4
* Copyright (c) 2013 Linaro Ltd
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>
21
#include "qemu/osdep.h"
22
#include "qapi/error.h"
24
#include "qemu-common.h"
25
#if !defined(CONFIG_USER_ONLY)
26
#include "hw/loader.h"
28
#include "hw/arm/arm.h"
29
#include "sysemu/sysemu.h"
30
#include "sysemu/kvm.h"
32
static inline void set_feature(CPUARMState *env, int feature)
34
env->features |= 1ULL << feature;
37
static inline void unset_feature(CPUARMState *env, int feature)
39
env->features &= ~(1ULL << feature);
42
#ifndef CONFIG_USER_ONLY
43
static uint64_t a57_a53_l2ctlr_read(CPUARMState *env, const ARMCPRegInfo *ri)
45
/* Number of processors is in [25:24]; otherwise we RAZ */
46
return (smp_cpus - 1) << 24;
50
static const ARMCPRegInfo cortex_a57_a53_cp_reginfo[] = {
51
#ifndef CONFIG_USER_ONLY
52
{ .name = "L2CTLR_EL1", .state = ARM_CP_STATE_AA64,
53
.opc0 = 3, .opc1 = 1, .crn = 11, .crm = 0, .opc2 = 2,
54
.access = PL1_RW, .readfn = a57_a53_l2ctlr_read,
55
.writefn = arm_cp_write_ignore },
57
.cp = 15, .opc1 = 1, .crn = 9, .crm = 0, .opc2 = 2,
58
.access = PL1_RW, .readfn = a57_a53_l2ctlr_read,
59
.writefn = arm_cp_write_ignore },
61
{ .name = "L2ECTLR_EL1", .state = ARM_CP_STATE_AA64,
62
.opc0 = 3, .opc1 = 1, .crn = 11, .crm = 0, .opc2 = 3,
63
.access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
65
.cp = 15, .opc1 = 1, .crn = 9, .crm = 0, .opc2 = 3,
66
.access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
67
{ .name = "L2ACTLR", .state = ARM_CP_STATE_BOTH,
68
.opc0 = 3, .opc1 = 1, .crn = 15, .crm = 0, .opc2 = 0,
69
.access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
70
{ .name = "CPUACTLR_EL1", .state = ARM_CP_STATE_AA64,
71
.opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 0,
72
.access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
74
.cp = 15, .opc1 = 0, .crm = 15,
75
.access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
76
{ .name = "CPUECTLR_EL1", .state = ARM_CP_STATE_AA64,
77
.opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 1,
78
.access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
80
.cp = 15, .opc1 = 1, .crm = 15,
81
.access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
82
{ .name = "CPUMERRSR_EL1", .state = ARM_CP_STATE_AA64,
83
.opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 2,
84
.access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
85
{ .name = "CPUMERRSR",
86
.cp = 15, .opc1 = 2, .crm = 15,
87
.access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
88
{ .name = "L2MERRSR_EL1", .state = ARM_CP_STATE_AA64,
89
.opc0 = 3, .opc1 = 1, .crn = 15, .crm = 2, .opc2 = 3,
90
.access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
92
.cp = 15, .opc1 = 3, .crm = 15,
93
.access = PL1_RW, .type = ARM_CP_CONST | ARM_CP_64BIT, .resetvalue = 0 },
97
static void aarch64_a57_initfn(Object *obj)
99
ARMCPU *cpu = ARM_CPU(obj);
101
cpu->dtb_compatible = "arm,cortex-a57";
102
set_feature(&cpu->env, ARM_FEATURE_V8);
103
set_feature(&cpu->env, ARM_FEATURE_VFP4);
104
set_feature(&cpu->env, ARM_FEATURE_NEON);
105
set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
106
set_feature(&cpu->env, ARM_FEATURE_AARCH64);
107
set_feature(&cpu->env, ARM_FEATURE_CBAR_RO);
108
set_feature(&cpu->env, ARM_FEATURE_V8_AES);
109
set_feature(&cpu->env, ARM_FEATURE_V8_SHA1);
110
set_feature(&cpu->env, ARM_FEATURE_V8_SHA256);
111
set_feature(&cpu->env, ARM_FEATURE_V8_PMULL);
112
set_feature(&cpu->env, ARM_FEATURE_CRC);
113
set_feature(&cpu->env, ARM_FEATURE_EL3);
114
set_feature(&cpu->env, ARM_FEATURE_PMU);
115
cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A57;
116
cpu->midr = 0x411fd070;
117
cpu->revidr = 0x00000000;
118
cpu->reset_fpsid = 0x41034070;
119
cpu->mvfr0 = 0x10110222;
120
cpu->mvfr1 = 0x12111111;
121
cpu->mvfr2 = 0x00000043;
122
cpu->ctr = 0x8444c004;
123
cpu->reset_sctlr = 0x00c50838;
124
cpu->id_pfr0 = 0x00000131;
125
cpu->id_pfr1 = 0x00011011;
126
cpu->id_dfr0 = 0x03010066;
127
cpu->id_afr0 = 0x00000000;
128
cpu->id_mmfr0 = 0x10101105;
129
cpu->id_mmfr1 = 0x40000000;
130
cpu->id_mmfr2 = 0x01260000;
131
cpu->id_mmfr3 = 0x02102211;
132
cpu->id_isar0 = 0x02101110;
133
cpu->id_isar1 = 0x13112111;
134
cpu->id_isar2 = 0x21232042;
135
cpu->id_isar3 = 0x01112131;
136
cpu->id_isar4 = 0x00011142;
137
cpu->id_isar5 = 0x00011121;
138
cpu->id_aa64pfr0 = 0x00002222;
139
cpu->id_aa64dfr0 = 0x10305106;
140
cpu->pmceid0 = 0x00000000;
141
cpu->pmceid1 = 0x00000000;
142
cpu->id_aa64isar0 = 0x00011120;
143
cpu->id_aa64mmfr0 = 0x00001124;
144
cpu->dbgdidr = 0x3516d000;
145
cpu->clidr = 0x0a200023;
146
cpu->ccsidr[0] = 0x701fe00a; /* 32KB L1 dcache */
147
cpu->ccsidr[1] = 0x201fe012; /* 48KB L1 icache */
148
cpu->ccsidr[2] = 0x70ffe07a; /* 2048KB L2 cache */
149
cpu->dcz_blocksize = 4; /* 64 bytes */
150
define_arm_cp_regs(cpu, cortex_a57_a53_cp_reginfo);
153
static void aarch64_a53_initfn(Object *obj)
155
ARMCPU *cpu = ARM_CPU(obj);
157
cpu->dtb_compatible = "arm,cortex-a53";
158
set_feature(&cpu->env, ARM_FEATURE_V8);
159
set_feature(&cpu->env, ARM_FEATURE_VFP4);
160
set_feature(&cpu->env, ARM_FEATURE_NEON);
161
set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
162
set_feature(&cpu->env, ARM_FEATURE_AARCH64);
163
set_feature(&cpu->env, ARM_FEATURE_CBAR_RO);
164
set_feature(&cpu->env, ARM_FEATURE_V8_AES);
165
set_feature(&cpu->env, ARM_FEATURE_V8_SHA1);
166
set_feature(&cpu->env, ARM_FEATURE_V8_SHA256);
167
set_feature(&cpu->env, ARM_FEATURE_V8_PMULL);
168
set_feature(&cpu->env, ARM_FEATURE_CRC);
169
set_feature(&cpu->env, ARM_FEATURE_EL3);
170
set_feature(&cpu->env, ARM_FEATURE_PMU);
171
cpu->kvm_target = QEMU_KVM_ARM_TARGET_CORTEX_A53;
172
cpu->midr = 0x410fd034;
173
cpu->revidr = 0x00000000;
174
cpu->reset_fpsid = 0x41034070;
175
cpu->mvfr0 = 0x10110222;
176
cpu->mvfr1 = 0x12111111;
177
cpu->mvfr2 = 0x00000043;
178
cpu->ctr = 0x84448004; /* L1Ip = VIPT */
179
cpu->reset_sctlr = 0x00c50838;
180
cpu->id_pfr0 = 0x00000131;
181
cpu->id_pfr1 = 0x00011011;
182
cpu->id_dfr0 = 0x03010066;
183
cpu->id_afr0 = 0x00000000;
184
cpu->id_mmfr0 = 0x10101105;
185
cpu->id_mmfr1 = 0x40000000;
186
cpu->id_mmfr2 = 0x01260000;
187
cpu->id_mmfr3 = 0x02102211;
188
cpu->id_isar0 = 0x02101110;
189
cpu->id_isar1 = 0x13112111;
190
cpu->id_isar2 = 0x21232042;
191
cpu->id_isar3 = 0x01112131;
192
cpu->id_isar4 = 0x00011142;
193
cpu->id_isar5 = 0x00011121;
194
cpu->id_aa64pfr0 = 0x00002222;
195
cpu->id_aa64dfr0 = 0x10305106;
196
cpu->id_aa64isar0 = 0x00011120;
197
cpu->id_aa64mmfr0 = 0x00001122; /* 40 bit physical addr */
198
cpu->dbgdidr = 0x3516d000;
199
cpu->clidr = 0x0a200023;
200
cpu->ccsidr[0] = 0x700fe01a; /* 32KB L1 dcache */
201
cpu->ccsidr[1] = 0x201fe00a; /* 32KB L1 icache */
202
cpu->ccsidr[2] = 0x707fe07a; /* 1024KB L2 cache */
203
cpu->dcz_blocksize = 4; /* 64 bytes */
204
define_arm_cp_regs(cpu, cortex_a57_a53_cp_reginfo);
207
#ifdef CONFIG_USER_ONLY
208
static void aarch64_any_initfn(Object *obj)
210
ARMCPU *cpu = ARM_CPU(obj);
212
set_feature(&cpu->env, ARM_FEATURE_V8);
213
set_feature(&cpu->env, ARM_FEATURE_VFP4);
214
set_feature(&cpu->env, ARM_FEATURE_NEON);
215
set_feature(&cpu->env, ARM_FEATURE_AARCH64);
216
set_feature(&cpu->env, ARM_FEATURE_V8_AES);
217
set_feature(&cpu->env, ARM_FEATURE_V8_SHA1);
218
set_feature(&cpu->env, ARM_FEATURE_V8_SHA256);
219
set_feature(&cpu->env, ARM_FEATURE_V8_PMULL);
220
set_feature(&cpu->env, ARM_FEATURE_CRC);
221
cpu->ctr = 0x80038003; /* 32 byte I and D cacheline size, VIPT icache */
222
cpu->dcz_blocksize = 7; /* 512 bytes */
226
typedef struct ARMCPUInfo {
228
void (*initfn)(Object *obj);
229
void (*class_init)(ObjectClass *oc, void *data);
232
static const ARMCPUInfo aarch64_cpus[] = {
233
{ .name = "cortex-a57", .initfn = aarch64_a57_initfn },
234
{ .name = "cortex-a53", .initfn = aarch64_a53_initfn },
235
#ifdef CONFIG_USER_ONLY
236
{ .name = "any", .initfn = aarch64_any_initfn },
241
static bool aarch64_cpu_get_aarch64(Object *obj, Error **errp)
243
ARMCPU *cpu = ARM_CPU(obj);
245
return arm_feature(&cpu->env, ARM_FEATURE_AARCH64);
248
static void aarch64_cpu_set_aarch64(Object *obj, bool value, Error **errp)
250
ARMCPU *cpu = ARM_CPU(obj);
252
/* At this time, this property is only allowed if KVM is enabled. This
253
* restriction allows us to avoid fixing up functionality that assumes a
254
* uniform execution state like do_interrupt.
256
if (!kvm_enabled()) {
257
error_setg(errp, "'aarch64' feature cannot be disabled "
258
"unless KVM is enabled");
262
if (value == false) {
263
unset_feature(&cpu->env, ARM_FEATURE_AARCH64);
265
set_feature(&cpu->env, ARM_FEATURE_AARCH64);
269
static void aarch64_cpu_initfn(Object *obj)
271
object_property_add_bool(obj, "aarch64", aarch64_cpu_get_aarch64,
272
aarch64_cpu_set_aarch64, NULL);
273
object_property_set_description(obj, "aarch64",
274
"Set on/off to enable/disable aarch64 "
279
static void aarch64_cpu_finalizefn(Object *obj)
283
static void aarch64_cpu_set_pc(CPUState *cs, vaddr value)
285
ARMCPU *cpu = ARM_CPU(cs);
286
/* It's OK to look at env for the current mode here, because it's
287
* never possible for an AArch64 TB to chain to an AArch32 TB.
288
* (Otherwise we would need to use synchronize_from_tb instead.)
290
if (is_a64(&cpu->env)) {
293
cpu->env.regs[15] = value;
297
static gchar *aarch64_gdb_arch_name(CPUState *cs)
299
return g_strdup("aarch64");
302
static void aarch64_cpu_class_init(ObjectClass *oc, void *data)
304
CPUClass *cc = CPU_CLASS(oc);
306
cc->cpu_exec_interrupt = arm_cpu_exec_interrupt;
307
cc->set_pc = aarch64_cpu_set_pc;
308
cc->gdb_read_register = aarch64_cpu_gdb_read_register;
309
cc->gdb_write_register = aarch64_cpu_gdb_write_register;
310
cc->gdb_num_core_regs = 34;
311
cc->gdb_core_xml_file = "aarch64-core.xml";
312
cc->gdb_arch_name = aarch64_gdb_arch_name;
315
static void aarch64_cpu_register(const ARMCPUInfo *info)
317
TypeInfo type_info = {
318
.parent = TYPE_AARCH64_CPU,
319
.instance_size = sizeof(ARMCPU),
320
.instance_init = info->initfn,
321
.class_size = sizeof(ARMCPUClass),
322
.class_init = info->class_init,
325
type_info.name = g_strdup_printf("%s-" TYPE_ARM_CPU, info->name);
326
type_register(&type_info);
327
g_free((void *)type_info.name);
330
static const TypeInfo aarch64_cpu_type_info = {
331
.name = TYPE_AARCH64_CPU,
332
.parent = TYPE_ARM_CPU,
333
.instance_size = sizeof(ARMCPU),
334
.instance_init = aarch64_cpu_initfn,
335
.instance_finalize = aarch64_cpu_finalizefn,
337
.class_size = sizeof(AArch64CPUClass),
338
.class_init = aarch64_cpu_class_init,
341
static void aarch64_cpu_register_types(void)
343
const ARMCPUInfo *info = aarch64_cpus;
345
type_register_static(&aarch64_cpu_type_info);
348
aarch64_cpu_register(info);
353
type_init(aarch64_cpu_register_types)