/** @file\r
\r
- Copyright (c) 2011 - 2012, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2011 - 2014, Intel Corporation. All rights reserved.<BR>\r
\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "LoadLinuxLib.h"\r
\r
-\r
/**\r
A simple check of the kernel setup image\r
\r
EFI_STATUS\r
EFIAPI\r
BasicKernelSetupCheck (\r
- IN VOID *KernelSetup\r
+ IN VOID *KernelSetup\r
)\r
{\r
- return LoadLinuxCheckKernelSetup(KernelSetup, sizeof (struct boot_params));\r
+ return LoadLinuxCheckKernelSetup (KernelSetup, sizeof (struct boot_params));\r
}\r
\r
-\r
EFI_STATUS\r
EFIAPI\r
LoadLinuxCheckKernelSetup (\r
- IN VOID *KernelSetup,\r
- IN UINTN KernelSetupSize\r
+ IN VOID *KernelSetup,\r
+ IN UINTN KernelSetupSize\r
)\r
{\r
- struct boot_params *Bp;\r
+ struct boot_params *Bp;\r
\r
if (KernelSetup == NULL) {\r
return EFI_INVALID_PARAMETER;\r
return EFI_UNSUPPORTED;\r
}\r
\r
- Bp = (struct boot_params*) KernelSetup;\r
+ Bp = (struct boot_params *)KernelSetup;\r
\r
if ((Bp->hdr.signature != 0xAA55) || // Check boot sector signature\r
(Bp->hdr.header != SETUP_HDR) ||\r
- (Bp->hdr.version < 0x205) // We only support relocatable kernels\r
- ) {\r
+ (Bp->hdr.version < 0x205) || // We only support relocatable kernels\r
+ (!Bp->hdr.relocatable_kernel)\r
+ )\r
+ {\r
return EFI_UNSUPPORTED;\r
} else {\r
return EFI_SUCCESS;\r
}\r
}\r
\r
-\r
UINTN\r
EFIAPI\r
LoadLinuxGetKernelSize (\r
- IN VOID *KernelSetup,\r
- IN UINTN KernelSize\r
+ IN VOID *KernelSetup,\r
+ IN UINTN KernelSize\r
)\r
{\r
- struct boot_params *Bp;\r
+ struct boot_params *Bp;\r
\r
if (EFI_ERROR (BasicKernelSetupCheck (KernelSetup))) {\r
return 0;\r
}\r
\r
- Bp = (struct boot_params*) KernelSetup;\r
+ Bp = (struct boot_params *)KernelSetup;\r
\r
if (Bp->hdr.version > 0x20a) {\r
return Bp->hdr.init_size;\r
}\r
}\r
\r
-\r
-VOID*\r
+VOID *\r
EFIAPI\r
LoadLinuxAllocateKernelSetupPages (\r
- IN UINTN Pages\r
+ IN UINTN Pages\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_PHYSICAL_ADDRESS Address;\r
+ EFI_STATUS Status;\r
+ EFI_PHYSICAL_ADDRESS Address;\r
\r
Address = BASE_1GB;\r
- Status = gBS->AllocatePages (\r
- AllocateMaxAddress,\r
- EfiLoaderData,\r
- Pages,\r
- &Address\r
- );\r
+ Status = gBS->AllocatePages (\r
+ AllocateMaxAddress,\r
+ EfiLoaderData,\r
+ Pages,\r
+ &Address\r
+ );\r
if (!EFI_ERROR (Status)) {\r
- return (VOID*)(UINTN) Address;\r
+ return (VOID *)(UINTN)Address;\r
} else {\r
return NULL;\r
}\r
}\r
\r
+EFI_STATUS\r
+EFIAPI\r
+LoadLinuxInitializeKernelSetup (\r
+ IN VOID *KernelSetup\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINTN SetupEnd;\r
+ struct boot_params *Bp;\r
+\r
+ Status = BasicKernelSetupCheck (KernelSetup);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ Bp = (struct boot_params *)KernelSetup;\r
\r
-VOID*\r
+ SetupEnd = 0x202 + (Bp->hdr.jump & 0xff);\r
+\r
+ //\r
+ // Clear all but the setup_header\r
+ //\r
+ ZeroMem (KernelSetup, 0x1f1);\r
+ ZeroMem (((UINT8 *)KernelSetup) + SetupEnd, 4096 - SetupEnd);\r
+ DEBUG ((\r
+ DEBUG_INFO,\r
+ "Cleared kernel setup 0-0x1f1, 0x%Lx-0x1000\n",\r
+ (UINT64)SetupEnd\r
+ ));\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+VOID *\r
EFIAPI\r
LoadLinuxAllocateKernelPages (\r
- IN VOID *KernelSetup,\r
- IN UINTN Pages\r
+ IN VOID *KernelSetup,\r
+ IN UINTN Pages\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_PHYSICAL_ADDRESS KernelAddress;\r
- UINT32 Loop;\r
- struct boot_params *Bp;\r
+ EFI_STATUS Status;\r
+ EFI_PHYSICAL_ADDRESS KernelAddress;\r
+ UINT32 Loop;\r
+ struct boot_params *Bp;\r
\r
if (EFI_ERROR (BasicKernelSetupCheck (KernelSetup))) {\r
return NULL;\r
}\r
\r
- Bp = (struct boot_params*) KernelSetup;\r
+ Bp = (struct boot_params *)KernelSetup;\r
\r
for (Loop = 1; Loop < 512; Loop++) {\r
KernelAddress = MultU64x32 (\r
&KernelAddress\r
);\r
if (!EFI_ERROR (Status)) {\r
- return (VOID*)(UINTN) KernelAddress;\r
+ return (VOID *)(UINTN)KernelAddress;\r
}\r
}\r
\r
return NULL;\r
}\r
\r
-\r
-VOID*\r
+VOID *\r
EFIAPI\r
LoadLinuxAllocateCommandLinePages (\r
- IN UINTN Pages\r
+ IN UINTN Pages\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_PHYSICAL_ADDRESS Address;\r
+ EFI_STATUS Status;\r
+ EFI_PHYSICAL_ADDRESS Address;\r
\r
Address = 0xa0000;\r
- Status = gBS->AllocatePages (\r
- AllocateMaxAddress,\r
- EfiLoaderData,\r
- Pages,\r
- &Address\r
- );\r
+ Status = gBS->AllocatePages (\r
+ AllocateMaxAddress,\r
+ EfiLoaderData,\r
+ Pages,\r
+ &Address\r
+ );\r
if (!EFI_ERROR (Status)) {\r
- return (VOID*)(UINTN) Address;\r
+ return (VOID *)(UINTN)Address;\r
} else {\r
return NULL;\r
}\r
}\r
\r
-\r
-VOID*\r
+VOID *\r
EFIAPI\r
LoadLinuxAllocateInitrdPages (\r
- IN VOID *KernelSetup,\r
- IN UINTN Pages\r
+ IN VOID *KernelSetup,\r
+ IN UINTN Pages\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_PHYSICAL_ADDRESS Address;\r
+ EFI_STATUS Status;\r
+ EFI_PHYSICAL_ADDRESS Address;\r
\r
- struct boot_params *Bp;\r
+ struct boot_params *Bp;\r
\r
if (EFI_ERROR (BasicKernelSetupCheck (KernelSetup))) {\r
return NULL;\r
}\r
\r
- Bp = (struct boot_params*) KernelSetup;\r
+ Bp = (struct boot_params *)KernelSetup;\r
\r
- Address = (EFI_PHYSICAL_ADDRESS)(UINTN) Bp->hdr.ramdisk_max;\r
- Status = gBS->AllocatePages (\r
- AllocateMaxAddress,\r
- EfiLoaderData,\r
- Pages,\r
- &Address\r
- );\r
+ Address = (EFI_PHYSICAL_ADDRESS)(UINTN)Bp->hdr.ramdisk_max;\r
+ Status = gBS->AllocatePages (\r
+ AllocateMaxAddress,\r
+ EfiLoaderData,\r
+ Pages,\r
+ &Address\r
+ );\r
if (!EFI_ERROR (Status)) {\r
- return (VOID*)(UINTN) Address;\r
+ return (VOID *)(UINTN)Address;\r
} else {\r
return NULL;\r
}\r
}\r
\r
-\r
STATIC\r
VOID\r
SetupLinuxMemmap (\r
- IN OUT struct boot_params *Bp\r
+ IN OUT struct boot_params *Bp\r
)\r
{\r
- EFI_STATUS Status;\r
- UINT8 TmpMemoryMap[1];\r
- UINTN MapKey;\r
- UINTN DescriptorSize;\r
- UINT32 DescriptorVersion;\r
- UINTN MemoryMapSize;\r
- EFI_MEMORY_DESCRIPTOR *MemoryMap;\r
- EFI_MEMORY_DESCRIPTOR *MemoryMapPtr;\r
- UINTN Index;\r
- struct efi_info *Efi;\r
- struct e820_entry *LastE820;\r
- struct e820_entry *E820;\r
- UINTN E820EntryCount;\r
- EFI_PHYSICAL_ADDRESS LastEndAddr;\r
+ EFI_STATUS Status;\r
+ UINT8 TmpMemoryMap[1];\r
+ UINTN MapKey;\r
+ UINTN DescriptorSize;\r
+ UINT32 DescriptorVersion;\r
+ UINTN MemoryMapSize;\r
+ EFI_MEMORY_DESCRIPTOR *MemoryMap;\r
+ EFI_MEMORY_DESCRIPTOR *MemoryMapPtr;\r
+ UINTN Index;\r
+ struct efi_info *Efi;\r
+ struct e820_entry *LastE820;\r
+ struct e820_entry *E820;\r
+ UINTN E820EntryCount;\r
+ EFI_PHYSICAL_ADDRESS LastEndAddr;\r
\r
//\r
// Get System MemoryMapSize\r
//\r
MemoryMapSize = sizeof (TmpMemoryMap);\r
- Status = gBS->GetMemoryMap (\r
- &MemoryMapSize,\r
- (EFI_MEMORY_DESCRIPTOR *)TmpMemoryMap,\r
- &MapKey,\r
- &DescriptorSize,\r
- &DescriptorVersion\r
- );\r
+ Status = gBS->GetMemoryMap (\r
+ &MemoryMapSize,\r
+ (EFI_MEMORY_DESCRIPTOR *)TmpMemoryMap,\r
+ &MapKey,\r
+ &DescriptorSize,\r
+ &DescriptorVersion\r
+ );\r
ASSERT (Status == EFI_BUFFER_TOO_SMALL);\r
//\r
// Enlarge space here, because we will allocate pool now.\r
//\r
MemoryMapSize += EFI_PAGE_SIZE;\r
- MemoryMap = AllocatePool (MemoryMapSize);\r
- ASSERT (MemoryMap != NULL);\r
+ Status = gBS->AllocatePool (\r
+ EfiLoaderData,\r
+ MemoryMapSize,\r
+ (VOID **)&MemoryMap\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
\r
//\r
// Get System MemoryMap\r
);\r
ASSERT_EFI_ERROR (Status);\r
\r
- LastE820 = NULL;\r
- E820 = &Bp->e820_map[0];\r
+ LastE820 = NULL;\r
+ E820 = &Bp->e820_map[0];\r
E820EntryCount = 0;\r
- LastEndAddr = 0;\r
- MemoryMapPtr = MemoryMap;\r
+ LastEndAddr = 0;\r
+ MemoryMapPtr = MemoryMap;\r
for (Index = 0; Index < (MemoryMapSize / DescriptorSize); Index++) {\r
- UINTN E820Type = 0;\r
+ UINTN E820Type = 0;\r
\r
if (MemoryMap->NumberOfPages == 0) {\r
continue;\r
}\r
\r
- switch(MemoryMap->Type) {\r
- case EfiReservedMemoryType:\r
- case EfiRuntimeServicesCode:\r
- case EfiRuntimeServicesData:\r
- case EfiMemoryMappedIO:\r
- case EfiMemoryMappedIOPortSpace:\r
- case EfiPalCode:\r
- E820Type = E820_RESERVED;\r
- break;\r
-\r
- case EfiUnusableMemory:\r
- E820Type = E820_UNUSABLE;\r
- break;\r
-\r
- case EfiACPIReclaimMemory:\r
- E820Type = E820_ACPI;\r
- break;\r
-\r
- case EfiLoaderCode:\r
- case EfiLoaderData:\r
- case EfiBootServicesCode:\r
- case EfiBootServicesData:\r
- case EfiConventionalMemory:\r
- E820Type = E820_RAM;\r
- break;\r
-\r
- case EfiACPIMemoryNVS:\r
- E820Type = E820_NVS;\r
- break;\r
-\r
- default:\r
- DEBUG ((\r
- EFI_D_ERROR,\r
- "Invalid EFI memory descriptor type (0x%x)!\n",\r
- MemoryMap->Type\r
- ));\r
- continue;\r
+ switch (MemoryMap->Type) {\r
+ case EfiReservedMemoryType:\r
+ case EfiRuntimeServicesCode:\r
+ case EfiRuntimeServicesData:\r
+ case EfiMemoryMappedIO:\r
+ case EfiMemoryMappedIOPortSpace:\r
+ case EfiPalCode:\r
+ E820Type = E820_RESERVED;\r
+ break;\r
+\r
+ case EfiUnusableMemory:\r
+ E820Type = E820_UNUSABLE;\r
+ break;\r
+\r
+ case EfiACPIReclaimMemory:\r
+ E820Type = E820_ACPI;\r
+ break;\r
+\r
+ case EfiLoaderCode:\r
+ case EfiLoaderData:\r
+ case EfiBootServicesCode:\r
+ case EfiBootServicesData:\r
+ case EfiConventionalMemory:\r
+ E820Type = E820_RAM;\r
+ break;\r
+\r
+ case EfiACPIMemoryNVS:\r
+ E820Type = E820_NVS;\r
+ break;\r
+\r
+ default:\r
+ DEBUG ((\r
+ DEBUG_ERROR,\r
+ "Invalid EFI memory descriptor type (0x%x)!\n",\r
+ MemoryMap->Type\r
+ ));\r
+ continue;\r
}\r
\r
if ((LastE820 != NULL) &&\r
- (LastE820->type == (UINT32) E820Type) &&\r
- (MemoryMap->PhysicalStart == LastEndAddr)) {\r
- LastE820->size += EFI_PAGES_TO_SIZE (MemoryMap->NumberOfPages);\r
- LastEndAddr += EFI_PAGES_TO_SIZE (MemoryMap->NumberOfPages);\r
+ (LastE820->type == (UINT32)E820Type) &&\r
+ (MemoryMap->PhysicalStart == LastEndAddr))\r
+ {\r
+ LastE820->size += EFI_PAGES_TO_SIZE ((UINTN)MemoryMap->NumberOfPages);\r
+ LastEndAddr += EFI_PAGES_TO_SIZE ((UINTN)MemoryMap->NumberOfPages);\r
} else {\r
- if (E820EntryCount >= (sizeof (Bp->e820_map) / sizeof (Bp->e820_map[0]))) {\r
+ if (E820EntryCount >= ARRAY_SIZE (Bp->e820_map)) {\r
break;\r
}\r
- E820->type = (UINT32) E820Type;\r
- E820->addr = MemoryMap->PhysicalStart;\r
- E820->size = EFI_PAGES_TO_SIZE (MemoryMap->NumberOfPages);\r
- LastE820 = E820;\r
+\r
+ E820->type = (UINT32)E820Type;\r
+ E820->addr = MemoryMap->PhysicalStart;\r
+ E820->size = EFI_PAGES_TO_SIZE ((UINTN)MemoryMap->NumberOfPages);\r
+ LastE820 = E820;\r
LastEndAddr = E820->addr + E820->size;\r
E820++;\r
E820EntryCount++;\r
//\r
MemoryMap = (EFI_MEMORY_DESCRIPTOR *)((UINTN)MemoryMap + DescriptorSize);\r
}\r
- Bp->e820_entries = (UINT8) E820EntryCount;\r
\r
- Efi = &Bp->efi_info;\r
- Efi->efi_systab = (UINT32)(UINTN) gST;\r
- Efi->efi_memdesc_size = (UINT32) DescriptorSize;\r
+ Bp->e820_entries = (UINT8)E820EntryCount;\r
+\r
+ Efi = &Bp->efi_info;\r
+ Efi->efi_systab = (UINT32)(UINTN)gST;\r
+ Efi->efi_memdesc_size = (UINT32)DescriptorSize;\r
Efi->efi_memdesc_version = DescriptorVersion;\r
- Efi->efi_memmap = (UINT32)(UINTN) MemoryMapPtr;\r
- Efi->efi_memmap_size = (UINT32) MemoryMapSize;\r
-#ifdef MDE_CPU_IA32\r
+ Efi->efi_memmap = (UINT32)(UINTN)MemoryMapPtr;\r
+ Efi->efi_memmap_size = (UINT32)MemoryMapSize;\r
+ #ifdef MDE_CPU_IA32\r
Efi->efi_loader_signature = SIGNATURE_32 ('E', 'L', '3', '2');\r
-#else\r
- Efi->efi_systab_hi = ((UINT64)(UINTN) gST) >> 32;\r
- Efi->efi_memmap_hi = ((UINT64)(UINTN) MemoryMapPtr) >> 32;\r
+ #else\r
+ Efi->efi_systab_hi = (UINT32)(((UINT64)(UINTN)gST) >> 32);\r
+ Efi->efi_memmap_hi = (UINT32)(((UINT64)(UINTN)MemoryMapPtr) >> 32);\r
Efi->efi_loader_signature = SIGNATURE_32 ('E', 'L', '6', '4');\r
-#endif\r
+ #endif\r
\r
gBS->ExitBootServices (gImageHandle, MapKey);\r
}\r
\r
-\r
EFI_STATUS\r
EFIAPI\r
LoadLinuxSetCommandLine (\r
- IN OUT VOID *KernelSetup,\r
- IN CHAR8 *CommandLine\r
+ IN OUT VOID *KernelSetup,\r
+ IN CHAR8 *CommandLine\r
)\r
{\r
- EFI_STATUS Status;\r
- struct boot_params *Bp;\r
+ EFI_STATUS Status;\r
+ struct boot_params *Bp;\r
\r
Status = BasicKernelSetupCheck (KernelSetup);\r
if (EFI_ERROR (Status)) {\r
return Status;\r
}\r
\r
- Bp = (struct boot_params*) KernelSetup;\r
+ Bp = (struct boot_params *)KernelSetup;\r
\r
- Bp->hdr.cmd_line_ptr = (UINT32)(UINTN) CommandLine;\r
+ Bp->hdr.cmd_line_ptr = (UINT32)(UINTN)CommandLine;\r
\r
return EFI_SUCCESS;\r
}\r
\r
-\r
EFI_STATUS\r
EFIAPI\r
LoadLinuxSetInitrd (\r
- IN OUT VOID *KernelSetup,\r
- IN VOID *Initrd,\r
- IN UINTN InitrdSize\r
+ IN OUT VOID *KernelSetup,\r
+ IN VOID *Initrd,\r
+ IN UINTN InitrdSize\r
)\r
{\r
- EFI_STATUS Status;\r
- struct boot_params *Bp;\r
+ EFI_STATUS Status;\r
+ struct boot_params *Bp;\r
\r
Status = BasicKernelSetupCheck (KernelSetup);\r
if (EFI_ERROR (Status)) {\r
return Status;\r
}\r
\r
- Bp = (struct boot_params*) KernelSetup;\r
+ Bp = (struct boot_params *)KernelSetup;\r
\r
- Bp->hdr.ramdisk_start = (UINT32)(UINTN) Initrd;\r
- Bp->hdr.ramdisk_len = (UINT32) InitrdSize;\r
+ Bp->hdr.ramdisk_start = (UINT32)(UINTN)Initrd;\r
+ Bp->hdr.ramdisk_len = (UINT32)InitrdSize;\r
\r
return EFI_SUCCESS;\r
}\r
\r
-\r
STATIC VOID\r
FindBits (\r
- unsigned long Mask,\r
- UINT8 *Pos,\r
- UINT8 *Size\r
+ unsigned long Mask,\r
+ UINT8 *Pos,\r
+ UINT8 *Size\r
)\r
{\r
- UINT8 First, Len;\r
+ UINT8 First, Len;\r
\r
First = 0;\r
- Len = 0;\r
+ Len = 0;\r
\r
if (Mask) {\r
while (!(Mask & 0x1)) {\r
Len++;\r
}\r
}\r
- *Pos = First;\r
+\r
+ *Pos = First;\r
*Size = Len;\r
}\r
\r
-\r
STATIC\r
EFI_STATUS\r
SetupGraphicsFromGop (\r
- struct screen_info *Si,\r
- EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop\r
+ struct screen_info *Si,\r
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop\r
)\r
{\r
- EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;\r
- EFI_STATUS Status;\r
- UINTN Size;\r
+ EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;\r
+ EFI_STATUS Status;\r
+ UINTN Size;\r
\r
- Status = Gop->QueryMode(Gop, Gop->Mode->Mode, &Size, &Info);\r
+ Status = Gop->QueryMode (Gop, Gop->Mode->Mode, &Size, &Info);\r
if (EFI_ERROR (Status)) {\r
return Status;\r
}\r
/* EFI framebuffer */\r
Si->orig_video_isVGA = 0x70;\r
\r
- Si->orig_x = 0;\r
- Si->orig_y = 0;\r
- Si->orig_video_page = 0;\r
- Si->orig_video_mode = 0;\r
- Si->orig_video_cols = 0;\r
- Si->orig_video_lines = 0;\r
+ Si->orig_x = 0;\r
+ Si->orig_y = 0;\r
+ Si->orig_video_page = 0;\r
+ Si->orig_video_mode = 0;\r
+ Si->orig_video_cols = 0;\r
+ Si->orig_video_lines = 0;\r
Si->orig_video_ega_bx = 0;\r
Si->orig_video_points = 0;\r
\r
- Si->lfb_base = (UINT32) Gop->Mode->FrameBufferBase;\r
- Si->lfb_size = (UINT32) Gop->Mode->FrameBufferSize;\r
- Si->lfb_width = (UINT16) Info->HorizontalResolution;\r
- Si->lfb_height = (UINT16) Info->VerticalResolution;\r
- Si->pages = 1;\r
+ Si->lfb_base = (UINT32)Gop->Mode->FrameBufferBase;\r
+ Si->lfb_size = (UINT32)Gop->Mode->FrameBufferSize;\r
+ Si->lfb_width = (UINT16)Info->HorizontalResolution;\r
+ Si->lfb_height = (UINT16)Info->VerticalResolution;\r
+ Si->pages = 1;\r
Si->vesapm_seg = 0;\r
Si->vesapm_off = 0;\r
\r
if (Info->PixelFormat == PixelRedGreenBlueReserved8BitPerColor) {\r
- Si->lfb_depth = 32;\r
- Si->red_size = 8;\r
- Si->red_pos = 0;\r
- Si->green_size = 8;\r
- Si->green_pos = 8;\r
- Si->blue_size = 8;\r
- Si->blue_pos = 16;\r
- Si->rsvd_size = 8;\r
- Si->rsvd_pos = 24;\r
- Si->lfb_linelength = (UINT16) (Info->PixelsPerScanLine * 4);\r
-\r
+ Si->lfb_depth = 32;\r
+ Si->red_size = 8;\r
+ Si->red_pos = 0;\r
+ Si->green_size = 8;\r
+ Si->green_pos = 8;\r
+ Si->blue_size = 8;\r
+ Si->blue_pos = 16;\r
+ Si->rsvd_size = 8;\r
+ Si->rsvd_pos = 24;\r
+ Si->lfb_linelength = (UINT16)(Info->PixelsPerScanLine * 4);\r
} else if (Info->PixelFormat == PixelBlueGreenRedReserved8BitPerColor) {\r
- Si->lfb_depth = 32;\r
- Si->red_size = 8;\r
- Si->red_pos = 16;\r
- Si->green_size = 8;\r
- Si->green_pos = 8;\r
- Si->blue_size = 8;\r
- Si->blue_pos = 0;\r
- Si->rsvd_size = 8;\r
- Si->rsvd_pos = 24;\r
- Si->lfb_linelength = (UINT16) (Info->PixelsPerScanLine * 4);\r
+ Si->lfb_depth = 32;\r
+ Si->red_size = 8;\r
+ Si->red_pos = 16;\r
+ Si->green_size = 8;\r
+ Si->green_pos = 8;\r
+ Si->blue_size = 8;\r
+ Si->blue_pos = 0;\r
+ Si->rsvd_size = 8;\r
+ Si->rsvd_pos = 24;\r
+ Si->lfb_linelength = (UINT16)(Info->PixelsPerScanLine * 4);\r
} else if (Info->PixelFormat == PixelBitMask) {\r
- FindBits(Info->PixelInformation.RedMask,\r
- &Si->red_pos, &Si->red_size);\r
- FindBits(Info->PixelInformation.GreenMask,\r
- &Si->green_pos, &Si->green_size);\r
- FindBits(Info->PixelInformation.BlueMask,\r
- &Si->blue_pos, &Si->blue_size);\r
- FindBits(Info->PixelInformation.ReservedMask,\r
- &Si->rsvd_pos, &Si->rsvd_size);\r
+ FindBits (\r
+ Info->PixelInformation.RedMask,\r
+ &Si->red_pos,\r
+ &Si->red_size\r
+ );\r
+ FindBits (\r
+ Info->PixelInformation.GreenMask,\r
+ &Si->green_pos,\r
+ &Si->green_size\r
+ );\r
+ FindBits (\r
+ Info->PixelInformation.BlueMask,\r
+ &Si->blue_pos,\r
+ &Si->blue_size\r
+ );\r
+ FindBits (\r
+ Info->PixelInformation.ReservedMask,\r
+ &Si->rsvd_pos,\r
+ &Si->rsvd_size\r
+ );\r
Si->lfb_depth = Si->red_size + Si->green_size +\r
- Si->blue_size + Si->rsvd_size;\r
- Si->lfb_linelength = (UINT16) ((Info->PixelsPerScanLine * Si->lfb_depth) / 8);\r
+ Si->blue_size + Si->rsvd_size;\r
+ Si->lfb_linelength = (UINT16)((Info->PixelsPerScanLine * Si->lfb_depth) / 8);\r
} else {\r
- Si->lfb_depth = 4;\r
- Si->red_size = 0;\r
- Si->red_pos = 0;\r
- Si->green_size = 0;\r
- Si->green_pos = 0;\r
- Si->blue_size = 0;\r
- Si->blue_pos = 0;\r
- Si->rsvd_size = 0;\r
- Si->rsvd_pos = 0;\r
+ Si->lfb_depth = 4;\r
+ Si->red_size = 0;\r
+ Si->red_pos = 0;\r
+ Si->green_size = 0;\r
+ Si->green_pos = 0;\r
+ Si->blue_size = 0;\r
+ Si->blue_pos = 0;\r
+ Si->rsvd_size = 0;\r
+ Si->rsvd_pos = 0;\r
Si->lfb_linelength = Si->lfb_width / 2;\r
}\r
\r
return Status;\r
}\r
\r
-\r
STATIC\r
EFI_STATUS\r
SetupGraphics (\r
- IN OUT struct boot_params *Bp\r
+ IN OUT struct boot_params *Bp\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_HANDLE *HandleBuffer;\r
- UINTN HandleCount;\r
- UINTN Index;\r
- EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop;\r
+ EFI_STATUS Status;\r
+ EFI_HANDLE *HandleBuffer;\r
+ UINTN HandleCount;\r
+ UINTN Index;\r
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop;\r
\r
- ZeroMem ((VOID*)&Bp->screen_info, sizeof(Bp->screen_info));\r
+ ZeroMem ((VOID *)&Bp->screen_info, sizeof (Bp->screen_info));\r
\r
Status = gBS->LocateHandleBuffer (\r
ByProtocol,\r
Status = gBS->HandleProtocol (\r
HandleBuffer[Index],\r
&gEfiGraphicsOutputProtocolGuid,\r
- (VOID*) &Gop\r
+ (VOID *)&Gop\r
);\r
if (EFI_ERROR (Status)) {\r
continue;\r
return EFI_NOT_FOUND;\r
}\r
\r
-\r
STATIC\r
EFI_STATUS\r
SetupLinuxBootParams (\r
- IN VOID *Kernel,\r
- IN OUT struct boot_params *Bp\r
+ IN OUT struct boot_params *Bp\r
)\r
{\r
SetupGraphics (Bp);\r
\r
- Bp->hdr.code32_start = (UINT32)(UINTN) Kernel;\r
-\r
SetupLinuxMemmap (Bp);\r
\r
return EFI_SUCCESS;\r
}\r
\r
-\r
EFI_STATUS\r
EFIAPI\r
LoadLinux (\r
IN OUT VOID *KernelSetup\r
)\r
{\r
- EFI_STATUS Status;\r
+ EFI_STATUS Status;\r
struct boot_params *Bp;\r
\r
Status = BasicKernelSetupCheck (KernelSetup);\r
return Status;\r
}\r
\r
- Bp = (struct boot_params *) KernelSetup;\r
+ Bp = (struct boot_params *)KernelSetup;\r
\r
- if (Bp->hdr.version < 0x205) {\r
+ if ((Bp->hdr.version < 0x205) || !Bp->hdr.relocatable_kernel) {\r
//\r
// We only support relocatable kernels\r
//\r
\r
InitLinuxDescriptorTables ();\r
\r
- SetupLinuxBootParams (Kernel, (struct boot_params*) KernelSetup);\r
+ Bp->hdr.code32_start = (UINT32)(UINTN)Kernel;\r
+ if ((Bp->hdr.version >= 0x20c) && Bp->hdr.handover_offset &&\r
+ (Bp->hdr.xloadflags & ((sizeof (UINTN) == 4) ? BIT2 : BIT3)))\r
+ {\r
+ DEBUG ((DEBUG_INFO, "Jumping to kernel EFI handover point at ofs %x\n", Bp->hdr.handover_offset));\r
+\r
+ DisableInterrupts ();\r
+ JumpToUefiKernel ((VOID *)gImageHandle, (VOID *)gST, KernelSetup, Kernel);\r
+ }\r
\r
- DEBUG ((EFI_D_INFO, "Jumping to kernel\n"));\r
+ //\r
+ // Old kernels without EFI handover protocol\r
+ //\r
+ SetupLinuxBootParams (KernelSetup);\r
+\r
+ DEBUG ((DEBUG_INFO, "Jumping to kernel\n"));\r
DisableInterrupts ();\r
SetLinuxDescriptorTables ();\r
- JumpToKernel (Kernel, (VOID*) KernelSetup);\r
+ JumpToKernel (Kernel, (VOID *)KernelSetup);\r
\r
return EFI_SUCCESS;\r
}\r
-\r
projects / mirror_edk2.git / blobdiff