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removed locked TLB from 1fe00000 - not needed

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Markus Fröschle
2013-08-07 05:55:39 +00:00
parent 3dd062d092
commit 89d85d9d5a
1 changed files with 1 additions and 9 deletions
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10
sources/mmu.S
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@@ -162,16 +162,8 @@ _mmu_init:
move.l d2,MCF_MMU_MMUOR // mapped to ffffxxx, precise, move.l d2,MCF_MMU_MMUOR // mapped to ffffxxx, precise,
move.l d3,MCF_MMU_MMUOR // mapped to ffffxxx, precise, move.l d3,MCF_MMU_MMUOR // mapped to ffffxxx, precise,
// 1fe0'0000 locked
move.l #0x1FE00000|std_mmutr,d0 // last two megabytes of RAM. Reserved for BaS in RAM and BaS in ROM/data+bss
move.l #0x1FE00000|copyback_mmudr|MCF_MMU_MMUDR_LK,d1
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
// 1ff0'0000 locked // 1ff0'0000 locked
move.l #0x1FF00000|std_mmutr,d0 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 #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 d1,MCF_MMU_MMUDR