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
)
212 oc
= object_class_by_name(cpu_model
);
213 if (!oc
|| !object_class_dynamic_cast(oc
, TYPE_ARM_CPU
)) {
219 static void arm926_initfn(Object
*obj
)
221 ARMCPU
*cpu
= ARM_CPU(obj
);
222 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
223 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
224 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
225 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_TEST_CLEAN
);
226 cpu
->midr
= 0x41069265;
227 cpu
->reset_fpsid
= 0x41011090;
228 cpu
->ctr
= 0x1dd20d2;
229 cpu
->reset_sctlr
= 0x00090078;
232 static void arm946_initfn(Object
*obj
)
234 ARMCPU
*cpu
= ARM_CPU(obj
);
235 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
236 set_feature(&cpu
->env
, ARM_FEATURE_MPU
);
237 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
238 cpu
->midr
= 0x41059461;
239 cpu
->ctr
= 0x0f004006;
240 cpu
->reset_sctlr
= 0x00000078;
243 static void arm1026_initfn(Object
*obj
)
245 ARMCPU
*cpu
= ARM_CPU(obj
);
246 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
247 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
248 set_feature(&cpu
->env
, ARM_FEATURE_AUXCR
);
249 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
250 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_TEST_CLEAN
);
251 cpu
->midr
= 0x4106a262;
252 cpu
->reset_fpsid
= 0x410110a0;
253 cpu
->ctr
= 0x1dd20d2;
254 cpu
->reset_sctlr
= 0x00090078;
255 cpu
->reset_auxcr
= 1;
257 /* The 1026 had an IFAR at c6,c0,0,1 rather than the ARMv6 c6,c0,0,2 */
258 ARMCPRegInfo ifar
= {
259 .name
= "IFAR", .cp
= 15, .crn
= 6, .crm
= 0, .opc1
= 0, .opc2
= 1,
261 .fieldoffset
= offsetof(CPUARMState
, cp15
.c6_insn
),
264 define_one_arm_cp_reg(cpu
, &ifar
);
268 static void arm1136_r2_initfn(Object
*obj
)
270 ARMCPU
*cpu
= ARM_CPU(obj
);
271 /* What qemu calls "arm1136_r2" is actually the 1136 r0p2, ie an
272 * older core than plain "arm1136". In particular this does not
273 * have the v6K features.
274 * These ID register values are correct for 1136 but may be wrong
275 * for 1136_r2 (in particular r0p2 does not actually implement most
276 * of the ID registers).
278 set_feature(&cpu
->env
, ARM_FEATURE_V6
);
279 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
280 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
281 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
282 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
283 cpu
->midr
= 0x4107b362;
284 cpu
->reset_fpsid
= 0x410120b4;
285 cpu
->mvfr0
= 0x11111111;
286 cpu
->mvfr1
= 0x00000000;
287 cpu
->ctr
= 0x1dd20d2;
288 cpu
->reset_sctlr
= 0x00050078;
289 cpu
->id_pfr0
= 0x111;
293 cpu
->id_mmfr0
= 0x01130003;
294 cpu
->id_mmfr1
= 0x10030302;
295 cpu
->id_mmfr2
= 0x01222110;
296 cpu
->id_isar0
= 0x00140011;
297 cpu
->id_isar1
= 0x12002111;
298 cpu
->id_isar2
= 0x11231111;
299 cpu
->id_isar3
= 0x01102131;
300 cpu
->id_isar4
= 0x141;
301 cpu
->reset_auxcr
= 7;
304 static void arm1136_initfn(Object
*obj
)
306 ARMCPU
*cpu
= ARM_CPU(obj
);
307 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
308 set_feature(&cpu
->env
, ARM_FEATURE_V6
);
309 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
310 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
311 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
312 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
313 cpu
->midr
= 0x4117b363;
314 cpu
->reset_fpsid
= 0x410120b4;
315 cpu
->mvfr0
= 0x11111111;
316 cpu
->mvfr1
= 0x00000000;
317 cpu
->ctr
= 0x1dd20d2;
318 cpu
->reset_sctlr
= 0x00050078;
319 cpu
->id_pfr0
= 0x111;
323 cpu
->id_mmfr0
= 0x01130003;
324 cpu
->id_mmfr1
= 0x10030302;
325 cpu
->id_mmfr2
= 0x01222110;
326 cpu
->id_isar0
= 0x00140011;
327 cpu
->id_isar1
= 0x12002111;
328 cpu
->id_isar2
= 0x11231111;
329 cpu
->id_isar3
= 0x01102131;
330 cpu
->id_isar4
= 0x141;
331 cpu
->reset_auxcr
= 7;
334 static void arm1176_initfn(Object
*obj
)
336 ARMCPU
*cpu
= ARM_CPU(obj
);
337 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
338 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
339 set_feature(&cpu
->env
, ARM_FEATURE_VAPA
);
340 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
341 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_DIRTY_REG
);
342 set_feature(&cpu
->env
, ARM_FEATURE_CACHE_BLOCK_OPS
);
343 cpu
->midr
= 0x410fb767;
344 cpu
->reset_fpsid
= 0x410120b5;
345 cpu
->mvfr0
= 0x11111111;
346 cpu
->mvfr1
= 0x00000000;
347 cpu
->ctr
= 0x1dd20d2;
348 cpu
->reset_sctlr
= 0x00050078;
349 cpu
->id_pfr0
= 0x111;
353 cpu
->id_mmfr0
= 0x01130003;
354 cpu
->id_mmfr1
= 0x10030302;
355 cpu
->id_mmfr2
= 0x01222100;
356 cpu
->id_isar0
= 0x0140011;
357 cpu
->id_isar1
= 0x12002111;
358 cpu
->id_isar2
= 0x11231121;
359 cpu
->id_isar3
= 0x01102131;
360 cpu
->id_isar4
= 0x01141;
361 cpu
->reset_auxcr
= 7;
364 static void arm11mpcore_initfn(Object
*obj
)
366 ARMCPU
*cpu
= ARM_CPU(obj
);
367 set_feature(&cpu
->env
, ARM_FEATURE_V6K
);
368 set_feature(&cpu
->env
, ARM_FEATURE_VFP
);
369 set_feature(&cpu
->env
, ARM_FEATURE_VAPA
);
370 set_feature(&cpu
->env
, ARM_FEATURE_MPIDR
);
371 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
372 cpu
->midr
= 0x410fb022;
373 cpu
->reset_fpsid
= 0x410120b4;
374 cpu
->mvfr0
= 0x11111111;
375 cpu
->mvfr1
= 0x00000000;
376 cpu
->ctr
= 0x1d192992; /* 32K icache 32K dcache */
377 cpu
->id_pfr0
= 0x111;
381 cpu
->id_mmfr0
= 0x01100103;
382 cpu
->id_mmfr1
= 0x10020302;
383 cpu
->id_mmfr2
= 0x01222000;
384 cpu
->id_isar0
= 0x00100011;
385 cpu
->id_isar1
= 0x12002111;
386 cpu
->id_isar2
= 0x11221011;
387 cpu
->id_isar3
= 0x01102131;
388 cpu
->id_isar4
= 0x141;
389 cpu
->reset_auxcr
= 1;
392 static void cortex_m3_initfn(Object
*obj
)
394 ARMCPU
*cpu
= ARM_CPU(obj
);
395 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
396 set_feature(&cpu
->env
, ARM_FEATURE_M
);
397 cpu
->midr
= 0x410fc231;
400 static const ARMCPRegInfo cortexa8_cp_reginfo
[] = {
401 { .name
= "L2LOCKDOWN", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 0,
402 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
403 { .name
= "L2AUXCR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 2,
404 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
408 static void cortex_a8_initfn(Object
*obj
)
410 ARMCPU
*cpu
= ARM_CPU(obj
);
411 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
412 set_feature(&cpu
->env
, ARM_FEATURE_VFP3
);
413 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
414 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
415 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
416 cpu
->midr
= 0x410fc080;
417 cpu
->reset_fpsid
= 0x410330c0;
418 cpu
->mvfr0
= 0x11110222;
419 cpu
->mvfr1
= 0x00011100;
420 cpu
->ctr
= 0x82048004;
421 cpu
->reset_sctlr
= 0x00c50078;
422 cpu
->id_pfr0
= 0x1031;
424 cpu
->id_dfr0
= 0x400;
426 cpu
->id_mmfr0
= 0x31100003;
427 cpu
->id_mmfr1
= 0x20000000;
428 cpu
->id_mmfr2
= 0x01202000;
429 cpu
->id_mmfr3
= 0x11;
430 cpu
->id_isar0
= 0x00101111;
431 cpu
->id_isar1
= 0x12112111;
432 cpu
->id_isar2
= 0x21232031;
433 cpu
->id_isar3
= 0x11112131;
434 cpu
->id_isar4
= 0x00111142;
435 cpu
->clidr
= (1 << 27) | (2 << 24) | 3;
436 cpu
->ccsidr
[0] = 0xe007e01a; /* 16k L1 dcache. */
437 cpu
->ccsidr
[1] = 0x2007e01a; /* 16k L1 icache. */
438 cpu
->ccsidr
[2] = 0xf0000000; /* No L2 icache. */
439 cpu
->reset_auxcr
= 2;
440 define_arm_cp_regs(cpu
, cortexa8_cp_reginfo
);
443 static const ARMCPRegInfo cortexa9_cp_reginfo
[] = {
444 /* power_control should be set to maximum latency. Again,
445 * default to 0 and set by private hook
447 { .name
= "A9_PWRCTL", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 0,
448 .access
= PL1_RW
, .resetvalue
= 0,
449 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_power_control
) },
450 { .name
= "A9_DIAG", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 1,
451 .access
= PL1_RW
, .resetvalue
= 0,
452 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_diagnostic
) },
453 { .name
= "A9_PWRDIAG", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 0, .opc2
= 2,
454 .access
= PL1_RW
, .resetvalue
= 0,
455 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_power_diagnostic
) },
456 { .name
= "NEONBUSY", .cp
= 15, .crn
= 15, .crm
= 1, .opc1
= 0, .opc2
= 0,
457 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
458 /* TLB lockdown control */
459 { .name
= "TLB_LOCKR", .cp
= 15, .crn
= 15, .crm
= 4, .opc1
= 5, .opc2
= 2,
460 .access
= PL1_W
, .resetvalue
= 0, .type
= ARM_CP_NOP
},
461 { .name
= "TLB_LOCKW", .cp
= 15, .crn
= 15, .crm
= 4, .opc1
= 5, .opc2
= 4,
462 .access
= PL1_W
, .resetvalue
= 0, .type
= ARM_CP_NOP
},
463 { .name
= "TLB_VA", .cp
= 15, .crn
= 15, .crm
= 5, .opc1
= 5, .opc2
= 2,
464 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
465 { .name
= "TLB_PA", .cp
= 15, .crn
= 15, .crm
= 6, .opc1
= 5, .opc2
= 2,
466 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
467 { .name
= "TLB_ATTR", .cp
= 15, .crn
= 15, .crm
= 7, .opc1
= 5, .opc2
= 2,
468 .access
= PL1_RW
, .resetvalue
= 0, .type
= ARM_CP_CONST
},
472 static void cortex_a9_initfn(Object
*obj
)
474 ARMCPU
*cpu
= ARM_CPU(obj
);
475 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
476 set_feature(&cpu
->env
, ARM_FEATURE_VFP3
);
477 set_feature(&cpu
->env
, ARM_FEATURE_VFP_FP16
);
478 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
479 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
480 /* Note that A9 supports the MP extensions even for
481 * A9UP and single-core A9MP (which are both different
482 * and valid configurations; we don't model A9UP).
484 set_feature(&cpu
->env
, ARM_FEATURE_V7MP
);
485 cpu
->midr
= 0x410fc090;
486 cpu
->reset_fpsid
= 0x41033090;
487 cpu
->mvfr0
= 0x11110222;
488 cpu
->mvfr1
= 0x01111111;
489 cpu
->ctr
= 0x80038003;
490 cpu
->reset_sctlr
= 0x00c50078;
491 cpu
->id_pfr0
= 0x1031;
493 cpu
->id_dfr0
= 0x000;
495 cpu
->id_mmfr0
= 0x00100103;
496 cpu
->id_mmfr1
= 0x20000000;
497 cpu
->id_mmfr2
= 0x01230000;
498 cpu
->id_mmfr3
= 0x00002111;
499 cpu
->id_isar0
= 0x00101111;
500 cpu
->id_isar1
= 0x13112111;
501 cpu
->id_isar2
= 0x21232041;
502 cpu
->id_isar3
= 0x11112131;
503 cpu
->id_isar4
= 0x00111142;
504 cpu
->clidr
= (1 << 27) | (1 << 24) | 3;
505 cpu
->ccsidr
[0] = 0xe00fe015; /* 16k L1 dcache. */
506 cpu
->ccsidr
[1] = 0x200fe015; /* 16k L1 icache. */
508 ARMCPRegInfo cbar
= {
509 .name
= "CBAR", .cp
= 15, .crn
= 15, .crm
= 0, .opc1
= 4,
510 .opc2
= 0, .access
= PL1_R
|PL3_W
, .resetvalue
= cpu
->reset_cbar
,
511 .fieldoffset
= offsetof(CPUARMState
, cp15
.c15_config_base_address
)
513 define_one_arm_cp_reg(cpu
, &cbar
);
514 define_arm_cp_regs(cpu
, cortexa9_cp_reginfo
);
518 #ifndef CONFIG_USER_ONLY
519 static int a15_l2ctlr_read(CPUARMState
*env
, const ARMCPRegInfo
*ri
,
522 /* Linux wants the number of processors from here.
523 * Might as well set the interrupt-controller bit too.
525 *value
= ((smp_cpus
- 1) << 24) | (1 << 23);
530 static const ARMCPRegInfo cortexa15_cp_reginfo
[] = {
531 #ifndef CONFIG_USER_ONLY
532 { .name
= "L2CTLR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 2,
533 .access
= PL1_RW
, .resetvalue
= 0, .readfn
= a15_l2ctlr_read
,
534 .writefn
= arm_cp_write_ignore
, },
536 { .name
= "L2ECTLR", .cp
= 15, .crn
= 9, .crm
= 0, .opc1
= 1, .opc2
= 3,
537 .access
= PL1_RW
, .type
= ARM_CP_CONST
, .resetvalue
= 0 },
541 static void cortex_a15_initfn(Object
*obj
)
543 ARMCPU
*cpu
= ARM_CPU(obj
);
544 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
545 set_feature(&cpu
->env
, ARM_FEATURE_VFP4
);
546 set_feature(&cpu
->env
, ARM_FEATURE_VFP_FP16
);
547 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
548 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
549 set_feature(&cpu
->env
, ARM_FEATURE_ARM_DIV
);
550 set_feature(&cpu
->env
, ARM_FEATURE_V7MP
);
551 set_feature(&cpu
->env
, ARM_FEATURE_GENERIC_TIMER
);
552 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
553 set_feature(&cpu
->env
, ARM_FEATURE_LPAE
);
554 cpu
->midr
= 0x412fc0f1;
555 cpu
->reset_fpsid
= 0x410430f0;
556 cpu
->mvfr0
= 0x10110222;
557 cpu
->mvfr1
= 0x11111111;
558 cpu
->ctr
= 0x8444c004;
559 cpu
->reset_sctlr
= 0x00c50078;
560 cpu
->id_pfr0
= 0x00001131;
561 cpu
->id_pfr1
= 0x00011011;
562 cpu
->id_dfr0
= 0x02010555;
563 cpu
->id_afr0
= 0x00000000;
564 cpu
->id_mmfr0
= 0x10201105;
565 cpu
->id_mmfr1
= 0x20000000;
566 cpu
->id_mmfr2
= 0x01240000;
567 cpu
->id_mmfr3
= 0x02102211;
568 cpu
->id_isar0
= 0x02101110;
569 cpu
->id_isar1
= 0x13112111;
570 cpu
->id_isar2
= 0x21232041;
571 cpu
->id_isar3
= 0x11112131;
572 cpu
->id_isar4
= 0x10011142;
573 cpu
->clidr
= 0x0a200023;
574 cpu
->ccsidr
[0] = 0x701fe00a; /* 32K L1 dcache */
575 cpu
->ccsidr
[1] = 0x201fe00a; /* 32K L1 icache */
576 cpu
->ccsidr
[2] = 0x711fe07a; /* 4096K L2 unified cache */
577 define_arm_cp_regs(cpu
, cortexa15_cp_reginfo
);
580 static void ti925t_initfn(Object
*obj
)
582 ARMCPU
*cpu
= ARM_CPU(obj
);
583 set_feature(&cpu
->env
, ARM_FEATURE_V4T
);
584 set_feature(&cpu
->env
, ARM_FEATURE_OMAPCP
);
585 cpu
->midr
= ARM_CPUID_TI925T
;
586 cpu
->ctr
= 0x5109149;
587 cpu
->reset_sctlr
= 0x00000070;
590 static void sa1100_initfn(Object
*obj
)
592 ARMCPU
*cpu
= ARM_CPU(obj
);
593 set_feature(&cpu
->env
, ARM_FEATURE_STRONGARM
);
594 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
595 cpu
->midr
= 0x4401A11B;
596 cpu
->reset_sctlr
= 0x00000070;
599 static void sa1110_initfn(Object
*obj
)
601 ARMCPU
*cpu
= ARM_CPU(obj
);
602 set_feature(&cpu
->env
, ARM_FEATURE_STRONGARM
);
603 set_feature(&cpu
->env
, ARM_FEATURE_DUMMY_C15_REGS
);
604 cpu
->midr
= 0x6901B119;
605 cpu
->reset_sctlr
= 0x00000070;
608 static void pxa250_initfn(Object
*obj
)
610 ARMCPU
*cpu
= ARM_CPU(obj
);
611 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
612 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
613 cpu
->midr
= 0x69052100;
614 cpu
->ctr
= 0xd172172;
615 cpu
->reset_sctlr
= 0x00000078;
618 static void pxa255_initfn(Object
*obj
)
620 ARMCPU
*cpu
= ARM_CPU(obj
);
621 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
622 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
623 cpu
->midr
= 0x69052d00;
624 cpu
->ctr
= 0xd172172;
625 cpu
->reset_sctlr
= 0x00000078;
628 static void pxa260_initfn(Object
*obj
)
630 ARMCPU
*cpu
= ARM_CPU(obj
);
631 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
632 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
633 cpu
->midr
= 0x69052903;
634 cpu
->ctr
= 0xd172172;
635 cpu
->reset_sctlr
= 0x00000078;
638 static void pxa261_initfn(Object
*obj
)
640 ARMCPU
*cpu
= ARM_CPU(obj
);
641 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
642 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
643 cpu
->midr
= 0x69052d05;
644 cpu
->ctr
= 0xd172172;
645 cpu
->reset_sctlr
= 0x00000078;
648 static void pxa262_initfn(Object
*obj
)
650 ARMCPU
*cpu
= ARM_CPU(obj
);
651 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
652 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
653 cpu
->midr
= 0x69052d06;
654 cpu
->ctr
= 0xd172172;
655 cpu
->reset_sctlr
= 0x00000078;
658 static void pxa270a0_initfn(Object
*obj
)
660 ARMCPU
*cpu
= ARM_CPU(obj
);
661 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
662 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
663 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
664 cpu
->midr
= 0x69054110;
665 cpu
->ctr
= 0xd172172;
666 cpu
->reset_sctlr
= 0x00000078;
669 static void pxa270a1_initfn(Object
*obj
)
671 ARMCPU
*cpu
= ARM_CPU(obj
);
672 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
673 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
674 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
675 cpu
->midr
= 0x69054111;
676 cpu
->ctr
= 0xd172172;
677 cpu
->reset_sctlr
= 0x00000078;
680 static void pxa270b0_initfn(Object
*obj
)
682 ARMCPU
*cpu
= ARM_CPU(obj
);
683 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
684 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
685 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
686 cpu
->midr
= 0x69054112;
687 cpu
->ctr
= 0xd172172;
688 cpu
->reset_sctlr
= 0x00000078;
691 static void pxa270b1_initfn(Object
*obj
)
693 ARMCPU
*cpu
= ARM_CPU(obj
);
694 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
695 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
696 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
697 cpu
->midr
= 0x69054113;
698 cpu
->ctr
= 0xd172172;
699 cpu
->reset_sctlr
= 0x00000078;
702 static void pxa270c0_initfn(Object
*obj
)
704 ARMCPU
*cpu
= ARM_CPU(obj
);
705 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
706 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
707 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
708 cpu
->midr
= 0x69054114;
709 cpu
->ctr
= 0xd172172;
710 cpu
->reset_sctlr
= 0x00000078;
713 static void pxa270c5_initfn(Object
*obj
)
715 ARMCPU
*cpu
= ARM_CPU(obj
);
716 set_feature(&cpu
->env
, ARM_FEATURE_V5
);
717 set_feature(&cpu
->env
, ARM_FEATURE_XSCALE
);
718 set_feature(&cpu
->env
, ARM_FEATURE_IWMMXT
);
719 cpu
->midr
= 0x69054117;
720 cpu
->ctr
= 0xd172172;
721 cpu
->reset_sctlr
= 0x00000078;
724 static void arm_any_initfn(Object
*obj
)
726 ARMCPU
*cpu
= ARM_CPU(obj
);
727 set_feature(&cpu
->env
, ARM_FEATURE_V7
);
728 set_feature(&cpu
->env
, ARM_FEATURE_VFP4
);
729 set_feature(&cpu
->env
, ARM_FEATURE_VFP_FP16
);
730 set_feature(&cpu
->env
, ARM_FEATURE_NEON
);
731 set_feature(&cpu
->env
, ARM_FEATURE_THUMB2EE
);
732 set_feature(&cpu
->env
, ARM_FEATURE_ARM_DIV
);
733 set_feature(&cpu
->env
, ARM_FEATURE_V7MP
);
734 cpu
->midr
= 0xffffffff;
737 typedef struct ARMCPUInfo
{
739 void (*initfn
)(Object
*obj
);
742 static const ARMCPUInfo arm_cpus
[] = {
743 { .name
= "arm926", .initfn
= arm926_initfn
},
744 { .name
= "arm946", .initfn
= arm946_initfn
},
745 { .name
= "arm1026", .initfn
= arm1026_initfn
},
746 /* What QEMU calls "arm1136-r2" is actually the 1136 r0p2, i.e. an
747 * older core than plain "arm1136". In particular this does not
748 * have the v6K features.
750 { .name
= "arm1136-r2", .initfn
= arm1136_r2_initfn
},
751 { .name
= "arm1136", .initfn
= arm1136_initfn
},
752 { .name
= "arm1176", .initfn
= arm1176_initfn
},
753 { .name
= "arm11mpcore", .initfn
= arm11mpcore_initfn
},
754 { .name
= "cortex-m3", .initfn
= cortex_m3_initfn
},
755 { .name
= "cortex-a8", .initfn
= cortex_a8_initfn
},
756 { .name
= "cortex-a9", .initfn
= cortex_a9_initfn
},
757 { .name
= "cortex-a15", .initfn
= cortex_a15_initfn
},
758 { .name
= "ti925t", .initfn
= ti925t_initfn
},
759 { .name
= "sa1100", .initfn
= sa1100_initfn
},
760 { .name
= "sa1110", .initfn
= sa1110_initfn
},
761 { .name
= "pxa250", .initfn
= pxa250_initfn
},
762 { .name
= "pxa255", .initfn
= pxa255_initfn
},
763 { .name
= "pxa260", .initfn
= pxa260_initfn
},
764 { .name
= "pxa261", .initfn
= pxa261_initfn
},
765 { .name
= "pxa262", .initfn
= pxa262_initfn
},
766 /* "pxa270" is an alias for "pxa270-a0" */
767 { .name
= "pxa270", .initfn
= pxa270a0_initfn
},
768 { .name
= "pxa270-a0", .initfn
= pxa270a0_initfn
},
769 { .name
= "pxa270-a1", .initfn
= pxa270a1_initfn
},
770 { .name
= "pxa270-b0", .initfn
= pxa270b0_initfn
},
771 { .name
= "pxa270-b1", .initfn
= pxa270b1_initfn
},
772 { .name
= "pxa270-c0", .initfn
= pxa270c0_initfn
},
773 { .name
= "pxa270-c5", .initfn
= pxa270c5_initfn
},
774 { .name
= "any", .initfn
= arm_any_initfn
},
777 static void arm_cpu_class_init(ObjectClass
*oc
, void *data
)
779 ARMCPUClass
*acc
= ARM_CPU_CLASS(oc
);
780 CPUClass
*cc
= CPU_CLASS(acc
);
782 acc
->parent_reset
= cc
->reset
;
783 cc
->reset
= arm_cpu_reset
;
785 cc
->class_by_name
= arm_cpu_class_by_name
;
788 static void cpu_register(const ARMCPUInfo
*info
)
790 TypeInfo type_info
= {
792 .parent
= TYPE_ARM_CPU
,
793 .instance_size
= sizeof(ARMCPU
),
794 .instance_init
= info
->initfn
,
795 .class_size
= sizeof(ARMCPUClass
),
798 type_register(&type_info
);
801 static const TypeInfo arm_cpu_type_info
= {
802 .name
= TYPE_ARM_CPU
,
804 .instance_size
= sizeof(ARMCPU
),
805 .instance_init
= arm_cpu_initfn
,
806 .instance_finalize
= arm_cpu_finalizefn
,
808 .class_size
= sizeof(ARMCPUClass
),
809 .class_init
= arm_cpu_class_init
,
812 static void arm_cpu_register_types(void)
816 type_register_static(&arm_cpu_type_info
);
817 for (i
= 0; i
< ARRAY_SIZE(arm_cpus
); i
++) {
818 cpu_register(&arm_cpus
[i
]);
822 type_init(arm_cpu_register_types
)