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Avoid using the first physical page. The first 2kB are supposedly protected by the hardware (though it should be accessible by supervisor...) This fixes an segfault.

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Now the kernel panics in M68KAtari::InitTimer()... "WRITEME" :)


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28008 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol
2008-10-12 21:34:31 +00:00
parent c87d34624e
commit 33fa38c894
2 changed files with 4 additions and 2 deletions
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src/system/boot/platform/atari_m68k/atari_memory_map.h
+3 -1
View File
@@ -6,7 +6,9 @@
#define ATARI_MEMORY_MAP_H
/* the DMA-accessible RAM */
#define ATARI_CHIPRAM_BASE 0x00000000
/*#define ATARI_CHIPRAM_BASE 0x00000000*/
/* actually, the first 2kB aren't usable */
#define ATARI_CHIPRAM_BASE 0x00001000
#define ATARI_CHIPRAM_MAX 0x00e00000
#define ATARI_CHIPRAM_LAST \
(ATARI_CHIPRAM_BASE + (ATARI_CHIPRAM_MAX - 1))
src/system/boot/platform/atari_m68k/mmu.cpp
+1 -1
View File
@@ -625,7 +625,7 @@ mmu_init(void)
// st ram as 1st range
gKernelArgs.physical_memory_range[0].start = ATARI_CHIPRAM_BASE;
gKernelArgs.physical_memory_range[0].size = *TOSVARphystop;
gKernelArgs.physical_memory_range[0].size = *TOSVARphystop - ATARI_CHIPRAM_BASE;
gKernelArgs.num_physical_memory_ranges = 1;
// fast ram as 2nd range