acpi_css.equ

来自「<BIOS研发技术剖析>书的源代码,包括完整的BIOS汇编语言源程序」· EQU 代码 · 共 62 行

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;**                                                             **;
;**      (C)Copyright 1985-1997, American Megatrends, Inc.      **;
;**                                                             **;
;**                     All Rights Reserved.                    **;
;**                                                             **;
;**           6145-F Northbelt Pkwy, Norcross, GA 30071         **;
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; Chipset specific ACPI Equates -- required for chipset porting   ;
; Very important ... these MUST BE SETUP PROPERLY for OS to load  ;
;*****************************************************************;

DID_PM			equ	0009h		; PM Function, PCI Device ID
VID_PM			equ	1039h		; PM Function, PCI Vendor ID
;---------------------------------------;
; set the data to be used for generating sofwtare SMI for Enabling/Disabling ACPI
; these data are used in SMI handler to detect whether this SMI is meant for
; ACPI Enable/Disable or S4BIOS
ACPI_ENABLE		equ	000E1h	; Data to be written to generate Software SMI to enable ACPI
ACPI_DISABLE		equ	0001Eh	; Data to be written to generate Software SMI to disable ACPI
S4BIOS_REQ_VAL		equ	0001Fh	; Data to be written to generate Software SMI to request S4BIOS
;---------------------------------------;
FLUSH_SIZE		equ	1024d	; Define cache flush size (KB)
					; (should be twice the max cache size)
FLUSH_STRIDE		equ	16d	; Define min. cache line size (bytes)
					; (16d is min. size for Pentium)

DUTY_OFFSET		equ	1	; Bit Index for start of throttle enable value
DUTY_WIDTH		equ	3	; Width (in bits) of throttle enable value

;*****************************************************************;
; Define any other chipset-specific equates here		  ;
;*****************************************************************;

;*****************************************************************;

;*****************************************************************;
;*****************************************************************;
;*****************************************************************;
;**                                                             **;
;**      (C)Copyright 1985-1997, American Megatrends, Inc.      **;
;**                                                             **;
;**                     All Rights Reserved.                    **;
;**                                                             **;
;**           6145-F Northbelt Pkwy, Norcross, GA 30071         **;
;**                                                             **;
;**                     Phone [phone]                    **;
;**                                                             **;
;*****************************************************************;
;*****************************************************************;
;*****************************************************************;