[mirror_edk2.git] / IntelFrameworkModulePkg / Csm / LegacyBiosDxe / IA32 / InterruptTable.S

## @file\r
#  Interrupt Redirection Template\r
#\r
# Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
#\r
# This program and the accompanying materials\r
# are licensed and made available under the terms and conditions\r
# of the BSD License which accompanies this distribution.  The\r
# 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
ASM_GLOBAL ASM_PFX(InterruptRedirectionTemplate)\r
\r
#----------------------------------------------------------------------------\r
# Procedure:    InterruptRedirectionTemplate: Redirects interrupts 0x68-0x6F \r
#\r
# Input:        None\r
#\r
# Output:       None\r
#\r
# Prototype:    VOID\r
#               InterruptRedirectionTemplate (  \r
#                                VOID\r
#                                );\r
#\r
# Saves:        None\r
#\r
# Modified:     None\r
#\r
# Description:  Contains the code that is copied into low memory (below 640K).\r
#               This code reflects interrupts 0x68-0x6f to interrupts 0x08-0x0f.\r
#               This template must be copied into low memory, and the IDT entries\r
#               0x68-0x6F must be point to the low memory copy of this code.  Each\r
#               entry is 4 bytes long, so IDT entries 0x68-0x6F can be easily \r
#               computed.\r
#\r
#----------------------------------------------------------------------------\r
ASM_PFX(InterruptRedirectionTemplate):\r
  int     $0x8\r
  .byte   0xcf\r
  nop\r
  int     $0x9\r
  .byte   0xcf\r
  nop\r
  int     $0xa\r
  .byte   0xcf\r
  nop\r
  int     $0xb\r
  .byte   0xcf\r
  nop\r
  int     $0xc\r
  .byte   0xcf\r
  nop\r
  int     $0xd\r
  .byte   0xcf\r
  nop\r
  int     $0xe\r
  .byte   0xcf\r
  nop\r
  int     $0xf\r
  .byte   0xcf\r
  nop\r
Commit	Line	Data
bcecde14	1	## @file\r
	2	# Interrupt Redirection Template\r
	3	#\r
	4	# Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
	5	#\r
	6	# This program and the accompanying materials\r
	7	# are licensed and made available under the terms and conditions\r
	8	# of the BSD License which accompanies this distribution. The\r
	9	# full text of the license may be found at\r
	10	# http://opensource.org/licenses/bsd-license.php\r
	11	#\r
	12	# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	13	# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	14	#\r
	15	##\r
	16	\r
	17	ASM_GLOBAL ASM_PFX(InterruptRedirectionTemplate)\r
	18	\r
	19	#----------------------------------------------------------------------------\r
	20	# Procedure: InterruptRedirectionTemplate: Redirects interrupts 0x68-0x6F \r
	21	#\r
	22	# Input: None\r
	23	#\r
	24	# Output: None\r
	25	#\r
	26	# Prototype: VOID\r
	27	# InterruptRedirectionTemplate ( \r
	28	# VOID\r
	29	# );\r
	30	#\r
	31	# Saves: None\r
	32	#\r
	33	# Modified: None\r
	34	#\r
	35	# Description: Contains the code that is copied into low memory (below 640K).\r
	36	# This code reflects interrupts 0x68-0x6f to interrupts 0x08-0x0f.\r
	37	# This template must be copied into low memory, and the IDT entries\r
	38	# 0x68-0x6F must be point to the low memory copy of this code. Each\r
	39	# entry is 4 bytes long, so IDT entries 0x68-0x6F can be easily \r
	40	# computed.\r
	41	#\r
	42	#----------------------------------------------------------------------------\r
	43	ASM_PFX(InterruptRedirectionTemplate):\r
	44	int $0x8\r
	45	.byte 0xcf\r
	46	nop\r
	47	int $0x9\r
	48	.byte 0xcf\r
	49	nop\r
	50	int $0xa\r
	51	.byte 0xcf\r
	52	nop\r
	53	int $0xb\r
	54	.byte 0xcf\r
	55	nop\r
	56	int $0xc\r
	57	.byte 0xcf\r
	58	nop\r
	59	int $0xd\r
	60	.byte 0xcf\r
	61	nop\r
	62	int $0xe\r
	63	.byte 0xcf\r
	64	nop\r
65	int $0xf\r
66	.byte 0xcf\r
67	nop\r