这两段代码的效果一样吗

只看该作者 · 2007-7-8 22:20

MEMORY
{
  PAGE 33:
        VECS            origin = 0000h,        length = 0040h
        FLASH:          origin = 0100h,         length = 0F00h
        SARAM_P:        origin = 8100h,        length = 1000h

  PAGE 12:
        B2:             origin = 0060h,        length = 020h
        B0:             origin = 200h,         length = 100h
        B1:             origin = 300h,         length = 100h
        SARAM_D:        origin = 0800h,        length = 0800h
        EXT_RAM:        origin = 8000h ,       length = 8000h
}

SECTIONS
{
        .vectors:        > VECS          PAGE 33
        .text:          > FLASH         PAGE 33
        .data:          > FLASH         PAGE 33
        .bss:           > SARAM_D       PAGE 12
        .stack:          > SARAM_D       PAGE 12
        .buffer:         > SARAM_D       PAGE 12
}

这段代码跟
MEMORY
{
  PAGE 0:
        VECS            origin = 0000h,        length = 0040h
        FLASH:          origin = 0100h,         length = 0F00h
        SARAM_P:        origin = 8100h,        length = 1000h

  PAGE 1:
        B2:             origin = 0060h,        length = 020h
        B0:             origin = 200h,         length = 100h
        B1:             origin = 300h,         length = 100h
        SARAM_D:        origin = 0800h,        length = 0800h
        EXT_RAM:        origin = 8000h ,       length = 8000h
}

SECTIONS
{
        .vectors:        > VECS          PAGE 0
        .text:          > FLASH         PAGE 0
        .data:          > FLASH         PAGE 0
        .bss:           > SARAM_D       PAGE 1
        .stack:          > SARAM_D       PAGE 1
        .buffer:         > SARAM_D       PAGE 1
}
的效果一样吗？

我的意思是说是不是PAGEx可以是任意一个数（只要小于255）；
平时我们写成PAGE0和PAGE1是不是为了加强可读性或者说某种约定，就像你命名一个临时变量一般都会用temp而不会用aa或bb之类的名字一样？