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

AI Technical Summary

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

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
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Example

[0026]First embodiment

[0027]Such asfigure 1 As shown, the present embodiment provides a addressing range extension method, including: acquiring a predetermined number of reserved registers; existing address bases in a preset number of reserved registers; In the predetermined number of reserved registers of the base address, the address base address is obtained for addressing. The method of the present embodiment can greatly expand the addressing range of the SDIO protocol, so that the coprocessor can completely get rid of the CPU, the drive is completely implemented at the host, reducing the complexity of the drive, so that the chip structure is simple and clear, and compatible standard SDIO protocol.

[0028]In an alternative embodiment, the main unit is addressed, and the coprocessor receives the command for implementing the above method.

[0029]In an alternative embodiment, the acquisition of a predetermined number of reserved registers, including: obtaining a reserved register storag...

Example

[0036]Second embodiment

[0037]Such asfigure 2As shown, the second embodiment of the present invention provides a addressing range expansion apparatus, including: acquisition module for acquiring a predetermined number of reserved registers; storage modules for exiting the address base address at a predetermined amount In the reserved register; the transmission module, in the preset number of the predetermined number of addressed bases, the address base address is obtained for addressing. The addressing range expansion apparatus of the present embodiment can greatly expand the addressing range of the SDIO protocol, enabling coprocessor to get rid of the CPU, driving completely at the host, reducing the complexity of the drive, so that the chip structure is simple and clear. And compatible with standard SDIO protocols.

[0038]In an alternative embodiment, the main unit is addressed, and the coprocessor receives the command for implementing the above method.

[0039]In an alternative embodim...

Example

[0045]Third implementation

[0046]A third embodiment of the present invention provides a storage medium, a computer program stored on a storage medium, and the program is implemented when executed by the processor, implemented the addressing range expansion method provided by the first embodiment of the present invention. The present embodiment is the same as those of the first embodiment, and will not be described more.

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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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