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boot/efi: use ROUNDUP for aligning the page directory

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Change-Id: Ib52ca83cbc390f2e450c174741ed24e745fb7eab
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4655
Reviewed-by: Adrien Destugues <[email protected]>
This commit is contained in:
David Karoly
2021-10-24 09:05:47 +00:00
committed by Adrien Destugues
parent 5ac73692f2
commit b594d76c81
1 changed files with 1 additions and 1 deletions
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src/system/boot/platform/efi/arch/arm/arch_mmu.cpp
+1 -1
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@@ -240,7 +240,7 @@ arch_mmu_allocate_page_tables(void)
if (platform_allocate_region((void **)&sPageDirectory,
ARM_MMU_L1_TABLE_SIZE + ALIGN_PAGEDIR + PAGE_TABLE_AREA_SIZE, 0, false) != B_OK)
panic("Failed to allocate page directory.");
sPageDirectory = (uint32*)(((uint32)sPageDirectory + ALIGN_PAGEDIR - 1) & ~(ALIGN_PAGEDIR-1));
sPageDirectory = (uint32 *)ROUNDUP((uint32)sPageDirectory, ALIGN_PAGEDIR);
memset(sPageDirectory, 0, ARM_MMU_L1_TABLE_SIZE);
sFirstPageTable = (uint32*)((uint32)sPageDirectory + ARM_MMU_L1_TABLE_SIZE);