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Addressing range extension method and device, storage medium and electronic equipment

A technology of addressing range and expansion method, which is applied in the direction of register device, machine execution device, program control design, etc., and can solve the problem that sdio cannot perform large-scale addressing

Active Publication Date: 2021-04-30
北京欣博电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Under the standard of the existing sdio protocol, the coprocessor can only access the memory space of 0-128KB. If the sdioslave supports CSA, each function can only be extended to a maximum address space of 16MB for addressing. If the coprocessor chip does not have a CPU, Relying solely on the host, mass addressing is not possible via sdio

Method used

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  • Addressing range extension method and device, storage medium and electronic equipment
  • Addressing range extension method and device, storage medium and electronic equipment

Examples

Experimental program
Comparison scheme
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no. 1 approach

[0027] Such as figure 1 As shown, this embodiment provides a method for extending the addressing range, including: obtaining a preset number of reserved registers; storing the addressing base address in the preset number of reserved registers; The addressing base address is obtained from the preset number of reserved registers of the base address for addressing. The method of this embodiment can greatly expand the addressing range of the sdio protocol, so that the coprocessor can completely get rid of the CPU, and the driver is completely implemented on the host side, reducing the complexity of the driver, making the chip structure simple and clear, and compatible with standard sdio protocol.

[0028] In an optional embodiment, the host issues an addressing command, and the coprocessor implements the above method after receiving the command.

[0029] In an optional embodiment, the acquiring a preset number of reserved registers includes: acquiring a reserved register storage...

no. 2 approach

[0037] Such as figure 2 As shown, the second embodiment of the present invention provides an addressing range expansion device, including: an acquisition module, used to acquire a preset number of reserved registers; a storage module, used to store the address base address in a preset number In the reserved registers; the transmission module obtains the addressing base address from the preset number of reserved registers storing the addressing base address for addressing. The addressing range expansion device of this embodiment can greatly expand the addressing range of the sdio protocol, so that the coprocessor can completely get rid of the CPU, and the driver is completely implemented on the host side, reducing the complexity of the driver, making the chip structure simple and clear, And compatible with standard sdio protocol.

[0038] In an optional embodiment, the host issues an addressing command, and the coprocessor implements the above method after receiving the comma...

no. 3 approach

[0046] A third embodiment of the present invention provides a storage medium, on which a computer program is stored, and when the program is executed by a processor, the addressing range extension method provided in the first embodiment of the present invention is implemented. The parts of this embodiment that are the same as those of the first embodiment will not be repeated here.

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Abstract

The invention discloses an addressing range extension method and device, a storage medium and electronic equipment, and the method comprises the steps: obtaining a preset number of reserved registers; storing the addressing base address in a preset number of reserved registers; and obtaining the addressing base addresses from the preset number of reserved registers in which the addressing base addresses are stored for addressing, thereby greatly expanding the addressing range of the sdio protocol, enabling the coprocessor to completely get rid of a CPU, enabling the driver to be completely realized at a host end without firmware, reducing the complexity of the driver, enabling the chip structure to be simple and clear, and enabling the chip to be compatible with the standard sdio protocol.

Description

technical field [0001] The invention relates to the field of data transmission, in particular to a method and device for extending an addressing range, a storage medium and electronic equipment. Background technique [0002] Under the standard of the existing sdio protocol, the coprocessor can only access the memory space of 0-128KB. If the sdioslave supports CSA, each function can only be extended to a maximum address space of 16MB for addressing. If the coprocessor chip does not have a CPU, Relying solely on the host, mass addressing is not possible through sdio. Contents of the invention [0003] (1) Purpose of the invention [0004] The object of the present invention is to provide an addressing range extension method and device based on an ASIC circuit that can effectively expand the addressing range and improve addressing efficiency, as well as storage media and electronic equipment. [0005] (2) Technical solution [0006] In order to solve the above problems, th...

Claims

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Application Information

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IPC IPC(8): G06F9/30G06F13/16G06F13/42
CPCG06F9/3013G06F9/30138G06F13/1668G06F13/4234
Inventor 金傲寒梁敏学
Owner 北京欣博电子科技有限公司
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