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