[mirror_edk2.git] / MdePkg / Include / Ipf / IpfMacro.i

//++\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
// Module Name:\r
//  IpfMacro.i\r
//\r
// Abstract:\r
//  Contains the macros needed for calling procedures in Itanium-based assembly code.\r
//\r
//\r
// Revision History:\r
//\r
//--\r
\r
#ifndef  __IA64PROC_I__\r
#define  __IA64PROC_I__\r
\r
\r
#define PROCEDURE_ENTRY(name)   .##text;            \\r
                                .##type name, @function;    \\r
                                .##proc name;           \\r
name::\r
\r
#define PROCEDURE_EXIT(name)    .##endp name\r
\r
// Note: use of NESTED_SETUP requires number of locals (l) >= 3\r
\r
#define NESTED_SETUP(i,l,o,r) \\r
         alloc loc1=ar##.##pfs,i,l,o,r ;\\r
         mov loc0=b0\r
\r
#define NESTED_RETURN \\r
         mov b0=loc0 ;\\r
         mov ar##.##pfs=loc1 ;;\\r
         br##.##ret##.##dpnt  b0;;\r
\r
\r
#define INTERRUPT_HANDLER_BEGIN(name) \\r
PROCEDURE_ENTRY(name##HandlerBegin) \\r
;; \\r
PROCEDURE_EXIT(name##HandlerBegin)\r
\r
#define INTERRUPT_HANDLER_END(name) \\r
PROCEDURE_ENTRY(name##HandlerEnd) \\r
;; \\r
PROCEDURE_EXIT(name##HandlerEnd) \r
\r
\r
#define INTERRUPT_HANDLER_BLOCK_BEGIN \\r
INTERRUPT_HANDLER_BEGIN(First)\r
\r
#define INTERRUPT_HANDLER_BLOCK_END \\r
INTERRUPT_HANDLER_END(Last)\r
\r
\r
\r
#endif\r
Commit	Line	Data
878ddf1f	1	//++\r
	2	// Copyright (c) 2006, Intel Corporation \r
	3	// All rights reserved. This program and the accompanying materials \r
	4	// are licensed and made available under the terms and conditions of the BSD License \r
	5	// which accompanies this distribution. The full text of the license may be found at \r
	6	// http://opensource.org/licenses/bsd-license.php \r
	7	// \r
	8	// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
	9	// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
	10	// \r
	11	// Module Name:\r
	12	// IpfMacro.i\r
	13	//\r
	14	// Abstract:\r
	15	// Contains the macros needed for calling procedures in Itanium-based assembly code.\r
	16	//\r
	17	//\r
	18	// Revision History:\r
	19	//\r
	20	//--\r
	21	\r
	22	#ifndef __IA64PROC_I__\r
	23	#define __IA64PROC_I__\r
	24	\r
	25	\r
	26	#define PROCEDURE_ENTRY(name) .##text; \\r
	27	.##type name, @function; \\r
	28	.##proc name; \\r
	29	name::\r
	30	\r
	31	#define PROCEDURE_EXIT(name) .##endp name\r
	32	\r
	33	// Note: use of NESTED_SETUP requires number of locals (l) >= 3\r
	34	\r
	35	#define NESTED_SETUP(i,l,o,r) \\r
	36	alloc loc1=ar##.##pfs,i,l,o,r ;\\r
	37	mov loc0=b0\r
	38	\r
	39	#define NESTED_RETURN \\r
	40	mov b0=loc0 ;\\r
	41	mov ar##.##pfs=loc1 ;;\\r
	42	br##.##ret##.##dpnt b0;;\r
	43	\r
	44	\r
	45	#define INTERRUPT_HANDLER_BEGIN(name) \\r
	46	PROCEDURE_ENTRY(name##HandlerBegin) \\r
	47	;; \\r
	48	PROCEDURE_EXIT(name##HandlerBegin)\r
	49	\r
	50	#define INTERRUPT_HANDLER_END(name) \\r
	51	PROCEDURE_ENTRY(name##HandlerEnd) \\r
	52	;; \\r
	53	PROCEDURE_EXIT(name##HandlerEnd) \r
	54	\r
	55	\r
	56	#define INTERRUPT_HANDLER_BLOCK_BEGIN \\r
	57	INTERRUPT_HANDLER_BEGIN(First)\r
	58	\r
	59	#define INTERRUPT_HANDLER_BLOCK_END \\r
	60	INTERRUPT_HANDLER_END(Last)\r
	61	\r
	62	\r
	63	\r
	64	#endif\r