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Cleanup hardware allocation memory pool related code

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This commit is contained in:
Rafal Kupiec
2024-06-02 17:29:31 +02:00
parent abb65b99fe
commit 6176ca38a8
8 changed files with 55 additions and 55 deletions
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28
xtldr/modules/xtos_o/amd64/memory.c
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@@ -38,7 +38,7 @@ XtMapHalMemory(IN PXTBL_PAGE_MAPPING PageMap)
PxeBase = ((PHARDWARE_PTE)(PageMap->PtePointer));
/* Check if PXE entry already exists */
if(!PxeBase[(MM_HAL_VA_START >> MM_PXI_SHIFT) & 0x1FF].Valid)
if(!PxeBase[(MM_HARDWARE_VA_START >> MM_PXI_SHIFT) & 0x1FF].Valid)
{
/* No valid PXE, allocate memory */
Status = XtLdrProtocol->Memory.AllocatePages(1, &Address);
@@ -52,9 +52,9 @@ XtMapHalMemory(IN PXTBL_PAGE_MAPPING PageMap)
RtlZeroMemory((PVOID)Address, EFI_PAGE_SIZE);
/* Make PXE valid */
PxeBase[(MM_HAL_VA_START >> MM_PXI_SHIFT) & 0x1FF].Valid = 1;
PxeBase[(MM_HAL_VA_START >> MM_PXI_SHIFT) & 0x1FF].PageFrameNumber = Address / EFI_PAGE_SIZE;
PxeBase[(MM_HAL_VA_START >> MM_PXI_SHIFT) & 0x1FF].Writable = 1;
PxeBase[(MM_HARDWARE_VA_START >> MM_PXI_SHIFT) & 0x1FF].Valid = 1;
PxeBase[(MM_HARDWARE_VA_START >> MM_PXI_SHIFT) & 0x1FF].PageFrameNumber = Address / EFI_PAGE_SIZE;
PxeBase[(MM_HARDWARE_VA_START >> MM_PXI_SHIFT) & 0x1FF].Writable = 1;
/* Set PPE base address */
PpeBase = (PHARDWARE_PTE)(UINT_PTR)Address;
@@ -62,11 +62,11 @@ XtMapHalMemory(IN PXTBL_PAGE_MAPPING PageMap)
else
{
/* Set PPE base address based on existing PXE */
PpeBase = (PHARDWARE_PTE)((PxeBase[(MM_HAL_VA_START >> MM_PXI_SHIFT) & 0x1FF].PageFrameNumber) << EFI_PAGE_SHIFT);
PpeBase = (PHARDWARE_PTE)((PxeBase[(MM_HARDWARE_VA_START >> MM_PXI_SHIFT) & 0x1FF].PageFrameNumber) << EFI_PAGE_SHIFT);
}
/* Check if PPE entry already exists */
if(!PpeBase[(MM_HAL_VA_START >> MM_PPI_SHIFT) & 0x1FF].Valid)
if(!PpeBase[(MM_HARDWARE_VA_START >> MM_PPI_SHIFT) & 0x1FF].Valid)
{
/* No valid PPE, allocate memory */
Status = XtLdrProtocol->Memory.AllocatePages(1, &Address);
@@ -80,9 +80,9 @@ XtMapHalMemory(IN PXTBL_PAGE_MAPPING PageMap)
RtlZeroMemory((PVOID)Address, EFI_PAGE_SIZE);
/* Make PPE valid */
PpeBase[(MM_HAL_VA_START >> MM_PPI_SHIFT) & 0x1FF].Valid = 1;
PpeBase[(MM_HAL_VA_START >> MM_PPI_SHIFT) & 0x1FF].PageFrameNumber = Address / EFI_PAGE_SIZE;
PpeBase[(MM_HAL_VA_START >> MM_PPI_SHIFT) & 0x1FF].Writable = 1;
PpeBase[(MM_HARDWARE_VA_START >> MM_PPI_SHIFT) & 0x1FF].Valid = 1;
PpeBase[(MM_HARDWARE_VA_START >> MM_PPI_SHIFT) & 0x1FF].PageFrameNumber = Address / EFI_PAGE_SIZE;
PpeBase[(MM_HARDWARE_VA_START >> MM_PPI_SHIFT) & 0x1FF].Writable = 1;
/* Set PDE base address */
PdeBase = (PHARDWARE_PTE)Address;
@@ -90,14 +90,14 @@ XtMapHalMemory(IN PXTBL_PAGE_MAPPING PageMap)
else
{
/* Set PDE base address, based on existing PPE */
PdeBase = (PHARDWARE_PTE)((PpeBase[(MM_HAL_VA_START >> MM_PPI_SHIFT) & 0x1FF].PageFrameNumber) << EFI_PAGE_SHIFT);
PdeBase = (PHARDWARE_PTE)((PpeBase[(MM_HARDWARE_VA_START >> MM_PPI_SHIFT) & 0x1FF].PageFrameNumber) << EFI_PAGE_SHIFT);
}
/* Loop through 2 PDE entries */
for(UINT Index = 0 ; Index < 2 ; Index++)
{
/* Check if PDE entry already exists */
if(!PdeBase[((MM_HAL_VA_START >> MM_PDI_SHIFT) & 0x1FF) + Index].Valid)
if(!PdeBase[((MM_HARDWARE_VA_START >> MM_PDI_SHIFT) & 0x1FF) + Index].Valid)
{
/* No valid PDE, allocate memory */
Status = XtLdrProtocol->Memory.AllocatePages(1, &Address);
@@ -111,9 +111,9 @@ XtMapHalMemory(IN PXTBL_PAGE_MAPPING PageMap)
RtlZeroMemory((PVOID)Address, EFI_PAGE_SIZE);
/* Make PDE valid */
PdeBase[((MM_HAL_VA_START >> MM_PDI_SHIFT) & 0x1FF) + Index].Valid = 1;
PdeBase[((MM_HAL_VA_START >> MM_PDI_SHIFT) & 0x1FF) + Index].PageFrameNumber = Address / EFI_PAGE_SIZE;
PdeBase[((MM_HAL_VA_START >> MM_PDI_SHIFT) & 0x1FF) + Index].Writable = 1;
PdeBase[((MM_HARDWARE_VA_START >> MM_PDI_SHIFT) & 0x1FF) + Index].Valid = 1;
PdeBase[((MM_HARDWARE_VA_START >> MM_PDI_SHIFT) & 0x1FF) + Index].PageFrameNumber = Address / EFI_PAGE_SIZE;
PdeBase[((MM_HARDWARE_VA_START >> MM_PDI_SHIFT) & 0x1FF) + Index].Writable = 1;
}
}