c92114b1fb
We don't implement any virtual memory in the S390 target so far, so let's add a stub for this now mandatory function. Fixes building of S390 target. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
/*
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* S/390 helpers
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*
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* Copyright (c) 2009 Ulrich Hecht
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "cpu.h"
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#include "exec-all.h"
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#include "gdbstub.h"
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#include "qemu-common.h"
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#include <linux/kvm.h>
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#include "kvm.h"
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CPUS390XState *cpu_s390x_init(const char *cpu_model)
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{
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CPUS390XState *env;
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static int inited = 0;
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env = qemu_mallocz(sizeof(CPUS390XState));
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cpu_exec_init(env);
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if (!inited) {
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inited = 1;
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}
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env->cpu_model_str = cpu_model;
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cpu_reset(env);
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qemu_init_vcpu(env);
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return env;
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}
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void cpu_reset(CPUS390XState *env)
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{
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if (qemu_loglevel_mask(CPU_LOG_RESET)) {
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qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
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log_cpu_state(env, 0);
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}
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memset(env, 0, offsetof(CPUS390XState, breakpoints));
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/* FIXME: reset vector? */
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tlb_flush(env, 1);
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}
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target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
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{
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return 0;
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}
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#ifndef CONFIG_USER_ONLY
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int cpu_s390x_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
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int mmu_idx, int is_softmmu)
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{
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target_ulong phys;
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int prot;
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/* XXX: implement mmu */
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phys = address;
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prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
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tlb_set_page(env, address & TARGET_PAGE_MASK,
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phys & TARGET_PAGE_MASK, prot,
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mmu_idx, TARGET_PAGE_SIZE);
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return 0;
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}
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#endif /* CONFIG_USER_ONLY */
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