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corrected MMU locked TLB for RAM and Makefile (RAM load address)

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Markus Fröschle
2013-08-07 19:29:55 +00:00
parent bc51f7c6eb
commit 42c96608e6
2 changed files with 4 additions and 3 deletions
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5
BaS_gcc/sources/mmu.S
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@@ -106,6 +106,7 @@ _mmu_init:
move.l d0,_rt_acr2 // save shadow register
clr.l d0 // acr3 off
//move.l #0x1F07C400,d0 // instruction r wt e000'0000-e07f'ffff
movec d0,ACR3
move.l d0,_rt_acr3 // save shadow register
@@ -165,10 +166,10 @@ _mmu_init:
// 1ff0'0000 locked
move.l #0x1FF00000|std_mmutr,d0 // last megabyte of RAM. Reserved for BaS
move.l #0x1FF00000|copyback_mmudr|MCF_MMU_MMUDR_LK,d1
move.l d0,MCF_MMU_MMUTR
move.l d0,MCF_MMU_MMUTR
move.l d1,MCF_MMU_MMUDR
move.l d2,MCF_MMU_MMUOR // setzen data
move.l d3,MCF_MMU_MMUOR // setzen instr
move.l d3,MCF_MMU_MMUOR // setzen instr
// instr 0xFFF0'0000 nach 0x1FF0'0000 umleiten -->> short sprung
/* move.l #0xFFF00000|std_mmutr,d0
move.l #0x1FF00000|copyback_mmudr|MCF_MMU_MMUDR_LK,d1