perikiyoxd/exectos
1
0
Fork 0
forked from xt-sys/exectos
Code Pull Requests Activity

Use new paging implementation

Browse Source
This commit is contained in:
Rafal Kupiec
2024-01-17 22:24:55 +01:00
parent 89c18bbce6
commit 0e4575b278
4 changed files with 49 additions and 317 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
xtldr/modules/xtos_o/xtos.c
View File

@@ -22,9 +22,6 @@ PXTBL_EXECUTABLE_IMAGE_PROTOCOL XtPeCoffProtocol;
/* XTOS Boot Protocol */
XTBL_BOOT_PROTOCOL XtBootProtocol;
/* XTOS Page Map */
PVOID XtPageMap;
/**
* Starts the operating system according to the provided parameters using XTOS boot protocol.
*
@@ -182,27 +179,28 @@ XtpBootSequence(IN PEFI_FILE_HANDLE BootDir,
PEFI_LOADED_IMAGE_PROTOCOL ImageProtocol;
PVOID VirtualAddress, VirtualMemoryArea;
PXT_ENTRY_POINT KernelEntryPoint;
LIST_ENTRY MemoryMappings;
EFI_HANDLE ProtocolHandle;
EFI_STATUS Status;
XTBL_PAGE_MAPPING PageMap;
/* Initialize XTOS startup sequence */
XtLdrProtocol->Debug.Print(L"Initializing XTOS startup sequence\n");
XtLdrProtocol->Debug.Print(L"DUPA1\n");
/* Set base virtual memory area for the kernel mappings */
VirtualMemoryArea = (PVOID)KSEG0_BASE;
VirtualAddress = (PVOID)(KSEG0_BASE + KSEG0_KERNEL_BASE);
/* Initialize memory mapping linked list */
RtlInitializeListHead(&MemoryMappings);
/* Initialize virtual memory mappings */
Status = XtInitializeVirtualMemory(&MemoryMappings, &VirtualMemoryArea);
XtLdrProtocol->Memory.InitializePageMap(&PageMap, 3, VirtualMemoryArea);
XtLdrProtocol->Debug.Print(L"DUPA2\n");
Status = XtLdrProtocol->Memory.MapEfiMemory(&PageMap, NULL);
if(Status != STATUS_EFI_SUCCESS)
{
/* Failed to initialize virtual memory */
return Status;
}
XtLdrProtocol->Debug.Print(L"DUPA3\n");
/* Load the kernel */
Status = XtpLoadModule(BootDir, Parameters->KernelFile, VirtualAddress, LoaderSystemCode, &ImageContext);
@@ -213,7 +211,7 @@ XtpBootSequence(IN PEFI_FILE_HANDLE BootDir,
}
/* Add kernel image memory mapping */
Status = XtAddVirtualMemoryMapping(&MemoryMappings, ImageContext->VirtualAddress,
Status = XtLdrProtocol->Memory.MapVirtualMemory(&PageMap, ImageContext->VirtualAddress,
ImageContext->PhysicalAddress, ImageContext->ImagePages, 0);
if(Status != STATUS_EFI_SUCCESS)
{
@@ -227,7 +225,7 @@ XtpBootSequence(IN PEFI_FILE_HANDLE BootDir,
KernelParameters = (PKERNEL_INITIALIZATION_BLOCK)VirtualAddress;
/* Setup and map kernel initialization block */
Status = XtpInitializeLoaderBlock(&MemoryMappings, &VirtualAddress, Parameters);
Status = XtpInitializeLoaderBlock(&PageMap, &VirtualAddress, Parameters);
if(Status != STATUS_EFI_SUCCESS)
{
/* Failed to setup kernel initialization block */
@@ -236,7 +234,7 @@ XtpBootSequence(IN PEFI_FILE_HANDLE BootDir,
}
/* Find and map APIC base address */
Status = XtpInitializeApicBase(&MemoryMappings);
Status = XtpInitializeApicBase(&PageMap);
if(Status != STATUS_EFI_SUCCESS)
{
/* Failed to setup kernel initialization block */
@@ -252,7 +250,7 @@ XtpBootSequence(IN PEFI_FILE_HANDLE BootDir,
/* Enable paging */
XtLdrProtocol->Protocol.Open(&ProtocolHandle, (PVOID*)&ImageProtocol, &LoadedImageGuid);
Status = XtEnablePaging(&MemoryMappings, VirtualAddress, ImageProtocol, &XtPageMap);
Status = XtEnablePaging(&PageMap, VirtualAddress, ImageProtocol);
if(Status != STATUS_EFI_SUCCESS)
{
/* Failed to enable paging */
@@ -280,7 +278,7 @@ XtpBootSequence(IN PEFI_FILE_HANDLE BootDir,
*/
XTCDECL
EFI_STATUS
XtpInitializeApicBase(IN PLIST_ENTRY MemoryMappings)
XtpInitializeApicBase(IN PXTBL_PAGE_MAPPING PageMap)
{
PCPUID_REGISTERS CpuRegisters = NULL;
PVOID ApicBaseAddress;
@@ -305,7 +303,7 @@ XtpInitializeApicBase(IN PLIST_ENTRY MemoryMappings)
ApicBaseAddress = (PVOID)((UINT_PTR)ArReadModelSpecificRegister(0x1B) & 0xFFFFF000);
/* Map APIC base address */
XtAddVirtualMemoryMapping(MemoryMappings, (PVOID)APIC_BASE, ApicBaseAddress, 1, LoaderFirmwarePermanent);
XtLdrProtocol->Memory.MapVirtualMemory(PageMap, (PVOID)APIC_BASE, ApicBaseAddress, 1, LoaderFirmwarePermanent);
return STATUS_EFI_SUCCESS;
}
@@ -324,7 +322,7 @@ XtpInitializeApicBase(IN PLIST_ENTRY MemoryMappings)
*/
XTCDECL
EFI_STATUS
XtpInitializeLoaderBlock(IN PLIST_ENTRY MemoryMappings,
XtpInitializeLoaderBlock(IN PXTBL_PAGE_MAPPING PageMap,
IN PVOID *VirtualAddress,
IN PXTBL_BOOT_PARAMETERS Parameters)
{
@@ -369,7 +367,7 @@ XtpInitializeLoaderBlock(IN PLIST_ENTRY MemoryMappings,
/* Store information about FrameBuffer device */
FrameBufProtocol->GetDisplayInformation(&LoaderBlock->LoaderInformation.FrameBuffer);
FrameBufProtocol->PrintDisplayInformation();
// FrameBufProtocol->PrintDisplayInformation();
}
else
{
@@ -400,7 +398,7 @@ XtpInitializeLoaderBlock(IN PLIST_ENTRY MemoryMappings,
RtlCopyMemory(&LoaderBlock->KernelParameters, Parameters->Parameters, RtlWideStringLength(Parameters->Parameters, 0));
/* Map kernel initialization block */
XtAddVirtualMemoryMapping(MemoryMappings, *VirtualAddress, (PVOID)LoaderBlock,
XtLdrProtocol->Memory.MapVirtualMemory(PageMap, *VirtualAddress, (PVOID)LoaderBlock,
BlockPages, LoaderSystemBlock);
/* Calculate next valid virtual address */
@@ -413,7 +411,7 @@ XtpInitializeLoaderBlock(IN PLIST_ENTRY MemoryMappings,
FrameBufferPages = EFI_SIZE_TO_PAGES(LoaderBlock->LoaderInformation.FrameBuffer.BufferSize);
/* Map frame buffer memory */
XtAddVirtualMemoryMapping(MemoryMappings, *VirtualAddress,
XtLdrProtocol->Memory.MapVirtualMemory(PageMap, *VirtualAddress,
LoaderBlock->LoaderInformation.FrameBuffer.Address,
FrameBufferPages, LoaderFirmwarePermanent);