From e02cda008591317b1625707ff8e115a4841aa889 Mon Sep 17 00:00:00 2001 From: Timos Ampelikiotis Date: Tue, 10 Oct 2023 11:40:56 +0000 Subject: Introduce Virtio-loopback epsilon release: Epsilon release introduces a new compatibility layer which make virtio-loopback design to work with QEMU and rust-vmm vhost-user backend without require any changes. Signed-off-by: Timos Ampelikiotis Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9 --- target/openrisc/interrupt_helper.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 target/openrisc/interrupt_helper.c (limited to 'target/openrisc/interrupt_helper.c') diff --git a/target/openrisc/interrupt_helper.c b/target/openrisc/interrupt_helper.c new file mode 100644 index 000000000..ab4ea88b6 --- /dev/null +++ b/target/openrisc/interrupt_helper.c @@ -0,0 +1,31 @@ +/* + * OpenRISC interrupt helper routines + * + * Copyright (c) 2011-2012 Jia Liu + * Feng Gao + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + */ + +#include "qemu/osdep.h" +#include "cpu.h" +#include "exec/exec-all.h" +#include "exec/helper-proto.h" + +void HELPER(rfe)(CPUOpenRISCState *env) +{ + env->pc = env->epcr; + env->lock_addr = -1; + cpu_set_sr(env, env->esr); +} -- cgit