U-boot how to generate SPL
U-boot version: 2016.05
The top-level makefile definition generates SPL:
The origin of variables such as BOARD,CPU required for generating SPL:
The top-level makefile contains the. config
The. config contains the
This article is reproduced from Nidetech blog
Chip-to-uboot start-up process ROM→SPL→UBOOT.IMG introduction ROM code in 335x is the first level of Bootlader. When the MPU is power on, it will automatically execute the code here, complete
What is 1.SPL?Spl:standard PHP library PHP Standard Libraries, this starting from the php5.0 built-in components and interfaces, after 5.3 gradually mature. Because it is built into the PHP5 development environment, no configuration is
Brief introduction
SPL is all called (Standard PHP library,php Standard library), from the official document, SPL mainly contains the following blocks:InterfaceDataIteratorsAbnormalfunction enhancementArrayobjectSqlfileinfoOne, interface
Arrays of PHP and SPL fixed arrays
PHP fixed arrays are part of a data structure of the PHP standard library (SPL). Compared to PHP normal arrays, fixed arrays can only be used to define its subscript, and, as the name suggests, is fixed length,
Opening remarks:
I personally think that the entire SAS protocol family is large, and there are many concepts that are hard to understand. I can only study the actual code at work while reading the protocol in detail. In this way, we can better
The following examples take the example of Project X projects tiny210 (s5pv210 platform, ARMV7 architecture)
[Uboot] uboot process series :[Project X] tiny210 (s5pv210) power-on START process (BL0-BL2)[Project X] tiny210 (s5pv210) load code from
Speaking of PHP automatic loading, many students may think of various framework of the automatic loading function, PHP specifications in the PSR0 and PSR4 principles, composer Automatic loading function, and so on, these are for our development to
__autoload implementation of automatic loading, but due to the introduction of a multi-class library, __autoload Maintenance will be complex, the introduction of SPL_AOTOLOAD,SPL implementation of an automatic loading function list of manual
Transfer from the Internet:
(1) Overview of autoload mechanismWhen developing a system using the OO pattern in PHP, it is often customary to store implementations of each class in a separate file, which makes it easy to reuse classes and
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