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/*
* QEMU CPU model (system emulation specific)
*
* Copyright (c) 2012-2014 SUSE LINUX Products GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see
* <http://www.gnu.org/licenses/gpl-2.0.html>
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/core/cpu.h"
#include "hw/core/sysemu-cpu-ops.h"
bool cpu_paging_enabled(const CPUState *cpu)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
if (cc->sysemu_ops->get_paging_enabled) {
return cc->sysemu_ops->get_paging_enabled(cpu);
}
return false;
}
bool cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
Error **errp)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
if (cc->sysemu_ops->get_memory_mapping) {
return cc->sysemu_ops->get_memory_mapping(cpu, list, errp);
}
error_setg(errp, "Obtaining memory mappings is unsupported on this CPU.");
return false;
}
hwaddr cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
MemTxAttrs *attrs)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
if (cc->sysemu_ops->get_phys_page_attrs_debug) {
return cc->sysemu_ops->get_phys_page_attrs_debug(cpu, addr, attrs);
}
/* Fallback for CPUs which don't implement the _attrs_ hook */
*attrs = MEMTXATTRS_UNSPECIFIED;
return cc->sysemu_ops->get_phys_page_debug(cpu, addr);
}
hwaddr cpu_get_phys_page_debug(CPUState *cpu, vaddr addr)
{
MemTxAttrs attrs = {};
return cpu_get_phys_page_attrs_debug(cpu, addr, &attrs);
}
int cpu_asidx_from_attrs(CPUState *cpu, MemTxAttrs attrs)
{
int ret = 0;
if (cpu->cc->sysemu_ops->asidx_from_attrs) {
ret = cpu->cc->sysemu_ops->asidx_from_attrs(cpu, attrs);
assert(ret < cpu->num_ases && ret >= 0);
}
return ret;
}
int cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
void *opaque)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
if (!cc->sysemu_ops->write_elf32_qemunote) {
return 0;
}
return (*cc->sysemu_ops->write_elf32_qemunote)(f, cpu, opaque);
}
int cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
int cpuid, void *opaque)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
if (!cc->sysemu_ops->write_elf32_note) {
return -1;
}
return (*cc->sysemu_ops->write_elf32_note)(f, cpu, cpuid, opaque);
}
int cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
void *opaque)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
if (!cc->sysemu_ops->write_elf64_qemunote) {
return 0;
}
return (*cc->sysemu_ops->write_elf64_qemunote)(f, cpu, opaque);
}
int cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
int cpuid, void *opaque)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
if (!cc->sysemu_ops->write_elf64_note) {
return -1;
}
return (*cc->sysemu_ops->write_elf64_note)(f, cpu, cpuid, opaque);
}
bool cpu_virtio_is_big_endian(CPUState *cpu)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
if (cc->sysemu_ops->virtio_is_big_endian) {
return cc->sysemu_ops->virtio_is_big_endian(cpu);
}
return target_words_bigendian();
}
GuestPanicInformation *cpu_get_crash_info(CPUState *cpu)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
GuestPanicInformation *res = NULL;
if (cc->sysemu_ops->get_crash_info) {
res = cc->sysemu_ops->get_crash_info(cpu);
}
return res;
}
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