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Merge pull request #551 from edwardcwang/configdoc

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Update config override documentation
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Henry Cook 2017-02-09 11:56:38 -08:00 committed by GitHub
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README.md
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@ -423,11 +423,11 @@ post, so please stay tuned.
To override specific configuration items, such as the number of external interrupts, To override specific configuration items, such as the number of external interrupts,
you can create your own Configuration(s) and compose them with Config's ++ operator you can create your own Configuration(s) and compose them with Config's ++ operator
class WithNExtInterrupts extends Config (nExt: Int) { class WithNExtInterrupts(nExt: Int) extends Config {
(pname, site, here) => pname match { (site, here, up) => {
case (NExtInterrupts => nExt) case NExtInterrupts => nExt
} }
} }
class MyConfig extends Config (new WithNExtInterrupts(16) ++ new DefaultSmallConfig) class MyConfig extends Config (new WithNExtInterrupts(16) ++ new DefaultSmallConfig)
Then you can build as usual with CONFIG=MyConfig. Then you can build as usual with CONFIG=MyConfig.