4 * Copyright (c) 2012 SUSE LINUX Products GmbH
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
11 * This program 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
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see
18 * <http://www.gnu.org/licenses/gpl-2.0.html>
20 #ifndef QEMU_ARM_CPU_QOM_H
21 #define QEMU_ARM_CPU_QOM_H
25 #define TYPE_ARM_CPU "arm-cpu"
27 #define ARM_CPU_CLASS(klass) \
28 OBJECT_CLASS_CHECK(ARMCPUClass, (klass), TYPE_ARM_CPU)
29 #define ARM_CPU(obj) \
30 OBJECT_CHECK(ARMCPU, (obj), TYPE_ARM_CPU)
31 #define ARM_CPU_GET_CLASS(obj) \
32 OBJECT_GET_CLASS(ARMCPUClass, (obj), TYPE_ARM_CPU)
36 * @parent_realize: The parent class' realize handler.
37 * @parent_reset: The parent class' reset handler.
41 typedef struct ARMCPUClass {
43 CPUClass parent_class;
46 DeviceRealize parent_realize;
47 void (*parent_reset)(CPUState *cpu);
56 typedef struct ARMCPU {
63 /* Coprocessor information */
65 /* For marshalling (mostly coprocessor) register state between the
66 * kernel and QEMU (for KVM) and between two QEMUs (for migration),
67 * we use these arrays.
69 /* List of register indexes managed via these arrays; (full KVM style
70 * 64 bit indexes, not CPRegInfo 32 bit indexes)
72 uint64_t *cpreg_indexes;
73 /* Values of the registers (cpreg_indexes[i]'s value is cpreg_values[i]) */
74 uint64_t *cpreg_values;
75 /* Length of the indexes, values, reset_values arrays */
76 int32_t cpreg_array_len;
77 /* These are used only for migration: incoming data arrives in
78 * these fields and is sanity checked in post_load before copying
79 * to the working data structures above.
81 uint64_t *cpreg_vmstate_indexes;
82 uint64_t *cpreg_vmstate_values;
83 int32_t cpreg_vmstate_array_len;
85 /* Timers used by the generic (architected) timer */
86 QEMUTimer *gt_timer[NUM_GTIMERS];
87 /* GPIO outputs for generic timer */
88 qemu_irq gt_timer_outputs[NUM_GTIMERS];
90 /* MemoryRegion to use for secure physical accesses */
91 MemoryRegion *secure_memory;
93 /* 'compatible' string for this CPU for Linux device trees */
94 const char *dtb_compatible;
96 /* PSCI version for this CPU
97 * Bits[31:16] = Major Version
98 * Bits[15:0] = Minor Version
100 uint32_t psci_version;
102 /* Should CPU start in PSCI powered-off state? */
103 bool start_powered_off;
104 /* CPU currently in PSCI powered-off state */
106 /* CPU has security extension */
109 /* CPU has memory protection unit */
111 /* PMSAv7 MPU number of supported regions */
112 uint32_t pmsav7_dregion;
114 /* PSCI conduit used to invoke PSCI methods
115 * 0 - disabled, 1 - smc, 2 - hvc
117 uint32_t psci_conduit;
119 /* [QEMU_]KVM_ARM_TARGET_* constant for this CPU, or
120 * QEMU_KVM_ARM_TARGET_NONE if the kernel doesn't support this CPU type.
124 /* KVM init features for this CPU */
125 uint32_t kvm_init_features[7];
127 /* Uniprocessor system with MP extensions */
130 /* The instance init functions for implementation-specific subclasses
131 * set these fields to specify the implementation-dependent values of
132 * various constant registers and reset values of non-constant
134 * Some of these might become QOM properties eventually.
135 * Field names match the official register names as defined in the
136 * ARMv7AR ARM Architecture Reference Manual. A reset_ prefix
137 * is used for reset values of non-constant registers; no reset_
138 * prefix means a constant register.
142 uint32_t reset_fpsid;
147 uint32_t reset_sctlr;
162 uint64_t id_aa64pfr0;
163 uint64_t id_aa64pfr1;
164 uint64_t id_aa64dfr0;
165 uint64_t id_aa64dfr1;
166 uint64_t id_aa64afr0;
167 uint64_t id_aa64afr1;
168 uint64_t id_aa64isar0;
169 uint64_t id_aa64isar1;
170 uint64_t id_aa64mmfr0;
171 uint64_t id_aa64mmfr1;
174 uint64_t mp_affinity; /* MP ID without feature bits */
175 /* The elements of this array are the CCSIDR values for each cache,
176 * in the order L1DCache, L1ICache, L2DCache, L2ICache, etc.
180 uint32_t reset_auxcr;
182 /* DCZ blocksize, in log_2(words), ie low 4 bits of DCZID_EL0 */
183 uint32_t dcz_blocksize;
187 #define TYPE_AARCH64_CPU "aarch64-cpu"
188 #define AARCH64_CPU_CLASS(klass) \
189 OBJECT_CLASS_CHECK(AArch64CPUClass, (klass), TYPE_AARCH64_CPU)
190 #define AARCH64_CPU_GET_CLASS(obj) \
191 OBJECT_GET_CLASS(AArch64CPUClass, (obj), TYPE_AArch64_CPU)
193 typedef struct AArch64CPUClass {
195 ARMCPUClass parent_class;
199 static inline ARMCPU *arm_env_get_cpu(CPUARMState *env)
201 return container_of(env, ARMCPU, env);
204 #define ENV_GET_CPU(e) CPU(arm_env_get_cpu(e))
206 #define ENV_OFFSET offsetof(ARMCPU, env)
208 #ifndef CONFIG_USER_ONLY
209 extern const struct VMStateDescription vmstate_arm_cpu;
212 void register_cp_regs_for_features(ARMCPU *cpu);
213 void init_cpreg_list(ARMCPU *cpu);
215 void arm_cpu_do_interrupt(CPUState *cpu);
216 void arm_v7m_cpu_do_interrupt(CPUState *cpu);
217 bool arm_cpu_exec_interrupt(CPUState *cpu, int int_req);
219 void arm_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
222 hwaddr arm_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
225 int arm_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
226 int arm_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
228 int arm_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs,
229 int cpuid, void *opaque);
230 int arm_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cs,
231 int cpuid, void *opaque);
233 /* Callback functions for the generic timer's timers. */
234 void arm_gt_ptimer_cb(void *opaque);
235 void arm_gt_vtimer_cb(void *opaque);
236 void arm_gt_htimer_cb(void *opaque);
237 void arm_gt_stimer_cb(void *opaque);
239 #define ARM_AFF0_SHIFT 0
240 #define ARM_AFF0_MASK (0xFFULL << ARM_AFF0_SHIFT)
241 #define ARM_AFF1_SHIFT 8
242 #define ARM_AFF1_MASK (0xFFULL << ARM_AFF1_SHIFT)
243 #define ARM_AFF2_SHIFT 16
244 #define ARM_AFF2_MASK (0xFFULL << ARM_AFF2_SHIFT)
245 #define ARM_AFF3_SHIFT 32
246 #define ARM_AFF3_MASK (0xFFULL << ARM_AFF3_SHIFT)
248 #define ARM32_AFFINITY_MASK (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK)
249 #define ARM64_AFFINITY_MASK \
250 (ARM_AFF0_MASK|ARM_AFF1_MASK|ARM_AFF2_MASK|ARM_AFF3_MASK)
252 #ifdef TARGET_AARCH64
253 int aarch64_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
254 int aarch64_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
257 void aarch64_cpu_do_interrupt(CPUState *cs);