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System of capable of identifying cold boot and warm boot, and method for quickenning speed of starting up system

A start-up speed and cold start-up technology, applied in program loading/startup, energy-saving computing, energy-saving ICT, etc., can solve problems such as prolonging start-up time and reducing system efficiency, and achieve the effect of accelerating start-up speed and improving efficiency

Inactive Publication Date: 2007-01-17
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the system does not distinguish between cold start or hot start, the program also reloads or configures all devices that need to be powered on and configured, such as FPGA devices, during the hot start process, thereby prolonging the start time and reducing the system's operating time. efficiency

Method used

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  • System of capable of identifying cold boot and warm boot, and method for quickenning speed of starting up system
  • System of capable of identifying cold boot and warm boot, and method for quickenning speed of starting up system
  • System of capable of identifying cold boot and warm boot, and method for quickenning speed of starting up system

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Embodiment Construction

[0024] The difference between a cold start and a hot start of a computer system lies in whether the power is turned on again, and the power is turned on again for a cold start, and vice versa for a hot start. The present invention provides a kind of simple hot and cold start identification method, when the system is restarted, the microprocessor (CPU) can distinguish between cold start and hot start by inquiry mode, if it is hot start, the link of starting can be reduced, such as CPU program The process of reloading or configuring devices such as Field Programmable Gate Arrays (FPGAs) can be skipped, resulting in faster system startup.

[0025] refer to figure 1 , the computer system includes: a microprocessor, a memory connected to the microprocessor through a bus and an input / output interface, a power supply that provides operating voltage to the system, a startup identification circuit connected to the power supply and the microprocessor, and connected to the input / output ...

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Abstract

Microprocessor differentiates between cold starting and hot starting through reading data in a flag register. When in cold starting, the flag register is changed to hot starting; but, in hot starting, the flag register is not changed. When in cold starting, some tasks, which are only need to be treated, are jumped over. The invented system includes at least microprocessor, memory, I / O interface, power source and a circuit of start id. One input end of circuit of start id is connected to power source in order to detect power up and save relevant start id. Microprocessor through I / O interface is connected to the circuit of start id in order to readout or write in a start id.

Description

technical field [0001] The invention relates to system startup technology, in particular to a system capable of identifying hot and cold startup and a method for accelerating the startup speed of the system. Background technique [0002] For embedded computer systems such as routers, cold start refers to the process of system equipment from starting to power supply, while hot start refers to the reset of the system equipment without power down, but the central processing unit (CPU) and other devices. A general complex computer system often includes devices that must be powered on for configuration or loading, such as Field Programmable Gate Arrays (FPGAs). When the FPGA is powered off, that is, after a cold start, the internal logic will be lost and must be reloaded. Generally, this loading process takes a long time, but hot restart of FPGA devices does not require reloading. [0003] In existing embedded computer systems such as routers, there is generally no distinction ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/445G06F13/00
CPCY02B60/1228Y02D10/00
Inventor 张俊李哲
Owner HUAWEI TECH CO LTD
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