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Reclaiming and reusing pre-boot reserved memory post-boot

A memory and pre-boot technology, applied in the field of memory, can solve problems such as memory unavailable operating system

Pending Publication Date: 2021-09-28
INTEL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after boot (post boot), this allocated memory is not available to the operating system

Method used

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  • Reclaiming and reusing pre-boot reserved memory post-boot
  • Reclaiming and reusing pre-boot reserved memory post-boot
  • Reclaiming and reusing pre-boot reserved memory post-boot

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0073] Example 1. An apparatus, comprising: a processor; and a memory storing instructions that, when executed by a processor, cause the processor to perform the following operations: the supply portion of the dispensing path memory to be used during pre-boot operating system; and tag memory portion is retained; and provide an indication of the memory portion of the operating system, so that the memory part can be recovered by the operating system during the boot of the operating system.

example 2

[0074] Example 2. The apparatus according to example 1, when executed by a processor, a processor such that a portion of memory allocated for use by the graphics output protocol (GOP) using a frame buffer.

example 3

[0075] 3. The computing device of Example 2 according to an example, when executed by a processor, such that a portion of memory allocated dynamically based on the contents of the frame buffer processor GOP.

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PUM

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Abstract

The invention relates to reclaiming and reusing pre-boot reserved memory post boot. Described is a system where memory can be allocated for use by an adapter pre-boot and preserved for use post-boot. A BIOS can allocate for pre-boot hardware operations (e.g., graphics drivers, framebuffers, etc.) and mark this allocated memory as preserved. An indication of the allocated memory can be provided for an OS, such that post-boot, the OS can reclaim and reallocate this memory.

Description

Technical field [0001] The present disclosure relates to a memory that recovered and reuses pre-guided reserves after guiding. Background technique [0002] The computing device allocates a memory in various hardware components (eg, graphics processing units, etc.) during the initial boot of the computing device. The allocated memory is used for hardware components during boot. However, after POST Boot, the allocated memory is not available for the operating system. In other words, the memory allocated during boot is not released or recycled after boot. Drawings [0003] In order to easily identify any particular component or action, one or more of the highest effective numbers in the reference numerals refer to the reference number of the first time introduced. [0004] figure 1 An example block diagram of system 100 that retains pre-boot allocated memory after booting. [0005] figure 2 A portion of the system 100 that retains the pre-guided allocated memory after boot is sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/4401
CPCG06F9/4401G06F9/4406G06F9/4403G06F9/5016G06F9/5022G06T1/60G06F12/1009G06F9/544
Inventor 潘纳库马尔·拉贾戈帕尔穆拉利·R·艾扬格卡鲁纳卡拉·科塔里欧娃伊思·毕尔萨加尔·C·帕瓦尔普拉卡什·皮莱拉哈文德拉·N阿尼什·A·图尔贾普卡
Owner INTEL CORP