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moved page alignment responsibility to caller

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This commit is contained in:
Markus Fröschle
2014-01-14 20:28:13 +00:00
parent 3d9a5e9627
commit cdaefc9343
1 changed files with 3 additions and 3 deletions
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6
BaS_gcc/sys/mmu.c
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@@ -448,7 +448,7 @@ bool access_exception(uint32_t pc, uint32_t format_status)
} }
else /* map this page */ else /* map this page */
{ {
mmu_map_page(fault_address, fault_address); mmu_map_page(fault_address & 0xfff00000, fault_address & 0xfff00000);
return true; return true;
} }
} }
@@ -464,11 +464,11 @@ void mmu_map_page(uint32_t virt, uint32_t phys)
/* /*
* add page to TLB * add page to TLB
*/ */
MCF_MMU_MMUTR = (virt & 0xfff00000) | /* virtual aligned to 1M */ MCF_MMU_MMUTR = virt | /* virtual address */
MCF_MMU_MMUTR_SG | /* shared global */ MCF_MMU_MMUTR_SG | /* shared global */
MCF_MMU_MMUTR_V; /* valid */ MCF_MMU_MMUTR_V; /* valid */
MCF_MMU_MMUDR = (phys & 0xfff00000) | /* physical aligned to 1M */ MCF_MMU_MMUDR = phys | /* physical address */
MCF_MMU_MMUDR_SZ(0) | /* 1 MB page size */ MCF_MMU_MMUDR_SZ(0) | /* 1 MB page size */
MCF_MMU_MMUDR_CM(0x1) | /* cacheable copyback */ MCF_MMU_MMUDR_CM(0x1) | /* cacheable copyback */
MCF_MMU_MMUDR_R | /* read access enable */ MCF_MMU_MMUDR_R | /* read access enable */