| /* | |
| * This file is subject to the terms and conditions of the GNU General Public | |
| * License. See the file "COPYING" in the main directory of this archive | |
| * for more details. | |
| * | |
| * Copyright (C) 2013 Cavium, Inc. | |
| */ | |
| #include <linux/kernel.h> | |
| #include <linux/virtio_console.h> | |
| #include <linux/kvm_para.h> | |
| /* | |
| * Emit one character to the boot console. | |
| */ | |
| int prom_putchar(char c) | |
| { | |
| kvm_hypercall3(KVM_HC_MIPS_CONSOLE_OUTPUT, 0 /* port 0 */, | |
| (unsigned long)&c, 1 /* len == 1 */); | |
| return 1; | |
| } | |
| #ifdef CONFIG_VIRTIO_CONSOLE | |
| static int paravirt_put_chars(u32 vtermno, const char *buf, int count) | |
| { | |
| kvm_hypercall3(KVM_HC_MIPS_CONSOLE_OUTPUT, vtermno, | |
| (unsigned long)buf, count); | |
| return count; | |
| } | |
| static int __init paravirt_cons_init(void) | |
| { | |
| virtio_cons_early_init(paravirt_put_chars); | |
| return 0; | |
| } | |
| core_initcall(paravirt_cons_init); | |
| #endif |