xt-sys/exectos
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Ensure contiguous virtual memory mapping
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This commit is contained in:
Aiken Harris
2026-01-23 20:55:56 +01:00
parent b5f220a2ae
commit 31b0e4f441
1 changed files with 3 additions and 4 deletions
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7
boot/xtldr/modules/xtos_o/xtos.cc
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@@ -607,7 +607,7 @@ Xtos::RunBootSequence(IN PEFI_FILE_HANDLE BootDir,
PXTBL_FRAMEBUFFER_PROTOCOL FrameBufProtocol; PXTBL_FRAMEBUFFER_PROTOCOL FrameBufProtocol;
PPECOFF_IMAGE_CONTEXT ImageContext = NULLPTR; PPECOFF_IMAGE_CONTEXT ImageContext = NULLPTR;
PEFI_LOADED_IMAGE_PROTOCOL ImageProtocol; PEFI_LOADED_IMAGE_PROTOCOL ImageProtocol;
PVOID VirtualAddress, VirtualMemoryArea; PVOID VirtualAddress;
PXT_ENTRY_POINT KernelEntryPoint; PXT_ENTRY_POINT KernelEntryPoint;
EFI_HANDLE ProtocolHandle; EFI_HANDLE ProtocolHandle;
EFI_STATUS Status; EFI_STATUS Status;
@@ -629,13 +629,12 @@ Xtos::RunBootSequence(IN PEFI_FILE_HANDLE BootDir,
XtLdrProtocol->Protocol.Close(&ProtocolHandle, &FrameBufGuid); XtLdrProtocol->Protocol.Close(&ProtocolHandle, &FrameBufGuid);
/* Set base virtual memory area for the kernel mappings */ /* Set base virtual memory area for the kernel mappings */
VirtualMemoryArea = (PVOID)KSEG0_BASE; VirtualAddress = (PVOID)(KSEG0_BASE);
VirtualAddress = (PVOID)(KSEG0_BASE + KSEG0_KERNEL_BASE);
/* Initialize virtual memory mappings */ /* Initialize virtual memory mappings */
XtLdrProtocol->Memory.InitializePageMap(&PageMap, DeterminePagingLevel(Parameters->Parameters), Size4K); XtLdrProtocol->Memory.InitializePageMap(&PageMap, DeterminePagingLevel(Parameters->Parameters), Size4K);
Status = XtLdrProtocol->Memory.MapEfiMemory(&PageMap, &VirtualMemoryArea, NULLPTR); Status = XtLdrProtocol->Memory.MapEfiMemory(&PageMap, &VirtualAddress, NULLPTR);
if(Status != STATUS_EFI_SUCCESS) if(Status != STATUS_EFI_SUCCESS)
{ {
return Status; return Status;