github.com/usbarmory/tamago@v0.0.0-20240508072735-8612bbe1e454/board/qemu/sifive_u/console.go (about) 1 // QEMU sifive_u support for tamago/riscv64 2 // https://github.com/usbarmory/tamago 3 // 4 // Copyright (c) WithSecure Corporation 5 // https://foundry.withsecure.com 6 // 7 // Use of this source code is governed by the license 8 // that can be found in the LICENSE file. 9 10 //go:build !linkprintk 11 // +build !linkprintk 12 13 package sifive_u 14 15 import ( 16 _ "unsafe" 17 18 "github.com/usbarmory/tamago/soc/sifive/fu540" 19 ) 20 21 //go:linkname printk runtime.printk 22 func printk(c byte) { 23 fu540.UART0.Tx(c) 24 }