LXR qemu/target/microblaze/machine.c

   1/*
   2 *  Microblaze VMState for qemu.
   3 *
   4 *  Copyright (c) 2020 Linaro, Ltd.
   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 2.1 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, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20#include "qemu/osdep.h"
  21#include "cpu.h"
  22#include "migration/cpu.h"
  23
  24
  25static VMStateField vmstate_mmu_fields[] = {
  26    VMSTATE_UINT64_2DARRAY(rams, MicroBlazeMMU, 2, TLB_ENTRIES),
  27    VMSTATE_UINT8_ARRAY(tids, MicroBlazeMMU, TLB_ENTRIES),
  28    VMSTATE_UINT32_ARRAY(regs, MicroBlazeMMU, 3),
  29    VMSTATE_END_OF_LIST()
  30};
  31
  32static const VMStateDescription vmstate_mmu = {
  33    .name = "mmu",
  34    .version_id = 0,
  35    .minimum_version_id = 0,
  36    .fields = vmstate_mmu_fields,
  37};
  38
  39static int get_msr(QEMUFile *f, void *opaque, size_t size,
  40                   const VMStateField *field)
  41{
  42    CPUMBState *env = container_of(opaque, CPUMBState, msr);
  43
  44    mb_cpu_write_msr(env, qemu_get_be32(f));
  45    return 0;
  46}
  47
  48static int put_msr(QEMUFile *f, void *opaque, size_t size,
  49                   const VMStateField *field, JSONWriter *vmdesc)
  50{
  51    CPUMBState *env = container_of(opaque, CPUMBState, msr);
  52
  53    qemu_put_be32(f, mb_cpu_read_msr(env));
  54    return 0;
  55}
  56
  57static const VMStateInfo vmstate_msr = {
  58    .name = "msr",
  59    .get = get_msr,
  60    .put = put_msr,
  61};
  62
  63static VMStateField vmstate_env_fields[] = {
  64    VMSTATE_UINT32_ARRAY(regs, CPUMBState, 32),
  65
  66    VMSTATE_UINT32(pc, CPUMBState),
  67    VMSTATE_SINGLE(msr, CPUMBState, 0, vmstate_msr, uint32_t),
  68    VMSTATE_UINT32(esr, CPUMBState),
  69    VMSTATE_UINT32(fsr, CPUMBState),
  70    VMSTATE_UINT32(btr, CPUMBState),
  71    VMSTATE_UINT32(edr, CPUMBState),
  72    VMSTATE_UINT32(slr, CPUMBState),
  73    VMSTATE_UINT32(shr, CPUMBState),
  74    VMSTATE_UINT64(ear, CPUMBState),
  75
  76    VMSTATE_UINT32(btarget, CPUMBState),
  77    VMSTATE_UINT32(imm, CPUMBState),
  78    VMSTATE_UINT32(iflags, CPUMBState),
  79
  80    VMSTATE_UINT32(res_val, CPUMBState),
  81    VMSTATE_UINTTL(res_addr, CPUMBState),
  82
  83    VMSTATE_STRUCT(mmu, CPUMBState, 0, vmstate_mmu, MicroBlazeMMU),
  84
  85    VMSTATE_END_OF_LIST()
  86};
  87
  88static const VMStateDescription vmstate_env = {
  89    .name = "env",
  90    .version_id = 0,
  91    .minimum_version_id = 0,
  92    .fields = vmstate_env_fields,
  93};
  94
  95static VMStateField vmstate_cpu_fields[] = {
  96    VMSTATE_CPU(),
  97    VMSTATE_STRUCT(env, MicroBlazeCPU, 1, vmstate_env, CPUMBState),
  98    VMSTATE_END_OF_LIST()
  99};
 100
 101const VMStateDescription vmstate_mb_cpu = {
 102    .name = "cpu",
 103    .version_id = 0,
 104    .minimum_version_id = 0,
 105    .fields = vmstate_cpu_fields,
 106};
 107