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Rewrite core of the XTLDR boot loader

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Reviewed-on: xt-sys/exectos#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:
Rafal Kupiec
2024-01-09 18:51:04 +01:00
committed by CodingWorkshop Signing Team
parent 44905bb71d
commit 4412d4fc98
63 changed files with 6282 additions and 2371 deletions
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27
xtldr/modules/fb_o/CMakeLists.txt Normal file
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# XT Boot Loader
PROJECT(XTLDR_FB_O)
# Specify include directories
include_directories(
${EXECTOS_SOURCE_DIR}/sdk/xtdk
${XTLDR_FB_O_SOURCE_DIR}/includes)
# Specify list of source code files
list(APPEND XTLDR_FB_O_SOURCE
${XTLDR_FB_O_SOURCE_DIR}/framebuf.c
${XTLDR_FB_O_SOURCE_DIR}/gop.c)
# Link bootloader executable
add_executable(fb_o ${XTLDR_FB_O_SOURCE})
# Add linker libraries
target_link_libraries(fb_o libxtos libxtldr)
# Set proper binary name and install target
set_target_properties(fb_o PROPERTIES SUFFIX .efi)
set_install_target(fb_o efi/boot/xtldr/modules)
# Set module entrypoint and subsystem
set_entrypoint(fb_o "XtLdrModuleMain")
set_linker_map(fb_o TRUE)
set_subsystem(fb_o efi_boot_service_driver)

262
xtldr/modules/fb_o/framebuf.c Normal file
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/**
* 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>
/* PE/COFF_O module information */
XTBL_MODINFO = L"EFI FB (FrameBuffer) support";
/* EFI XT Loader Protocol */
PXTBL_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_HANDLE Handle;
EFI_STATUS Status;
/* Check if framebuffer already initialized */
if(!FrameBufferInfo.Initialized)
{
/* Initialize framebuffer */
XtLdrProtocol->Debug.Print(L"Initializing framebuffer device\n");
FrameBufferInfo.Protocol = NONE;
FrameBufferInfo.Initialized = FALSE;
/* Attempt to open GOP protocol */
Status = XtLdrProtocol->Protocol.Open(&Handle, (PVOID*)&FrameBufferInfo.Adapter.GOP, &GopGuid);
/* Check if Graphics Output Protocol is available */
if(Status == STATUS_EFI_SUCCESS)
{
/* Found GOP */
XtLdrProtocol->Debug.Print(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;
/* Close GOP protocol */
Status = XtLdrProtocol->Protocol.Close(Handle, &GopGuid);
}
else
{
/* GOP is unavailable */
FrameBufferInfo.Adapter.GOP = NULL;
/* Attempt to open UGA protocol */
Status = XtLdrProtocol->Protocol.Open(&Handle, (PVOID*)&FrameBufferInfo.Adapter.UGA, &UgaGuid);
/* Check if Universal Graphics Adapter is available */
if(Status == STATUS_EFI_SUCCESS)
{
/* Found UGA */
XtLdrProtocol->Debug.Print(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->Debug.Print(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;
}
/* Close UGA protocol */
XtLdrProtocol->Protocol.Close(Handle, &UgaGuid);
}
}
/* Make sure framebuffer initialized properly */
if(!FrameBufferInfo.Initialized)
{
/* GOP and UGA unavailable */
XtLdrProtocol->Debug.Print(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 = NULL;
/* Make sure frame buffer is initialized */
if(!FrameBufferInfo.Initialized)
{
/* No FrameBuffer */
XtLdrProtocol->Debug.Print(L"No display adapters initialized, unable to print video information\n");
return;
}
/* Get display driver name */
FbGetDisplayDriver(DriverName);
/* Print video information */
XtLdrProtocol->Debug.Print(L"XTLDR Framebuffer information:\n"
L" FrameBuffer Address: 0x%lx\n"
L" FrameBuffer Size: %lu\n"
L" FrameBuffer Driver: %S\n",
FrameBufferInfo.FrameBufferBase, FrameBufferInfo.FrameBufferSize, DriverName);
XtLdrProtocol->Debug.Print(L" Current Resolution: %dx%dx%d\n"
L" Pixel Format: %u\n"
L" Pixels Per ScanLine: %u\n",
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
XtLdrModuleMain(IN EFI_HANDLE ImageHandle,
IN PEFI_SYSTEM_TABLE SystemTable)
{
EFI_GUID Guid = XT_FRAMEBUFFER_PROTOCOL_GUID;
EFI_STATUS Status;
/* Open the XTLDR protocol */
Status = BlGetXtLdrProtocol(SystemTable, ImageHandle, &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 XtLdrProtocol->Protocol.Install(&XtFramebufferProtocol, &Guid);
}

51
xtldr/modules/fb_o/gop.c Normal file
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/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtldr/modules/fb_o/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;
}

79
xtldr/modules/fb_o/includes/framebuf.h Normal file
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/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtldr/modules/fb_o/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 <xtblapi.h>
typedef VOID (*PXT_FRAMEBUFFER_GET_DISPLAY_DRIVER)(OUT PWCHAR DriverName);
typedef VOID (*PXT_FRAMEBUFFER_GET_DISPLAY_INFORMATION)(OUT PLOADER_GRAPHICS_INFORMATION_BLOCK InformationBlock);
typedef EFI_STATUS (*PXT_FRAMEBUFFER_INITIALIZE)();
typedef VOID (*PXT_FRAMEBUFFER_PRINT_DISPLAY_INFORMATION)();
/* XT framebuffer support protocol */
typedef struct _XT_FRAMEBUFFER_PROTOCOL
{
PXT_FRAMEBUFFER_GET_DISPLAY_DRIVER GetDisplayDriver;
PXT_FRAMEBUFFER_GET_DISPLAY_INFORMATION GetDisplayInformation;
PXT_FRAMEBUFFER_INITIALIZE Initialize;
PXT_FRAMEBUFFER_PRINT_DISPLAY_INFORMATION PrintDisplayInformation;
} XT_FRAMEBUFFER_PROTOCOL, *PXT_FRAMEBUFFER_PROTOCOL;
/* XT framebuffer information structure definition */
typedef struct _XT_FRAMEBUFFER_INFORMATION
{
BOOLEAN Initialized;
EFI_GRAPHICS_PROTOCOL Protocol;
union
{
PEFI_GRAPHICS_OUTPUT_PROTOCOL GOP;
PEFI_UNIVERSAL_GRAPHICS_ADAPTER_PROTOCOL UGA;
} Adapter;
UINT HorizontalResolution;
UINT VerticalResolution;
UINT BitsPerPixel;
UINT BytesPerPixel;
UINT PixelsPerScanLine;
UINT Pitch;
EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
EFI_PHYSICAL_ADDRESS FrameBufferBase;
ULONG_PTR FrameBufferSize;
} XT_FRAMEBUFFER_INFORMATION, *PXT_FRAMEBUFFER_INFORMATION;
/* 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 */