CN101782876B - Method for executing option read-only memory image - Google Patents

Method for executing option read-only memory image Download PDF

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CN101782876B
CN101782876B CN 200910006507 CN200910006507A CN101782876B CN 101782876 B CN101782876 B CN 101782876B CN 200910006507 CN200910006507 CN 200910006507 CN 200910006507 A CN200910006507 A CN 200910006507A CN 101782876 B CN101782876 B CN 101782876B
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memory
image file
read
address
peripheral device
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CN 200910006507
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CN101782876A (en )
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卢义村
吴明城
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英业达股份有限公司
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Abstract

The invention relates to a method for executing an option read-only memory (OPROM) image, comprising the following steps: reading an OPROM image used for driving a peripheral device from a memory element of the peripheral device; loading the OPROM image to an internal memory; recording a load address in the internal memory to which the OPROM image is loaded; obtaining a relocation table from the OPROM image; executing an address updating program of the OPROM image to update at least a far call segment address in the OPROM image according to the load address and the relocation table; and executing the updated OPROM image to drive the peripheral device.

Description

选择只读存储器映像文件执行方法 The method of performing a read only memory select an image file

技术领域 FIELD

[0001] 本发明是有关于一种文件执行方法,且特别是有关于一种选择只读存储器映像文件的执行方法。 [0001] The present invention relates to a file executing method, and more particularly to a method of performing read-only memory to select the image file.

背景技术 Background technique

[0002] 选择只读存储器(Option R0M,0PR0M)映像文件(image)是在计算机开始启动时, 由基本输入/输出系统(Basic Input/Output System,BIOS)进行读取,以与计算机中的其它装置取得联系的关键。 [0002] selecting a read only memory (Option R0M, 0PR0M) image file (image) when the computer is started, is read by the basic input / output system (Basic Input / Output System, BIOS), with the other computer the key means to get in touch. 在不同的选择只读存储器中包含着不同装置的韧体,以对各装置进行联系。 It contains different devices in different firmware option-ROMs in order to contact the respective devices.

[0003] 由于选择只读存储器是属于16位的作业环境,其作业空间的大小为2的16次方个位,即65536位,即64K的长度。 [0003] Since the selection is part of a read only memory 16 of the operating environment, its operational size of the space is 16 bits power of 2, i.e. 65 536, i.e. the length of 64K. 由于程序的功能中的变量值多是存放在堆栈中,但受限于作业环境的大小,在此种64K环境作业中的程序所存取的数据结构亦多限制在64K以内, 以避免因重复堆栈的关系,而导致计算错误,使得我们无法取得堆栈中结构的正确位置。 Since the function of the program variable value is located in the stack, but limited by the size of the operating environment, the program in such a 64K environment, job accessed data structure resembles limited to less than 64K, in order to avoid repetition stack relations, which led to calculation errors that we can not get the correct position of the stack structure.

[0004] 但是,随着计算机功能日益强大,用来控制计算机上各装置用的选择只读存储器也随着越来越复杂,以提供更强大的功能。 [0004] However, as computers become more powerful, a read only memory for controlling the selection of each device on the computer along with the more complex, in order to provide greater functionality. 因此,造成选择只读存储器的文件大小无可避免的会超出64K的限制。 Therefore, the resulting file size option-ROMs inevitably exceed the 64K limit.

发明内容 SUMMARY

[0005] 因此本发明的一目的为提供一种选择只读存储器映像文件执行方法,通过将重新定位表以及地址更新程序储存于选择只读存储器映像文件中,使得选择只读存储器映像文件在执行前,先利用地址更新程序根据重新定位表,更新选择只读存储器映像文件中至少一远呼叫区段地址。 [0005] Accordingly one object of the present invention is to provide a method of performing a read only memory image file selected by the relocation table and updates the address stored in the read only memory to select the image file, so that the selected image file in read-only memory performing before the first use according to the update address relocation table, update option ROM image file at least a sector address call away. 如此一来,在选择只读存储器映像文件大于64K时,仍可通过重新定位表以及地址更新程序,使选择只读存储器映像文件执行远程呼叫指令,以正常驱动其所对应的外围设备。 Thus, when selecting ROM image file is greater than 64K, and still by repositioning the table address update procedure, the selection image file read-only memory to perform remote call instruction, the normal drive its corresponding peripheral device.

[0006] 为了实现上述目的,根据本发明一实施例,本发明提供一种选择只读存储器映像文件执行方法,包含以下步骤:自一外围装置的一储存元件读取用以驱动外围装置的一选择只读存储器映像文件;将选择只读存储器映像文件加载至一内存;记录选择只读存储器映像文件加载内存中的一加载地址;自选择只读存储器映像文件取得一重新定位表;执行选择只读存储器映像文件的一地址更新程序,借此使地址更新程序根据加载地址以及重新定位表,更新选择只读存储器映像文件中至少一远呼叫区段地址;执行更新后的选择只读存储器映像文件,以驱动外围装置。 [0006] To achieve the above object, according to an embodiment of the present invention, the present invention provides a method of performing a read only memory to select an image file, comprising the steps of: a storage device from a peripheral device of a peripheral device for driving the read select the image file read-only memory; read only memory the selected image file is loaded into a memory; read only memory to select an image file recorded loading a load address in memory; read only memory to select an image file from obtaining a relocation table; select only performed a read address of the memory image file update, whereby the update program in accordance with the address load and address relocation table, update option ROM image file away at least a sector address calling; update is performed after selecting an image file read-only memory to drive peripheral devices.

[0007] 本发明具有下列优点。 [0007] The present invention has the following advantages. 由于选择只读存储器运作的环境底下,因为不具有地址更新的功能,而无法使用远呼叫指令。 Since the selection environment under the operation of the read-only memory, because they do not have an address update function, and can not use the far call instruction. 然而,本发明通过将重新定位表以及地址更新程序储存于选择只读存储器映像文件中,使得选择只读存储器映像文件在执行前,可先利用地址更新程序根据重新定位表,更新选择只读存储器映像文件中至少一远呼叫区段地址。 However, the present invention is by relocation table and updates the address stored in the read only memory to select the image file, so that the selected image file in read-only memory before performing, using the address update procedure to be repositioned according to the table, the update option-ROM at least one image file sector address call away. 如此一来,在选择只读存储器映像文件大于64K时,仍可通过重新定位表以及地址更新程序,使选 Thus, when selecting ROM image file is greater than 64K, and still by repositioning the table address update procedure, the select

4择只读存储器映像文件执行远程呼叫指令,以正常驱动其所对应的外围设备。 4 Optional ROM image file to perform remote call instruction, the normal drive its corresponding peripheral device. 附图说明 BRIEF DESCRIPTION

[0008] 为让本发明的上述和其它目的、特征、优点与实施例能更明显易懂,所附附图的详细说明如下: [0008] In order to make the aforementioned and other objects, features, advantages and embodiments can be more fully understood by reading the following detailed description of the accompanying drawings:

[0009] 图1是依照本发明一实施例的一种选择只读存储器映像文件执行方法的流程图; [0009] FIG. 1 is a flowchart of a method of performing an image file read-only memory according to one embodiment of the present invention, a selection;

[0010] 图2是图1中产生选择只读存储器映像文件,并将选择只读存储器映像文件储存至外围装置的储存元件(步骤110)的一实施例。 [0010] FIG 2 is generated in FIG. 1 Select the image file read-only memory, a read only memory and select the image file into the storage element (step 110) the peripheral device according to an embodiment.

[0011]【主要元件符号说明】 [0011] The main reference numerals DESCRIPTION

[0012] 100 :选择只读存储器映像文件执行方法 [0012] 100: Select the image file read-only memory performing the method

[0013] 110 〜170:步骤 [0013] 110 ~170 steps of:

具体实施方式 Detailed ways

[0014] 参照图1,其是依照本发明一实施例的一种选择只读存储器(Option ROM)映像文件(image)执行方法的流程图。 [0014] Referring to FIG 1, which is a flow chart (image) to perform the method of image files read-only memory (Option ROM) according to one embodiment of the present invention a choice. 选择只读存储器映像文件执行方法通过将重新定位表(relocation table)以及地址更新程序储存于选择只读存储器映像文件中,使得选择只读存储器映像文件在执行前,先利用地址更新程序根据重新定位表,更新选择只读存储器映像文件中至少一远呼叫区段(far callsegment)地址。 ROM image file selected by performing the method Relocation Table (relocation table) and updates the address stored in the read only memory to select the image file, so that the selected image file in read-only memory before execution, first using the address update procedure according repositioned table, update ROM image file selected at least one call segment distal (far callsegment) address. 接下来,执行更新后的选择只读存储器映像,以驱动其对应的外围装置。 Next, the updated option-ROM image, to drive the corresponding peripheral device. 选择只读存储器映像文件执行方法100包含以下步骤: Selecting an image file read only memory 100 to perform a method comprising the steps of:

[0015] 在步骤120中,自一外围装置的一储存元件读取用以驱动外围装置的一选择只读存储器映像文件,或称为韧体(firmware)。 [0015] In step 120, a storage device from a peripheral device for driving a read ROM image file selected peripheral device, otherwise known as firmware (firmware). 外围装置可为显示卡、SCSI控制卡、或其它连接于计算机的外围装置。 Peripheral device may be a display card, SCSI controller card, or other peripheral devices connected to the computer. 外围装置的储存元件可为闪存(Flash Memory)、只读存储器(Read-only Memory, ROM)、电子可抹除可程序化只读存储器(Electrically Erasable Programmable Read-only Memory, EEPR0M)或其它储存元件。 Peripheral storage device may be a flash memory device (Flash Memory), ROM (Read-only Memory, ROM), electronic erasable programmable read only memory (Electrically Erasable Programmable Read-only Memory, EEPR0M) or other storage element .

[0016] 将选择只读存储器映像文件加载至一内存(步骤130),并记录选择只读存储器映像文件加载内存中的一加载地址(步骤140)。 [0016] A read-only memory to select an image file is loaded into a memory (step 130), a read only memory and select the recorded image file loaded in memory a load address (step 140). 在步骤150中,自选择只读存储器映像文件取得一重新定位表。 In step 150, the image file from the read only memory selection made a Relocation Table. 详细而言,在步骤150中,可先自选择只读存储器映像文件的重新定位表地址字段取得重新定位表地址。 Specifically, in step 150, may be selected from the first relocation table ROM address field of the image file acquired address relocation table. 其中,重新定位表地址字段可为选择只读存储器映像文件的文件头的原有字段或一新增的字段。 Wherein repositioning the original address field may be a field selected image file is a read only memory, or a new header fields of the table. 然后,根据重新定位表地址以及加载地址,自选择只读存储器映像文件取得重新定位表。 Then, according to the relocation table address and the address is loaded, the image file from the read only memory selection made Relocation Table. 换言之,根据重新定位表地址以及加载地址,计算重新定位表在内存中的地址,以自加载于内存中的选择只读存储器映像文件,取得重新定位表(步骤150)。 In other words, according to the relocation table address and load address is calculated relocated address table in memory, loading a self-selection in the memory ROM image file, obtaining Relocation Table (step 150).

[0017] 在步骤160中,执行选择只读存储器映像文件的一地址更新程序,借此使地址更新程序根据加载地址以及重新定位表,更新选择只读存储器映像文件中至少一远呼叫区段地址。 [0017] In step 160, performing a select address update program ROM image file, whereby the load in accordance with the address update procedure, and the address relocation table, update option ROM image file away at least a sector address call . 其中,远呼叫区段地址为选择只读存储器映像文件加载内存后,选择只读存储器映像文件中的远呼叫指令所呼叫的远呼叫区段的地址。 Wherein the distal section of the call address to select a memory to load an image file read-only memory, the address selecting section calls far only memory image file is called by the far call instruction.

[0018] 在步骤170中,执行更新后的选择只读存储器映像文件。 [0018] In step 170, a read only memory performing selected image file updated. 然后,即可依据更新后的选择只读存储器映像文件驱动外围装置。 Then, the peripheral device driver can select the read-only memory according to the updated image file. 如此一来,在选择只读存储器映像文件大于64K时,仍可通过重新定位表以及地址更新程序,使选择只读存储器映像文件执行远程呼叫指令,以正常驱动其所对应的外围设备。 Thus, when selecting ROM image file is greater than 64K, and still by repositioning the table address update procedure, the selection image file read-only memory to perform remote call instruction, the normal drive its corresponding peripheral device.

[0019] 此外,在自外围装置的储存元件读取选择只读存储器映像文件(步骤120)前,可先产生选择只读存储器映像文件,并将选择只读存储器映像文件储存至外围装置的储存元件(步骤110)。 [0019] Further, before the peripheral device from the storage element selected to read the image file read-only memory (step 120), read-only memory can be selected to produce the image file, and selecting a read only memory storing a peripheral device to store image files element (step 110). 参照图2,是图1中产生选择只读存储器映像文件,并将选择只读存储器映像文件储存至外围装置的储存元件(步骤110)的一实施例。 Referring to FIG. 2, FIG. 1 is a read-only memory is generated to select the image file, and select one embodiment, a read only memory image file into the storage element (step 110) the peripheral device. 产生选择只读存储器映像文件,并将选择只读存储器映像文件储存至外围装置的储存元件(步骤110)包含以下步骤: Select the image file generating read-only memory, a read only memory and select the image file into the storage element (step 110) the peripheral device comprises the steps of:

[0020] 在步骤111中,取得用以驱动外围装置的执行文件。 [0020] In step 111, the execution file acquired for driving the peripheral device. 其中,此执行文件的文件格式为EXE文件格式。 Among them, the implementation of this file format EXE file format.

[0021] 在步骤112中,分析执行文件,以取得执行文件的程序区块以及重新定位表。 [0021] In step 112, the file analysis performed to obtain a program execution file block and Relocation Table. 其中,程序区块具有至少一远呼叫指令,用以根据远呼叫区段地址,远呼叫一远呼叫区段。 Wherein the program block having at least a distal call instruction for calling a sector address according to far, far away call a call segments.

[0022] 在步骤113中,将地址更新程序、程序区块以及重新定位表依序置于一选择只读存储器文件头后,以产生选择只读存储器映像文件。 After [0022] In step 113, the address update program, program block and sequentially disposed a relocation table header option-ROM, read-only memory to generate select an image file. 其中,选择只读存储器文件头是用以作为选择只读存储器映像文件的文件头。 Wherein selecting a read only memory to select the file header is used as a read-only memory image file header. 如此一来,将地址更新程序置于程序区块前,可使得在执行选择只读存储器映像文件时,使地址更新程序较程序区块的远呼叫指令先执行。 Thus, the address update program into blocks before the program can be selected such that when performing a read only memory image file, the update in the address block is much more program call instruction executed first. 因而避免在远程呼叫指令执行时,其所呼叫的远程呼叫区段地址未更新,而造成呼叫地址错误。 Thus avoiding a call when the remote command execution, remote call segment address is not updated their call, the call caused an address error.

[0023] 在步骤114中,分析重新定位表位于选择只读存储器映像文件的一重新定位表地址。 [0023] In step 114, the analysis table is repositioned to select a ROM address relocation table image file. 接下来,在步骤115中,将重新定位表地址填入选择只读存储器文件头的一重新定位表地址字段。 Next, at step 115, the fill address relocation table selecting a relocation table ROM address field of the header. 其中,可用选择只读存储器文件头的原有字段或一新增的字段,作为重新定位表地址字段。 Wherein, the original fields can be used to select a read only memory or a new header field, a relocation table address field.

[0024] 在步骤116中,将选择只读存储器映像文件储存至外围装置的储存元件。 [0024] In step 116, the selected image file read-only memory into the storage elements of the peripheral device. 其中,可通过烧录的方式,将选择只读存储器映像文件储存至外围装置的储存元件(步骤116)。 Wherein, by way of programming, the selected image file read-only memory into the storage element (step 116) the peripheral device. 此外,亦可通过上传程序将选择只读存储器映像文件上传至外围装置,以储存于外围装置的储存元件(步骤116)。 Further, also by uploading the selected program ROM image files uploaded to the peripheral device, for storing in the storage element (step 116) the peripheral device.

[0025] 由上述本发明较佳实施例可知,应用本发明具有下列优点。 [0025] From the above-described preferred embodiment of the present invention found that application of the present invention has the following advantages. 由于选择只读存储器运作的环境底下,因为不具有地址更新的功能,而无法使用远呼叫指令。 Since the selection environment under the operation of the read-only memory, because they do not have an address update function, and can not use the far call instruction. 然而,本发明通过将重新定位表以及地址更新程序储存于选择只读存储器映像文件中,使得选择只读存储器映像文件在执行前,可先利用地址更新程序根据重新定位表,更新选择只读存储器映像文件中至少一远呼叫区段地址。 However, the present invention is by relocation table and updates the address stored in the read only memory to select the image file, so that the selected image file in read-only memory before performing, using the address update procedure to be repositioned according to the table, the update option-ROM at least one image file sector address call away. 如此一来,在选择只读存储器映像文件大于64K时,仍可通过重新定位表以及地址更新程序,使选择只读存储器映像文件执行远程呼叫指令,以正常驱动其所对应的外围设备。 Thus, when selecting ROM image file is greater than 64K, and still by repositioning the table address update procedure, the selection image file read-only memory to perform remote call instruction, the normal drive its corresponding peripheral device.

[0026] 虽然本发明已以多个实施例揭露如上,然其并非用以限定本发明,任何熟悉此技术的人员,在不脱离本发明的精神和范围内,当可作各种的更动与润饰,因此本发明的保护范围当以权利要求书所界定的范围为准。 [0026] While the present invention has a plurality of the foregoing descriptions, they are not intended to limit the invention, to any person skilled in the art, without departing from the spirit and scope of the present invention, that various modifications can be made to and variations, and the scope of the invention as to the scope of the claims and their equivalents.

Claims (9)

1. 一种选择只读存储器映像文件执行方法,其特征在于,包含:自一外围装置的一储存元件读取用以驱动该外围装置的一选择只读存储器映像文件;将该选择只读存储器映像文件加载至一内存;记录该选择只读存储器映像文件加载该内存中的一加载地址;自该选择只读存储器映像文件取得一重新定位表;执行该选择只读存储器映像文件的一地址更新程序,借此使该地址更新程序根据该加载地址以及该重新定位表,更新该选择只读存储器映像文件中至少一远呼叫区段地址;以及执行更新后的该选择只读存储器映像文件,以驱动该外围装置。 A method for selecting a read only memory image file execution method, wherein, comprising: a storage device from a peripheral device for driving a read select the peripheral device image file read-only memory; read only memory of the selected image file is loaded into a memory; read only memory to record the selected image file to load the memory address of a load; selected from the image file obtaining a ROM relocation table; executing the selected image file is a read-only memory address update procedure, whereby the address update procedure based on the address and load the relocation table, update the ROM image file selected at least one call away sector address; and the update is performed after selecting an image file read-only memory, to driving the peripheral device.
2.根据权利要求1所述的选择只读存储器映像文件执行方法,其特征在于,还包含: 在自该外围装置的该储存元件读取该选择只读存储器映像文件前,产生该选择只读存储器映像文件,并将该选择只读存储器映像文件储存至该外围装置的该储存元件,其中产生该选择只读存储器映像文件,并将该选择只读存储器映像文件储存至该外围装置的该储存元件的步骤包含:提供用以驱动该外围装置的一执行文件;分析该执行文件,以取得一程序区块以及该重新定位表,其中该执行文件的程序区块包含至少一远呼叫指令,以通过该远呼叫区段地址,远呼叫一远呼叫区段;以及将该地址更新程序、该程序区块以及该重新定位表依序置于一选择只读存储器文件头后,以产生该选择只读存储器映像文件。 The method of performing a read only memory image file selected according to claim 1, characterized in that, further comprising: prior to the storage element from the selected peripheral device reads the ROM image files, generating the selected read-only the memory image file, and the selection ROM image file is stored to the storage elements of the peripheral device, wherein the selection ROM generating the image file, and the selection of the ROM storing the image files stored to the peripheral device element comprises the step of: providing an executable file for driving the peripheral device; analyzing the execution file, a program to obtain the block and reposition the table, wherein the block comprises a program execution file at least a distal call instruction to by far the sector address call, a call is far away call segment; back, and the address update procedure, the program block and the relocation table disposed sequentially selecting a read-only memory file header, to generate the select only read memory image file.
3.根据权利要求2所述的选择只读存储器映像文件执行方法,其特征在于,产生该选择只读存储器映像文件,并将该选择只读存储器映像文件储存至该外围装置的该储存元件的步骤还包含:在将该地址更新程序、该程序区块以及该重新定位表依序置于该选择只读存储器文件头后,以产生该选择只读存储器映像文件的步骤后,分析该重新定位表位于该选择只读存储器映像文件的一重新定位表地址;以及将该重新定位表地址填入该选择只读存储器文件头的一重新定位表地址字段。 The method of performing a read only memory of the selected image file as claimed in claim 2, wherein the selection generating ROM image file, and the selection ROM image file is stored to the storage elements of the peripheral device further comprising the step of: updating the address in the program, the program block and the relocation table sequentially disposed after the selection ROM file header, the step of generating a read only memory to the selected image file after the repositioning analysis the selection table is a ROM image file relocation table address; and repositioning the table to select ROM addresses filling the header of a relocation table address field.
4.根据权利要求3所述的选择只读存储器映像文件执行方法,其特征在于,自该选择只读存储器映像文件取得该重新定位表包含:自该重新定位表地址字段取得该重新定位表地址;以及根据该重新定位表地址以及该加载地址,自该选择只读存储器映像文件取得该重新定位表。 The image file executing method of selecting the read-only memory as claimed in claim 3, wherein the selection from the image file obtaining the ROM relocation table comprising: repositioning the table from the address field to obtain the address relocation table ; and a relocation table based on the load address and the address from the selected ROM image file acquires the Relocation table.
5.根据权利要求2所述的选择只读存储器映像文件执行方法,其特征在于,在产生该选择只读存储器映像文件后,将该选择只读存储器映像文件储存至该外围装置的该储存元件。 5. Select the image file read-only memory performing the method according to claim 2, wherein, after generating the image file selected ROM, the storage element of the selected image file is stored to the ROM of the peripheral device .
6.根据权利要求5所述的选择只读存储器映像文件执行方法,其特征在于,将该选择只读存储器映像文件储存至该外围装置的该储存元件包含:将该选择只读存储器映像文件烧录至该外围装置的该储存元件。 The read-only memory select an image file to perform the method according to claim 5, wherein the read only memory to select the image file is stored to the storage elements of the peripheral device comprising: a read-only memory of the selected image file to burn recording to the storage elements of the peripheral device.
7.根据权利要求5所述的选择只读存储器映像文件执行方法,其特征在于,将该选择只读存储器映像文件储存至该外围装置的该储存元件包含:将该选择只读存储器映像文件通过上传程序上传至该外围装置,以储存于该外围装置的该储存元件。 The read-only memory select an image file to perform the method according to claim 5, wherein the read only memory to select the image file is stored to the storage elements of the peripheral device comprising: a read-only memory of the selected image file by Uploader to the peripheral device to store in the storage device of the peripheral device.
8.根据权利要求2所述的选择只读存储器映像文件执行方法,其特征在于,该执行文件的文件格式为EXE文件格式。 8. Select the image file read-only memory performing the method according to claim 2, wherein the execution format file to EXE file format.
9.根据权利要求1所述的选择只读存储器映像文件执行方法,其特征在于,该外围装置的该储存元件为闪存、只读存储器或电子可抹除可程序化只读存储器。 9. Select the image file read-only memory performing the method according to claim 1, wherein the storage elements of the peripheral device is a flash memory, read only memory or electronically erasable programmable read only memory.
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