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https://github.com/tinygo-org/tinygo.git
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Ayke van Laethem
415c60551e
This commit adds support for software vectoring in the PLIC interrupt. The interrupt table is created by the compiler, which leads to very compact code while retaining the flexibility that the interrupt API provides.
19 lines
581 B
Go
19 lines
581 B
Go
// +build sifive
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package interrupt
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import "device/sifive"
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// Enable enables this interrupt. Right after calling this function, the
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// interrupt may be invoked if it was already pending.
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func (irq Interrupt) Enable() {
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sifive.PLIC.ENABLE[irq.num/32].SetBits(1 << (uint(irq.num) % 32))
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}
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// SetPriority sets the interrupt priority for this interrupt. A higher priority
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// number means a higher priority (unlike Cortex-M). Priority 0 effectively
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// disables the interrupt.
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func (irq Interrupt) SetPriority(priority uint8) {
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sifive.PLIC.PRIORITY[irq.num].Set(uint32(priority))
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}
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