --verify: verify flash against file\n"
- " -E | --erase: erase flash device\n"
- " -V | --verbose: more verbose output\n"
- " -c | --chip <chipname>: probe only for specified flash chip\n"
- " -s | --estart <addr>: exclude start position\n"
- " -e | --eend <addr>: exclude end postion\n"
- " -m | --mainboard <vendor:part>: override mainboard settings\n"
- " -f | --force: force write without checking image\n"
- " -l | --layout <file.layout>: read rom layout from file\n"
- " -i | --image <name>: only flash image name from flash layout\n"
- "\n"
- " If no file is specified, then all that happens\n"
- " is that flash info is dumped.\n\n");
+ printf
+ (" -r | --read: read flash and save into file\n"
+ " -w | --write: write file into flash (default when\n"
+ " file is specified)\n"
+ " -v | --verify: verify flash against file\n"
+ " -E | --erase: erase flash device\n"
+ " -V | --verbose: more verbose output\n"
+ " -c | --chip <chipname>: probe only for specified flash chip\n"
+ " -s | --estart <addr>: exclude start position\n"
+ " -e | --eend <addr>: exclude end postion\n"
+ " -m | --mainboard <vendor:part>: override mainboard settings\n"
+ " -f | --force: force write without checking image\n"
+ " -l | --layout <file.layout>: read rom layout from file\n"
+ " -i | --image <name>: only flash image name from flash layout\n"
+ "\n" " If no file is specified, then all that happens\n"
+ " is that flash info is dumped.\n\n");
exit(1);
}
@@ -219,46 +217,42 @@ int main(int argc, char *argv[])
struct flashchip *flash;
int opt;
int option_index = 0;
- int read_it = 0,
- write_it = 0,
- erase_it = 0,
- verify_it = 0;
+ int read_it = 0, write_it = 0, erase_it = 0, verify_it = 0;
int ret = 0;
- static struct option long_options[]= {
- { "read", 0, 0, 'r' },
- { "write", 0, 0, 'w' },
- { "erase", 0, 0, 'E' },
- { "verify", 0, 0, 'v' },
- { "chip", 1, 0, 'c' },
- { "estart", 1, 0, 's' },
- { "eend", 1, 0, 'e' },
- { "mainboard", 1, 0, 'm' },
- { "verbose", 0, 0, 'V' },
- { "force", 0, 0, 'f' },
- { "layout", 1, 0, 'l' },
- { "image", 1, 0, 'i' },
- { "help", 0, 0, 'h' },
- { 0, 0, 0, 0 }
+ static struct option long_options[] = {
+ {"read", 0, 0, 'r'},
+ {"write", 0, 0, 'w'},
+ {"erase", 0, 0, 'E'},
+ {"verify", 0, 0, 'v'},
+ {"chip", 1, 0, 'c'},
+ {"estart", 1, 0, 's'},
+ {"eend", 1, 0, 'e'},
+ {"mainboard", 1, 0, 'm'},
+ {"verbose", 0, 0, 'V'},
+ {"force", 0, 0, 'f'},
+ {"layout", 1, 0, 'l'},
+ {"image", 1, 0, 'i'},
+ {"help", 0, 0, 'h'},
+ {0, 0, 0, 0}
};
-
- char *filename = NULL;
+ char *filename = NULL;
- unsigned int exclude_start_position=0, exclude_end_position=0; // [x,y)
- char *tempstr=NULL, *tempstr2=NULL;
+ unsigned int exclude_start_position = 0, exclude_end_position = 0; // [x,y)
+ char *tempstr = NULL, *tempstr2 = NULL;
if (argc > 1) {
/* Yes, print them. */
int i;
- printf_debug ("The arguments are:\n");
+ printf_debug("The arguments are:\n");
for (i = 1; i < argc; ++i)
- printf_debug ("%s\n", argv[i]);
+ printf_debug("%s\n", argv[i]);
}
setbuf(stdout, NULL);
- while ((opt = getopt_long(argc, argv, "rwvVEfc:s:e:m:l:i:h", long_options,
- &option_index)) != EOF) {
+ while ((opt = getopt_long(argc, argv, "rwvVEfc:s:e:m:l:i:h",
+ long_options, &option_index)) != EOF) {
switch (opt) {
case 'r':
read_it = 1;
@@ -280,34 +274,34 @@ int main(int argc, char *argv[])
break;
case 's':
tempstr = strdup(optarg);
- sscanf(tempstr,"%x",&exclude_start_position);
+ sscanf(tempstr, "%x", &exclude_start_position);
break;
case 'e':
tempstr = strdup(optarg);
- sscanf(tempstr,"%x",&exclude_end_position);
+ sscanf(tempstr, "%x", &exclude_end_position);
break;
case 'm':
tempstr = strdup(optarg);
strtok(tempstr, ":");
- tempstr2=strtok(NULL, ":");
+ tempstr2 = strtok(NULL, ":");
if (tempstr2) {
- lb_vendor=tempstr;
- lb_part=tempstr2;
+ lb_vendor = tempstr;
+ lb_part = tempstr2;
} else {
printf("warning: ignored wrong format of"
- " mainboard: %s\n", tempstr);
+ " mainboard: %s\n", tempstr);
}
break;
case 'f':
- force=1;
+ force = 1;
break;
case 'l':
- tempstr=strdup(optarg);
+ tempstr = strdup(optarg);
if (read_romlayout(tempstr))
exit(1);
break;
case 'i':
- tempstr=strdup(optarg);
+ tempstr = strdup(optarg);
find_romentry(tempstr);
break;
case 'h':
@@ -325,17 +319,18 @@ int main(int argc, char *argv[])
if (optind < argc)
filename = argv[optind++];
- /* First get full io access */
+ /* First get full io access */
#if defined (__sun) && (defined(__i386) || defined(__amd64))
- if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) != 0){
+ if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) != 0) {
#else
if (iopl(3) != 0) {
#endif
- fprintf(stderr, "ERROR: iopl failed: \"%s\"\n", strerror(errno));
+ fprintf(stderr, "ERROR: iopl failed: \"%s\"\n",
+ strerror(errno));
exit(1);
}
- /* Initialize PCI access for flash enables */
+ /* Initialize PCI access for flash enables */
pacc = pci_alloc(); /* Get the pci_access structure */
/* Set all options you want -- here we stick with the defaults */
pci_init(pacc); /* Initialize the PCI library */
@@ -343,7 +338,8 @@ int main(int argc, char *argv[])
/* Open the memory device. A lot of functions need it */
if ((fd_mem = open(MEM_DEV, O_RDWR)) < 0) {
- perror("Error: Can not access memory using " MEM_DEV ". You need to be root.");
+ perror("Error: Can not access memory using " MEM_DEV
+ ". You need to be root.");
exit(1);
}
@@ -357,13 +353,13 @@ int main(int argc, char *argv[])
/* try to enable it. Failure IS an option, since not all motherboards
* really need this to be done, etc., etc.
*/
- ret = chipset_flash_enable();
- if (ret == -2)
- printf("WARNING: No chipset found. Flash detection "
- "will most likely fail.\n");
-
- board_flash_enable(lb_vendor, lb_part);
+ ret = chipset_flash_enable();
+ if (ret == -2) {
+ printf("WARNING: No chipset found. Flash detection "
+ "will most likely fail.\n");
+ }
+ board_flash_enable(lb_vendor, lb_part);
if ((flash = probe_flash(flashchips)) == NULL) {
printf("No EEPROM/flash device found.\n");
@@ -380,11 +376,11 @@ int main(int argc, char *argv[])
size = flash->total_size * 1024;
buf = (uint8_t *) calloc(size, sizeof(char));
-
+
if (erase_it) {
printf("Erasing flash chip\n");
flash->erase(flash);
- exit(0);
+ exit(0);
} else if (read_it) {
if ((image = fopen(filename, "w")) == NULL) {
perror(filename);
@@ -392,13 +388,13 @@ int main(int argc, char *argv[])
}
printf("Reading Flash...");
if (flash->read == NULL)
- memcpy(buf, (const char *) flash->virt_addr, size);
+ memcpy(buf, (const char *)flash->virt_addr, size);
else
flash->read(flash, buf);
if (exclude_end_position - exclude_start_position > 0)
- memset(buf+exclude_start_position, 0,
- exclude_end_position-exclude_start_position);
+ memset(buf + exclude_start_position, 0,
+ exclude_end_position - exclude_start_position);
fwrite(buf, sizeof(char), size, image);
fclose(image);
@@ -414,7 +410,7 @@ int main(int argc, char *argv[])
perror(filename);
exit(1);
}
- if(image_stat.st_size!=flash->total_size*1024) {
+ if (image_stat.st_size != flash->total_size * 1024) {
fprintf(stderr, "Error: Image size doesnt match\n");
exit(1);
}
@@ -430,26 +426,26 @@ int main(int argc, char *argv[])
* it to the rom layout feature below and drop exclude range
* completely once all flash chips can do rom layouts. stepan
*/
-
+
// ////////////////////////////////////////////////////////////
if (exclude_end_position - exclude_start_position > 0)
- memcpy(buf+exclude_start_position,
- (const char *) flash->virt_addr+exclude_start_position,
- exclude_end_position-exclude_start_position);
+ memcpy(buf + exclude_start_position,
+ (const char *)flash->virt_addr + exclude_start_position,
+ exclude_end_position - exclude_start_position);
- exclude_start_page = exclude_start_position/flash->page_size;
- if ((exclude_start_position%flash->page_size) != 0) {
+ exclude_start_page = exclude_start_position / flash->page_size;
+ if ((exclude_start_position % flash->page_size) != 0) {
exclude_start_page++;
}
- exclude_end_page = exclude_end_position/flash->page_size;
+ exclude_end_page = exclude_end_position / flash->page_size;
// ////////////////////////////////////////////////////////////
// This should be moved into each flash part's code to do it
// cleanly. This does the job.
- handle_romentries(buf, (uint8_t *)flash->virt_addr);
-
+ handle_romentries(buf, (uint8_t *) flash->virt_addr);
+
// ////////////////////////////////////////////////////////////
-
+
if (write_it)
ret |= flash->write(flash, buf);
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