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// See LICENSE for license details.
package chisel3.util
import chisel3.experimental.{ChiselAnnotation, ExtModule, RunFirrtlTransform}
import firrtl.transforms.{BlackBoxPathAnno, BlackBoxResourceAnno, BlackBoxInlineAnno, BlackBoxSourceHelper,
BlackBoxNotFoundException}
import BlackBoxHelpers._
trait HasExtModuleResource extends ExtModule {
self: ExtModule =>
/** Copies a resource file to the target directory
*
* Resource files are located in project_root/src/main/resources/.
* Example of adding the resource file project_root/src/main/resources/blackbox.v:
* {{{
* addResource("/blackbox.v")
* }}}
*/
def addResource(blackBoxResource: String): Unit = {
val anno = new ChiselAnnotation with RunFirrtlTransform {
def toFirrtl = BlackBoxInlineAnno.fromResource(blackBoxResource, self.toNamed)
def transformClass = classOf[BlackBoxSourceHelper]
}
chisel3.experimental.annotate(anno)
}
}
trait HasExtModuleInline extends ExtModule {
self: ExtModule =>
/** Creates a black box verilog file, from the contents of a local string
*
* @param blackBoxName The black box module name, to create filename
* @param blackBoxInline The black box contents
*/
def setInline(blackBoxName: String, blackBoxInline: String): Unit = {
val anno = new ChiselAnnotation with RunFirrtlTransform {
def toFirrtl = BlackBoxInlineAnno(self.toNamed, blackBoxName, blackBoxInline)
def transformClass = classOf[BlackBoxSourceHelper]
}
chisel3.experimental.annotate(anno)
}
}
trait HasExtModulePath extends ExtModule {
self: ExtModule =>
/** Copies a file to the target directory
*
* This works with absolute and relative paths. Relative paths are relative
* to the current working directory, which is generally not the same as the
* target directory.
*/
def addPath(blackBoxPath: String): Unit = {
val anno = new ChiselAnnotation with RunFirrtlTransform {
def toFirrtl = BlackBoxPathAnno(self.toNamed, blackBoxPath)
def transformClass = classOf[BlackBoxSourceHelper]
}
chisel3.experimental.annotate(anno)
}
}
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