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stack was misaligned

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Markus Fröschle
2013-11-19 14:59:20 +00:00
parent 8bbf52a8cb
commit 1ad308bf6e
2 changed files with 5 additions and 2 deletions
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4
BaS_gcc/sources/exceptions.S
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@@ -554,7 +554,9 @@ access_mmu:
move.l MCF_MMU_MMUAR,d0 move.l MCF_MMU_MMUAR,d0
cmp.l #__FASTRAM_END,d0 // above max User RAM area? cmp.l #__FASTRAM_END,d0 // above max User RAM area?
bge bus_error // -> bus error bge bus_error // -> bus error
bra _mmutr_miss // else we have an MMU TLB miss bsr _mmutr_miss // else we have an MMU TLB miss
move.l (sp)+,d0 // restore register
rte
bus_error: bus_error:
move.l (sp)+,d0 // restore register move.l (sp)+,d0 // restore register

3
BaS_gcc/sources/mmu.c
View File

@@ -345,7 +345,7 @@ void mmu_init(void)
MCF_MMU_MMUOR_UAA; /* update allocation address field */ MCF_MMU_MMUOR_UAA; /* update allocation address field */
} }
void __attribute__((interrupt)) mmutr_miss(void) void mmutr_miss(void)
{ {
register uint32_t address asm("d0"); register uint32_t address asm("d0");
@@ -367,6 +367,7 @@ void __attribute__((interrupt)) mmutr_miss(void)
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ITLB | /* instruction */ MCF_MMU_MMUOR = MCF_MMU_MMUOR_ITLB | /* instruction */
MCF_MMU_MMUOR_ACC | /* access TLB */ MCF_MMU_MMUOR_ACC | /* access TLB */
MCF_MMU_MMUOR_UAA; /* update allocation address field */ MCF_MMU_MMUOR_UAA; /* update allocation address field */
} }