You've already forked slimbootloader
mirror of
https://github.com/Dasharo/slimbootloader.git
synced 2026-03-06 15:26:20 -08:00
990e3e81e6
Convert the line endings stored for all text files in the repository to LF. The majority previously used DOS-style CRLF line endings. Add a .gitattributes file to enforce this and treat certain extensions as never being text files. Update PatchCheck.py to insist on LF line endings rather than CRLF. However, its other checks fail on this commit due to lots of pre-existing complaints that it only notices because the line endings have changed. Silicon/QemuSocPkg/FspBin/Patches/0001-Build-QEMU-FSP-2.0-binaries.patch needs to be treated as binary since it contains a mixture of line endings. This change has implications depending on the client platform you are using the repository from: * Windows The usual configuration for Git on Windows means that text files will be checked out to the work tree with DOS-style CRLF line endings. If that's not the case then you can configure Git to do so for the entire machine with: git config --global core.autocrlf true or for just the repository with: git config core.autocrlf true Line endings will be normalised to LF when they are committed to the repository. If you commit a text file with only LF line endings then it will be converted to CRLF line endings in your work tree. * Linux, MacOS and other Unices The usual configuration for Git on such platforms is to check files out of the repository with LF line endings. This is probably the right thing for you. In the unlikely even that you are using Git on Unix but editing or compiling on Windows for some reason then you may need to tweak your configuration to force the use of CRLF line endings as described above. * General For more information see https://docs.github.com/en/get-started/getting-started-with-git/configuring-git-to-handle-line-endings . Fixes: https://github.com/slimbootloader/slimbootloader/issues/1400 Signed-off-by: Mike Crowe <mac@mcrowe.com>
345 lines
9.5 KiB
C
345 lines
9.5 KiB
C
/** @file
|
|
Support routines for memory allocation routines
|
|
based on PeiService for PEI phase drivers.
|
|
|
|
Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
|
|
#include <PiPei.h>
|
|
#include <Library/MemoryAllocationLib.h>
|
|
#include <Library/BaseMemoryLib.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <BootloaderCoreGlobal.h>
|
|
|
|
#define POOL_MIN_ALIGNMENT 0x10
|
|
|
|
/**
|
|
Update the Memory pool top address.
|
|
|
|
@param [in] Top Top address to update.
|
|
**/
|
|
VOID
|
|
InternalUpdateMemPoolTop (
|
|
IN UINT32 Top
|
|
)
|
|
{
|
|
LOADER_GLOBAL_DATA *LdrGlobal;
|
|
UINT32 PoolUsed;
|
|
|
|
LdrGlobal = GetLoaderGlobalDataPointer();
|
|
PoolUsed = (LdrGlobal->MemPoolEnd - Top) +
|
|
(LdrGlobal->MemPoolCurrBottom - LdrGlobal->MemPoolStart);
|
|
if (LdrGlobal->MemPoolMaxUsed < PoolUsed) {
|
|
LdrGlobal->MemPoolMaxUsed = PoolUsed;
|
|
}
|
|
ASSERT (Top >= LdrGlobal->MemPoolCurrBottom);
|
|
LdrGlobal->MemPoolCurrTop = Top;
|
|
}
|
|
|
|
/**
|
|
Update the Memory pool bottom address.
|
|
|
|
@param [in] Bottom bottom address to update.
|
|
**/
|
|
VOID
|
|
InternalUpdateMemPoolBottom (
|
|
IN UINT32 Bottom
|
|
)
|
|
{
|
|
LOADER_GLOBAL_DATA *LdrGlobal;
|
|
UINT32 PoolUsed;
|
|
|
|
LdrGlobal = GetLoaderGlobalDataPointer();
|
|
PoolUsed = (LdrGlobal->MemPoolEnd - LdrGlobal->MemPoolCurrTop) +
|
|
(Bottom - LdrGlobal->MemPoolStart);
|
|
if (LdrGlobal->MemPoolMaxUsed < PoolUsed) {
|
|
LdrGlobal->MemPoolMaxUsed = PoolUsed;
|
|
}
|
|
ASSERT (LdrGlobal->MemPoolCurrTop >= Bottom);
|
|
LdrGlobal->MemPoolCurrBottom = Bottom;
|
|
}
|
|
|
|
/**
|
|
Allocates a buffer of type EfiBootServicesData.
|
|
|
|
Allocates the number bytes specified by AllocationSize of type EfiBootServicesData and returns a
|
|
pointer to the allocated buffer. If AllocationSize is 0, LdrGlobal->MemPoolCurrTop is returned.
|
|
If there is not enough memory remaining to satisfy the request, InternalUpdateMemPoolTop ASSERTS
|
|
and the function does not return.
|
|
|
|
@param AllocationSize The number of bytes to allocate.
|
|
|
|
@return A pointer to the allocated buffer or NULL if allocation fails.
|
|
|
|
**/
|
|
VOID *
|
|
EFIAPI
|
|
AllocatePool (
|
|
IN UINTN AllocationSize
|
|
)
|
|
{
|
|
LOADER_GLOBAL_DATA *LdrGlobal;
|
|
UINT32 Top;
|
|
|
|
LdrGlobal = GetLoaderGlobalDataPointer();
|
|
Top = LdrGlobal->MemPoolCurrTop;
|
|
Top -= (UINT32)AllocationSize;
|
|
Top = ALIGN_DOWN (Top, POOL_MIN_ALIGNMENT);
|
|
InternalUpdateMemPoolTop (Top);
|
|
return (VOID *)(UINTN)Top;
|
|
}
|
|
|
|
/**
|
|
Allocates and zeros a buffer of type EfiBootServicesData.
|
|
|
|
Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, clears the
|
|
buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0,
|
|
LdrGlobal->MemPoolCurrTop is returned. If there is not enough memory remaining to satisfy the
|
|
request, InternalUpdateMemPoolTop ASSERTS and the function does not return.
|
|
|
|
@param AllocationSize The number of bytes to allocate and zero.
|
|
|
|
@return A pointer to the allocated buffer or NULL if allocation fails.
|
|
|
|
**/
|
|
VOID *
|
|
EFIAPI
|
|
AllocateZeroPool (
|
|
IN UINTN AllocationSize
|
|
)
|
|
{
|
|
VOID *Memory;
|
|
|
|
Memory = AllocatePool (AllocationSize);
|
|
if (Memory != NULL) {
|
|
Memory = ZeroMem (Memory, AllocationSize);
|
|
}
|
|
return Memory;
|
|
}
|
|
|
|
/**
|
|
Allocates one or more 4KB pages of type EfiBootServicesData.
|
|
|
|
Allocates the number of 4KB pages of type EfiBootServicesData and returns a pointer to the
|
|
allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then
|
|
NULL is returned. If there is not enough memory remaining to satisfy the request,
|
|
InternalUpdateMemPoolTop ASSERTS and the function does not return.
|
|
|
|
@param Pages The number of 4 KB pages to allocate.
|
|
|
|
@return A pointer to the allocated buffer or NULL if allocation fails.
|
|
|
|
**/
|
|
VOID *
|
|
EFIAPI
|
|
AllocatePages (
|
|
IN UINTN Pages
|
|
)
|
|
{
|
|
LOADER_GLOBAL_DATA *LdrGlobal;
|
|
UINT32 Top;
|
|
|
|
if (Pages == 0) {
|
|
return NULL;
|
|
}
|
|
|
|
LdrGlobal = GetLoaderGlobalDataPointer();
|
|
Top = LdrGlobal->MemPoolCurrTop;
|
|
Top = ALIGN_DOWN (Top, EFI_PAGE_SIZE);
|
|
Top -= (UINT32)(Pages * EFI_PAGE_SIZE);
|
|
InternalUpdateMemPoolTop (Top);
|
|
return (VOID *)(UINTN)Top;
|
|
}
|
|
|
|
/**
|
|
Allocates one or more 4KB pages of type EfiBootServicesData at a specified alignment.
|
|
|
|
Allocates the number of 4KB pages specified by Pages of type EfiBootServicesData with an
|
|
alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then
|
|
NULL is returned. If there is not enough memory remaining to satisfy the request,
|
|
InternalUpdateMemPoolTop ASSERTS and the function does not return.
|
|
|
|
If Alignment is not a power of two and Alignment is not zero, then ASSERT().
|
|
If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT().
|
|
|
|
@param Pages The number of 4 KB pages to allocate.
|
|
@param Alignment The requested alignment of the allocation. Must be a power of two.
|
|
If Alignment is zero, then byte alignment is used.
|
|
|
|
@return A pointer to the allocated buffer or NULL if allocation fails.
|
|
|
|
**/
|
|
VOID *
|
|
EFIAPI
|
|
AllocateAlignedPages (
|
|
IN UINTN Pages,
|
|
IN UINTN Alignment
|
|
)
|
|
{
|
|
LOADER_GLOBAL_DATA *LdrGlobal;
|
|
UINT32 Top;
|
|
|
|
if (Pages == 0) {
|
|
return NULL;
|
|
}
|
|
|
|
LdrGlobal = GetLoaderGlobalDataPointer();
|
|
Top = LdrGlobal->MemPoolCurrTop;
|
|
Top = ALIGN_DOWN (Top, EFI_PAGE_SIZE);
|
|
Top -= (UINT32)(Pages * EFI_PAGE_SIZE);
|
|
if (Alignment > EFI_PAGE_SIZE) {
|
|
Top = ALIGN_DOWN (Top, Alignment);
|
|
}
|
|
Top = ALIGN_DOWN (Top, EFI_PAGE_SIZE);
|
|
InternalUpdateMemPoolTop (Top);
|
|
return (VOID *)(UINTN)Top;
|
|
}
|
|
|
|
/**
|
|
This function allocates temporary memory pool.
|
|
|
|
@param[in] AllocationSize The memory pool size to allocate. If AllocationSize is 0,
|
|
LdrGlobal->MemPoolCurrBottom is returned. If there is not enough memory remaining to satisfy the
|
|
request, InternalUpdateMemPoolBottom ASSERTS and the function does not return.
|
|
|
|
@retval A pointer to the allocated buffer or NULL if allocation fails.
|
|
|
|
**/
|
|
VOID *
|
|
EFIAPI
|
|
AllocateTemporaryMemory (
|
|
IN UINTN AllocationSize
|
|
)
|
|
{
|
|
LOADER_GLOBAL_DATA *LdrGlobal;
|
|
UINT32 Bottom;
|
|
UINT32 NewBottom;
|
|
|
|
LdrGlobal = GetLoaderGlobalDataPointer();
|
|
Bottom = LdrGlobal->MemPoolCurrBottom;
|
|
Bottom = ALIGN_UP (Bottom, POOL_MIN_ALIGNMENT);
|
|
NewBottom = Bottom + (UINT32)AllocationSize;
|
|
InternalUpdateMemPoolBottom (NewBottom);
|
|
return (VOID *)(UINTN)Bottom;
|
|
}
|
|
|
|
/**
|
|
This function frees temporary memory pool.
|
|
|
|
@param[in] Buffer Temporary memory pool to free.
|
|
NULL indicates to free all temporary memory pool previously allocated
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
FreeTemporaryMemory (
|
|
IN VOID *Buffer
|
|
)
|
|
{
|
|
LOADER_GLOBAL_DATA *LdrGlobal;
|
|
UINT32 NewBottom;
|
|
|
|
LdrGlobal = GetLoaderGlobalDataPointer();
|
|
if (Buffer == NULL) {
|
|
LdrGlobal->MemPoolCurrBottom = LdrGlobal->MemPoolStart;
|
|
} else {
|
|
NewBottom = (UINT32)(UINTN)Buffer;
|
|
if (NewBottom < LdrGlobal->MemPoolCurrBottom) {
|
|
InternalUpdateMemPoolBottom (NewBottom);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
Frees one or more 4KB pages that were previously allocated with one of the page allocation
|
|
functions in the Memory Allocation Library.
|
|
|
|
Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer
|
|
must have been allocated on a previous call to the page allocation services of the Memory
|
|
Allocation Library. If it is not possible to free allocated pages, then this function will
|
|
perform no actions.
|
|
|
|
If Buffer was not allocated with a page allocation function in the Memory Allocation Library,
|
|
then ASSERT().
|
|
If Pages is zero, then ASSERT().
|
|
|
|
@param Buffer The pointer to the buffer of pages to free.
|
|
@param Pages The number of 4 KB pages to free.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
FreePages (
|
|
IN VOID *Buffer,
|
|
IN UINTN Pages
|
|
)
|
|
{
|
|
}
|
|
|
|
/**
|
|
Frees a buffer that was previously allocated with one of the pool allocation functions in the
|
|
Memory Allocation Library.
|
|
|
|
Frees the buffer specified by Buffer. Buffer must have been allocated on a previous call to the
|
|
pool allocation services of the Memory Allocation Library. If it is not possible to free pool
|
|
resources, then this function will perform no actions.
|
|
|
|
If Buffer was not allocated with a pool allocation function in the Memory Allocation Library,
|
|
then ASSERT().
|
|
|
|
@param Buffer The pointer to the buffer to free.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
FreePool (
|
|
IN VOID *Buffer
|
|
)
|
|
{
|
|
}
|
|
|
|
/**
|
|
Allocates one or more 4KB pages of type EfiRuntimeServicesData.
|
|
|
|
Allocates the number of 4KB pages of type EfiRuntimeServicesData and returns a pointer to the
|
|
allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL
|
|
is returned. If there is not enough memory remaining to satisfy the request, then NULL is
|
|
returned.
|
|
|
|
@param Pages The number of 4 KB pages to allocate.
|
|
|
|
@return A pointer to the allocated buffer or NULL if allocation fails.
|
|
|
|
**/
|
|
VOID *
|
|
EFIAPI
|
|
AllocateRuntimePages (
|
|
IN UINTN Pages
|
|
)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
Allocates a buffer of type EfiRuntimeServicesData.
|
|
|
|
Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData and returns
|
|
a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is
|
|
returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.
|
|
|
|
@param AllocationSize The number of bytes to allocate.
|
|
|
|
@return A pointer to the allocated buffer or NULL if allocation fails.
|
|
|
|
**/
|
|
VOID *
|
|
EFIAPI
|
|
AllocateRuntimePool (
|
|
IN UINTN AllocationSize
|
|
)
|
|
{
|
|
return NULL;
|
|
}
|