projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 10ec5117 AG |
1 | /* |
| 2 | * S/390 helpers | |
| 3 | * | |
| 4 | * Copyright (c) 2009 Ulrich Hecht | |
| 5 | * | |
| 6 | * This library is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU Lesser General Public | |
| 8 | * License as published by the Free Software Foundation; either | |
| 9 | * version 2 of the License, or (at your option) any later version. | |
| 10 | * | |
| 11 | * This library is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | * Lesser General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU Lesser General Public | |
| 17 | * License along with this library; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA | |
| 19 | */ | |
| 20 | ||
| 21 | #include <stdio.h> | |
| 22 | #include <stdlib.h> | |
| 23 | #include <string.h> | |
| 24 | ||
| 25 | #include "cpu.h" | |
| 26 | #include "exec-all.h" | |
| 27 | #include "gdbstub.h" | |
| 28 | #include "qemu-common.h" | |
| 29 | ||
| 10c339a0 AG |
30 | #include <linux/kvm.h> |
| 31 | #include "kvm.h" | |
| 32 | ||
| 10ec5117 AG |
33 | CPUS390XState *cpu_s390x_init(const char *cpu_model) |
| 34 | { | |
| 35 | CPUS390XState *env; | |
| 36 | static int inited = 0; | |
| 37 | ||
| 38 | env = qemu_mallocz(sizeof(CPUS390XState)); | |
| 39 | cpu_exec_init(env); | |
| 40 | if (!inited) { | |
| 41 | inited = 1; | |
| 42 | } | |
| 43 | ||
| 44 | env->cpu_model_str = cpu_model; | |
| 45 | cpu_reset(env); | |
| 46 | qemu_init_vcpu(env); | |
| 47 | return env; | |
| 48 | } | |
| 49 | ||
| 50 | target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) | |
| 51 | { | |
| 52 | return addr; | |
| 53 | } | |
| 54 | ||
| 55 | void cpu_reset(CPUS390XState *env) | |
| 56 | { | |
| 57 | if (qemu_loglevel_mask(CPU_LOG_RESET)) { | |
| 58 | qemu_log("CPU Reset (CPU %d)\n", env->cpu_index); | |
| 59 | log_cpu_state(env, 0); | |
| 60 | } | |
| 61 | ||
| 62 | memset(env, 0, offsetof(CPUS390XState, breakpoints)); | |
| 63 | /* FIXME: reset vector? */ | |
| 64 | tlb_flush(env, 1); | |
| 65 | } | |
| 10c339a0 AG |
66 | |
| 67 | #ifndef CONFIG_USER_ONLY | |
| 68 | ||
| 69 | int cpu_s390x_handle_mmu_fault (CPUState *env, target_ulong address, int rw, | |
| 70 | int mmu_idx, int is_softmmu) | |
| 71 | { | |
| 72 | target_ulong phys; | |
| 73 | int prot; | |
| 74 | ||
| 75 | /* XXX: implement mmu */ | |
| 76 | ||
| 77 | phys = address; | |
| 78 | prot = PAGE_READ | PAGE_WRITE; | |
| 79 | ||
| 80 | return tlb_set_page(env, address & TARGET_PAGE_MASK, | |
| 81 | phys & TARGET_PAGE_MASK, prot, | |
| 82 | mmu_idx, is_softmmu); | |
| 83 | } | |
| 84 | #endif /* CONFIG_USER_ONLY */ |