📄 mmu.s
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;****************************************************************************************
;*
;* 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
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