xt-sys/exectos
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Refactor MMU for multi-paging support and add 5-Level paging #16

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harraiken wants to merge 35 commits from harraiken_mm into master
pull from: harraiken_mm
merge into: xt-sys:master
Conversation 0 Commits 35 Files Changed 42 +15 -8
3 changed files with 15 additions and 8 deletions
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Showing only changes of commit 3ca6d04f6b - Show all commits

19
sdk/xtdk/amd64/mmtypes.h
View File

@ -18,11 +18,18 @@
#define MM_PAGE_SHIFT 12L
#define MM_PAGE_SIZE 4096
/* Page directory and page base addresses */
#define MM_PTE_BASE 0xFFFFF68000000000UI64
#define MM_PDE_BASE 0xFFFFF6FB40000000UI64
#define MM_PPE_BASE 0xFFFFF6FB7DA00000UI64
#define MM_PXE_BASE 0xFFFFF6FB7DBED000UI64
/* Page directory and page base addresses for 4-level paging */
#define MM_PTE_BASE 0xFFFFF68000000000ULL
#define MM_PDE_BASE 0xFFFFF6FB40000000ULL
#define MM_PPE_BASE 0xFFFFF6FB7DA00000ULL
#define MM_PXE_BASE 0xFFFFF6FB7DBED000ULL
/* Page directory and page base addresses for 5-level paging */
#define MM_PTE_LA57_BASE 0xFFFFF68000000000ULL
#define MM_PDE_LA57_BASE 0xFFFFF78000000000ULL
#define MM_PPE_LA57_BASE 0xFFFFF78800000000ULL
#define MM_PXE_LA57_BASE 0xFFFFF78840000000ULL
#define MM_P5E_LA57_BASE 0xFFFFF78840200000ULL
/* PTE shift values */
#define MM_PTE_SHIFT 3
@ -54,7 +61,7 @@
#define MM_HARDWARE_VA_START 0xFFFFFFFFFFC00000ULL
/* Maximum physical address used by HAL allocations */
#define MM_MAXIMUM_PHYSICAL_ADDRESS 0x00000000FFFFFFFF
#define MM_MAXIMUM_PHYSICAL_ADDRESS 0x00000000FFFFFFFFULL
/* Page size enumeration list */
typedef enum _PAGE_SIZE

2
xtldr/modules/xtos_o/amd64/memory.c
View File

@ -185,7 +185,7 @@ XtEnablePaging(IN PXTBL_PAGE_MAPPING PageMap)
EFI_STATUS Status;
/* Build page map */
Status = XtLdrProtocol->Memory.BuildPageMap(PageMap, 0xFFFFF6FB7DBED000);
Status = XtLdrProtocol->Memory.BuildPageMap(PageMap, (PageMap->PageMapLevel > 4) ? MM_P5E_LA57_BASE : MM_PXE_BASE);
if(Status != STATUS_EFI_SUCCESS)
{
/* Failed to build page map */

2
xtldr/modules/xtos_o/i686/memory.c
View File

@ -126,7 +126,7 @@ XtEnablePaging(IN PXTBL_PAGE_MAPPING PageMap)
EFI_STATUS Status;
/* Build page map */
Status = XtLdrProtocol->Memory.BuildPageMap(PageMap, 0xC0000000);
Status = XtLdrProtocol->Memory.BuildPageMap(PageMap, MM_PTE_BASE);
if(Status != STATUS_EFI_SUCCESS)
{
/* Failed to build page map */