Firebee/BaS_gcc
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

moved page alignment responsibility to caller

Browse Source
This commit is contained in:
Markus Fröschle
2014-01-14 20:28:13 +00:00
parent 503bc146b3
commit 21e7b3b1ab
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
BaS_gcc/sys/mmu.c
View File

@@ -448,7 +448,7 @@ bool access_exception(uint32_t pc, uint32_t format_status)
}
else /* map this page */
{
mmu_map_page(fault_address, fault_address);
mmu_map_page(fault_address & 0xfff00000, fault_address & 0xfff00000);
return true;
}
}
@@ -464,11 +464,11 @@ void mmu_map_page(uint32_t virt, uint32_t phys)
/*
* 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_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_CM(0x1) | /* cacheable copyback */
MCF_MMU_MMUDR_R | /* read access enable */