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ArmPkg/Mmu: Support page size granularity in the initial MMU setting

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Formerly, it was only possible to use section size granularity for the
translation table regions.
This change allows to define initial translation table regions with
4K-byte granularty (page size granularity).



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11467 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin
2011-03-31 11:23:55 +00:00
parent 2ed2ed29c2
commit 2cf4b60895
4 changed files with 354 additions and 62 deletions
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21
ArmPlatformPkg/Library/EblCmdLib/EblCmdMmu.c
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@@ -35,27 +35,6 @@
TT_DESCRIPTOR_SECTION_CACHE_POLICY_STRONGLY_ORDERED)
// Small Page
#define TT_DESCRIPTOR_PAGE_WRITE_BACK (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \
TT_DESCRIPTOR_PAGE_NG_GLOBAL | \
TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \
TT_DESCRIPTOR_PAGE_AP_RW_RW | \
TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_BACK_ALLOC)
#define TT_DESCRIPTOR_PAGE_WRITE_THROUGH (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \
TT_DESCRIPTOR_PAGE_NG_GLOBAL | \
TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \
TT_DESCRIPTOR_PAGE_AP_RW_RW | \
TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC)
#define TT_DESCRIPTOR_PAGE_DEVICE (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \
TT_DESCRIPTOR_PAGE_NG_GLOBAL | \
TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \
TT_DESCRIPTOR_PAGE_AP_RW_RW | \
TT_DESCRIPTOR_PAGE_CACHE_POLICY_SHAREABLE_DEVICE)
#define TT_DESCRIPTOR_PAGE_UNCACHED (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \
TT_DESCRIPTOR_PAGE_NG_GLOBAL | \
TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \
TT_DESCRIPTOR_PAGE_AP_RW_RW | \
TT_DESCRIPTOR_PAGE_CACHE_POLICY_NON_CACHEABLE)
#define TT_DESCRIPTOR_PAGE_STRONGLY_ORDER (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \
TT_DESCRIPTOR_PAGE_NG_GLOBAL | \
TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \