diff -r 0d84d95790d9 -r 16c8ceea8f18 drivers/nvram_file/nvram_file.c --- a/drivers/nvram_file/nvram_file.c Tue Feb 13 17:21:19 2007 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,114 +0,0 @@ -#include - - -/* size of NVRAM in bytes */ -#define NVRAM_MAX_SIZE 262144 - -/* size of block in byte */ -#define NVRAM_BLOCK_SIZE 256 - -#define NVRAM_FILE_NAME "__nvram__" - -FILE *nvram_file = NULL; - - -void iat_flash_read_regs(); -void iat_flash_write_regs(); -void iat_flash_write_page(unsigned int); -void iat_flash_read_page(unsigned int); - - -short data_len; /* 0 to NVRAM_BLOCK_SIZE bytes */ -short data_num_pages; -unsigned int *data_page = NULL; -unsigned int data_addr; - -unsigned int *regs_page = NULL; - -int iat_init() -{ - int i; - - nvram_file = fopen(NVRAM_FILE_NAME, "wr"); - if (nvram_file == NULL) - return -1; - - int n = NVRAM_BLOCK_SIZE / sizeof(unsigned int); - - /* some actions to initialise the flash */ - data_len = 0; - data_num_pages = 0; - - data_page = (unsigned int *)malloc(sizeof(unsigned int) * n); - memset(data_page, 0, sizeof(unsigned int)*n); - - if (data_page == NULL) - return -1; - - regs_page = (unsigned int *)malloc(sizeof(unsigned int) * n); - memset(regs_page, 0, sizeof(unsigned int)*n); - if (regs_page == NULL) - return -2; - - iat_flash_read_regs(); - - /* start the data at the location specified in the registers */ - if (0) /* for now it is 0, but put here a test to know whether - or not the NVRAM has been written before */ - data_addr = regs_page[1]; - else - data_addr = NVRAM_BLOCK_SIZE; /* let start at block 1 */ - - /* create a file the size of the simulated NVRAM */ - for(i=0; i