[mirror_edk2.git] / EdkCompatibilityPkg / Foundation / Library / RuntimeDxe / EfiRuntimeLib / Io.c

/*++\r
\r
Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.<BR>\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
\r
Module Name:\r
\r
  Io.c\r
\r
Abstract:\r
\r
  Light weight lib functions that wrape IoRead (), IoWrite, MemRead (), \r
  and MemWrite ().\r
\r
--*/\r
\r
#include "Tiano.h"\r
#include "EfiRuntimeLib.h"\r
\r
UINT8\r
IoRead8 (\r
  IN  UINT64    Address\r
  )\r
/*++\r
\r
Routine Description:\r
  Do a one byte IO read\r
\r
Arguments:\r
  Address - IO address to read\r
\r
Returns: \r
  Data read\r
\r
--*/\r
{\r
  UINT8 Buffer;\r
\r
  Buffer = 0;\r
  EfiIoRead (EfiCpuIoWidthUint8, Address, 1, &Buffer);\r
  return Buffer;\r
}\r
\r
UINT16\r
IoRead16 (\r
  IN  UINT64    Address\r
  )\r
/*++\r
\r
Routine Description:\r
  Do a two byte IO read\r
\r
Arguments:\r
  Address - IO address to read\r
\r
Returns: \r
  Data read\r
\r
--*/\r
{\r
  UINT16  Buffer;\r
\r
  Buffer = 0;\r
  EfiIoRead (EfiCpuIoWidthUint16, Address, 1, &Buffer);\r
  return Buffer;\r
}\r
\r
UINT32\r
IoRead32 (\r
  IN  UINT64    Address\r
  )\r
/*++\r
\r
Routine Description:\r
  Do a four byte IO read\r
\r
Arguments:\r
  Address - IO address to read\r
\r
Returns: \r
  Data read\r
\r
--*/\r
{\r
  UINT32  Buffer;\r
\r
  Buffer = 0;\r
  EfiIoRead (EfiCpuIoWidthUint32, Address, 1, &Buffer);\r
  return Buffer;\r
}\r
\r
VOID\r
IoWrite8 (\r
  IN  UINT64    Address,\r
  IN  UINT8     Data\r
  )\r
/*++\r
\r
Routine Description:\r
  Do a one byte IO write\r
\r
Arguments:\r
  Address - IO address to write\r
  Data    - Data to write to Address\r
\r
Returns: \r
  NONE\r
\r
--*/\r
{\r
  EfiIoWrite (EfiCpuIoWidthUint8, Address, 1, &Data);\r
}\r
\r
VOID\r
IoWrite16 (\r
  IN  UINT64    Address,\r
  IN  UINT16    Data\r
  )\r
/*++\r
\r
Routine Description:\r
  Do a two byte IO write\r
\r
Arguments:\r
  Address - IO address to write\r
  Data    - Data to write to Address\r
\r
Returns: \r
  NONE\r
\r
--*/\r
{\r
  EfiIoWrite (EfiCpuIoWidthUint16, Address, 1, &Data);\r
}\r
\r
VOID\r
IoWrite32 (\r
  IN  UINT64    Address,\r
  IN  UINT32    Data\r
  )\r
/*++\r
\r
Routine Description:\r
  Do a four byte IO write\r
\r
Arguments:\r
  Address - IO address to write\r
  Data    - Data to write to Address\r
\r
Returns: \r
  NONE\r
\r
--*/\r
{\r
  EfiIoWrite (EfiCpuIoWidthUint32, Address, 1, &Data);\r
}\r
\r
UINT8\r
MemRead8 (\r
  IN  UINT64    Address\r
  )\r
/*++\r
\r
Routine Description:\r
  Do a one byte Memory mapped IO read\r
\r
Arguments:\r
  Address - Memory mapped IO address to read\r
\r
Returns: \r
  Data read\r
\r
--*/\r
{\r
  UINT8   Buffer;\r
\r
  Buffer = 0;\r
  EfiMemRead (EfiCpuIoWidthUint8, Address, 1, &Buffer);\r
  return Buffer;\r
}\r
\r
UINT16\r
MemRead16 (\r
  IN  UINT64    Address\r
  )\r
/*++\r
\r
Routine Description:\r
  Do a two byte Memory mapped IO read\r
\r
Arguments:\r
  Address - Memory mapped IO address to read\r
\r
Returns: \r
  Data read\r
\r
--*/\r
{\r
  UINT16  Buffer;\r
\r
  Buffer = 0;\r
  EfiMemRead (EfiCpuIoWidthUint16, Address, 1, &Buffer);\r
  return Buffer;\r
}\r
\r
UINT32\r
MemRead32 (\r
  IN  UINT64    Address\r
  )\r
/*++\r
\r
Routine Description:\r
  Do a four byte Memory mapped IO read\r
\r
Arguments:\r
  Address - Memory mapped IO address to read\r
\r
Returns: \r
  Data read\r
\r
--*/\r
{\r
  UINT32  Buffer;\r
\r
  Buffer = 0;\r
  EfiMemRead (EfiCpuIoWidthUint32, Address, 1, &Buffer);\r
  return Buffer;\r
}\r
\r
UINT64\r
MemRead64 (\r
  IN  UINT64    Address\r
  )\r
/*++\r
\r
Routine Description:\r
  Do a eight byte Memory mapped IO read\r
\r
Arguments:\r
  Address - Memory mapped IO address to read\r
\r
Returns: \r
  Data read\r
\r
--*/\r
{\r
  UINT64  Buffer;\r
\r
  Buffer = 0;\r
  EfiMemRead (EfiCpuIoWidthUint64, Address, 1, &Buffer);\r
  return Buffer;\r
}\r
\r
VOID\r
MemWrite8 (\r
  IN  UINT64    Address,\r
  IN  UINT8     Data\r
  )\r
/*++\r
\r
Routine Description:\r
  Do a one byte Memory mapped IO write\r
\r
Arguments:\r
  Address - Memory mapped IO address to write\r
  Data    - Data to write to Address\r
\r
Returns: \r
  NONE\r
\r
--*/\r
{\r
  EfiMemWrite (EfiCpuIoWidthUint8, Address, 1, &Data);\r
}\r
\r
VOID\r
MemWrite16 (\r
  IN  UINT64    Address,\r
  IN  UINT16    Data\r
  )\r
/*++\r
\r
Routine Description:\r
  Do a two byte Memory mapped IO write\r
\r
Arguments:\r
  Address - Memory mapped IO address to write\r
  Data    - Data to write to Address\r
\r
Returns: \r
  NONE\r
\r
--*/\r
{\r
  EfiMemWrite (EfiCpuIoWidthUint16, Address, 1, &Data);\r
}\r
\r
VOID\r
MemWrite32 (\r
  IN  UINT64    Address,\r
  IN  UINT32    Data\r
  )\r
/*++\r
\r
Routine Description:\r
  Do a four byte Memory mapped IO write\r
\r
Arguments:\r
  Address - Memory mapped IO address to write\r
  Data    - Data to write to Address\r
\r
Returns: \r
  NONE\r
\r
--*/\r
{\r
  EfiMemWrite (EfiCpuIoWidthUint32, Address, 1, &Data);\r
}\r
\r
VOID\r
MemWrite64 (\r
  IN  UINT64    Address,\r
  IN  UINT64    Data\r
  )\r
/*++\r
\r
Routine Description:\r
  Do a eight byte Memory mapped IO write\r
\r
Arguments:\r
  Address - Memory mapped IO address to write\r
  Data    - Data to write to Address\r
\r
Returns: \r
  NONE\r
\r
--*/\r
{\r
  EfiMemWrite (EfiCpuIoWidthUint64, Address, 1, &Data);\r
}\r
Commit	Line	Data
3eb9473e	1	/*++\r
3eb9473e	2	\r
0ccabf7b	3	Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.<BR>\r
4ea9375a	4	This program and the accompanying materials \r
3eb9473e	5	are licensed and made available under the terms and conditions of the BSD License \r
	6	which accompanies this distribution. The full text of the license may be found at \r
	7	http://opensource.org/licenses/bsd-license.php \r
	8	\r
	9	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
	10	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
	11	\r
	12	Module Name:\r
	13	\r
	14	Io.c\r
	15	\r
	16	Abstract:\r
	17	\r
	18	Light weight lib functions that wrape IoRead (), IoWrite, MemRead (), \r
	19	and MemWrite ().\r
	20	\r
	21	--*/\r
	22	\r
	23	#include "Tiano.h"\r
	24	#include "EfiRuntimeLib.h"\r
	25	\r
	26	UINT8\r
	27	IoRead8 (\r
	28	IN UINT64 Address\r
	29	)\r
	30	/*++\r
	31	\r
	32	Routine Description:\r
	33	Do a one byte IO read\r
	34	\r
	35	Arguments:\r
	36	Address - IO address to read\r
	37	\r
	38	Returns: \r
	39	Data read\r
	40	\r
	41	--*/\r
	42	{\r
	43	UINT8 Buffer;\r
	44	\r
0ccabf7b	45	Buffer = 0;\r
3eb9473e	46	EfiIoRead (EfiCpuIoWidthUint8, Address, 1, &Buffer);\r
	47	return Buffer;\r
	48	}\r
	49	\r
	50	UINT16\r
	51	IoRead16 (\r
	52	IN UINT64 Address\r
	53	)\r
	54	/*++\r
	55	\r
	56	Routine Description:\r
	57	Do a two byte IO read\r
	58	\r
	59	Arguments:\r
	60	Address - IO address to read\r
	61	\r
	62	Returns: \r
	63	Data read\r
	64	\r
	65	--*/\r
	66	{\r
	67	UINT16 Buffer;\r
	68	\r
0ccabf7b	69	Buffer = 0;\r
3eb9473e	70	EfiIoRead (EfiCpuIoWidthUint16, Address, 1, &Buffer);\r
	71	return Buffer;\r
	72	}\r
	73	\r
	74	UINT32\r
	75	IoRead32 (\r
	76	IN UINT64 Address\r
	77	)\r
	78	/*++\r
	79	\r
	80	Routine Description:\r
	81	Do a four byte IO read\r
	82	\r
	83	Arguments:\r
	84	Address - IO address to read\r
	85	\r
	86	Returns: \r
	87	Data read\r
	88	\r
	89	--*/\r
	90	{\r
	91	UINT32 Buffer;\r
	92	\r
0ccabf7b	93	Buffer = 0;\r
3eb9473e	94	EfiIoRead (EfiCpuIoWidthUint32, Address, 1, &Buffer);\r
	95	return Buffer;\r
	96	}\r
	97	\r
	98	VOID\r
	99	IoWrite8 (\r
	100	IN UINT64 Address,\r
	101	IN UINT8 Data\r
	102	)\r
	103	/*++\r
	104	\r
	105	Routine Description:\r
	106	Do a one byte IO write\r
	107	\r
	108	Arguments:\r
	109	Address - IO address to write\r
	110	Data - Data to write to Address\r
	111	\r
	112	Returns: \r
	113	NONE\r
	114	\r
	115	--*/\r
	116	{\r
	117	EfiIoWrite (EfiCpuIoWidthUint8, Address, 1, &Data);\r
	118	}\r
	119	\r
	120	VOID\r
	121	IoWrite16 (\r
	122	IN UINT64 Address,\r
	123	IN UINT16 Data\r
	124	)\r
	125	/*++\r
	126	\r
	127	Routine Description:\r
	128	Do a two byte IO write\r
	129	\r
	130	Arguments:\r
	131	Address - IO address to write\r
	132	Data - Data to write to Address\r
	133	\r
	134	Returns: \r
	135	NONE\r
	136	\r
	137	--*/\r
	138	{\r
	139	EfiIoWrite (EfiCpuIoWidthUint16, Address, 1, &Data);\r
	140	}\r
	141	\r
	142	VOID\r
	143	IoWrite32 (\r
	144	IN UINT64 Address,\r
	145	IN UINT32 Data\r
	146	)\r
	147	/*++\r
	148	\r
	149	Routine Description:\r
	150	Do a four byte IO write\r
	151	\r
	152	Arguments:\r
	153	Address - IO address to write\r
	154	Data - Data to write to Address\r
	155	\r
	156	Returns: \r
	157	NONE\r
158	\r
159	--*/\r
160	{\r
161	EfiIoWrite (EfiCpuIoWidthUint32, Address, 1, &Data);\r
162	}\r
163	\r
164	UINT8\r
165	MemRead8 (\r
166	IN UINT64 Address\r
167	)\r
168	/*++\r
169	\r
170	Routine Description:\r
171	Do a one byte Memory mapped IO read\r
172	\r
173	Arguments:\r
174	Address - Memory mapped IO address to read\r
175	\r
176	Returns: \r
177	Data read\r
178	\r
179	--*/\r
180	{\r
181	UINT8 Buffer;\r
182	\r
0ccabf7b	183	Buffer = 0;\r
3eb9473e	184	EfiMemRead (EfiCpuIoWidthUint8, Address, 1, &Buffer);\r
	185	return Buffer;\r
	186	}\r
	187	\r
	188	UINT16\r
	189	MemRead16 (\r
	190	IN UINT64 Address\r
	191	)\r
	192	/*++\r
	193	\r
	194	Routine Description:\r
	195	Do a two byte Memory mapped IO read\r
	196	\r
	197	Arguments:\r
	198	Address - Memory mapped IO address to read\r
	199	\r
	200	Returns: \r
	201	Data read\r
	202	\r
	203	--*/\r
	204	{\r
	205	UINT16 Buffer;\r
	206	\r
0ccabf7b	207	Buffer = 0;\r
3eb9473e	208	EfiMemRead (EfiCpuIoWidthUint16, Address, 1, &Buffer);\r
	209	return Buffer;\r
	210	}\r
	211	\r
	212	UINT32\r
	213	MemRead32 (\r
	214	IN UINT64 Address\r
	215	)\r
	216	/*++\r
	217	\r
	218	Routine Description:\r
	219	Do a four byte Memory mapped IO read\r
	220	\r
	221	Arguments:\r
	222	Address - Memory mapped IO address to read\r
	223	\r
	224	Returns: \r
	225	Data read\r
	226	\r
	227	--*/\r
	228	{\r
	229	UINT32 Buffer;\r
	230	\r
0ccabf7b	231	Buffer = 0;\r
3eb9473e	232	EfiMemRead (EfiCpuIoWidthUint32, Address, 1, &Buffer);\r
	233	return Buffer;\r
	234	}\r
	235	\r
	236	UINT64\r
	237	MemRead64 (\r
	238	IN UINT64 Address\r
	239	)\r
	240	/*++\r
	241	\r
	242	Routine Description:\r
	243	Do a eight byte Memory mapped IO read\r
	244	\r
	245	Arguments:\r
	246	Address - Memory mapped IO address to read\r
	247	\r
	248	Returns: \r
	249	Data read\r
	250	\r
	251	--*/\r
	252	{\r
	253	UINT64 Buffer;\r
	254	\r
0ccabf7b	255	Buffer = 0;\r
3eb9473e	256	EfiMemRead (EfiCpuIoWidthUint64, Address, 1, &Buffer);\r
	257	return Buffer;\r
	258	}\r
	259	\r
	260	VOID\r
	261	MemWrite8 (\r
	262	IN UINT64 Address,\r
	263	IN UINT8 Data\r
	264	)\r
	265	/*++\r
	266	\r
	267	Routine Description:\r
	268	Do a one byte Memory mapped IO write\r
	269	\r
	270	Arguments:\r
	271	Address - Memory mapped IO address to write\r
	272	Data - Data to write to Address\r
	273	\r
	274	Returns: \r
	275	NONE\r
	276	\r
	277	--*/\r
	278	{\r
	279	EfiMemWrite (EfiCpuIoWidthUint8, Address, 1, &Data);\r
	280	}\r
	281	\r
	282	VOID\r
	283	MemWrite16 (\r
	284	IN UINT64 Address,\r
	285	IN UINT16 Data\r
	286	)\r
	287	/*++\r
	288	\r
	289	Routine Description:\r
	290	Do a two byte Memory mapped IO write\r
	291	\r
	292	Arguments:\r
	293	Address - Memory mapped IO address to write\r
	294	Data - Data to write to Address\r
	295	\r
	296	Returns: \r
	297	NONE\r
	298	\r
	299	--*/\r
	300	{\r
	301	EfiMemWrite (EfiCpuIoWidthUint16, Address, 1, &Data);\r
	302	}\r
	303	\r
	304	VOID\r
	305	MemWrite32 (\r
	306	IN UINT64 Address,\r
	307	IN UINT32 Data\r
	308	)\r
	309	/*++\r
	310	\r
	311	Routine Description:\r
	312	Do a four byte Memory mapped IO write\r
	313	\r
	314	Arguments:\r
	315	Address - Memory mapped IO address to write\r
	316	Data - Data to write to Address\r
	317	\r
	318	Returns: \r
	319	NONE\r
320	\r
321	--*/\r
322	{\r
323	EfiMemWrite (EfiCpuIoWidthUint32, Address, 1, &Data);\r
324	}\r
325	\r
326	VOID\r
327	MemWrite64 (\r
328	IN UINT64 Address,\r
329	IN UINT64 Data\r
330	)\r
331	/*++\r
332	\r
333	Routine Description:\r
334	Do a eight byte Memory mapped IO write\r
335	\r
336	Arguments:\r
337	Address - Memory mapped IO address to write\r
338	Data - Data to write to Address\r
339	\r
340	Returns: \r
341	NONE\r
342	\r
343	--*/\r
344	{\r
345	EfiMemWrite (EfiCpuIoWidthUint64, Address, 1, &Data);\r
346	}\r