flash_strata.h

完整的Bell实验室的嵌入式文件系统TFS

#define ftype               volatile unsigned long

#define WBS                 0x00800080
#define WSMS                0x00800080
#define ESS                 0x00400040
#define ECLBS               0x00200020
#define PSLBS               0x00100010
#define VPENS               0x00080008
#define RSVD2               0x00040004
#define DPS                 0x00020002
#define RSVD0               0x00010001

#define Write_20_to_base()  (*(ftype *)(fdev->base) = 0x00200020)
#define Write_40_to_base()  (*(ftype *)(fdev->base) = 0x00400040)
#define Write_50_to_base()  (*(ftype *)(fdev->base) = 0x00500050)
#define Write_60_to_base()  (*(ftype *)(fdev->base) = 0x00600060)
#define Write_70_to_base()  (*(ftype *)(fdev->base) = 0x00700070)
#define Write_90_to_base()  (*(ftype *)(fdev->base) = 0x00900090)
#define Write_ff_to_base()  (*(ftype *)(fdev->base) = 0x00ff00ff)
#define Write_0f_to_(add)   (*(ftype *)add = 0x000f000f)
#define Write_20_to_(add)   (*(ftype *)add = 0x00200020)
#define Write_40_to_(add)   (*(ftype *)add = 0x00400040)
#define Write_d0_to_(add)   (*(ftype *)add = 0x00d000d0)
#define Write_e8_to_(add)   (*(ftype *)add = 0x00e800e8)
#define Read_0000()         (*(ftype *)(fdev->base))
#define Read_0001()         (*(ftype *)(fdev->base+4))
#define Not32BitAligned(ptr)    ((long)ptr & 3)

#define WAIT_FOR_WRITE(add,data)    while(*(ftype *)add != *(ftype *)data)
#define WAIT_FOR_FF(add)            while((*(ftype *)add) != 0xffffffff)
#define WAIT_FOR_WSMS_READY()       while((Read_0000() & WSMS) != WSMS)
#define WBUF_NOT_AVAIL(add)         ((*(ftype *)add & WBS) != WBS)