Rewrite core of the XTLDR boot loader
Reviewed-on: #7 Reviewed-by: Piotr Likoski <likoski@noreply.codingworkshop.git> Co-authored-by: Rafal Kupiec <belliash@codingworkshop.eu.org> Co-committed-by: Rafal Kupiec <belliash@codingworkshop.eu.org>
This commit is contained in:
committed by
CodingWorkshop Signing Team
CodingWorkshop Signing Team
parent
44905bb71d
commit
4412d4fc98
@@ -1,28 +0,0 @@
|
||||
# XT Boot Loader
|
||||
PROJECT(XTLDR_FRAMEBUF)
|
||||
|
||||
# Specify include directories
|
||||
include_directories(
|
||||
${EXECTOS_SOURCE_DIR}/sdk/xtdk
|
||||
${XTLDR_SOURCE_DIR}/includes
|
||||
${XTLDR_FRAMEBUF_SOURCE_DIR}/includes)
|
||||
|
||||
# Specify list of source code files
|
||||
list(APPEND XTLDR_FRAMEBUF_SOURCE
|
||||
${XTLDR_SOURCE_DIR}/blproto.c
|
||||
${XTLDR_FRAMEBUF_SOURCE_DIR}/framebuf.c
|
||||
${XTLDR_FRAMEBUF_SOURCE_DIR}/gop.c)
|
||||
|
||||
# Link bootloader executable
|
||||
add_executable(framebuf ${XTLDR_FRAMEBUF_SOURCE})
|
||||
|
||||
# Add linker libraries
|
||||
target_link_libraries(framebuf libxtos)
|
||||
|
||||
# Set proper binary name and install target
|
||||
set_target_properties(framebuf PROPERTIES SUFFIX .efi)
|
||||
set_install_target(framebuf efi/boot/xtldr)
|
||||
|
||||
# Set module entrypoint and subsystem
|
||||
set_entrypoint(framebuf "BlXtLdrModuleMain")
|
||||
set_subsystem(framebuf efi_boot_service_driver)
|
||||
@@ -1,277 +0,0 @@
|
||||
/**
|
||||
* PROJECT: ExectOS
|
||||
* COPYRIGHT: See COPYING.md in the top level directory
|
||||
* FILE: xtldr/modules/framebuf/framebuf.c
|
||||
* DESCRIPTION: Boot loader framebuffer support
|
||||
* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
|
||||
*/
|
||||
|
||||
#include <framebuf.h>
|
||||
|
||||
|
||||
/* EFI Image Handle */
|
||||
EFI_HANDLE EfiImageHandle;
|
||||
|
||||
/* EFI System Table */
|
||||
PEFI_SYSTEM_TABLE EfiSystemTable;
|
||||
|
||||
/* EFI XT Loader Protocol */
|
||||
PXT_BOOT_LOADER_PROTOCOL XtLdrProtocol;
|
||||
|
||||
/* XT FrameBuffer Information */
|
||||
XT_FRAMEBUFFER_INFORMATION FrameBufferInfo;
|
||||
|
||||
/* XT FrameBuffer Protocol */
|
||||
XT_FRAMEBUFFER_PROTOCOL XtFramebufferProtocol;
|
||||
|
||||
/**
|
||||
* Provides a current FrameBuffer driver name.
|
||||
*
|
||||
* @param DriverName
|
||||
* Supplies a pointer to the memory area where FB driver name will be stored.
|
||||
*
|
||||
* @return This routine does not return any value.
|
||||
*
|
||||
* @since XT 1.0
|
||||
*/
|
||||
XTCDECL
|
||||
VOID
|
||||
FbGetDisplayDriver(OUT PWCHAR *DriverName)
|
||||
{
|
||||
switch(FrameBufferInfo.Protocol)
|
||||
{
|
||||
case GOP:
|
||||
*DriverName = L"GOP";
|
||||
break;
|
||||
case UGA:
|
||||
*DriverName = L"UGA";
|
||||
break;
|
||||
default:
|
||||
*DriverName = L"NONE";
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns information about frame buffer in XTOS compatible format.
|
||||
*
|
||||
* @param InformationBlock
|
||||
* A pointer to memory area containing XT structure where all the information will be stored.
|
||||
*
|
||||
* @return This routine does not return any value.
|
||||
*
|
||||
* @since XT 1.0
|
||||
*/
|
||||
XTCDECL
|
||||
VOID
|
||||
FbGetDisplayInformation(OUT PLOADER_GRAPHICS_INFORMATION_BLOCK InformationBlock)
|
||||
{
|
||||
InformationBlock->Initialized = FrameBufferInfo.Initialized;
|
||||
InformationBlock->Protocol = FrameBufferInfo.Protocol;
|
||||
InformationBlock->Address = (PVOID)(ULONG_PTR)FrameBufferInfo.FrameBufferBase;
|
||||
InformationBlock->BufferSize = FrameBufferInfo.FrameBufferSize;
|
||||
InformationBlock->Width = FrameBufferInfo.HorizontalResolution;
|
||||
InformationBlock->Height = FrameBufferInfo.VerticalResolution;
|
||||
InformationBlock->BitsPerPixel = FrameBufferInfo.BitsPerPixel;
|
||||
InformationBlock->PixelsPerScanLine = FrameBufferInfo.PixelsPerScanLine;
|
||||
InformationBlock->Pitch = FrameBufferInfo.Pitch;
|
||||
}
|
||||
|
||||
/**
|
||||
* Initializes FrameBuffer device on GOP and UGA compatible adapters.
|
||||
*
|
||||
* @return This routine returns a status code.
|
||||
*
|
||||
* @since XT 1.0
|
||||
*/
|
||||
XTCDECL
|
||||
EFI_STATUS
|
||||
FbInitializeDisplay()
|
||||
{
|
||||
EFI_GUID GopGuid = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID;
|
||||
EFI_GUID UgaGuid = EFI_UNIVERSAL_GRAPHICS_ADAPTER_PROTOCOL_GUID;
|
||||
UINT32 Parameter1, Parameter2;
|
||||
EFI_STATUS Status;
|
||||
|
||||
/* Check if framebuffer already initialized */
|
||||
if(!FrameBufferInfo.Initialized)
|
||||
{
|
||||
/* Initialize framebuffer */
|
||||
XtLdrProtocol->DbgPrint(L"Initializing framebuffer device\n");
|
||||
FrameBufferInfo.Protocol = NONE;
|
||||
FrameBufferInfo.Initialized = FALSE;
|
||||
|
||||
/* Check if GOP already in use */
|
||||
Status = EfiSystemTable->BootServices->HandleProtocol(EfiSystemTable->ConsoleOutHandle, &GopGuid,
|
||||
(PVOID*)&FrameBufferInfo.Adapter.GOP);
|
||||
if(Status != STATUS_EFI_SUCCESS)
|
||||
{
|
||||
/* Locate GOP protocol */
|
||||
Status = EfiSystemTable->BootServices->LocateProtocol(&GopGuid, NULL, (PVOID *)&FrameBufferInfo.Adapter.GOP);
|
||||
}
|
||||
|
||||
/* Check if Graphics Output Protocol is available */
|
||||
if(Status == STATUS_EFI_SUCCESS)
|
||||
{
|
||||
/* Found GOP */
|
||||
XtLdrProtocol->DbgPrint(L"Found GOP compatible display adapter\n");
|
||||
|
||||
/* Set framebuffer parameters */
|
||||
FrameBufferInfo.HorizontalResolution = FrameBufferInfo.Adapter.GOP->Mode->Info->HorizontalResolution;
|
||||
FrameBufferInfo.VerticalResolution = FrameBufferInfo.Adapter.GOP->Mode->Info->VerticalResolution;
|
||||
FrameBufferInfo.BitsPerPixel = GoppGetBitsPerPixel();
|
||||
FrameBufferInfo.BytesPerPixel = FrameBufferInfo.BitsPerPixel >> 3;
|
||||
FrameBufferInfo.PixelsPerScanLine = FrameBufferInfo.Adapter.GOP->Mode->Info->PixelsPerScanLine;
|
||||
FrameBufferInfo.PixelFormat = FrameBufferInfo.Adapter.GOP->Mode->Info->PixelFormat;
|
||||
FrameBufferInfo.Pitch = FrameBufferInfo.PixelsPerScanLine * (FrameBufferInfo.BitsPerPixel / 8);
|
||||
FrameBufferInfo.FrameBufferBase = FrameBufferInfo.Adapter.GOP->Mode->FrameBufferBase;
|
||||
FrameBufferInfo.FrameBufferSize = FrameBufferInfo.Adapter.GOP->Mode->FrameBufferSize;
|
||||
FrameBufferInfo.Protocol = GOP;
|
||||
FrameBufferInfo.Initialized = TRUE;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* GOP is unavailable */
|
||||
FrameBufferInfo.Adapter.GOP = NULL;
|
||||
|
||||
/* Check if UGA already in use */
|
||||
Status = EfiSystemTable->BootServices->HandleProtocol(EfiSystemTable->ConsoleOutHandle, &UgaGuid,
|
||||
(PVOID*)&FrameBufferInfo.Adapter.UGA);
|
||||
if(Status != STATUS_EFI_SUCCESS)
|
||||
{
|
||||
/* Locate UGA protocol */
|
||||
Status = EfiSystemTable->BootServices->LocateProtocol(&UgaGuid, NULL,
|
||||
(PVOID*)&FrameBufferInfo.Adapter.UGA);
|
||||
}
|
||||
|
||||
/* Check if Universal Graphics Adapter is available */
|
||||
if(Status == STATUS_EFI_SUCCESS)
|
||||
{
|
||||
/* Found UGA */
|
||||
XtLdrProtocol->DbgPrint(L"Found UGA compatible display adapter\n");
|
||||
|
||||
/* Get current mode */
|
||||
Status = FrameBufferInfo.Adapter.UGA->GetMode(FrameBufferInfo.Adapter.UGA,
|
||||
&FrameBufferInfo.HorizontalResolution,
|
||||
&FrameBufferInfo.VerticalResolution,
|
||||
&Parameter1, &Parameter2);
|
||||
if(Status != STATUS_EFI_SUCCESS)
|
||||
{
|
||||
/* Unable to get current UGA mode */
|
||||
XtLdrProtocol->DbgPrint(L"Failed to get current UGA mode (Status code: %lx)\n", Status);
|
||||
FrameBufferInfo.Adapter.UGA = NULL;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Set framebuffer parameters */
|
||||
FrameBufferInfo.BitsPerPixel = 32;
|
||||
FrameBufferInfo.BytesPerPixel = 4;
|
||||
FrameBufferInfo.PixelsPerScanLine = FrameBufferInfo.HorizontalResolution;
|
||||
FrameBufferInfo.PixelFormat = PixelBlueGreenRedReserved8BitPerColor;
|
||||
FrameBufferInfo.Pitch = FrameBufferInfo.PixelsPerScanLine * (FrameBufferInfo.BitsPerPixel / 8);
|
||||
FrameBufferInfo.FrameBufferBase = 0;
|
||||
FrameBufferInfo.FrameBufferSize = FrameBufferInfo.HorizontalResolution *
|
||||
FrameBufferInfo.VerticalResolution *
|
||||
FrameBufferInfo.BytesPerPixel + 1024;
|
||||
FrameBufferInfo.Protocol = UGA;
|
||||
|
||||
/* Temporarily set this to FALSE, as we don't set FB base and we cannot use it anyway */
|
||||
FrameBufferInfo.Initialized = FALSE;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Make sure framebuffer initialized properly */
|
||||
if(!FrameBufferInfo.Initialized)
|
||||
{
|
||||
/* GOP and UGA unavailable */
|
||||
XtLdrProtocol->DbgPrint(L"No display adapter found\n");
|
||||
return STATUS_EFI_NOT_FOUND;
|
||||
}
|
||||
}
|
||||
|
||||
/* Return success */
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints important information about framebuffer.
|
||||
*
|
||||
* @return This routine does not return any value.
|
||||
*
|
||||
* @since XT 1.0
|
||||
*/
|
||||
XTCDECL
|
||||
VOID
|
||||
FbPrintDisplayInformation()
|
||||
{
|
||||
PWCHAR DriverName;
|
||||
|
||||
/* Make sure frame buffer is initialized */
|
||||
if(!FrameBufferInfo.Initialized)
|
||||
{
|
||||
/* No FrameBuffer */
|
||||
XtLdrProtocol->DbgPrint(L"No display adapters initialized, unable to print video information\n");
|
||||
return;
|
||||
}
|
||||
|
||||
/* Get display driver name */
|
||||
FbGetDisplayDriver(&DriverName);
|
||||
|
||||
/* Print video information */
|
||||
XtLdrProtocol->DbgPrint(L"XTLDR Framebuffer information:\n"
|
||||
L" FrameBuffer Address: 0x%lx\n"
|
||||
L" FrameBuffer Size: %lu\n"
|
||||
L" FrameBuffer Driver: %S\n"
|
||||
L" Current Resolution: %ux%ux%u\n"
|
||||
L" Pixel Format: %u\n"
|
||||
L" Pixels Per ScanLine: %u\n",
|
||||
FrameBufferInfo.FrameBufferBase, FrameBufferInfo.FrameBufferSize, DriverName,
|
||||
FrameBufferInfo.HorizontalResolution, FrameBufferInfo.VerticalResolution,
|
||||
FrameBufferInfo.BitsPerPixel, FrameBufferInfo.PixelFormat,
|
||||
FrameBufferInfo.PixelsPerScanLine);
|
||||
}
|
||||
|
||||
/**
|
||||
* This routine is the entry point of the XT EFI boot loader module.
|
||||
*
|
||||
* @param ImageHandle
|
||||
* Firmware-allocated handle that identifies the image.
|
||||
*
|
||||
* @param SystemTable
|
||||
* Provides the EFI system table.
|
||||
*
|
||||
* @return This routine returns status code.
|
||||
*
|
||||
* @since XT 1.0
|
||||
*/
|
||||
XTCDECL
|
||||
EFI_STATUS
|
||||
BlXtLdrModuleMain(IN EFI_HANDLE ImageHandle,
|
||||
IN PEFI_SYSTEM_TABLE SystemTable)
|
||||
{
|
||||
EFI_GUID Guid = XT_FRAMEBUFFER_PROTOCOL_GUID;
|
||||
EFI_HANDLE Handle = NULL;
|
||||
EFI_STATUS Status;
|
||||
|
||||
/* Set the system table and image handle */
|
||||
EfiImageHandle = ImageHandle;
|
||||
EfiSystemTable = SystemTable;
|
||||
|
||||
/* Open the XTLDR protocol */
|
||||
Status = BlGetXtLoaderProtocol(&XtLdrProtocol);
|
||||
if(Status != STATUS_EFI_SUCCESS)
|
||||
{
|
||||
/* Failed to open loader protocol */
|
||||
return STATUS_EFI_PROTOCOL_ERROR;
|
||||
}
|
||||
|
||||
XtFramebufferProtocol.GetDisplayDriver = FbGetDisplayDriver;
|
||||
XtFramebufferProtocol.GetDisplayInformation = FbGetDisplayInformation;
|
||||
XtFramebufferProtocol.Initialize = FbInitializeDisplay;
|
||||
XtFramebufferProtocol.PrintDisplayInformation = FbPrintDisplayInformation;
|
||||
|
||||
/* Register XTOS boot protocol */
|
||||
return EfiSystemTable->BootServices->InstallProtocolInterface(&Handle, &Guid, EFI_NATIVE_INTERFACE,
|
||||
&XtFramebufferProtocol);
|
||||
}
|
||||
@@ -1,51 +0,0 @@
|
||||
/**
|
||||
* PROJECT: ExectOS
|
||||
* COPYRIGHT: See COPYING.md in the top level directory
|
||||
* FILE: xtldr/modules/framebuf/gop.c
|
||||
* DESCRIPTION: Graphical Output Protocol (GOP) support
|
||||
* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
|
||||
*/
|
||||
|
||||
#include <framebuf.h>
|
||||
|
||||
|
||||
/**
|
||||
* Returns a number of bits per pixel (BPP) in the current video mode.
|
||||
*
|
||||
* @return A number of bits per pixel.
|
||||
*
|
||||
* @since XT 1.0
|
||||
*/
|
||||
XTCDECL
|
||||
UINT32
|
||||
GoppGetBitsPerPixel()
|
||||
{
|
||||
UINT32 BitsPerPixel, CompoundMask;
|
||||
|
||||
switch(FrameBufferInfo.Adapter.GOP->Mode->Info->PixelFormat)
|
||||
{
|
||||
case PixelBlueGreenRedReserved8BitPerColor:
|
||||
case PixelRedGreenBlueReserved8BitPerColor:
|
||||
case PixelBltOnly:
|
||||
BitsPerPixel = 32;
|
||||
break;
|
||||
case PixelBitMask:
|
||||
BitsPerPixel = 32;
|
||||
CompoundMask = FrameBufferInfo.Adapter.GOP->Mode->Info->PixelInformation.RedMask |
|
||||
FrameBufferInfo.Adapter.GOP->Mode->Info->PixelInformation.GreenMask |
|
||||
FrameBufferInfo.Adapter.GOP->Mode->Info->PixelInformation.BlueMask |
|
||||
FrameBufferInfo.Adapter.GOP->Mode->Info->PixelInformation.ReservedMask;
|
||||
while((CompoundMask & (1 << 31)) == 0)
|
||||
{
|
||||
BitsPerPixel--;
|
||||
CompoundMask <<= 1;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
BitsPerPixel = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Return bpp */
|
||||
return BitsPerPixel;
|
||||
}
|
||||
@@ -1,44 +0,0 @@
|
||||
/**
|
||||
* PROJECT: ExectOS
|
||||
* COPYRIGHT: See COPYING.md in the top level directory
|
||||
* FILE: xtldr/modules/framebuf/includes/framebuf.h
|
||||
* DESCRIPTION: Framebuffer support module header file
|
||||
* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
|
||||
*/
|
||||
|
||||
#ifndef __XTLDR_MODULES_FRAMEBUF_H
|
||||
#define __XTLDR_MODULES_FRAMEBUF_H
|
||||
|
||||
#include <blmod.h>
|
||||
|
||||
|
||||
/* XT FrameBuffer Information */
|
||||
EXTERN XT_FRAMEBUFFER_INFORMATION FrameBufferInfo;
|
||||
|
||||
/* FrameBuffer support protocol related routines forward references */
|
||||
XTCDECL
|
||||
VOID
|
||||
FbGetDisplayDriver(OUT PWCHAR *DriverName);
|
||||
|
||||
XTCDECL
|
||||
VOID
|
||||
FbGetDisplayInformation(OUT PLOADER_GRAPHICS_INFORMATION_BLOCK InformationBlock);
|
||||
|
||||
XTCDECL
|
||||
EFI_STATUS
|
||||
FbInitializeDisplay();
|
||||
|
||||
XTCDECL
|
||||
VOID
|
||||
FbPrintDisplayInformation();
|
||||
|
||||
XTCDECL
|
||||
UINT32
|
||||
GoppGetBitsPerPixel();
|
||||
|
||||
XTCDECL
|
||||
EFI_STATUS
|
||||
BlXtLdrModuleMain(IN EFI_HANDLE ImageHandle,
|
||||
IN PEFI_SYSTEM_TABLE SystemTable);
|
||||
|
||||
#endif /* __XTLDR_MODULES_FRAMEBUF_H */
|
||||
Reference in New Issue
Block a user