mmu.s

ucos在EPS7209上的移植代码

;****************************************************************************************
;*
;*   mmu.S - NanoWit mmu code
;*
;*   (C) Copyright 2000, Openers Technology, Inc. All Rights Reserved.
;*      
;* The MMU page table.  The virtual memory map created by this page table
;* is as follows:
;*
;* 0x00000000 ~ 0x000fffff => 0x00000000 ~ 0x000fffff : 1Meg of program ROM (nCS0)
;* 0x00100000 ~ 0x001fffff => 0x00600000 ~ 0x006fffff : internal SRAM (only 37.5K exists)
;* 0x00200000 ~ 0x002fffff => 0x00800000 ~ 0x008fffff : EP7312 internal registers
;*
;****************************************************************************************

    AREA    |ZReadOnlyEndOfROM$$PageTable|, DATA, READONLY, ALIGN=14

    EXPORT  PageTable
PageTable
        ;
        ; Program ROM (nCS0), cached
        ;
        DCD     0x00000c1a

        ;
        ; EP7312 internal SRAM, cached and write buffered
        ;
        DCD     0x60000c1e

        ;
        ; EP7209 internal registers
        ;
        DCD     0x80000c12
		DCD     0,0,0,0,0,0,0,0,0,0,0,0,0

    END