完整的Bell实验室的嵌入式文件系统TFS
源代码在线查看： flashdev.h
/* flash.h: Header file for use with 29LV160 for 32 bit mode (2 devices in x16 mode). */ /* FLASHFUNCSIZE: Size of the array used by the flash operations to copy functions into RAM space for execution out of non-flash memory. */ #define FLASHFUNCSIZE 320 #define FLASH_TIMEOUT 1000000 /* Manufacturer and device ids... */ #define SWAPPED_AMD29LV160T 0x0100c422 #define SWAPPED_AMD29LV160B 0x01004922 #define AMD29LV160T 0x000122C4 #define AMD29LV160B 0x00012249 #define WIDTH 4 #define ftype volatile unsigned long #define FLASHERASE Flasherase32 #define ENDFLASHERASE EndFlasherase32 #define FLASHWRITE Flashwrite32 #define ENDFLASHWRITE EndFlashwrite32 #define FLASHEWRITE Flashewrite32 #define ENDFLASHEWRITE EndFlashewrite32 #define FLASHTYPE Flashtype32 #define ENDFLASHTYPE EndFlashtype32 #define Write_aa_to_555() (*((ftype *)(fdev->base)+0x555) = 0xaaaaaaaa) #define Write_55_to_2aa() (*((ftype *)(fdev->base)+0x2aa) = 0x55555555) #define Write_80_to_555() (*((ftype *)(fdev->base)+0x555) = 0x80808080) #define Write_a0_to_555() (*((ftype *)(fdev->base)+0x555) = 0xa0a0a0a0) #define Write_f0_to_555() (*((ftype *)(fdev->base)+0x555) = 0xf0f0f0f0) #define Write_90_to_555() (*((ftype *)(fdev->base)+0x555) = 0x90909090) #define Write_30_to_(add) (*(ftype *)add = 0x30303030) #define Read_0000() (*(ftype *)(fdev->base)) #define Read_0001() (*((ftype *)(fdev->base)+0x0001)) #define Read_555() (*((ftype *)(fdev->base)+0x555)) #define Is_ff(add) (*(ftype *)add == 0xffffffff) #define Is_not_ff(add) (*(ftype *)add != 0xffffffff) #define D5_Timeout(add) ((*(ftype *)add & 0x20202020) == 0x20202020) #define NotAligned(ptr) ((long)ptr & 3) #define Fwrite(to,frm) (*(ftype *)to = *(ftype *)frm) #define Is_Equal(p1,p2) (*(ftype *)p1 == *(ftype *)p2) #define Is_Not_Equal(p1,p2) (*(ftype *)p1 != *(ftype *)p2)
