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>
22 #include "qemu-common.h"
23 #if !defined(CONFIG_USER_ONLY)
24 #include "hw/loader.h"
26 #include "sysemu/sysemu.h"
28 static void cp_reg_reset(gpointer key
, gpointer value
, gpointer opaque
)
30 /* Reset a single ARMCPRegInfo register */
31 ARMCPRegInfo
*ri
= value
;
34 if (ri
->type
& ARM_CP_SPECIAL
) {
39 ri
->resetfn(&cpu
->env
, ri
);
43 /* A zero offset is never possible as it would be regs[0]
44 * so we use it to indicate that reset is being handled elsewhere.
45 * This is basically only used for fields in non-core coprocessors
46 * (like the pxa2xx ones).
48 if (!ri
->fieldoffset
) {
52 if (ri
->type
& ARM_CP_64BIT
) {
53 CPREG_FIELD64(&cpu
->env
, ri
) = ri
->resetvalue
;
55 CPREG_FIELD32(&cpu
->env
, ri
) = ri
->resetvalue
;
59 /* CPUClass::reset() */
60 static void arm_cpu_reset(CPUState
*s
)
62 ARMCPU
*cpu
= ARM_CPU(s
);
63 ARMCPUClass
*acc
= ARM_CPU_GET_CLASS(cpu
);
64 CPUARMState
*env
= &cpu
->env
;
66 if (qemu_loglevel_mask(CPU_LOG_RESET
)) {
67 qemu_log("CPU Reset (CPU %d)\n", s
->cpu_index
);
68 log_cpu_state(env
, 0);
73 memset(env
, 0, offsetof(CPUARMState
, breakpoints
));
74 g_hash_table_foreach(cpu
->cp_regs
, cp_reg_reset
, cpu
);
75 env
->vfp
.xregs
[ARM_VFP_FPSID
] = cpu
->reset_fpsid
;
76 env
->vfp
.xregs
[ARM_VFP_MVFR0
] = cpu
->mvfr0
;
77 env
->vfp
.xregs
[ARM_VFP_MVFR1
] = cpu
->mvfr1
;
79 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
80 env
->iwmmxt
.cregs
[ARM_IWMMXT_wCID
] = 0x69051000 | 'Q';
83 #if defined(CONFIG_USER_ONLY)
84 env
->uncached_cpsr
= ARM_CPU_MODE_USR
;
85 /* For user mode we must enable access to coprocessors */
86 env
->vfp
.xregs
[ARM_VFP_FPEXC
] = 1 << 30;
87 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
88 env
->cp15
.c15_cpar
= 3;
89 } else if (arm_feature(env
, ARM_FEATURE_XSCALE
)) {
90 env
->cp15
.c15_cpar
= 1;
93 /* SVC mode with interrupts disabled. */
94 env
->uncached_cpsr
= ARM_CPU_MODE_SVC
| CPSR_A
| CPSR_F
| CPSR_I
;
95 /* On ARMv7-M the CPSR_I is the value of the PRIMASK register, and is
96 clear at reset. Initial SP and PC are loaded from ROM. */
100 env
->uncached_cpsr
&= ~CPSR_I
;
103 /* We should really use ldl_phys here, in case the guest
104 modified flash and reset itself. However images
105 loaded via -kernel have not been copied yet, so load the
106 values directly from there. */
107 env
->regs
[13] = ldl_p(rom
);
110 env
->regs
[15] = pc
& ~1;
113 env
->vfp
.xregs
[ARM_VFP_FPEXC
] = 0;
115 set_flush_to_zero(1, &env
->vfp
.standard_fp_status
);
116 set_flush_inputs_to_zero(1, &env
->vfp
.standard_fp_status
);
117 set_default_nan_mode(1, &env
->vfp
.standard_fp_status
);
118 set_float_detect_tininess(float_tininess_before_rounding
,
119 &env
->vfp
.fp_status
);
120 set_float_detect_tininess(float_tininess_before_rounding
,
121 &env
->vfp
.standard_fp_status
);
123 /* Reset is a state change for some CPUARMState fields which we
124 * bake assumptions about into translated code, so we need to
130 static inline void set_feature(CPUARMState
*env
, int feature
)
132 env
->features
|= 1ULL << feature
;
135 static void arm_cpu_initfn(Object
*obj
)
137 ARMCPU
*cpu
= ARM_CPU(obj
);
139 cpu_exec_init(&cpu
->env
);
140 cpu
->cp_regs
= g_hash_table_new_full(g_int_hash
, g_int_equal
,
144 static void arm_cpu_finalizefn(Object
*obj
)
146 ARMCPU
*cpu
= ARM_CPU(obj
);
147 g_hash_table_destroy(cpu
->cp_regs
);
150 void arm_cpu_realize(ARMCPU
*cpu
)
152 /* This function is called by cpu_arm_init() because it
153 * needs to do common actions based on feature bits, etc
154 * that have been set by the subclass init functions.
155 * When we have QOM realize support it should become
156 * a true realize function instead.
158 CPUARMState
*env
= &cpu
->env
;
159 /* Some features automatically imply others: */
160 if (arm_feature(env
, ARM_FEATURE_V7
)) {
161 set_feature(env
, ARM_FEATURE_VAPA
);
162 set_feature(env
, ARM_FEATURE_THUMB2
);
163 set_feature(env
, ARM_FEATURE_MPIDR
);
164 if (!arm_feature(env
, ARM_FEATURE_M
)) {
165 set_feature(env
, ARM_FEATURE_V6K
);
167 set_feature(env
, ARM_FEATURE_V6
);
170 if (arm_feature(env
, ARM_FEATURE_V6K
)) {
171 set_feature(env
, ARM_FEATURE_V6
);
172 set_feature(env
, ARM_FEATURE_MVFR
);
174 if (arm_feature(env
, ARM_FEATURE_V6
)) {
175 set_feature(env
, ARM_FEATURE_V5
);
176 if (!arm_feature(env
, ARM_FEATURE_M
)) {
177 set_feature(env
, ARM_FEATURE_AUXCR
);
180 if (arm_feature(env
, ARM_FEATURE_V5
)) {
181 set_feature(env
, ARM_FEATURE_V4T
);
183 if (arm_feature(env
, ARM_FEATURE_M
)) {
184 set_feature(env
, ARM_FEATURE_THUMB_DIV
);
186 if (arm_feature(env
, ARM_FEATURE_ARM_DIV
)) {
187 set_feature(env
, ARM_FEATURE_THUMB_DIV
);
189 if (arm_feature(env
, ARM_FEATURE_VFP4
)) {
190 set_feature(env
, ARM_FEATURE_VFP3
);
192 if (arm_feature(env
, ARM_FEATURE_VFP3
)) {
193 set_feature(env
, ARM_FEATURE_VFP
);
195 if (arm_feature(env
, ARM_FEATURE_LPAE
)) {
196 set_feature(env
, ARM_FEATURE_PXN
);
199 register_cp_regs_for_features(cpu
);
204 static ObjectClass
*arm_cpu_class_by_name(const char *cpu_model
)
213 typename
= g_strdup_printf("%s-" TYPE_ARM_CPU
, cpu_model
);
214 oc
= object_class_by_name(typename
);
216 if (!oc
|| !object_class_dynamic_cast(oc
, TYPE_ARM_CPU
) ||
217 object_class_is_abstract(oc
)) {
223 static void arm926_initfn(Object
*obj
)
225 ARMCPU
*cpu
= ARM_CPU(obj
);
226 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
227 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
228 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
229 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_TEST_CLEAN
);
230 cpu
->midr
= 0x41069265;
231 cpu
->reset_fpsid
= 0x41011090;
232 cpu
->ctr
= 0x1dd20d2;
233 cpu
->reset_sctlr
= 0x00090078;
236 static void arm946_initfn(Object
*obj
)
238 ARMCPU
*cpu
= ARM_CPU(obj
);
239 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
240 set_feature(&cpu
->env
, ARM_FEATURE_MPU
);
241 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
242 cpu
->midr
= 0x41059461;
243 cpu
->ctr
= 0x0f004006;
244 cpu
->reset_sctlr
= 0x00000078;
247 static void arm1026_initfn(Object
*obj
)
249 ARMCPU
*cpu
= ARM_CPU(obj
);
250 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
251 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
252 set_feature(&cpu
->env
, ARM_FEATURE_AUXCR
);
253 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
254 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_TEST_CLEAN
);
255 cpu
->midr
= 0x4106a262;
256 cpu
->reset_fpsid
= 0x410110a0;
257 cpu
->ctr
= 0x1dd20d2;
258 cpu
->reset_sctlr
= 0x00090078;
259 cpu
->reset_auxcr
= 1;
261 /* The 1026 had an IFAR at c6,c0,0,1 rather than the ARMv6 c6,c0,0,2 */
262 ARMCPRegInfo ifar
= {
263 .name
= "IFAR", .cp
= 15, .crn
= 6, .crm
= 0, .opc1
= 0, .opc2
= 1,
265 .fieldoffset
= offsetof(CPUARMState
, cp15
.c6_insn
),
268 define_one_arm_cp_reg(cpu
, &ifar
);
272 static void arm1136_r2_initfn(Object
*obj
)
274 ARMCPU
*cpu
= ARM_CPU(obj
);
275 /* What qemu calls "arm1136_r2" is actually the 1136 r0p2, ie an
276 * older core than plain "arm1136". In particular this does not
277 * have the v6K features.
278 * These ID register values are correct for 1136 but may be wrong
279 * for 1136_r2 (in particular r0p2 does not actually implement most
280 * of the ID registers).
282 set_feature(&cpu
->env
, ARM_FEATURE_V6
);
283 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
284 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
285 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
286 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
287 cpu
->midr
= 0x4107b362;
288 cpu
->reset_fpsid
= 0x410120b4;
289 cpu
->mvfr0
= 0x11111111;
290 cpu
->mvfr1
= 0x00000000;
291 cpu
->ctr
= 0x1dd20d2;
292 cpu
->reset_sctlr
= 0x00050078;
293 cpu
->id_pfr0
= 0x111;
297 cpu
->id_mmfr0
= 0x01130003;
298 cpu
->id_mmfr1
= 0x10030302;
299 cpu
->id_mmfr2
= 0x01222110;
300 cpu
->id_isar0
= 0x00140011;
301 cpu
->id_isar1
= 0x12002111;
302 cpu
->id_isar2
= 0x11231111;
303 cpu
->id_isar3
= 0x01102131;
304 cpu
->id_isar4
= 0x141;
305 cpu
->reset_auxcr
= 7;
308 static void arm1136_initfn(Object
*obj
)
310 ARMCPU
*cpu
= ARM_CPU(obj
);
311 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
312 set_feature(&cpu
->env
, ARM_FEATURE_V6
);
313 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
314 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
315 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
316 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
317 cpu
->midr
= 0x4117b363;
318 cpu
->reset_fpsid
= 0x410120b4;
319 cpu
->mvfr0
= 0x11111111;
320 cpu
->mvfr1
= 0x00000000;
321 cpu
->ctr
= 0x1dd20d2;
322 cpu
->reset_sctlr
= 0x00050078;
323 cpu
->id_pfr0
= 0x111;
327 cpu
->id_mmfr0
= 0x01130003;
328 cpu
->id_mmfr1
= 0x10030302;
329 cpu
->id_mmfr2
= 0x01222110;
330 cpu
->id_isar0
= 0x00140011;
331 cpu
->id_isar1
= 0x12002111;
332 cpu
->id_isar2
= 0x11231111;
333 cpu
->id_isar3
= 0x01102131;
334 cpu
->id_isar4
= 0x141;
335 cpu
->reset_auxcr
= 7;
338 static void arm1176_initfn(Object
*obj
)
340 ARMCPU
*cpu
= ARM_CPU(obj
);
341 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
342 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
343 set_feature(&cpu
->env
, ARM_FEATURE_VAPA
);
344 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
345 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
346 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
347 cpu
->midr
= 0x410fb767;
348 cpu
->reset_fpsid
= 0x410120b5;
349 cpu
->mvfr0
= 0x11111111;
350 cpu
->mvfr1
= 0x00000000;
351 cpu
->ctr
= 0x1dd20d2;
352 cpu
->reset_sctlr
= 0x00050078;
353 cpu
->id_pfr0
= 0x111;
357 cpu
->id_mmfr0
= 0x01130003;
358 cpu
->id_mmfr1
= 0x10030302;
359 cpu
->id_mmfr2
= 0x01222100;
360 cpu
->id_isar0
= 0x0140011;
361 cpu
->id_isar1
= 0x12002111;
362 cpu
->id_isar2
= 0x11231121;
363 cpu
->id_isar3
= 0x01102131;
364 cpu
->id_isar4
= 0x01141;
365 cpu
->reset_auxcr
= 7;
368 static void arm11mpcore_initfn(Object
*obj
)
370 ARMCPU
*cpu
= ARM_CPU(obj
);
371 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
372 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
373 set_feature(&cpu
->env
, ARM_FEATURE_VAPA
);
374 set_feature(&cpu
->env
, ARM_FEATURE_MPIDR
);
375 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
376 cpu
->midr
= 0x410fb022;
377 cpu
->reset_fpsid
= 0x410120b4;
378 cpu
->mvfr0
= 0x11111111;
379 cpu
->mvfr1
= 0x00000000;
380 cpu
->ctr
= 0x1d192992; /* 32K icache 32K dcache */
381 cpu
->id_pfr0
= 0x111;
385 cpu
->id_mmfr0
= 0x01100103;
386 cpu
->id_mmfr1
= 0x10020302;
387 cpu
->id_mmfr2
= 0x01222000;
388 cpu
->id_isar0
= 0x00100011;
389 cpu
->id_isar1
= 0x12002111;
390 cpu
->id_isar2
= 0x11221011;
391 cpu
->id_isar3
= 0x01102131;
392 cpu
->id_isar4
= 0x141;
393 cpu
->reset_auxcr
= 1;
396 static void cortex_m3_initfn(Object
*obj
)
398 ARMCPU
*cpu
= ARM_CPU(obj
);
399 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
400 set_feature(&cpu
->env
, ARM_FEATURE_M
);
401 cpu
->midr
= 0x410fc231;
404 static const ARMCPRegInfo cortexa8_cp_reginfo
[] = {
405 { .name
= "L2LOCKDOWN", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 0,
406 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
407 { .name
= "L2AUXCR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 2,
408 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
412 static void cortex_a8_initfn(Object
*obj
)
414 ARMCPU
*cpu
= ARM_CPU(obj
);
415 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
416 set_feature(&cpu
->env
, ARM_FEATURE_VFP3
);
417 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
418 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
419 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
420 cpu
->midr
= 0x410fc080;
421 cpu
->reset_fpsid
= 0x410330c0;
422 cpu
->mvfr0
= 0x11110222;
423 cpu
->mvfr1
= 0x00011100;
424 cpu
->ctr
= 0x82048004;
425 cpu
->reset_sctlr
= 0x00c50078;
426 cpu
->id_pfr0
= 0x1031;
428 cpu
->id_dfr0
= 0x400;
430 cpu
->id_mmfr0
= 0x31100003;
431 cpu
->id_mmfr1
= 0x20000000;
432 cpu
->id_mmfr2
= 0x01202000;
433 cpu
->id_mmfr3
= 0x11;
434 cpu
->id_isar0
= 0x00101111;
435 cpu
->id_isar1
= 0x12112111;
436 cpu
->id_isar2
= 0x21232031;
437 cpu
->id_isar3
= 0x11112131;
438 cpu
->id_isar4
= 0x00111142;
439 cpu
->clidr
= (1 << 27) | (2 << 24) | 3;
440 cpu
->ccsidr
[0] = 0xe007e01a; /* 16k L1 dcache. */
441 cpu
->ccsidr
[1] = 0x2007e01a; /* 16k L1 icache. */
442 cpu
->ccsidr
[2] = 0xf0000000; /* No L2 icache. */
443 cpu
->reset_auxcr
= 2;
444 define_arm_cp_regs(cpu
, cortexa8_cp_reginfo
);
447 static const ARMCPRegInfo cortexa9_cp_reginfo
[] = {
448 /* power_control should be set to maximum latency. Again,
449 * default to 0 and set by private hook
451 { .name
= "A9_PWRCTL", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 0,
452 .access
= PL1_RW
, .resetvalue
= 0,
453 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_power_control
) },
454 { .name
= "A9_DIAG", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 1,
455 .access
= PL1_RW
, .resetvalue
= 0,
456 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_diagnostic
) },
457 { .name
= "A9_PWRDIAG", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 2,
458 .access
= PL1_RW
, .resetvalue
= 0,
459 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_power_diagnostic
) },
460 { .name
= "NEONBUSY", .cp
= 15, .crn
= 15, .crm
= 1, .opc1
= 0, .opc2
= 0,
461 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
462 /* TLB lockdown control */
463 { .name
= "TLB_LOCKR", .cp
= 15, .crn
= 15, .crm
= 4, .opc1
= 5, .opc2
= 2,
464 .access
= PL1_W
, .resetvalue
= 0, .type
= ARM_CP_NOP
},
465 { .name
= "TLB_LOCKW", .cp
= 15, .crn
= 15, .crm
= 4, .opc1
= 5, .opc2
= 4,
466 .access
= PL1_W
, .resetvalue
= 0, .type
= ARM_CP_NOP
},
467 { .name
= "TLB_VA", .cp
= 15, .crn
= 15, .crm
= 5, .opc1
= 5, .opc2
= 2,
468 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
469 { .name
= "TLB_PA", .cp
= 15, .crn
= 15, .crm
= 6, .opc1
= 5, .opc2
= 2,
470 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
471 { .name
= "TLB_ATTR", .cp
= 15, .crn
= 15, .crm
= 7, .opc1
= 5, .opc2
= 2,
472 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
476 static void cortex_a9_initfn(Object
*obj
)
478 ARMCPU
*cpu
= ARM_CPU(obj
);
479 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
480 set_feature(&cpu
->env
, ARM_FEATURE_VFP3
);
481 set_feature(&cpu
->env
, ARM_FEATURE_VFP_FP16
);
482 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
483 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
484 /* Note that A9 supports the MP extensions even for
485 * A9UP and single-core A9MP (which are both different
486 * and valid configurations; we don't model A9UP).
488 set_feature(&cpu
->env
, ARM_FEATURE_V7MP
);
489 cpu
->midr
= 0x410fc090;
490 cpu
->reset_fpsid
= 0x41033090;
491 cpu
->mvfr0
= 0x11110222;
492 cpu
->mvfr1
= 0x01111111;
493 cpu
->ctr
= 0x80038003;
494 cpu
->reset_sctlr
= 0x00c50078;
495 cpu
->id_pfr0
= 0x1031;
497 cpu
->id_dfr0
= 0x000;
499 cpu
->id_mmfr0
= 0x00100103;
500 cpu
->id_mmfr1
= 0x20000000;
501 cpu
->id_mmfr2
= 0x01230000;
502 cpu
->id_mmfr3
= 0x00002111;
503 cpu
->id_isar0
= 0x00101111;
504 cpu
->id_isar1
= 0x13112111;
505 cpu
->id_isar2
= 0x21232041;
506 cpu
->id_isar3
= 0x11112131;
507 cpu
->id_isar4
= 0x00111142;
508 cpu
->clidr
= (1 << 27) | (1 << 24) | 3;
509 cpu
->ccsidr
[0] = 0xe00fe015; /* 16k L1 dcache. */
510 cpu
->ccsidr
[1] = 0x200fe015; /* 16k L1 icache. */
512 ARMCPRegInfo cbar
= {
513 .name
= "CBAR", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 4,
514 .opc2
= 0, .access
= PL1_R
|PL3_W
, .resetvalue
= cpu
->reset_cbar
,
515 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_config_base_address
)
517 define_one_arm_cp_reg(cpu
, &cbar
);
518 define_arm_cp_regs(cpu
, cortexa9_cp_reginfo
);
522 #ifndef CONFIG_USER_ONLY
523 static int a15_l2ctlr_read(CPUARMState
*env
, const ARMCPRegInfo
*ri
,
526 /* Linux wants the number of processors from here.
527 * Might as well set the interrupt-controller bit too.
529 *value
= ((smp_cpus
- 1) << 24) | (1 << 23);
534 static const ARMCPRegInfo cortexa15_cp_reginfo
[] = {
535 #ifndef CONFIG_USER_ONLY
536 { .name
= "L2CTLR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 2,
537 .access
= PL1_RW
, .resetvalue
= 0, .readfn
= a15_l2ctlr_read
,
538 .writefn
= arm_cp_write_ignore
, },
540 { .name
= "L2ECTLR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 3,
541 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
545 static void cortex_a15_initfn(Object
*obj
)
547 ARMCPU
*cpu
= ARM_CPU(obj
);
548 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
549 set_feature(&cpu
->env
, ARM_FEATURE_VFP4
);
550 set_feature(&cpu
->env
, ARM_FEATURE_VFP_FP16
);
551 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
552 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
553 set_feature(&cpu
->env
, ARM_FEATURE_ARM_DIV
);
554 set_feature(&cpu
->env
, ARM_FEATURE_V7MP
);
555 set_feature(&cpu
->env
, ARM_FEATURE_GENERIC_TIMER
);
556 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
557 set_feature(&cpu
->env
, ARM_FEATURE_LPAE
);
558 cpu
->midr
= 0x412fc0f1;
559 cpu
->reset_fpsid
= 0x410430f0;
560 cpu
->mvfr0
= 0x10110222;
561 cpu
->mvfr1
= 0x11111111;
562 cpu
->ctr
= 0x8444c004;
563 cpu
->reset_sctlr
= 0x00c50078;
564 cpu
->id_pfr0
= 0x00001131;
565 cpu
->id_pfr1
= 0x00011011;
566 cpu
->id_dfr0
= 0x02010555;
567 cpu
->id_afr0
= 0x00000000;
568 cpu
->id_mmfr0
= 0x10201105;
569 cpu
->id_mmfr1
= 0x20000000;
570 cpu
->id_mmfr2
= 0x01240000;
571 cpu
->id_mmfr3
= 0x02102211;
572 cpu
->id_isar0
= 0x02101110;
573 cpu
->id_isar1
= 0x13112111;
574 cpu
->id_isar2
= 0x21232041;
575 cpu
->id_isar3
= 0x11112131;
576 cpu
->id_isar4
= 0x10011142;
577 cpu
->clidr
= 0x0a200023;
578 cpu
->ccsidr
[0] = 0x701fe00a; /* 32K L1 dcache */
579 cpu
->ccsidr
[1] = 0x201fe00a; /* 32K L1 icache */
580 cpu
->ccsidr
[2] = 0x711fe07a; /* 4096K L2 unified cache */
581 define_arm_cp_regs(cpu
, cortexa15_cp_reginfo
);
584 static void ti925t_initfn(Object
*obj
)
586 ARMCPU
*cpu
= ARM_CPU(obj
);
587 set_feature(&cpu
->env
, ARM_FEATURE_V4T
);
588 set_feature(&cpu
->env
, ARM_FEATURE_OMAPCP
);
589 cpu
->midr
= ARM_CPUID_TI925T
;
590 cpu
->ctr
= 0x5109149;
591 cpu
->reset_sctlr
= 0x00000070;
594 static void sa1100_initfn(Object
*obj
)
596 ARMCPU
*cpu
= ARM_CPU(obj
);
597 set_feature(&cpu
->env
, ARM_FEATURE_STRONGARM
);
598 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
599 cpu
->midr
= 0x4401A11B;
600 cpu
->reset_sctlr
= 0x00000070;
603 static void sa1110_initfn(Object
*obj
)
605 ARMCPU
*cpu
= ARM_CPU(obj
);
606 set_feature(&cpu
->env
, ARM_FEATURE_STRONGARM
);
607 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
608 cpu
->midr
= 0x6901B119;
609 cpu
->reset_sctlr
= 0x00000070;
612 static void pxa250_initfn(Object
*obj
)
614 ARMCPU
*cpu
= ARM_CPU(obj
);
615 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
616 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
617 cpu
->midr
= 0x69052100;
618 cpu
->ctr
= 0xd172172;
619 cpu
->reset_sctlr
= 0x00000078;
622 static void pxa255_initfn(Object
*obj
)
624 ARMCPU
*cpu
= ARM_CPU(obj
);
625 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
626 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
627 cpu
->midr
= 0x69052d00;
628 cpu
->ctr
= 0xd172172;
629 cpu
->reset_sctlr
= 0x00000078;
632 static void pxa260_initfn(Object
*obj
)
634 ARMCPU
*cpu
= ARM_CPU(obj
);
635 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
636 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
637 cpu
->midr
= 0x69052903;
638 cpu
->ctr
= 0xd172172;
639 cpu
->reset_sctlr
= 0x00000078;
642 static void pxa261_initfn(Object
*obj
)
644 ARMCPU
*cpu
= ARM_CPU(obj
);
645 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
646 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
647 cpu
->midr
= 0x69052d05;
648 cpu
->ctr
= 0xd172172;
649 cpu
->reset_sctlr
= 0x00000078;
652 static void pxa262_initfn(Object
*obj
)
654 ARMCPU
*cpu
= ARM_CPU(obj
);
655 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
656 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
657 cpu
->midr
= 0x69052d06;
658 cpu
->ctr
= 0xd172172;
659 cpu
->reset_sctlr
= 0x00000078;
662 static void pxa270a0_initfn(Object
*obj
)
664 ARMCPU
*cpu
= ARM_CPU(obj
);
665 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
666 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
667 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
668 cpu
->midr
= 0x69054110;
669 cpu
->ctr
= 0xd172172;
670 cpu
->reset_sctlr
= 0x00000078;
673 static void pxa270a1_initfn(Object
*obj
)
675 ARMCPU
*cpu
= ARM_CPU(obj
);
676 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
677 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
678 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
679 cpu
->midr
= 0x69054111;
680 cpu
->ctr
= 0xd172172;
681 cpu
->reset_sctlr
= 0x00000078;
684 static void pxa270b0_initfn(Object
*obj
)
686 ARMCPU
*cpu
= ARM_CPU(obj
);
687 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
688 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
689 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
690 cpu
->midr
= 0x69054112;
691 cpu
->ctr
= 0xd172172;
692 cpu
->reset_sctlr
= 0x00000078;
695 static void pxa270b1_initfn(Object
*obj
)
697 ARMCPU
*cpu
= ARM_CPU(obj
);
698 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
699 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
700 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
701 cpu
->midr
= 0x69054113;
702 cpu
->ctr
= 0xd172172;
703 cpu
->reset_sctlr
= 0x00000078;
706 static void pxa270c0_initfn(Object
*obj
)
708 ARMCPU
*cpu
= ARM_CPU(obj
);
709 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
710 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
711 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
712 cpu
->midr
= 0x69054114;
713 cpu
->ctr
= 0xd172172;
714 cpu
->reset_sctlr
= 0x00000078;
717 static void pxa270c5_initfn(Object
*obj
)
719 ARMCPU
*cpu
= ARM_CPU(obj
);
720 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
721 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
722 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
723 cpu
->midr
= 0x69054117;
724 cpu
->ctr
= 0xd172172;
725 cpu
->reset_sctlr
= 0x00000078;
728 static void arm_any_initfn(Object
*obj
)
730 ARMCPU
*cpu
= ARM_CPU(obj
);
731 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
732 set_feature(&cpu
->env
, ARM_FEATURE_VFP4
);
733 set_feature(&cpu
->env
, ARM_FEATURE_VFP_FP16
);
734 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
735 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
736 set_feature(&cpu
->env
, ARM_FEATURE_ARM_DIV
);
737 set_feature(&cpu
->env
, ARM_FEATURE_V7MP
);
738 cpu
->midr
= 0xffffffff;
741 typedef struct ARMCPUInfo
{
743 void (*initfn
)(Object
*obj
);
746 static const ARMCPUInfo arm_cpus
[] = {
747 { .name
= "arm926", .initfn
= arm926_initfn
},
748 { .name
= "arm946", .initfn
= arm946_initfn
},
749 { .name
= "arm1026", .initfn
= arm1026_initfn
},
750 /* What QEMU calls "arm1136-r2" is actually the 1136 r0p2, i.e. an
751 * older core than plain "arm1136". In particular this does not
752 * have the v6K features.
754 { .name
= "arm1136-r2", .initfn
= arm1136_r2_initfn
},
755 { .name
= "arm1136", .initfn
= arm1136_initfn
},
756 { .name
= "arm1176", .initfn
= arm1176_initfn
},
757 { .name
= "arm11mpcore", .initfn
= arm11mpcore_initfn
},
758 { .name
= "cortex-m3", .initfn
= cortex_m3_initfn
},
759 { .name
= "cortex-a8", .initfn
= cortex_a8_initfn
},
760 { .name
= "cortex-a9", .initfn
= cortex_a9_initfn
},
761 { .name
= "cortex-a15", .initfn
= cortex_a15_initfn
},
762 { .name
= "ti925t", .initfn
= ti925t_initfn
},
763 { .name
= "sa1100", .initfn
= sa1100_initfn
},
764 { .name
= "sa1110", .initfn
= sa1110_initfn
},
765 { .name
= "pxa250", .initfn
= pxa250_initfn
},
766 { .name
= "pxa255", .initfn
= pxa255_initfn
},
767 { .name
= "pxa260", .initfn
= pxa260_initfn
},
768 { .name
= "pxa261", .initfn
= pxa261_initfn
},
769 { .name
= "pxa262", .initfn
= pxa262_initfn
},
770 /* "pxa270" is an alias for "pxa270-a0" */
771 { .name
= "pxa270", .initfn
= pxa270a0_initfn
},
772 { .name
= "pxa270-a0", .initfn
= pxa270a0_initfn
},
773 { .name
= "pxa270-a1", .initfn
= pxa270a1_initfn
},
774 { .name
= "pxa270-b0", .initfn
= pxa270b0_initfn
},
775 { .name
= "pxa270-b1", .initfn
= pxa270b1_initfn
},
776 { .name
= "pxa270-c0", .initfn
= pxa270c0_initfn
},
777 { .name
= "pxa270-c5", .initfn
= pxa270c5_initfn
},
778 { .name
= "any", .initfn
= arm_any_initfn
},
781 static void arm_cpu_class_init(ObjectClass
*oc
, void *data
)
783 ARMCPUClass
*acc
= ARM_CPU_CLASS(oc
);
784 CPUClass
*cc
= CPU_CLASS(acc
);
786 acc
->parent_reset
= cc
->reset
;
787 cc
->reset
= arm_cpu_reset
;
789 cc
->class_by_name
= arm_cpu_class_by_name
;
792 static void cpu_register(const ARMCPUInfo
*info
)
794 TypeInfo type_info
= {
795 .parent
= TYPE_ARM_CPU
,
796 .instance_size
= sizeof(ARMCPU
),
797 .instance_init
= info
->initfn
,
798 .class_size
= sizeof(ARMCPUClass
),
801 type_info
.name
= g_strdup_printf("%s-" TYPE_ARM_CPU
, info
->name
);
802 type_register(&type_info
);
803 g_free((void *)type_info
.name
);
806 static const TypeInfo arm_cpu_type_info
= {
807 .name
= TYPE_ARM_CPU
,
809 .instance_size
= sizeof(ARMCPU
),
810 .instance_init
= arm_cpu_initfn
,
811 .instance_finalize
= arm_cpu_finalizefn
,
813 .class_size
= sizeof(ARMCPUClass
),
814 .class_init
= arm_cpu_class_init
,
817 static void arm_cpu_register_types(void)
821 type_register_static(&arm_cpu_type_info
);
822 for (i
= 0; i
< ARRAY_SIZE(arm_cpus
); i
++) {
823 cpu_register(&arm_cpus
[i
]);
827 type_init(arm_cpu_register_types
)