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Calculate total boot image size and pass it to kernel
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This commit is contained in:
Aiken Harris
2026-01-27 16:50:11 +01:00
parent 2c8eb6d692
commit a4b9f495e5
2 changed files with 7 additions and 0 deletions
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6
boot/xtldr/modules/xtos_o/xtos.cc
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@@ -234,6 +234,9 @@ Xtos::GetMemoryDescriptorList(IN PXTBL_PAGE_MAPPING PageMap,
XtLdrProtocol->Memory.PhysicalListToVirtual(PageMap, MemoryDescriptorList, PhysicalBase, *VirtualAddress); XtLdrProtocol->Memory.PhysicalListToVirtual(PageMap, MemoryDescriptorList, PhysicalBase, *VirtualAddress);
/* Calculate next valid virtual address */
*VirtualAddress = (PUINT8)*VirtualAddress + (Pages * EFI_PAGE_SIZE);
return STATUS_EFI_SUCCESS; return STATUS_EFI_SUCCESS;
} }
@@ -469,6 +472,9 @@ Xtos::InitializeLoaderBlock(IN PXTBL_PAGE_MAPPING PageMap,
XtLdrProtocol->LinkedList.InitializeHead(&LoaderBlock->MemoryDescriptorListHead); XtLdrProtocol->LinkedList.InitializeHead(&LoaderBlock->MemoryDescriptorListHead);
GetMemoryDescriptorList(PageMap, VirtualAddress, &LoaderBlock->MemoryDescriptorListHead); GetMemoryDescriptorList(PageMap, VirtualAddress, &LoaderBlock->MemoryDescriptorListHead);
/* Set boot image size */
LoaderBlock->BootImageSize = (PFN_NUMBER)(((ULONGLONG)*VirtualAddress - KSEG0_BASE) / EFI_PAGE_SIZE);
/* Return success */ /* Return success */
return STATUS_EFI_SUCCESS; return STATUS_EFI_SUCCESS;
} }

1
sdk/xtdk/xtfw.h
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@@ -107,6 +107,7 @@ typedef struct _KERNEL_INITIALIZATION_BLOCK
ULONG BlockVersion; ULONG BlockVersion;
ULONG ProtocolVersion; ULONG ProtocolVersion;
PWCHAR KernelParameters; PWCHAR KernelParameters;
PFN_NUMBER BootImageSize;
LIST_ENTRY LoadOrderListHead; LIST_ENTRY LoadOrderListHead;
LIST_ENTRY MemoryDescriptorListHead; LIST_ENTRY MemoryDescriptorListHead;
LIST_ENTRY BootDriverListHead; LIST_ENTRY BootDriverListHead;