diff options
Diffstat (limited to 'target-s390x/helper.c')
-rw-r--r-- | target-s390x/helper.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/target-s390x/helper.c b/target-s390x/helper.c new file mode 100644 index 0000000000..4a198ae32f --- /dev/null +++ b/target-s390x/helper.c @@ -0,0 +1,62 @@ +/* + * S/390 helpers + * + * Copyright (c) 2009 Ulrich Hecht + * + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "cpu.h" +#include "exec-all.h" +#include "gdbstub.h" +#include "qemu-common.h" + +CPUS390XState *cpu_s390x_init(const char *cpu_model) +{ + CPUS390XState *env; + static int inited = 0; + + env = qemu_mallocz(sizeof(CPUS390XState)); + cpu_exec_init(env); + if (!inited) { + inited = 1; + } + + env->cpu_model_str = cpu_model; + cpu_reset(env); + qemu_init_vcpu(env); + return env; +} + +target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) +{ + return addr; +} + +void cpu_reset(CPUS390XState *env) +{ + if (qemu_loglevel_mask(CPU_LOG_RESET)) { + qemu_log("CPU Reset (CPU %d)\n", env->cpu_index); + log_cpu_state(env, 0); + } + + memset(env, 0, offsetof(CPUS390XState, breakpoints)); + /* FIXME: reset vector? */ + tlb_flush(env, 1); +} |