1 /* 2 * QEMU PowerPC PowerNV CPU Core model 3 * 4 * Copyright (c) 2016, IBM Corporation. 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 License 8 * as published by the Free Software Foundation; either version 2.1 of 9 * the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, but 12 * 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 #ifndef PPC_PNV_CORE_H 21 #define PPC_PNV_CORE_H 22 23 #include "hw/cpu/core.h" 24 #include "target/ppc/cpu.h" 25 #include "hw/ppc/pnv.h" 26 #include "qom/object.h" 27 28 /* Per-core ChipTOD / TimeBase state */ 29 typedef struct PnvCoreTODState { 30 int tb_ready_for_tod; /* core TB ready to receive TOD from chiptod */ 31 int tod_sent_to_tb; /* chiptod sent TOD to the core TB */ 32 33 /* 34 * "Timers" for async TBST events are simulated by mfTFAC because TFAC 35 * is polled for such events. These are just used to ensure firmware 36 * performs the polling at least a few times. 37 */ 38 int tb_state_timer; 39 int tb_sync_pulse_timer; 40 } PnvCoreTODState; 41 42 #define TYPE_PNV_CORE "powernv-cpu-core" 43 OBJECT_DECLARE_TYPE(PnvCore, PnvCoreClass, 44 PNV_CORE) 45 46 struct PnvCore { 47 /*< private >*/ 48 CPUCore parent_obj; 49 50 /*< public >*/ 51 PowerPCCPU **threads; 52 bool big_core; 53 uint32_t pir; 54 uint32_t hwid; 55 uint64_t hrmor; 56 57 target_ulong scratch[8]; /* SPRC/SPRD indirect SCRATCH registers */ 58 PnvCoreTODState tod_state; 59 60 PnvChip *chip; 61 62 MemoryRegion xscom_regs; 63 }; 64 65 struct PnvCoreClass { 66 DeviceClass parent_class; 67 68 const MemoryRegionOps *xscom_ops; 69 uint64_t xscom_size; 70 }; 71 72 #define PNV_CORE_TYPE_SUFFIX "-" TYPE_PNV_CORE 73 #define PNV_CORE_TYPE_NAME(cpu_model) cpu_model PNV_CORE_TYPE_SUFFIX 74 75 typedef struct PnvCPUState { 76 PnvCore *pnv_core; 77 Object *intc; 78 } PnvCPUState; 79 80 static inline PnvCPUState *pnv_cpu_state(PowerPCCPU *cpu) 81 { 82 return (PnvCPUState *)cpu->machine_data; 83 } 84 85 struct PnvQuadClass { 86 DeviceClass parent_class; 87 88 const MemoryRegionOps *xscom_ops; 89 uint64_t xscom_size; 90 91 const MemoryRegionOps *xscom_qme_ops; 92 uint64_t xscom_qme_size; 93 }; 94 95 #define TYPE_PNV_QUAD "powernv-cpu-quad" 96 97 #define PNV_QUAD_TYPE_SUFFIX "-" TYPE_PNV_QUAD 98 #define PNV_QUAD_TYPE_NAME(cpu_model) cpu_model PNV_QUAD_TYPE_SUFFIX 99 100 OBJECT_DECLARE_TYPE(PnvQuad, PnvQuadClass, PNV_QUAD) 101 102 struct PnvQuad { 103 DeviceState parent_obj; 104 105 uint32_t quad_id; 106 MemoryRegion xscom_regs; 107 MemoryRegion xscom_qme_regs; 108 }; 109 #endif /* PPC_PNV_CORE_H */ 110