System-on-chip bus behavior detection method and apparatus

A system-on-chip and detection method technology, applied in the field of system-on-chip, can solve problems such as single function of the monitoring module, inability to capture AXI bus data, and inability to meet the diverse needs of SoC chips, so as to achieve the effect of meeting diverse needs

Inactive Publication Date: 2017-05-24
SANECHIPS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The current SoC chip is running faster and faster, and the main frequency of its processor has reached more than 2GHz. Therefore, it is impossible to capture the instantaneous signal by the test machine alone, and it is impossible to go deep into the chip to capture the bus signal. This requires a monitoring module. Embedded in the chip to capture bus signals in real time
[0003] However, existing moni

Method used

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  • System-on-chip bus behavior detection method and apparatus
  • System-on-chip bus behavior detection method and apparatus
  • System-on-chip bus behavior detection method and apparatus

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no. 2 example

[0133] In order to better illustrate the purpose of the present invention, further illustrations are given on the basis of the first embodiment of the present invention.

[0134] Figure 7 It is a schematic diagram of the application scene of the second embodiment of the SoC bus behavior detection method of the present invention, as Figure 7 As shown, the processor 700 represents a master device, and data transmission is performed between the processor 700 and the slave device 701 through the AXI bus / ACE bus; The behavior of the bus is detected, and the DDR memory 703 is used to store the bus behavior detection result obtained by the detector. The detector 702 is connected to the AXI bus / ACE bus through the slave interface for monitoring the AXI bus / ACE bus; the detector 702 is connected to the DDR memory 703 through the master interface, and the monitoring of the AXI bus / ACE bus by the detector 702 belongs to non-intrusive monitoring. Therefore there is no interference wit...

no. 3 example

[0163] For the method of the embodiment of the present invention, the embodiment of the present invention also provides a SoC bus behavior detection device.

[0164] Figure 10 It is a schematic diagram of the first component structure of the SoC bus behavior detection device in the embodiment of the present invention, such as Figure 10 As shown, the device includes: a receiving module 1000 and a detecting module 1001; wherein,

[0165] The receiving module 1000 is used to receive the SoC advanced extensible interface AXI bus signal; the detection module 1001 is used to perform at least one of the following operations based on the AXI bus signal: grabbing AXI bus channel data, and performing AXI bus data transmission to the bus Transmission parameters for statistics;

[0166] And / or, the receiving module 1000 is configured to receive the AXI conformance extended ACE bus signal in the SoC bus signal; the detection module 1001 is configured to capture ACE bus channel data bas...

no. 4 example

[0179] In order to better reflect the purpose of the present invention, further illustrations will be made on the basis of the third embodiment of the present invention.

[0180] Figure 11 It is a schematic diagram of the second component structure of the SoC bus behavior detection device in the embodiment of the present invention, as Figure 11 As shown, the device includes: a first timing adjustment unit 1100, a second timing adjustment unit 1101, an AXI bus detection unit 1102, an ACE bus detection unit 1103, a statistics unit 1104, a configuration unit 1105, a first clearing unit 1106, a second clearing unit unit 1107, data transmission unit 1108 and third timing adjustment unit 1109; wherein,

[0181] The configuration unit 1105 is used to configure the parameters of the bus data capture and the statistical parameters of the bus transmission parameters, send the parameters of the configured bus data capture to the AXI bus detection unit / ACE bus detection unit, and trans...

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Abstract

An embodiment of the invention discloses a system-on-chip (SoC) bus behavior detection method. The method comprises the steps of receiving an SoC advanced extensible interface (AXI) bus signal; performing at least one of the following operations based on the AXI bus signal: capturing AXI bus channel data, and performing statistics on bus transmission parameters during AXI bus data transmission; and/or, receiving an AXI consistency extensible (ACE) bus signal in the SoC bus signal; and capturing ACE bus channel data based on the received ACE bus signal. An embodiment of the invention furthermore discloses an SoC bus behavior detection apparatus.

Description

technical field [0001] The present invention relates to the field of system on chip (System on Chip, SoC), in particular to a SoC bus behavior detection method and device. Background technique [0002] The current SoC chip is running faster and faster, and the main frequency of its processor has reached more than 2GHz. Therefore, it is impossible to capture the instantaneous signal by the test machine alone, and it is impossible to go deep into the chip to capture the bus signal. This requires a monitoring module. Embedded into the chip to capture bus signals in real time. [0003] However, existing monitoring modules such as SonicsMT and FlexNoC monitoring modules can only capture certain signals of the Advanced Extensible Interface (AXI) bus, specifically, existing monitoring modules can only capture The AXI bus address and commands are captured, but the AXI bus data cannot be captured; in short, the existing monitoring module has a single function and cannot meet the div...

Claims

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Application Information

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IPC IPC(8): G06F11/22
CPCG06F11/22G06F11/221
Inventor 段延亮
Owner SANECHIPS TECH CO LTD
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