qemu/target-openrisc/interrupt_helper.c
Paolo Bonzini 63c915526d cpu: move exec-all.h inclusion out of cpu.h
exec-all.h contains TCG-specific definitions.  It is not needed outside
TCG-specific files such as translate.c, exec.c or *helper.c.

One generic function had snuck into include/exec/exec-all.h; move it to
include/qom/cpu.h.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-19 16:42:29 +02:00

61 lines
1.9 KiB
C

/*
* OpenRISC interrupt helper routines
*
* Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
* Feng Gao <gf91597@gmail.com>
*
* 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 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 <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "cpu.h"
#include "exec/exec-all.h"
#include "exec/helper-proto.h"
void HELPER(rfe)(CPUOpenRISCState *env)
{
OpenRISCCPU *cpu = openrisc_env_get_cpu(env);
CPUState *cs = CPU(cpu);
#ifndef CONFIG_USER_ONLY
int need_flush_tlb = (cpu->env.sr & (SR_SM | SR_IME | SR_DME)) ^
(cpu->env.esr & (SR_SM | SR_IME | SR_DME));
#endif
cpu->env.pc = cpu->env.epcr;
cpu->env.npc = cpu->env.epcr;
cpu->env.sr = cpu->env.esr;
#ifndef CONFIG_USER_ONLY
if (cpu->env.sr & SR_DME) {
cpu->env.tlb->cpu_openrisc_map_address_data =
&cpu_openrisc_get_phys_data;
} else {
cpu->env.tlb->cpu_openrisc_map_address_data =
&cpu_openrisc_get_phys_nommu;
}
if (cpu->env.sr & SR_IME) {
cpu->env.tlb->cpu_openrisc_map_address_code =
&cpu_openrisc_get_phys_code;
} else {
cpu->env.tlb->cpu_openrisc_map_address_code =
&cpu_openrisc_get_phys_nommu;
}
if (need_flush_tlb) {
tlb_flush(cs, 1);
}
#endif
cs->interrupt_request |= CPU_INTERRUPT_EXITTB;
}