diff options
Diffstat (limited to 'flashrom.c')
| -rw-r--r-- | flashrom.c | 50 |
1 files changed, 37 insertions, 13 deletions
@@ -4,6 +4,7 @@ * Copyright (C) 2000 Silicon Integrated System Corporation * Copyright (C) 2004 Tyan Corp <yhlu@tyan.com> * Copyright (C) 2005-2008 coresystems GmbH + * Copyright (C) 2008,2009 Carl-Daniel Hailfinger * * 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 @@ -81,6 +82,18 @@ void map_flash_registers(struct flashchip *flash) flash->virtual_registers = physmap("flash chip registers", (0xFFFFFFFF - 0x400000 - size + 1), size); } +int read_memmapped(struct flashchip *flash, uint8_t *buf) +{ + int i; + + /* We could do a memcpy as optimization if the flash is onboard */ + //memcpy(buf, (const char *)flash->virtual_memory, flash->total_size * 1024); + for (i = 0; i < flash->total_size * 1024; i++) + buf[i] = chip_readb(flash->virtual_memory + i); + + return 0; +} + struct flashchip *probe_flash(struct flashchip *first_flash, int force) { volatile uint8_t *bios; @@ -145,9 +158,11 @@ int verify_flash(struct flashchip *flash, uint8_t *buf) int idx; int total_size = flash->total_size * 1024; uint8_t *buf2 = (uint8_t *) calloc(total_size, sizeof(char)); - if (flash->read == NULL) - memcpy(buf2, (const char *)flash->virtual_memory, total_size); - else + if (!flash->read) { + printf("FAILED!\n"); + fprintf(stderr, "ERROR: flashrom has no read function for this flash chip.\n"); + return 1; + } else flash->read(flash, buf2); printf("Verifying flash... "); @@ -191,9 +206,11 @@ int read_flash(struct flashchip *flash, char *filename, unsigned int exclude_sta exit(1); } printf("Reading flash... "); - if (flash->read == NULL) - memcpy(buf, (const char *)flash->virtual_memory, size); - else + if (!flash->read) { + printf("FAILED!\n"); + fprintf(stderr, "ERROR: flashrom has no read function for this flash chip.\n"); + return 1; + } else flash->read(flash, buf); if (exclude_end_position - exclude_start_position > 0) @@ -219,11 +236,13 @@ int erase_flash(struct flashchip *flash) fprintf(stderr, "ERROR: flashrom has no erase function for this flash chip.\n"); return 1; } - flash->erase(flash); - if (NULL == flash->read) - memcpy(buf, (const char *)flash->virtual_memory, size); - else + if (!flash->read) { + printf("FAILED!\n"); + fprintf(stderr, "ERROR: flashrom has no read function for this flash chip.\n"); + return 1; + } else flash->read(flash, buf); + for (erasedbytes = 0; erasedbytes < size; erasedbytes++) if (0xff != buf[erasedbytes]) { printf("FAILED!\n"); @@ -537,9 +556,11 @@ int main(int argc, char *argv[]) exit(1); } printf("Force reading flash... "); - if (!flashes[0]->read) - memcpy(buf, (const char *)flashes[0]->virtual_memory, size); - else + if (!flashes[0]->read) { + printf("FAILED!\n"); + fprintf(stderr, "ERROR: flashrom has no read function for this flash chip.\n"); + return 1; + } else flashes[0]->read(flashes[0], buf); if (exclude_end_position - exclude_start_position > 0) @@ -648,6 +669,9 @@ int main(int argc, char *argv[]) */ // //////////////////////////////////////////////////////////// + /* FIXME: This memcpy will not work for SPI nor external flashers. + * Convert to chip_readb. + */ if (exclude_end_position - exclude_start_position > 0) memcpy(buf + exclude_start_position, (const char *)flash->virtual_memory + |
