perikiyoxd/exectos
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Let XTLDR provide ACPI system resource

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This commit is contained in:
Rafal Kupiec
2024-06-02 22:30:52 +02:00
parent c289dab514
commit 7f922dd864
1 changed files with 36 additions and 4 deletions
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40
xtldr/modules/xtos_o/xtos.c
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@@ -120,18 +120,21 @@ XtGetSystemResourcesList(IN PXTBL_PAGE_MAPPING PageMap,
{
XTSTATUS Status;
EFI_HANDLE ProtocolHandle;
EFI_GUID AcpiGuid = XT_ACPI_PROTOCOL_GUID;
EFI_GUID FrameBufGuid = XT_FRAMEBUFFER_PROTOCOL_GUID;
PXTBL_ACPI_PROTOCOL AcpiProtocol;
PXTBL_FRAMEBUFFER_PROTOCOL FrameBufProtocol;
XTBL_FRAMEBUFFER_MODE_INFORMATION FbModeInfo;
EFI_PHYSICAL_ADDRESS FbAddress;
ULONG_PTR FbSize;
UINT FrameBufferPages;
PSYSTEM_RESOURCE_FRAMEBUFFER FrameBufferResource;
PSYSTEM_RESOURCE_ACPI AcpiResource;
ULONGLONG Pages;
EFI_PHYSICAL_ADDRESS Address;
PVOID VirtualBase;
PVOID PhysicalBase, VirtualBase;
Pages = (ULONGLONG)EFI_SIZE_TO_PAGES(3 * sizeof(SYSTEM_RESOURCE_FRAMEBUFFER));
Pages = (ULONGLONG)EFI_SIZE_TO_PAGES(sizeof(SYSTEM_RESOURCE_ACPI) + sizeof(SYSTEM_RESOURCE_FRAMEBUFFER));
Status = XtLdrProtocol->Memory.AllocatePages(Pages, &Address);
if(Status != STATUS_EFI_SUCCESS)
@@ -145,13 +148,42 @@ XtGetSystemResourcesList(IN PXTBL_PAGE_MAPPING PageMap,
return Status;
}
FrameBufferResource = (PSYSTEM_RESOURCE_FRAMEBUFFER)Address;
PVOID PhysicalBase = (PVOID)Address;
PhysicalBase = (PVOID)Address;
VirtualBase = *VirtualAddress;
/* Calculate next valid virtual address */
*VirtualAddress += (UINT_PTR)(Pages * EFI_PAGE_SIZE);
AcpiResource = (PSYSTEM_RESOURCE_ACPI)Address;
RtlZeroMemory(AcpiResource, sizeof(SYSTEM_RESOURCE_ACPI));
/* Load FrameBuffer protocol */
Status = XtLdrProtocol->Protocol.Open(&ProtocolHandle, (PVOID*)&AcpiProtocol, &AcpiGuid);
if(Status != STATUS_EFI_SUCCESS)
{
return Status;
}
AcpiResource->Header.ResourceType = SystemResourceAcpi;
AcpiResource->Header.ResourceSize = sizeof(SYSTEM_RESOURCE_ACPI);
/* Get APIC and XSDP/RSDP addresses */
AcpiProtocol->GetApicBase(&AcpiResource->ApicBase);
AcpiProtocol->GetAcpiDescriptionPointer(&AcpiResource->Header.PhysicalAddress);
/* No need to map ACPI */
AcpiResource->Header.VirtualAddress = 0;
RtlInsertTailList(SystemResourcesList, &AcpiResource->Header.ListEntry);
/* Close FrameBuffer protocol */
XtLdrProtocol->Protocol.Close(ProtocolHandle, &FrameBufGuid);
Address = Address + sizeof(SYSTEM_RESOURCE_ACPI);
FrameBufferResource = (PSYSTEM_RESOURCE_FRAMEBUFFER)Address;
RtlZeroMemory(FrameBufferResource, sizeof(SYSTEM_RESOURCE_FRAMEBUFFER));
/* Load FrameBuffer protocol */