[mirror_edk2.git] / MdePkg / Library / DxeMemoryAllocationLib / MemoryAllocationLibInternals.h

/** @file\r
  Internal include file of DXE Memory Allocation Library.\r
\r
  Copyright (c) 2006, Intel Corporation\r
  All rights reserved. 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
\r
**/\r
\r
#ifndef __DXE_MEMORY_ALLOCATION_LIB_INTERNALS_H__\r
#define __DXE_MEMORY_ALLOCATION_LIB_INTERNALS_H__\r
\r
#include <PiDxe.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/DebugLib.h>\r
\r
\r
/**\r
  Allocates one or more 4KB pages of a certain memory type.\r
\r
  Allocates the number of 4KB pages of a certain memory type and returns a pointer to the allocated\r
  buffer.  The buffer returned is aligned on a 4KB boundary.  If Pages is 0, then NULL is returned.\r
  If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
\r
  @param  MemoryType            The type of memory to allocate.\r
  @param  Pages                 The number of 4 KB pages to allocate.\r
\r
  @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
InternalAllocatePages (\r
  IN EFI_MEMORY_TYPE  MemoryType,  \r
  IN UINTN            Pages\r
  );\r
\r
/**\r
  Allocates one or more 4KB pages of a certain memory type at a specified alignment.\r
\r
  Allocates the number of 4KB pages specified by Pages of a certain memory type with an alignment\r
  specified by Alignment.  The allocated buffer is returned.  If Pages is 0, then NULL is returned.\r
  If there is not enough memory at the specified alignment remaining to satisfy the request, then\r
  NULL is returned.\r
  If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r
\r
  @param  MemoryType            The type of memory to allocate.\r
  @param  Pages                 The number of 4 KB pages to allocate.\r
  @param  Alignment             The requested alignment of the allocation.  Must be a power of two.\r
                                If Alignment is zero, then byte alignment is used.\r
\r
  @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
InternalAllocateAlignedPages (\r
  IN EFI_MEMORY_TYPE  MemoryType,  \r
  IN UINTN            Pages,\r
  IN UINTN            Alignment\r
  );\r
\r
/**\r
  Allocates a buffer of a certain pool type.\r
\r
  Allocates the number bytes specified by AllocationSize of a certain pool type and returns a\r
  pointer to the allocated buffer.  If AllocationSize is 0, then a valid buffer of 0 size is\r
  returned.  If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
\r
  @param  MemoryType            The type of memory to allocate.\r
  @param  AllocationSize        The number of bytes to allocate.\r
\r
  @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
InternalAllocatePool (\r
  IN EFI_MEMORY_TYPE  MemoryType,  \r
  IN UINTN            AllocationSize\r
  );\r
\r
/**\r
  Allocates and zeros a buffer of a certian pool type.\r
\r
  Allocates the number bytes specified by AllocationSize of a certian pool type, clears the buffer\r
  with zeros, and returns a pointer to the allocated buffer.  If AllocationSize is 0, then a valid\r
  buffer of 0 size is returned.  If there is not enough memory remaining to satisfy the request,\r
  then NULL is returned.\r
\r
  @param  PoolType              The type of memory to allocate.\r
  @param  AllocationSize        The number of bytes to allocate and zero.\r
\r
  @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
InternalAllocateZeroPool (\r
  IN EFI_MEMORY_TYPE  PoolType,  \r
  IN UINTN            AllocationSize\r
  );\r
\r
/**\r
  Copies a buffer to an allocated buffer of a certian pool type.\r
\r
  Allocates the number bytes specified by AllocationSize of a certian pool type, copies\r
  AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the\r
  allocated buffer.  If AllocationSize is 0, then a valid buffer of 0 size is returned.  If there\r
  is not enough memory remaining to satisfy the request, then NULL is returned.\r
  If Buffer is NULL, then ASSERT().\r
  If AllocationSize is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT(). \r
\r
  @param  PoolType              The type of pool to allocate.\r
  @param  AllocationSize        The number of bytes to allocate and zero.\r
  @param  Buffer                The buffer to copy to the allocated buffer.\r
\r
  @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
InternalAllocateCopyPool (\r
  IN EFI_MEMORY_TYPE  PoolType,  \r
  IN UINTN            AllocationSize,\r
  IN CONST VOID       *Buffer\r
  );\r
\r
/**\r
  Allocates a buffer of a certain pool type at a specified alignment.\r
\r
  Allocates the number bytes specified by AllocationSize of a certain pool type with an alignment\r
  specified by Alignment.  The allocated buffer is returned.  If AllocationSize is 0, then a valid\r
  buffer of 0 size is returned.  If there is not enough memory at the specified alignment remaining\r
  to satisfy the request, then NULL is returned.\r
  If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r
\r
  @param  PoolType              The type of pool to allocate.\r
  @param  AllocationSize        The number of bytes to allocate.\r
  @param  Alignment             The requested alignment of the allocation.  Must be a power of two.                            If Alignment is zero, then byte alignment is used.\r
                                If Alignment is zero, then byte alignment is used.\r
\r
  @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
InternalAllocateAlignedPool (\r
  IN EFI_MEMORY_TYPE  PoolType,\r
  IN UINTN            AllocationSize,\r
  IN UINTN            Alignment\r
  );\r
\r
/**\r
  Allocates and zeros a buffer of a certain pool type at a specified alignment.\r
\r
  Allocates the number bytes specified by AllocationSize of a certain pool type with an alignment\r
  specified by Alignment, clears the buffer with zeros, and returns a pointer to the allocated\r
  buffer.  If AllocationSize is 0, then a valid buffer of 0 size is returned.  If there is not\r
  enough memory at the specified alignment remaining to satisfy the request, then NULL is returned.\r
  If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r
\r
  @param  PoolType              The type of pool to allocate.\r
  @param  AllocationSize        The number of bytes to allocate.\r
  @param  Alignment             The requested alignment of the allocation.  Must be a power of two.\r
                                If Alignment is zero, then byte alignment is used.\r
\r
  @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
InternalAllocateAlignedZeroPool (\r
  IN EFI_MEMORY_TYPE  PoolType,\r
  IN UINTN            AllocationSize,\r
  IN UINTN            Alignment\r
  );\r
\r
/**\r
  Copies a buffer to an allocated buffer of a certain pool type at a specified alignment.\r
\r
  Allocates the number bytes specified by AllocationSize of a certain pool type with an alignment\r
  specified by Alignment.  The allocated buffer is returned.  If AllocationSize is 0, then a valid\r
  buffer of 0 size is returned.  If there is not enough memory at the specified alignment remaining\r
  to satisfy the request, then NULL is returned.\r
  If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r
\r
  @param  PoolType              The type of pool to allocate.\r
  @param  AllocationSize        The number of bytes to allocate.\r
  @param  Buffer                The buffer to copy to the allocated buffer.\r
  @param  Alignment             The requested alignment of the allocation.  Must be a power of two.\r
                                If Alignment is zero, then byte alignment is used.\r
\r
  @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
InternalAllocateAlignedCopyPool (\r
  IN EFI_MEMORY_TYPE  PoolType,\r
  IN UINTN            AllocationSize,\r
  IN CONST VOID       *Buffer,\r
  IN UINTN            Alignment\r
  );\r
\r
#endif\r
Commit	Line	Data
e386b444	1	/** @file\r
	2	Internal include file of DXE Memory Allocation Library.\r
	3	\r
	4	Copyright (c) 2006, Intel Corporation\r
	5	All rights reserved. This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
e386b444	13	**/\r
	14	\r
	15	#ifndef __DXE_MEMORY_ALLOCATION_LIB_INTERNALS_H__\r
	16	#define __DXE_MEMORY_ALLOCATION_LIB_INTERNALS_H__\r
	17	\r
f734a10a A	18	#include <PiDxe.h>\r
	19	#include <Library/MemoryAllocationLib.h>\r
	20	#include <Library/UefiBootServicesTableLib.h>\r
	21	#include <Library/BaseMemoryLib.h>\r
	22	#include <Library/DebugLib.h>\r
	23	\r
	24	\r
e386b444	25	/**\r
	26	Allocates one or more 4KB pages of a certain memory type.\r
	27	\r
	28	Allocates the number of 4KB pages of a certain memory type and returns a pointer to the allocated\r
	29	buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL is returned.\r
	30	If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
	31	\r
	32	@param MemoryType The type of memory to allocate.\r
	33	@param Pages The number of 4 KB pages to allocate.\r
	34	\r
	35	@return A pointer to the allocated buffer or NULL if allocation fails.\r
	36	\r
	37	**/\r
	38	VOID *\r
	39	InternalAllocatePages (\r
	40	IN EFI_MEMORY_TYPE MemoryType, \r
	41	IN UINTN Pages\r
	42	);\r
	43	\r
	44	/**\r
	45	Allocates one or more 4KB pages of a certain memory type at a specified alignment.\r
	46	\r
	47	Allocates the number of 4KB pages specified by Pages of a certain memory type with an alignment\r
	48	specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is returned.\r
	49	If there is not enough memory at the specified alignment remaining to satisfy the request, then\r
	50	NULL is returned.\r
	51	If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r
	52	\r
	53	@param MemoryType The type of memory to allocate.\r
	54	@param Pages The number of 4 KB pages to allocate.\r
	55	@param Alignment The requested alignment of the allocation. Must be a power of two.\r
	56	If Alignment is zero, then byte alignment is used.\r
	57	\r
	58	@return A pointer to the allocated buffer or NULL if allocation fails.\r
	59	\r
	60	**/\r
	61	VOID *\r
	62	InternalAllocateAlignedPages (\r
	63	IN EFI_MEMORY_TYPE MemoryType, \r
	64	IN UINTN Pages,\r
	65	IN UINTN Alignment\r
	66	);\r
	67	\r
	68	/**\r
	69	Allocates a buffer of a certain pool type.\r
	70	\r
	71	Allocates the number bytes specified by AllocationSize of a certain pool type and returns a\r
	72	pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is\r
	73	returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
	74	\r
	75	@param MemoryType The type of memory to allocate.\r
	76	@param AllocationSize The number of bytes to allocate.\r
	77	\r
	78	@return A pointer to the allocated buffer or NULL if allocation fails.\r
	79	\r
	80	**/\r
	81	VOID *\r
	82	InternalAllocatePool (\r
	83	IN EFI_MEMORY_TYPE MemoryType, \r
	84	IN UINTN AllocationSize\r
	85	);\r
	86	\r
	87	/**\r
	88	Allocates and zeros a buffer of a certian pool type.\r
89	\r
90	Allocates the number bytes specified by AllocationSize of a certian pool type, clears the buffer\r
91	with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a valid\r
92	buffer of 0 size is returned. If there is not enough memory remaining to satisfy the request,\r
93	then NULL is returned.\r
94	\r
95	@param PoolType The type of memory to allocate.\r
96	@param AllocationSize The number of bytes to allocate and zero.\r
97	\r
98	@return A pointer to the allocated buffer or NULL if allocation fails.\r
99	\r
100	**/\r
101	VOID *\r
102	InternalAllocateZeroPool (\r
103	IN EFI_MEMORY_TYPE PoolType, \r
104	IN UINTN AllocationSize\r
105	);\r
106	\r
107	/**\r
108	Copies a buffer to an allocated buffer of a certian pool type.\r
109	\r
110	Allocates the number bytes specified by AllocationSize of a certian pool type, copies\r
111	AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the\r
112	allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there\r
113	is not enough memory remaining to satisfy the request, then NULL is returned.\r
114	If Buffer is NULL, then ASSERT().\r
115	If AllocationSize is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT(). \r
116	\r
117	@param PoolType The type of pool to allocate.\r
118	@param AllocationSize The number of bytes to allocate and zero.\r
119	@param Buffer The buffer to copy to the allocated buffer.\r
120	\r
121	@return A pointer to the allocated buffer or NULL if allocation fails.\r
122	\r
123	**/\r
124	VOID *\r
125	InternalAllocateCopyPool (\r
126	IN EFI_MEMORY_TYPE PoolType, \r
127	IN UINTN AllocationSize,\r
128	IN CONST VOID *Buffer\r
129	);\r
130	\r
131	/**\r
132	Allocates a buffer of a certain pool type at a specified alignment.\r
133	\r
134	Allocates the number bytes specified by AllocationSize of a certain pool type with an alignment\r
135	specified by Alignment. The allocated buffer is returned. If AllocationSize is 0, then a valid\r
136	buffer of 0 size is returned. If there is not enough memory at the specified alignment remaining\r
137	to satisfy the request, then NULL is returned.\r
138	If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r
139	\r
140	@param PoolType The type of pool to allocate.\r
141	@param AllocationSize The number of bytes to allocate.\r
142	@param Alignment The requested alignment of the allocation. Must be a power of two. If Alignment is zero, then byte alignment is used.\r
143	If Alignment is zero, then byte alignment is used.\r
144	\r
145	@return A pointer to the allocated buffer or NULL if allocation fails.\r
146	\r
147	**/\r
148	VOID *\r
149	InternalAllocateAlignedPool (\r
150	IN EFI_MEMORY_TYPE PoolType,\r
151	IN UINTN AllocationSize,\r
152	IN UINTN Alignment\r
153	);\r
154	\r
155	/**\r
156	Allocates and zeros a buffer of a certain pool type at a specified alignment.\r
157	\r
158	Allocates the number bytes specified by AllocationSize of a certain pool type with an alignment\r
159	specified by Alignment, clears the buffer with zeros, and returns a pointer to the allocated\r
160	buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there is not\r
161	enough memory at the specified alignment remaining to satisfy the request, then NULL is returned.\r
162	If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r
163	\r
164	@param PoolType The type of pool to allocate.\r
165	@param AllocationSize The number of bytes to allocate.\r
166	@param Alignment The requested alignment of the allocation. Must be a power of two.\r
167	If Alignment is zero, then byte alignment is used.\r
168	\r
169	@return A pointer to the allocated buffer or NULL if allocation fails.\r
170	\r
171	**/\r
172	VOID *\r
173	InternalAllocateAlignedZeroPool (\r
174	IN EFI_MEMORY_TYPE PoolType,\r
175	IN UINTN AllocationSize,\r
176	IN UINTN Alignment\r
177	);\r
178	\r
179	/**\r
180	Copies a buffer to an allocated buffer of a certain pool type at a specified alignment.\r
181	\r
182	Allocates the number bytes specified by AllocationSize of a certain pool type with an alignment\r
183	specified by Alignment. The allocated buffer is returned. If AllocationSize is 0, then a valid\r
184	buffer of 0 size is returned. If there is not enough memory at the specified alignment remaining\r
185	to satisfy the request, then NULL is returned.\r
186	If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r
187	\r
188	@param PoolType The type of pool to allocate.\r
189	@param AllocationSize The number of bytes to allocate.\r
190	@param Buffer The buffer to copy to the allocated buffer.\r
191	@param Alignment The requested alignment of the allocation. Must be a power of two.\r
192	If Alignment is zero, then byte alignment is used.\r
193	\r
194	@return A pointer to the allocated buffer or NULL if allocation fails.\r
195	\r
196	**/\r
197	VOID *\r
198	InternalAllocateAlignedCopyPool (\r
199	IN EFI_MEMORY_TYPE PoolType,\r
200	IN UINTN AllocationSize,\r
201	IN CONST VOID *Buffer,\r
202	IN UINTN Alignment\r
203	);\r
204	\r
205	#endif\r