1 /* 2 * OpenRISC Machine 3 * 4 * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com> 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, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #include "qemu/osdep.h" 21 #include "qemu-common.h" 22 #include "cpu.h" 23 #include "hw/hw.h" 24 #include "hw/boards.h" 25 #include "migration/cpu.h" 26 27 static const VMStateDescription vmstate_tlb_entry = { 28 .name = "tlb_entry", 29 .version_id = 1, 30 .minimum_version_id = 1, 31 .minimum_version_id_old = 1, 32 .fields = (VMStateField[]) { 33 VMSTATE_UINTTL(mr, OpenRISCTLBEntry), 34 VMSTATE_UINTTL(tr, OpenRISCTLBEntry), 35 VMSTATE_END_OF_LIST() 36 } 37 }; 38 39 static const VMStateDescription vmstate_cpu_tlb = { 40 .name = "cpu_tlb", 41 .version_id = 2, 42 .minimum_version_id = 2, 43 .fields = (VMStateField[]) { 44 VMSTATE_STRUCT_ARRAY(itlb, CPUOpenRISCTLBContext, TLB_SIZE, 0, 45 vmstate_tlb_entry, OpenRISCTLBEntry), 46 VMSTATE_STRUCT_ARRAY(dtlb, CPUOpenRISCTLBContext, TLB_SIZE, 0, 47 vmstate_tlb_entry, OpenRISCTLBEntry), 48 VMSTATE_END_OF_LIST() 49 } 50 }; 51 52 static int get_sr(QEMUFile *f, void *opaque, size_t size, 53 const VMStateField *field) 54 { 55 CPUOpenRISCState *env = opaque; 56 cpu_set_sr(env, qemu_get_be32(f)); 57 return 0; 58 } 59 60 static int put_sr(QEMUFile *f, void *opaque, size_t size, 61 const VMStateField *field, QJSON *vmdesc) 62 { 63 CPUOpenRISCState *env = opaque; 64 qemu_put_be32(f, cpu_get_sr(env)); 65 return 0; 66 } 67 68 static const VMStateInfo vmstate_sr = { 69 .name = "sr", 70 .get = get_sr, 71 .put = put_sr, 72 }; 73 74 static const VMStateDescription vmstate_env = { 75 .name = "env", 76 .version_id = 6, 77 .minimum_version_id = 6, 78 .fields = (VMStateField[]) { 79 VMSTATE_UINTTL_2DARRAY(shadow_gpr, CPUOpenRISCState, 16, 32), 80 VMSTATE_UINTTL(pc, CPUOpenRISCState), 81 VMSTATE_UINTTL(ppc, CPUOpenRISCState), 82 VMSTATE_UINTTL(jmp_pc, CPUOpenRISCState), 83 VMSTATE_UINTTL(lock_addr, CPUOpenRISCState), 84 VMSTATE_UINTTL(lock_value, CPUOpenRISCState), 85 VMSTATE_UINTTL(epcr, CPUOpenRISCState), 86 VMSTATE_UINTTL(eear, CPUOpenRISCState), 87 88 /* Save the architecture value of the SR, not the internally 89 expanded version. Since this architecture value does not 90 exist in memory to be stored, this requires a but of hoop 91 jumping. We want OFFSET=0 so that we effectively pass ENV 92 to the helper functions, and we need to fill in the name by 93 hand since there's no field of that name. */ 94 { 95 .name = "sr", 96 .version_id = 0, 97 .size = sizeof(uint32_t), 98 .info = &vmstate_sr, 99 .flags = VMS_SINGLE, 100 .offset = 0 101 }, 102 103 VMSTATE_UINT32(vr, CPUOpenRISCState), 104 VMSTATE_UINT32(upr, CPUOpenRISCState), 105 VMSTATE_UINT32(cpucfgr, CPUOpenRISCState), 106 VMSTATE_UINT32(dmmucfgr, CPUOpenRISCState), 107 VMSTATE_UINT32(immucfgr, CPUOpenRISCState), 108 VMSTATE_UINT32(evbar, CPUOpenRISCState), 109 VMSTATE_UINT32(pmr, CPUOpenRISCState), 110 VMSTATE_UINT32(esr, CPUOpenRISCState), 111 VMSTATE_UINT32(fpcsr, CPUOpenRISCState), 112 VMSTATE_UINT64(mac, CPUOpenRISCState), 113 114 VMSTATE_STRUCT(tlb, CPUOpenRISCState, 1, 115 vmstate_cpu_tlb, CPUOpenRISCTLBContext), 116 117 VMSTATE_TIMER_PTR(timer, CPUOpenRISCState), 118 VMSTATE_UINT32(ttmr, CPUOpenRISCState), 119 120 VMSTATE_UINT32(picmr, CPUOpenRISCState), 121 VMSTATE_UINT32(picsr, CPUOpenRISCState), 122 123 VMSTATE_END_OF_LIST() 124 } 125 }; 126 127 const VMStateDescription vmstate_openrisc_cpu = { 128 .name = "cpu", 129 .version_id = 1, 130 .minimum_version_id = 1, 131 .fields = (VMStateField[]) { 132 VMSTATE_CPU(), 133 VMSTATE_STRUCT(env, OpenRISCCPU, 1, vmstate_env, CPUOpenRISCState), 134 VMSTATE_END_OF_LIST() 135 } 136 }; 137