diff options
Diffstat (limited to 'OvmfPkg/Library/LoadLinuxLib/Linux.c')
| -rw-r--r-- | OvmfPkg/Library/LoadLinuxLib/Linux.c | 527 |
1 files changed, 266 insertions, 261 deletions
diff --git a/OvmfPkg/Library/LoadLinuxLib/Linux.c b/OvmfPkg/Library/LoadLinuxLib/Linux.c index c5022f6636..ce3d760380 100644 --- a/OvmfPkg/Library/LoadLinuxLib/Linux.c +++ b/OvmfPkg/Library/LoadLinuxLib/Linux.c @@ -8,7 +8,6 @@ #include "LoadLinuxLib.h"
-
/**
A simple check of the kernel setup image
@@ -26,21 +25,20 @@ STATIC EFI_STATUS
EFIAPI
BasicKernelSetupCheck (
- IN VOID *KernelSetup
+ IN VOID *KernelSetup
)
{
- return LoadLinuxCheckKernelSetup(KernelSetup, sizeof (struct boot_params));
+ return LoadLinuxCheckKernelSetup (KernelSetup, sizeof (struct boot_params));
}
-
EFI_STATUS
EFIAPI
LoadLinuxCheckKernelSetup (
- IN VOID *KernelSetup,
- IN UINTN KernelSetupSize
+ IN VOID *KernelSetup,
+ IN UINTN KernelSetupSize
)
{
- struct boot_params *Bp;
+ struct boot_params *Bp;
if (KernelSetup == NULL) {
return EFI_INVALID_PARAMETER;
@@ -50,34 +48,34 @@ LoadLinuxCheckKernelSetup ( return EFI_UNSUPPORTED;
}
- Bp = (struct boot_params*) KernelSetup;
+ Bp = (struct boot_params *)KernelSetup;
if ((Bp->hdr.signature != 0xAA55) || // Check boot sector signature
(Bp->hdr.header != SETUP_HDR) ||
(Bp->hdr.version < 0x205) || // We only support relocatable kernels
(!Bp->hdr.relocatable_kernel)
- ) {
+ )
+ {
return EFI_UNSUPPORTED;
} else {
return EFI_SUCCESS;
}
}
-
UINTN
EFIAPI
LoadLinuxGetKernelSize (
- IN VOID *KernelSetup,
- IN UINTN KernelSize
+ IN VOID *KernelSetup,
+ IN UINTN KernelSize
)
{
- struct boot_params *Bp;
+ struct boot_params *Bp;
if (EFI_ERROR (BasicKernelSetupCheck (KernelSetup))) {
return 0;
}
- Bp = (struct boot_params*) KernelSetup;
+ Bp = (struct boot_params *)KernelSetup;
if (Bp->hdr.version > 0x20a) {
return Bp->hdr.init_size;
@@ -89,25 +87,24 @@ LoadLinuxGetKernelSize ( }
}
-
-VOID*
+VOID *
EFIAPI
LoadLinuxAllocateKernelSetupPages (
- IN UINTN Pages
+ IN UINTN Pages
)
{
- EFI_STATUS Status;
- EFI_PHYSICAL_ADDRESS Address;
+ EFI_STATUS Status;
+ EFI_PHYSICAL_ADDRESS Address;
Address = BASE_1GB;
- Status = gBS->AllocatePages (
- AllocateMaxAddress,
- EfiLoaderData,
- Pages,
- &Address
- );
+ Status = gBS->AllocatePages (
+ AllocateMaxAddress,
+ EfiLoaderData,
+ Pages,
+ &Address
+ );
if (!EFI_ERROR (Status)) {
- return (VOID*)(UINTN) Address;
+ return (VOID *)(UINTN)Address;
} else {
return NULL;
}
@@ -116,19 +113,19 @@ LoadLinuxAllocateKernelSetupPages ( EFI_STATUS
EFIAPI
LoadLinuxInitializeKernelSetup (
- IN VOID *KernelSetup
+ IN VOID *KernelSetup
)
{
- EFI_STATUS Status;
- UINTN SetupEnd;
- struct boot_params *Bp;
+ EFI_STATUS Status;
+ UINTN SetupEnd;
+ struct boot_params *Bp;
Status = BasicKernelSetupCheck (KernelSetup);
if (EFI_ERROR (Status)) {
return Status;
}
- Bp = (struct boot_params*) KernelSetup;
+ Bp = (struct boot_params *)KernelSetup;
SetupEnd = 0x202 + (Bp->hdr.jump & 0xff);
@@ -137,29 +134,32 @@ LoadLinuxInitializeKernelSetup ( //
ZeroMem (KernelSetup, 0x1f1);
ZeroMem (((UINT8 *)KernelSetup) + SetupEnd, 4096 - SetupEnd);
- DEBUG ((DEBUG_INFO, "Cleared kernel setup 0-0x1f1, 0x%Lx-0x1000\n",
- (UINT64)SetupEnd));
+ DEBUG ((
+ DEBUG_INFO,
+ "Cleared kernel setup 0-0x1f1, 0x%Lx-0x1000\n",
+ (UINT64)SetupEnd
+ ));
return EFI_SUCCESS;
}
-VOID*
+VOID *
EFIAPI
LoadLinuxAllocateKernelPages (
- IN VOID *KernelSetup,
- IN UINTN Pages
+ IN VOID *KernelSetup,
+ IN UINTN Pages
)
{
- EFI_STATUS Status;
- EFI_PHYSICAL_ADDRESS KernelAddress;
- UINT32 Loop;
- struct boot_params *Bp;
+ EFI_STATUS Status;
+ EFI_PHYSICAL_ADDRESS KernelAddress;
+ UINT32 Loop;
+ struct boot_params *Bp;
if (EFI_ERROR (BasicKernelSetupCheck (KernelSetup))) {
return NULL;
}
- Bp = (struct boot_params*) KernelSetup;
+ Bp = (struct boot_params *)KernelSetup;
for (Loop = 1; Loop < 512; Loop++) {
KernelAddress = MultU64x32 (
@@ -173,113 +173,110 @@ LoadLinuxAllocateKernelPages ( &KernelAddress
);
if (!EFI_ERROR (Status)) {
- return (VOID*)(UINTN) KernelAddress;
+ return (VOID *)(UINTN)KernelAddress;
}
}
return NULL;
}
-
-VOID*
+VOID *
EFIAPI
LoadLinuxAllocateCommandLinePages (
- IN UINTN Pages
+ IN UINTN Pages
)
{
- EFI_STATUS Status;
- EFI_PHYSICAL_ADDRESS Address;
+ EFI_STATUS Status;
+ EFI_PHYSICAL_ADDRESS Address;
Address = 0xa0000;
- Status = gBS->AllocatePages (
- AllocateMaxAddress,
- EfiLoaderData,
- Pages,
- &Address
- );
+ Status = gBS->AllocatePages (
+ AllocateMaxAddress,
+ EfiLoaderData,
+ Pages,
+ &Address
+ );
if (!EFI_ERROR (Status)) {
- return (VOID*)(UINTN) Address;
+ return (VOID *)(UINTN)Address;
} else {
return NULL;
}
}
-
-VOID*
+VOID *
EFIAPI
LoadLinuxAllocateInitrdPages (
- IN VOID *KernelSetup,
- IN UINTN Pages
+ IN VOID *KernelSetup,
+ IN UINTN Pages
)
{
- EFI_STATUS Status;
- EFI_PHYSICAL_ADDRESS Address;
+ EFI_STATUS Status;
+ EFI_PHYSICAL_ADDRESS Address;
- struct boot_params *Bp;
+ struct boot_params *Bp;
if (EFI_ERROR (BasicKernelSetupCheck (KernelSetup))) {
return NULL;
}
- Bp = (struct boot_params*) KernelSetup;
+ Bp = (struct boot_params *)KernelSetup;
- Address = (EFI_PHYSICAL_ADDRESS)(UINTN) Bp->hdr.ramdisk_max;
- Status = gBS->AllocatePages (
- AllocateMaxAddress,
- EfiLoaderData,
- Pages,
- &Address
- );
+ Address = (EFI_PHYSICAL_ADDRESS)(UINTN)Bp->hdr.ramdisk_max;
+ Status = gBS->AllocatePages (
+ AllocateMaxAddress,
+ EfiLoaderData,
+ Pages,
+ &Address
+ );
if (!EFI_ERROR (Status)) {
- return (VOID*)(UINTN) Address;
+ return (VOID *)(UINTN)Address;
} else {
return NULL;
}
}
-
STATIC
VOID
SetupLinuxMemmap (
- IN OUT struct boot_params *Bp
+ IN OUT struct boot_params *Bp
)
{
- EFI_STATUS Status;
- UINT8 TmpMemoryMap[1];
- UINTN MapKey;
- UINTN DescriptorSize;
- UINT32 DescriptorVersion;
- UINTN MemoryMapSize;
- EFI_MEMORY_DESCRIPTOR *MemoryMap;
- EFI_MEMORY_DESCRIPTOR *MemoryMapPtr;
- UINTN Index;
- struct efi_info *Efi;
- struct e820_entry *LastE820;
- struct e820_entry *E820;
- UINTN E820EntryCount;
- EFI_PHYSICAL_ADDRESS LastEndAddr;
+ EFI_STATUS Status;
+ UINT8 TmpMemoryMap[1];
+ UINTN MapKey;
+ UINTN DescriptorSize;
+ UINT32 DescriptorVersion;
+ UINTN MemoryMapSize;
+ EFI_MEMORY_DESCRIPTOR *MemoryMap;
+ EFI_MEMORY_DESCRIPTOR *MemoryMapPtr;
+ UINTN Index;
+ struct efi_info *Efi;
+ struct e820_entry *LastE820;
+ struct e820_entry *E820;
+ UINTN E820EntryCount;
+ EFI_PHYSICAL_ADDRESS LastEndAddr;
//
// Get System MemoryMapSize
//
MemoryMapSize = sizeof (TmpMemoryMap);
- Status = gBS->GetMemoryMap (
- &MemoryMapSize,
- (EFI_MEMORY_DESCRIPTOR *)TmpMemoryMap,
- &MapKey,
- &DescriptorSize,
- &DescriptorVersion
- );
+ Status = gBS->GetMemoryMap (
+ &MemoryMapSize,
+ (EFI_MEMORY_DESCRIPTOR *)TmpMemoryMap,
+ &MapKey,
+ &DescriptorSize,
+ &DescriptorVersion
+ );
ASSERT (Status == EFI_BUFFER_TOO_SMALL);
//
// Enlarge space here, because we will allocate pool now.
//
MemoryMapSize += EFI_PAGE_SIZE;
- Status = gBS->AllocatePool (
- EfiLoaderData,
- MemoryMapSize,
- (VOID **) &MemoryMap
- );
+ Status = gBS->AllocatePool (
+ EfiLoaderData,
+ MemoryMapSize,
+ (VOID **)&MemoryMap
+ );
ASSERT_EFI_ERROR (Status);
//
@@ -294,70 +291,72 @@ SetupLinuxMemmap ( );
ASSERT_EFI_ERROR (Status);
- LastE820 = NULL;
- E820 = &Bp->e820_map[0];
+ LastE820 = NULL;
+ E820 = &Bp->e820_map[0];
E820EntryCount = 0;
- LastEndAddr = 0;
- MemoryMapPtr = MemoryMap;
+ LastEndAddr = 0;
+ MemoryMapPtr = MemoryMap;
for (Index = 0; Index < (MemoryMapSize / DescriptorSize); Index++) {
- UINTN E820Type = 0;
+ UINTN E820Type = 0;
if (MemoryMap->NumberOfPages == 0) {
continue;
}
- switch(MemoryMap->Type) {
- case EfiReservedMemoryType:
- case EfiRuntimeServicesCode:
- case EfiRuntimeServicesData:
- case EfiMemoryMappedIO:
- case EfiMemoryMappedIOPortSpace:
- case EfiPalCode:
- E820Type = E820_RESERVED;
- break;
-
- case EfiUnusableMemory:
- E820Type = E820_UNUSABLE;
- break;
-
- case EfiACPIReclaimMemory:
- E820Type = E820_ACPI;
- break;
-
- case EfiLoaderCode:
- case EfiLoaderData:
- case EfiBootServicesCode:
- case EfiBootServicesData:
- case EfiConventionalMemory:
- E820Type = E820_RAM;
- break;
-
- case EfiACPIMemoryNVS:
- E820Type = E820_NVS;
- break;
-
- default:
- DEBUG ((
- DEBUG_ERROR,
- "Invalid EFI memory descriptor type (0x%x)!\n",
- MemoryMap->Type
- ));
- continue;
+ switch (MemoryMap->Type) {
+ case EfiReservedMemoryType:
+ case EfiRuntimeServicesCode:
+ case EfiRuntimeServicesData:
+ case EfiMemoryMappedIO:
+ case EfiMemoryMappedIOPortSpace:
+ case EfiPalCode:
+ E820Type = E820_RESERVED;
+ break;
+
+ case EfiUnusableMemory:
+ E820Type = E820_UNUSABLE;
+ break;
+
+ case EfiACPIReclaimMemory:
+ E820Type = E820_ACPI;
+ break;
+
+ case EfiLoaderCode:
+ case EfiLoaderData:
+ case EfiBootServicesCode:
+ case EfiBootServicesData:
+ case EfiConventionalMemory:
+ E820Type = E820_RAM;
+ break;
+
+ case EfiACPIMemoryNVS:
+ E820Type = E820_NVS;
+ break;
+
+ default:
+ DEBUG ((
+ DEBUG_ERROR,
+ "Invalid EFI memory descriptor type (0x%x)!\n",
+ MemoryMap->Type
+ ));
+ continue;
}
if ((LastE820 != NULL) &&
- (LastE820->type == (UINT32) E820Type) &&
- (MemoryMap->PhysicalStart == LastEndAddr)) {
- LastE820->size += EFI_PAGES_TO_SIZE ((UINTN) MemoryMap->NumberOfPages);
- LastEndAddr += EFI_PAGES_TO_SIZE ((UINTN) MemoryMap->NumberOfPages);
+ (LastE820->type == (UINT32)E820Type) &&
+ (MemoryMap->PhysicalStart == LastEndAddr))
+ {
+ LastE820->size += EFI_PAGES_TO_SIZE ((UINTN)MemoryMap->NumberOfPages);
+ LastEndAddr += EFI_PAGES_TO_SIZE ((UINTN)MemoryMap->NumberOfPages);
} else {
if (E820EntryCount >= ARRAY_SIZE (Bp->e820_map)) {
break;
}
- E820->type = (UINT32) E820Type;
- E820->addr = MemoryMap->PhysicalStart;
- E820->size = EFI_PAGES_TO_SIZE ((UINTN) MemoryMap->NumberOfPages);
- LastE820 = E820;
+
+ E820->type = (UINT32)E820Type;
+ E820->addr = MemoryMap->PhysicalStart;
+ E820->size = EFI_PAGES_TO_SIZE ((UINTN)MemoryMap->NumberOfPages);
+ LastE820 = E820;
LastEndAddr = E820->addr + E820->size;
E820++;
E820EntryCount++;
@@ -368,85 +367,83 @@ SetupLinuxMemmap ( //
MemoryMap = (EFI_MEMORY_DESCRIPTOR *)((UINTN)MemoryMap + DescriptorSize);
}
- Bp->e820_entries = (UINT8) E820EntryCount;
- Efi = &Bp->efi_info;
- Efi->efi_systab = (UINT32)(UINTN) gST;
- Efi->efi_memdesc_size = (UINT32) DescriptorSize;
+ Bp->e820_entries = (UINT8)E820EntryCount;
+
+ Efi = &Bp->efi_info;
+ Efi->efi_systab = (UINT32)(UINTN)gST;
+ Efi->efi_memdesc_size = (UINT32)DescriptorSize;
Efi->efi_memdesc_version = DescriptorVersion;
- Efi->efi_memmap = (UINT32)(UINTN) MemoryMapPtr;
- Efi->efi_memmap_size = (UINT32) MemoryMapSize;
-#ifdef MDE_CPU_IA32
+ Efi->efi_memmap = (UINT32)(UINTN)MemoryMapPtr;
+ Efi->efi_memmap_size = (UINT32)MemoryMapSize;
+ #ifdef MDE_CPU_IA32
Efi->efi_loader_signature = SIGNATURE_32 ('E', 'L', '3', '2');
-#else
- Efi->efi_systab_hi = (UINT32) (((UINT64)(UINTN) gST) >> 32);
- Efi->efi_memmap_hi = (UINT32) (((UINT64)(UINTN) MemoryMapPtr) >> 32);
+ #else
+ Efi->efi_systab_hi = (UINT32)(((UINT64)(UINTN)gST) >> 32);
+ Efi->efi_memmap_hi = (UINT32)(((UINT64)(UINTN)MemoryMapPtr) >> 32);
Efi->efi_loader_signature = SIGNATURE_32 ('E', 'L', '6', '4');
-#endif
+ #endif
gBS->ExitBootServices (gImageHandle, MapKey);
}
-
EFI_STATUS
EFIAPI
LoadLinuxSetCommandLine (
- IN OUT VOID *KernelSetup,
- IN CHAR8 *CommandLine
+ IN OUT VOID *KernelSetup,
+ IN CHAR8 *CommandLine
)
{
- EFI_STATUS Status;
- struct boot_params *Bp;
+ EFI_STATUS Status;
+ struct boot_params *Bp;
Status = BasicKernelSetupCheck (KernelSetup);
if (EFI_ERROR (Status)) {
return Status;
}
- Bp = (struct boot_params*) KernelSetup;
+ Bp = (struct boot_params *)KernelSetup;
- Bp->hdr.cmd_line_ptr = (UINT32)(UINTN) CommandLine;
+ Bp->hdr.cmd_line_ptr = (UINT32)(UINTN)CommandLine;
return EFI_SUCCESS;
}
-
EFI_STATUS
EFIAPI
LoadLinuxSetInitrd (
- IN OUT VOID *KernelSetup,
- IN VOID *Initrd,
- IN UINTN InitrdSize
+ IN OUT VOID *KernelSetup,
+ IN VOID *Initrd,
+ IN UINTN InitrdSize
)
{
- EFI_STATUS Status;
- struct boot_params *Bp;
+ EFI_STATUS Status;
+ struct boot_params *Bp;
Status = BasicKernelSetupCheck (KernelSetup);
if (EFI_ERROR (Status)) {
return Status;
}
- Bp = (struct boot_params*) KernelSetup;
+ Bp = (struct boot_params *)KernelSetup;
- Bp->hdr.ramdisk_start = (UINT32)(UINTN) Initrd;
- Bp->hdr.ramdisk_len = (UINT32) InitrdSize;
+ Bp->hdr.ramdisk_start = (UINT32)(UINTN)Initrd;
+ Bp->hdr.ramdisk_len = (UINT32)InitrdSize;
return EFI_SUCCESS;
}
-
STATIC VOID
FindBits (
- unsigned long Mask,
- UINT8 *Pos,
- UINT8 *Size
+ unsigned long Mask,
+ UINT8 *Pos,
+ UINT8 *Size
)
{
- UINT8 First, Len;
+ UINT8 First, Len;
First = 0;
- Len = 0;
+ Len = 0;
if (Mask) {
while (!(Mask & 0x1)) {
@@ -459,23 +456,23 @@ FindBits ( Len++;
}
}
- *Pos = First;
+
+ *Pos = First;
*Size = Len;
}
-
STATIC
EFI_STATUS
SetupGraphicsFromGop (
- struct screen_info *Si,
- EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop
+ struct screen_info *Si,
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop
)
{
- EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
- EFI_STATUS Status;
- UINTN Size;
+ EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
+ EFI_STATUS Status;
+ UINTN Size;
- Status = Gop->QueryMode(Gop, Gop->Mode->Mode, &Size, &Info);
+ Status = Gop->QueryMode (Gop, Gop->Mode->Mode, &Size, &Info);
if (EFI_ERROR (Status)) {
return Status;
}
@@ -485,88 +482,98 @@ SetupGraphicsFromGop ( /* EFI framebuffer */
Si->orig_video_isVGA = 0x70;
- Si->orig_x = 0;
- Si->orig_y = 0;
- Si->orig_video_page = 0;
- Si->orig_video_mode = 0;
- Si->orig_video_cols = 0;
- Si->orig_video_lines = 0;
+ Si->orig_x = 0;
+ Si->orig_y = 0;
+ Si->orig_video_page = 0;
+ Si->orig_video_mode = 0;
+ Si->orig_video_cols = 0;
+ Si->orig_video_lines = 0;
Si->orig_video_ega_bx = 0;
Si->orig_video_points = 0;
- Si->lfb_base = (UINT32) Gop->Mode->FrameBufferBase;
- Si->lfb_size = (UINT32) Gop->Mode->FrameBufferSize;
- Si->lfb_width = (UINT16) Info->HorizontalResolution;
- Si->lfb_height = (UINT16) Info->VerticalResolution;
- Si->pages = 1;
+ Si->lfb_base = (UINT32)Gop->Mode->FrameBufferBase;
+ Si->lfb_size = (UINT32)Gop->Mode->FrameBufferSize;
+ Si->lfb_width = (UINT16)Info->HorizontalResolution;
+ Si->lfb_height = (UINT16)Info->VerticalResolution;
+ Si->pages = 1;
Si->vesapm_seg = 0;
Si->vesapm_off = 0;
if (Info->PixelFormat == PixelRedGreenBlueReserved8BitPerColor) {
- Si->lfb_depth = 32;
- Si->red_size = 8;
- Si->red_pos = 0;
- Si->green_size = 8;
- Si->green_pos = 8;
- Si->blue_size = 8;
- Si->blue_pos = 16;
- Si->rsvd_size = 8;
- Si->rsvd_pos = 24;
- Si->lfb_linelength = (UINT16) (Info->PixelsPerScanLine * 4);
-
+ Si->lfb_depth = 32;
+ Si->red_size = 8;
+ Si->red_pos = 0;
+ Si->green_size = 8;
+ Si->green_pos = 8;
+ Si->blue_size = 8;
+ Si->blue_pos = 16;
+ Si->rsvd_size = 8;
+ Si->rsvd_pos = 24;
+ Si->lfb_linelength = (UINT16)(Info->PixelsPerScanLine * 4);
} else if (Info->PixelFormat == PixelBlueGreenRedReserved8BitPerColor) {
- Si->lfb_depth = 32;
- Si->red_size = 8;
- Si->red_pos = 16;
- Si->green_size = 8;
- Si->green_pos = 8;
- Si->blue_size = 8;
- Si->blue_pos = 0;
- Si->rsvd_size = 8;
- Si->rsvd_pos = 24;
- Si->lfb_linelength = (UINT16) (Info->PixelsPerScanLine * 4);
+ Si->lfb_depth = 32;
+ Si->red_size = 8;
+ Si->red_pos = 16;
+ Si->green_size = 8;
+ Si->green_pos = 8;
+ Si->blue_size = 8;
+ Si->blue_pos = 0;
+ Si->rsvd_size = 8;
+ Si->rsvd_pos = 24;
+ Si->lfb_linelength = (UINT16)(Info->PixelsPerScanLine * 4);
} else if (Info->PixelFormat == PixelBitMask) {
- FindBits(Info->PixelInformation.RedMask,
- &Si->red_pos, &Si->red_size);
- FindBits(Info->PixelInformation.GreenMask,
- &Si->green_pos, &Si->green_size);
- FindBits(Info->PixelInformation.BlueMask,
- &Si->blue_pos, &Si->blue_size);
- FindBits(Info->PixelInformation.ReservedMask,
- &Si->rsvd_pos, &Si->rsvd_size);
+ FindBits (
+ Info->PixelInformation.RedMask,
+ &Si->red_pos,
+ &Si->red_size
+ );
+ FindBits (
+ Info->PixelInformation.GreenMask,
+ &Si->green_pos,
+ &Si->green_size
+ );
+ FindBits (
+ Info->PixelInformation.BlueMask,
+ &Si->blue_pos,
+ &Si->blue_size
+ );
+ FindBits (
+ Info->PixelInformation.ReservedMask,
+ &Si->rsvd_pos,
+ &Si->rsvd_size
+ );
Si->lfb_depth = Si->red_size + Si->green_size +
- Si->blue_size + Si->rsvd_size;
- Si->lfb_linelength = (UINT16) ((Info->PixelsPerScanLine * Si->lfb_depth) / 8);
+ Si->blue_size + Si->rsvd_size;
+ Si->lfb_linelength = (UINT16)((Info->PixelsPerScanLine * Si->lfb_depth) / 8);
} else {
- Si->lfb_depth = 4;
- Si->red_size = 0;
- Si->red_pos = 0;
- Si->green_size = 0;
- Si->green_pos = 0;
- Si->blue_size = 0;
- Si->blue_pos = 0;
- Si->rsvd_size = 0;
- Si->rsvd_pos = 0;
+ Si->lfb_depth = 4;
+ Si->red_size = 0;
+ Si->red_pos = 0;
+ Si->green_size = 0;
+ Si->green_pos = 0;
+ Si->blue_size = 0;
+ Si->blue_pos = 0;
+ Si->rsvd_size = 0;
+ Si->rsvd_pos = 0;
Si->lfb_linelength = Si->lfb_width / 2;
}
return Status;
}
-
STATIC
EFI_STATUS
SetupGraphics (
- IN OUT struct boot_params *Bp
+ IN OUT struct boot_params *Bp
)
{
- EFI_STATUS Status;
- EFI_HANDLE *HandleBuffer;
- UINTN HandleCount;
- UINTN Index;
- EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop;
+ EFI_STATUS Status;
+ EFI_HANDLE *HandleBuffer;
+ UINTN HandleCount;
+ UINTN Index;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop;
- ZeroMem ((VOID*)&Bp->screen_info, sizeof(Bp->screen_info));
+ ZeroMem ((VOID *)&Bp->screen_info, sizeof (Bp->screen_info));
Status = gBS->LocateHandleBuffer (
ByProtocol,
@@ -580,7 +587,7 @@ SetupGraphics ( Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiGraphicsOutputProtocolGuid,
- (VOID*) &Gop
+ (VOID *)&Gop
);
if (EFI_ERROR (Status)) {
continue;
@@ -599,11 +606,10 @@ SetupGraphics ( return EFI_NOT_FOUND;
}
-
STATIC
EFI_STATUS
SetupLinuxBootParams (
- IN OUT struct boot_params *Bp
+ IN OUT struct boot_params *Bp
)
{
SetupGraphics (Bp);
@@ -613,7 +619,6 @@ SetupLinuxBootParams ( return EFI_SUCCESS;
}
-
EFI_STATUS
EFIAPI
LoadLinux (
@@ -621,7 +626,7 @@ LoadLinux ( IN OUT VOID *KernelSetup
)
{
- EFI_STATUS Status;
+ EFI_STATUS Status;
struct boot_params *Bp;
Status = BasicKernelSetupCheck (KernelSetup);
@@ -629,9 +634,9 @@ LoadLinux ( return Status;
}
- Bp = (struct boot_params *) KernelSetup;
+ Bp = (struct boot_params *)KernelSetup;
- if (Bp->hdr.version < 0x205 || !Bp->hdr.relocatable_kernel) {
+ if ((Bp->hdr.version < 0x205) || !Bp->hdr.relocatable_kernel) {
//
// We only support relocatable kernels
//
@@ -640,13 +645,14 @@ LoadLinux ( InitLinuxDescriptorTables ();
- Bp->hdr.code32_start = (UINT32)(UINTN) Kernel;
- if (Bp->hdr.version >= 0x20c && Bp->hdr.handover_offset &&
- (Bp->hdr.xloadflags & (sizeof (UINTN) == 4 ? BIT2 : BIT3))) {
+ Bp->hdr.code32_start = (UINT32)(UINTN)Kernel;
+ if ((Bp->hdr.version >= 0x20c) && Bp->hdr.handover_offset &&
+ (Bp->hdr.xloadflags & ((sizeof (UINTN) == 4) ? BIT2 : BIT3)))
+ {
DEBUG ((DEBUG_INFO, "Jumping to kernel EFI handover point at ofs %x\n", Bp->hdr.handover_offset));
DisableInterrupts ();
- JumpToUefiKernel ((VOID*) gImageHandle, (VOID*) gST, KernelSetup, Kernel);
+ JumpToUefiKernel ((VOID *)gImageHandle, (VOID *)gST, KernelSetup, Kernel);
}
//
@@ -657,8 +663,7 @@ LoadLinux ( DEBUG ((DEBUG_INFO, "Jumping to kernel\n"));
DisableInterrupts ();
SetLinuxDescriptorTables ();
- JumpToKernel (Kernel, (VOID*) KernelSetup);
+ JumpToKernel (Kernel, (VOID *)KernelSetup);
return EFI_SUCCESS;
}
-
|