xref: /openbmc/qemu/target/arm/tcg/cpu32.c (revision abaf3e5b)
1 /*
2  * QEMU ARM TCG-only CPUs.
3  *
4  * Copyright (c) 2012 SUSE LINUX Products GmbH
5  *
6  * This code is licensed under the GNU GPL v2 or later.
7  *
8  * SPDX-License-Identifier: GPL-2.0-or-later
9  */
10 
11 #include "qemu/osdep.h"
12 #include "cpu.h"
13 #include "hw/core/tcg-cpu-ops.h"
14 #include "internals.h"
15 #include "target/arm/idau.h"
16 #if !defined(CONFIG_USER_ONLY)
17 #include "hw/boards.h"
18 #endif
19 #include "cpregs.h"
20 #if !defined(CONFIG_USER_ONLY) && defined(CONFIG_TCG)
21 #include "hw/intc/armv7m_nvic.h"
22 #endif
23 
24 
25 /* Share AArch32 -cpu max features with AArch64. */
26 void aa32_max_features(ARMCPU *cpu)
27 {
28     uint32_t t;
29 
30     /* Add additional features supported by QEMU */
31     t = cpu->isar.id_isar5;
32     t = FIELD_DP32(t, ID_ISAR5, AES, 2);          /* FEAT_PMULL */
33     t = FIELD_DP32(t, ID_ISAR5, SHA1, 1);         /* FEAT_SHA1 */
34     t = FIELD_DP32(t, ID_ISAR5, SHA2, 1);         /* FEAT_SHA256 */
35     t = FIELD_DP32(t, ID_ISAR5, CRC32, 1);
36     t = FIELD_DP32(t, ID_ISAR5, RDM, 1);          /* FEAT_RDM */
37     t = FIELD_DP32(t, ID_ISAR5, VCMA, 1);         /* FEAT_FCMA */
38     cpu->isar.id_isar5 = t;
39 
40     t = cpu->isar.id_isar6;
41     t = FIELD_DP32(t, ID_ISAR6, JSCVT, 1);        /* FEAT_JSCVT */
42     t = FIELD_DP32(t, ID_ISAR6, DP, 1);           /* Feat_DotProd */
43     t = FIELD_DP32(t, ID_ISAR6, FHM, 1);          /* FEAT_FHM */
44     t = FIELD_DP32(t, ID_ISAR6, SB, 1);           /* FEAT_SB */
45     t = FIELD_DP32(t, ID_ISAR6, SPECRES, 1);      /* FEAT_SPECRES */
46     t = FIELD_DP32(t, ID_ISAR6, BF16, 1);         /* FEAT_AA32BF16 */
47     t = FIELD_DP32(t, ID_ISAR6, I8MM, 1);         /* FEAT_AA32I8MM */
48     cpu->isar.id_isar6 = t;
49 
50     t = cpu->isar.mvfr1;
51     t = FIELD_DP32(t, MVFR1, FPHP, 3);            /* FEAT_FP16 */
52     t = FIELD_DP32(t, MVFR1, SIMDHP, 2);          /* FEAT_FP16 */
53     cpu->isar.mvfr1 = t;
54 
55     t = cpu->isar.mvfr2;
56     t = FIELD_DP32(t, MVFR2, SIMDMISC, 3);        /* SIMD MaxNum */
57     t = FIELD_DP32(t, MVFR2, FPMISC, 4);          /* FP MaxNum */
58     cpu->isar.mvfr2 = t;
59 
60     t = cpu->isar.id_mmfr3;
61     t = FIELD_DP32(t, ID_MMFR3, PAN, 2);          /* FEAT_PAN2 */
62     cpu->isar.id_mmfr3 = t;
63 
64     t = cpu->isar.id_mmfr4;
65     t = FIELD_DP32(t, ID_MMFR4, HPDS, 2);         /* FEAT_HPDS2 */
66     t = FIELD_DP32(t, ID_MMFR4, AC2, 1);          /* ACTLR2, HACTLR2 */
67     t = FIELD_DP32(t, ID_MMFR4, CNP, 1);          /* FEAT_TTCNP */
68     t = FIELD_DP32(t, ID_MMFR4, XNX, 1);          /* FEAT_XNX */
69     t = FIELD_DP32(t, ID_MMFR4, EVT, 2);          /* FEAT_EVT */
70     cpu->isar.id_mmfr4 = t;
71 
72     t = cpu->isar.id_mmfr5;
73     t = FIELD_DP32(t, ID_MMFR5, ETS, 1);          /* FEAT_ETS */
74     cpu->isar.id_mmfr5 = t;
75 
76     t = cpu->isar.id_pfr0;
77     t = FIELD_DP32(t, ID_PFR0, CSV2, 2);          /* FEAT_CVS2 */
78     t = FIELD_DP32(t, ID_PFR0, DIT, 1);           /* FEAT_DIT */
79     t = FIELD_DP32(t, ID_PFR0, RAS, 1);           /* FEAT_RAS */
80     cpu->isar.id_pfr0 = t;
81 
82     t = cpu->isar.id_pfr2;
83     t = FIELD_DP32(t, ID_PFR2, CSV3, 1);          /* FEAT_CSV3 */
84     t = FIELD_DP32(t, ID_PFR2, SSBS, 1);          /* FEAT_SSBS */
85     cpu->isar.id_pfr2 = t;
86 
87     t = cpu->isar.id_dfr0;
88     t = FIELD_DP32(t, ID_DFR0, COPDBG, 9);        /* FEAT_Debugv8p4 */
89     t = FIELD_DP32(t, ID_DFR0, COPSDBG, 9);       /* FEAT_Debugv8p4 */
90     t = FIELD_DP32(t, ID_DFR0, PERFMON, 6);       /* FEAT_PMUv3p5 */
91     cpu->isar.id_dfr0 = t;
92 }
93 
94 /* CPU models. These are not needed for the AArch64 linux-user build. */
95 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
96 
97 #if !defined(CONFIG_USER_ONLY)
98 static bool arm_v7m_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
99 {
100     CPUClass *cc = CPU_GET_CLASS(cs);
101     ARMCPU *cpu = ARM_CPU(cs);
102     CPUARMState *env = &cpu->env;
103     bool ret = false;
104 
105     /*
106      * ARMv7-M interrupt masking works differently than -A or -R.
107      * There is no FIQ/IRQ distinction. Instead of I and F bits
108      * masking FIQ and IRQ interrupts, an exception is taken only
109      * if it is higher priority than the current execution priority
110      * (which depends on state like BASEPRI, FAULTMASK and the
111      * currently active exception).
112      */
113     if (interrupt_request & CPU_INTERRUPT_HARD
114         && (armv7m_nvic_can_take_pending_exception(env->nvic))) {
115         cs->exception_index = EXCP_IRQ;
116         cc->tcg_ops->do_interrupt(cs);
117         ret = true;
118     }
119     return ret;
120 }
121 #endif /* !CONFIG_USER_ONLY */
122 
123 static void arm926_initfn(Object *obj)
124 {
125     ARMCPU *cpu = ARM_CPU(obj);
126 
127     cpu->dtb_compatible = "arm,arm926";
128     set_feature(&cpu->env, ARM_FEATURE_V5);
129     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
130     set_feature(&cpu->env, ARM_FEATURE_CACHE_TEST_CLEAN);
131     cpu->midr = 0x41069265;
132     cpu->reset_fpsid = 0x41011090;
133     cpu->ctr = 0x1dd20d2;
134     cpu->reset_sctlr = 0x00090078;
135 
136     /*
137      * ARMv5 does not have the ID_ISAR registers, but we can still
138      * set the field to indicate Jazelle support within QEMU.
139      */
140     cpu->isar.id_isar1 = FIELD_DP32(cpu->isar.id_isar1, ID_ISAR1, JAZELLE, 1);
141     /*
142      * Similarly, we need to set MVFR0 fields to enable vfp and short vector
143      * support even though ARMv5 doesn't have this register.
144      */
145     cpu->isar.mvfr0 = FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPSHVEC, 1);
146     cpu->isar.mvfr0 = FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPSP, 1);
147     cpu->isar.mvfr0 = FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPDP, 1);
148 }
149 
150 static void arm946_initfn(Object *obj)
151 {
152     ARMCPU *cpu = ARM_CPU(obj);
153 
154     cpu->dtb_compatible = "arm,arm946";
155     set_feature(&cpu->env, ARM_FEATURE_V5);
156     set_feature(&cpu->env, ARM_FEATURE_PMSA);
157     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
158     cpu->midr = 0x41059461;
159     cpu->ctr = 0x0f004006;
160     cpu->reset_sctlr = 0x00000078;
161 }
162 
163 static void arm1026_initfn(Object *obj)
164 {
165     ARMCPU *cpu = ARM_CPU(obj);
166 
167     cpu->dtb_compatible = "arm,arm1026";
168     set_feature(&cpu->env, ARM_FEATURE_V5);
169     set_feature(&cpu->env, ARM_FEATURE_AUXCR);
170     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
171     set_feature(&cpu->env, ARM_FEATURE_CACHE_TEST_CLEAN);
172     cpu->midr = 0x4106a262;
173     cpu->reset_fpsid = 0x410110a0;
174     cpu->ctr = 0x1dd20d2;
175     cpu->reset_sctlr = 0x00090078;
176     cpu->reset_auxcr = 1;
177 
178     /*
179      * ARMv5 does not have the ID_ISAR registers, but we can still
180      * set the field to indicate Jazelle support within QEMU.
181      */
182     cpu->isar.id_isar1 = FIELD_DP32(cpu->isar.id_isar1, ID_ISAR1, JAZELLE, 1);
183     /*
184      * Similarly, we need to set MVFR0 fields to enable vfp and short vector
185      * support even though ARMv5 doesn't have this register.
186      */
187     cpu->isar.mvfr0 = FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPSHVEC, 1);
188     cpu->isar.mvfr0 = FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPSP, 1);
189     cpu->isar.mvfr0 = FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPDP, 1);
190 
191     {
192         /* The 1026 had an IFAR at c6,c0,0,1 rather than the ARMv6 c6,c0,0,2 */
193         ARMCPRegInfo ifar = {
194             .name = "IFAR", .cp = 15, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 1,
195             .access = PL1_RW,
196             .fieldoffset = offsetof(CPUARMState, cp15.ifar_ns),
197             .resetvalue = 0
198         };
199         define_one_arm_cp_reg(cpu, &ifar);
200     }
201 }
202 
203 static void arm1136_r2_initfn(Object *obj)
204 {
205     ARMCPU *cpu = ARM_CPU(obj);
206     /*
207      * What qemu calls "arm1136_r2" is actually the 1136 r0p2, ie an
208      * older core than plain "arm1136". In particular this does not
209      * have the v6K features.
210      * These ID register values are correct for 1136 but may be wrong
211      * for 1136_r2 (in particular r0p2 does not actually implement most
212      * of the ID registers).
213      */
214 
215     cpu->dtb_compatible = "arm,arm1136";
216     set_feature(&cpu->env, ARM_FEATURE_V6);
217     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
218     set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
219     set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
220     cpu->midr = 0x4107b362;
221     cpu->reset_fpsid = 0x410120b4;
222     cpu->isar.mvfr0 = 0x11111111;
223     cpu->isar.mvfr1 = 0x00000000;
224     cpu->ctr = 0x1dd20d2;
225     cpu->reset_sctlr = 0x00050078;
226     cpu->isar.id_pfr0 = 0x111;
227     cpu->isar.id_pfr1 = 0x1;
228     cpu->isar.id_dfr0 = 0x2;
229     cpu->id_afr0 = 0x3;
230     cpu->isar.id_mmfr0 = 0x01130003;
231     cpu->isar.id_mmfr1 = 0x10030302;
232     cpu->isar.id_mmfr2 = 0x01222110;
233     cpu->isar.id_isar0 = 0x00140011;
234     cpu->isar.id_isar1 = 0x12002111;
235     cpu->isar.id_isar2 = 0x11231111;
236     cpu->isar.id_isar3 = 0x01102131;
237     cpu->isar.id_isar4 = 0x141;
238     cpu->reset_auxcr = 7;
239 }
240 
241 static void arm1136_initfn(Object *obj)
242 {
243     ARMCPU *cpu = ARM_CPU(obj);
244 
245     cpu->dtb_compatible = "arm,arm1136";
246     set_feature(&cpu->env, ARM_FEATURE_V6K);
247     set_feature(&cpu->env, ARM_FEATURE_V6);
248     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
249     set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
250     set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
251     cpu->midr = 0x4117b363;
252     cpu->reset_fpsid = 0x410120b4;
253     cpu->isar.mvfr0 = 0x11111111;
254     cpu->isar.mvfr1 = 0x00000000;
255     cpu->ctr = 0x1dd20d2;
256     cpu->reset_sctlr = 0x00050078;
257     cpu->isar.id_pfr0 = 0x111;
258     cpu->isar.id_pfr1 = 0x1;
259     cpu->isar.id_dfr0 = 0x2;
260     cpu->id_afr0 = 0x3;
261     cpu->isar.id_mmfr0 = 0x01130003;
262     cpu->isar.id_mmfr1 = 0x10030302;
263     cpu->isar.id_mmfr2 = 0x01222110;
264     cpu->isar.id_isar0 = 0x00140011;
265     cpu->isar.id_isar1 = 0x12002111;
266     cpu->isar.id_isar2 = 0x11231111;
267     cpu->isar.id_isar3 = 0x01102131;
268     cpu->isar.id_isar4 = 0x141;
269     cpu->reset_auxcr = 7;
270 }
271 
272 static void arm1176_initfn(Object *obj)
273 {
274     ARMCPU *cpu = ARM_CPU(obj);
275 
276     cpu->dtb_compatible = "arm,arm1176";
277     set_feature(&cpu->env, ARM_FEATURE_V6K);
278     set_feature(&cpu->env, ARM_FEATURE_VAPA);
279     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
280     set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
281     set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
282     set_feature(&cpu->env, ARM_FEATURE_EL3);
283     cpu->midr = 0x410fb767;
284     cpu->reset_fpsid = 0x410120b5;
285     cpu->isar.mvfr0 = 0x11111111;
286     cpu->isar.mvfr1 = 0x00000000;
287     cpu->ctr = 0x1dd20d2;
288     cpu->reset_sctlr = 0x00050078;
289     cpu->isar.id_pfr0 = 0x111;
290     cpu->isar.id_pfr1 = 0x11;
291     cpu->isar.id_dfr0 = 0x33;
292     cpu->id_afr0 = 0;
293     cpu->isar.id_mmfr0 = 0x01130003;
294     cpu->isar.id_mmfr1 = 0x10030302;
295     cpu->isar.id_mmfr2 = 0x01222100;
296     cpu->isar.id_isar0 = 0x0140011;
297     cpu->isar.id_isar1 = 0x12002111;
298     cpu->isar.id_isar2 = 0x11231121;
299     cpu->isar.id_isar3 = 0x01102131;
300     cpu->isar.id_isar4 = 0x01141;
301     cpu->reset_auxcr = 7;
302 }
303 
304 static void arm11mpcore_initfn(Object *obj)
305 {
306     ARMCPU *cpu = ARM_CPU(obj);
307 
308     cpu->dtb_compatible = "arm,arm11mpcore";
309     set_feature(&cpu->env, ARM_FEATURE_V6K);
310     set_feature(&cpu->env, ARM_FEATURE_VAPA);
311     set_feature(&cpu->env, ARM_FEATURE_MPIDR);
312     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
313     cpu->midr = 0x410fb022;
314     cpu->reset_fpsid = 0x410120b4;
315     cpu->isar.mvfr0 = 0x11111111;
316     cpu->isar.mvfr1 = 0x00000000;
317     cpu->ctr = 0x1d192992; /* 32K icache 32K dcache */
318     cpu->isar.id_pfr0 = 0x111;
319     cpu->isar.id_pfr1 = 0x1;
320     cpu->isar.id_dfr0 = 0;
321     cpu->id_afr0 = 0x2;
322     cpu->isar.id_mmfr0 = 0x01100103;
323     cpu->isar.id_mmfr1 = 0x10020302;
324     cpu->isar.id_mmfr2 = 0x01222000;
325     cpu->isar.id_isar0 = 0x00100011;
326     cpu->isar.id_isar1 = 0x12002111;
327     cpu->isar.id_isar2 = 0x11221011;
328     cpu->isar.id_isar3 = 0x01102131;
329     cpu->isar.id_isar4 = 0x141;
330     cpu->reset_auxcr = 1;
331 }
332 
333 static const ARMCPRegInfo cortexa8_cp_reginfo[] = {
334     { .name = "L2LOCKDOWN", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 0,
335       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
336     { .name = "L2AUXCR", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 2,
337       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
338 };
339 
340 static void cortex_a8_initfn(Object *obj)
341 {
342     ARMCPU *cpu = ARM_CPU(obj);
343 
344     cpu->dtb_compatible = "arm,cortex-a8";
345     set_feature(&cpu->env, ARM_FEATURE_V7);
346     set_feature(&cpu->env, ARM_FEATURE_NEON);
347     set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
348     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
349     set_feature(&cpu->env, ARM_FEATURE_EL3);
350     cpu->midr = 0x410fc080;
351     cpu->reset_fpsid = 0x410330c0;
352     cpu->isar.mvfr0 = 0x11110222;
353     cpu->isar.mvfr1 = 0x00011111;
354     cpu->ctr = 0x82048004;
355     cpu->reset_sctlr = 0x00c50078;
356     cpu->isar.id_pfr0 = 0x1031;
357     cpu->isar.id_pfr1 = 0x11;
358     cpu->isar.id_dfr0 = 0x400;
359     cpu->id_afr0 = 0;
360     cpu->isar.id_mmfr0 = 0x31100003;
361     cpu->isar.id_mmfr1 = 0x20000000;
362     cpu->isar.id_mmfr2 = 0x01202000;
363     cpu->isar.id_mmfr3 = 0x11;
364     cpu->isar.id_isar0 = 0x00101111;
365     cpu->isar.id_isar1 = 0x12112111;
366     cpu->isar.id_isar2 = 0x21232031;
367     cpu->isar.id_isar3 = 0x11112131;
368     cpu->isar.id_isar4 = 0x00111142;
369     cpu->isar.dbgdidr = 0x15141000;
370     cpu->clidr = (1 << 27) | (2 << 24) | 3;
371     cpu->ccsidr[0] = 0xe007e01a; /* 16k L1 dcache. */
372     cpu->ccsidr[1] = 0x2007e01a; /* 16k L1 icache. */
373     cpu->ccsidr[2] = 0xf0000000; /* No L2 icache. */
374     cpu->reset_auxcr = 2;
375     cpu->isar.reset_pmcr_el0 = 0x41002000;
376     define_arm_cp_regs(cpu, cortexa8_cp_reginfo);
377 }
378 
379 static const ARMCPRegInfo cortexa9_cp_reginfo[] = {
380     /*
381      * power_control should be set to maximum latency. Again,
382      * default to 0 and set by private hook
383      */
384     { .name = "A9_PWRCTL", .cp = 15, .crn = 15, .crm = 0, .opc1 = 0, .opc2 = 0,
385       .access = PL1_RW, .resetvalue = 0,
386       .fieldoffset = offsetof(CPUARMState, cp15.c15_power_control) },
387     { .name = "A9_DIAG", .cp = 15, .crn = 15, .crm = 0, .opc1 = 0, .opc2 = 1,
388       .access = PL1_RW, .resetvalue = 0,
389       .fieldoffset = offsetof(CPUARMState, cp15.c15_diagnostic) },
390     { .name = "A9_PWRDIAG", .cp = 15, .crn = 15, .crm = 0, .opc1 = 0, .opc2 = 2,
391       .access = PL1_RW, .resetvalue = 0,
392       .fieldoffset = offsetof(CPUARMState, cp15.c15_power_diagnostic) },
393     { .name = "NEONBUSY", .cp = 15, .crn = 15, .crm = 1, .opc1 = 0, .opc2 = 0,
394       .access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
395     /* TLB lockdown control */
396     { .name = "TLB_LOCKR", .cp = 15, .crn = 15, .crm = 4, .opc1 = 5, .opc2 = 2,
397       .access = PL1_W, .resetvalue = 0, .type = ARM_CP_NOP },
398     { .name = "TLB_LOCKW", .cp = 15, .crn = 15, .crm = 4, .opc1 = 5, .opc2 = 4,
399       .access = PL1_W, .resetvalue = 0, .type = ARM_CP_NOP },
400     { .name = "TLB_VA", .cp = 15, .crn = 15, .crm = 5, .opc1 = 5, .opc2 = 2,
401       .access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
402     { .name = "TLB_PA", .cp = 15, .crn = 15, .crm = 6, .opc1 = 5, .opc2 = 2,
403       .access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
404     { .name = "TLB_ATTR", .cp = 15, .crn = 15, .crm = 7, .opc1 = 5, .opc2 = 2,
405       .access = PL1_RW, .resetvalue = 0, .type = ARM_CP_CONST },
406 };
407 
408 static void cortex_a9_initfn(Object *obj)
409 {
410     ARMCPU *cpu = ARM_CPU(obj);
411 
412     cpu->dtb_compatible = "arm,cortex-a9";
413     set_feature(&cpu->env, ARM_FEATURE_V7);
414     set_feature(&cpu->env, ARM_FEATURE_NEON);
415     set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
416     set_feature(&cpu->env, ARM_FEATURE_EL3);
417     /*
418      * Note that A9 supports the MP extensions even for
419      * A9UP and single-core A9MP (which are both different
420      * and valid configurations; we don't model A9UP).
421      */
422     set_feature(&cpu->env, ARM_FEATURE_V7MP);
423     set_feature(&cpu->env, ARM_FEATURE_CBAR);
424     cpu->midr = 0x410fc090;
425     cpu->reset_fpsid = 0x41033090;
426     cpu->isar.mvfr0 = 0x11110222;
427     cpu->isar.mvfr1 = 0x01111111;
428     cpu->ctr = 0x80038003;
429     cpu->reset_sctlr = 0x00c50078;
430     cpu->isar.id_pfr0 = 0x1031;
431     cpu->isar.id_pfr1 = 0x11;
432     cpu->isar.id_dfr0 = 0x000;
433     cpu->id_afr0 = 0;
434     cpu->isar.id_mmfr0 = 0x00100103;
435     cpu->isar.id_mmfr1 = 0x20000000;
436     cpu->isar.id_mmfr2 = 0x01230000;
437     cpu->isar.id_mmfr3 = 0x00002111;
438     cpu->isar.id_isar0 = 0x00101111;
439     cpu->isar.id_isar1 = 0x13112111;
440     cpu->isar.id_isar2 = 0x21232041;
441     cpu->isar.id_isar3 = 0x11112131;
442     cpu->isar.id_isar4 = 0x00111142;
443     cpu->isar.dbgdidr = 0x35141000;
444     cpu->clidr = (1 << 27) | (1 << 24) | 3;
445     cpu->ccsidr[0] = 0xe00fe019; /* 16k L1 dcache. */
446     cpu->ccsidr[1] = 0x200fe019; /* 16k L1 icache. */
447     cpu->isar.reset_pmcr_el0 = 0x41093000;
448     define_arm_cp_regs(cpu, cortexa9_cp_reginfo);
449 }
450 
451 #ifndef CONFIG_USER_ONLY
452 static uint64_t a15_l2ctlr_read(CPUARMState *env, const ARMCPRegInfo *ri)
453 {
454     MachineState *ms = MACHINE(qdev_get_machine());
455 
456     /*
457      * Linux wants the number of processors from here.
458      * Might as well set the interrupt-controller bit too.
459      */
460     return ((ms->smp.cpus - 1) << 24) | (1 << 23);
461 }
462 #endif
463 
464 static const ARMCPRegInfo cortexa15_cp_reginfo[] = {
465 #ifndef CONFIG_USER_ONLY
466     { .name = "L2CTLR", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 2,
467       .access = PL1_RW, .resetvalue = 0, .readfn = a15_l2ctlr_read,
468       .writefn = arm_cp_write_ignore, },
469 #endif
470     { .name = "L2ECTLR", .cp = 15, .crn = 9, .crm = 0, .opc1 = 1, .opc2 = 3,
471       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
472 };
473 
474 static void cortex_a7_initfn(Object *obj)
475 {
476     ARMCPU *cpu = ARM_CPU(obj);
477 
478     cpu->dtb_compatible = "arm,cortex-a7";
479     set_feature(&cpu->env, ARM_FEATURE_V7VE);
480     set_feature(&cpu->env, ARM_FEATURE_NEON);
481     set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
482     set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
483     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
484     set_feature(&cpu->env, ARM_FEATURE_CBAR_RO);
485     set_feature(&cpu->env, ARM_FEATURE_EL2);
486     set_feature(&cpu->env, ARM_FEATURE_EL3);
487     set_feature(&cpu->env, ARM_FEATURE_PMU);
488     cpu->midr = 0x410fc075;
489     cpu->reset_fpsid = 0x41023075;
490     cpu->isar.mvfr0 = 0x10110222;
491     cpu->isar.mvfr1 = 0x11111111;
492     cpu->ctr = 0x84448003;
493     cpu->reset_sctlr = 0x00c50078;
494     cpu->isar.id_pfr0 = 0x00001131;
495     cpu->isar.id_pfr1 = 0x00011011;
496     cpu->isar.id_dfr0 = 0x02010555;
497     cpu->id_afr0 = 0x00000000;
498     cpu->isar.id_mmfr0 = 0x10101105;
499     cpu->isar.id_mmfr1 = 0x40000000;
500     cpu->isar.id_mmfr2 = 0x01240000;
501     cpu->isar.id_mmfr3 = 0x02102211;
502     /*
503      * a7_mpcore_r0p5_trm, page 4-4 gives 0x01101110; but
504      * table 4-41 gives 0x02101110, which includes the arm div insns.
505      */
506     cpu->isar.id_isar0 = 0x02101110;
507     cpu->isar.id_isar1 = 0x13112111;
508     cpu->isar.id_isar2 = 0x21232041;
509     cpu->isar.id_isar3 = 0x11112131;
510     cpu->isar.id_isar4 = 0x10011142;
511     cpu->isar.dbgdidr = 0x3515f005;
512     cpu->isar.dbgdevid = 0x01110f13;
513     cpu->isar.dbgdevid1 = 0x1;
514     cpu->clidr = 0x0a200023;
515     cpu->ccsidr[0] = 0x701fe00a; /* 32K L1 dcache */
516     cpu->ccsidr[1] = 0x201fe00a; /* 32K L1 icache */
517     cpu->ccsidr[2] = 0x711fe07a; /* 4096K L2 unified cache */
518     cpu->isar.reset_pmcr_el0 = 0x41072000;
519     define_arm_cp_regs(cpu, cortexa15_cp_reginfo); /* Same as A15 */
520 }
521 
522 static void cortex_a15_initfn(Object *obj)
523 {
524     ARMCPU *cpu = ARM_CPU(obj);
525 
526     cpu->dtb_compatible = "arm,cortex-a15";
527     set_feature(&cpu->env, ARM_FEATURE_V7VE);
528     set_feature(&cpu->env, ARM_FEATURE_NEON);
529     set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
530     set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
531     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
532     set_feature(&cpu->env, ARM_FEATURE_CBAR_RO);
533     set_feature(&cpu->env, ARM_FEATURE_EL2);
534     set_feature(&cpu->env, ARM_FEATURE_EL3);
535     set_feature(&cpu->env, ARM_FEATURE_PMU);
536     /* r4p0 cpu, not requiring expensive tlb flush errata */
537     cpu->midr = 0x414fc0f0;
538     cpu->revidr = 0x0;
539     cpu->reset_fpsid = 0x410430f0;
540     cpu->isar.mvfr0 = 0x10110222;
541     cpu->isar.mvfr1 = 0x11111111;
542     cpu->ctr = 0x8444c004;
543     cpu->reset_sctlr = 0x00c50078;
544     cpu->isar.id_pfr0 = 0x00001131;
545     cpu->isar.id_pfr1 = 0x00011011;
546     cpu->isar.id_dfr0 = 0x02010555;
547     cpu->id_afr0 = 0x00000000;
548     cpu->isar.id_mmfr0 = 0x10201105;
549     cpu->isar.id_mmfr1 = 0x20000000;
550     cpu->isar.id_mmfr2 = 0x01240000;
551     cpu->isar.id_mmfr3 = 0x02102211;
552     cpu->isar.id_isar0 = 0x02101110;
553     cpu->isar.id_isar1 = 0x13112111;
554     cpu->isar.id_isar2 = 0x21232041;
555     cpu->isar.id_isar3 = 0x11112131;
556     cpu->isar.id_isar4 = 0x10011142;
557     cpu->isar.dbgdidr = 0x3515f021;
558     cpu->isar.dbgdevid = 0x01110f13;
559     cpu->isar.dbgdevid1 = 0x0;
560     cpu->clidr = 0x0a200023;
561     cpu->ccsidr[0] = 0x701fe00a; /* 32K L1 dcache */
562     cpu->ccsidr[1] = 0x201fe00a; /* 32K L1 icache */
563     cpu->ccsidr[2] = 0x711fe07a; /* 4096K L2 unified cache */
564     cpu->isar.reset_pmcr_el0 = 0x410F3000;
565     define_arm_cp_regs(cpu, cortexa15_cp_reginfo);
566 }
567 
568 static void cortex_m0_initfn(Object *obj)
569 {
570     ARMCPU *cpu = ARM_CPU(obj);
571     set_feature(&cpu->env, ARM_FEATURE_V6);
572     set_feature(&cpu->env, ARM_FEATURE_M);
573 
574     cpu->midr = 0x410cc200;
575 
576     /*
577      * These ID register values are not guest visible, because
578      * we do not implement the Main Extension. They must be set
579      * to values corresponding to the Cortex-M0's implemented
580      * features, because QEMU generally controls its emulation
581      * by looking at ID register fields. We use the same values as
582      * for the M3.
583      */
584     cpu->isar.id_pfr0 = 0x00000030;
585     cpu->isar.id_pfr1 = 0x00000200;
586     cpu->isar.id_dfr0 = 0x00100000;
587     cpu->id_afr0 = 0x00000000;
588     cpu->isar.id_mmfr0 = 0x00000030;
589     cpu->isar.id_mmfr1 = 0x00000000;
590     cpu->isar.id_mmfr2 = 0x00000000;
591     cpu->isar.id_mmfr3 = 0x00000000;
592     cpu->isar.id_isar0 = 0x01141110;
593     cpu->isar.id_isar1 = 0x02111000;
594     cpu->isar.id_isar2 = 0x21112231;
595     cpu->isar.id_isar3 = 0x01111110;
596     cpu->isar.id_isar4 = 0x01310102;
597     cpu->isar.id_isar5 = 0x00000000;
598     cpu->isar.id_isar6 = 0x00000000;
599 }
600 
601 static void cortex_m3_initfn(Object *obj)
602 {
603     ARMCPU *cpu = ARM_CPU(obj);
604     set_feature(&cpu->env, ARM_FEATURE_V7);
605     set_feature(&cpu->env, ARM_FEATURE_M);
606     set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
607     cpu->midr = 0x410fc231;
608     cpu->pmsav7_dregion = 8;
609     cpu->isar.id_pfr0 = 0x00000030;
610     cpu->isar.id_pfr1 = 0x00000200;
611     cpu->isar.id_dfr0 = 0x00100000;
612     cpu->id_afr0 = 0x00000000;
613     cpu->isar.id_mmfr0 = 0x00000030;
614     cpu->isar.id_mmfr1 = 0x00000000;
615     cpu->isar.id_mmfr2 = 0x00000000;
616     cpu->isar.id_mmfr3 = 0x00000000;
617     cpu->isar.id_isar0 = 0x01141110;
618     cpu->isar.id_isar1 = 0x02111000;
619     cpu->isar.id_isar2 = 0x21112231;
620     cpu->isar.id_isar3 = 0x01111110;
621     cpu->isar.id_isar4 = 0x01310102;
622     cpu->isar.id_isar5 = 0x00000000;
623     cpu->isar.id_isar6 = 0x00000000;
624 }
625 
626 static void cortex_m4_initfn(Object *obj)
627 {
628     ARMCPU *cpu = ARM_CPU(obj);
629 
630     set_feature(&cpu->env, ARM_FEATURE_V7);
631     set_feature(&cpu->env, ARM_FEATURE_M);
632     set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
633     set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
634     cpu->midr = 0x410fc240; /* r0p0 */
635     cpu->pmsav7_dregion = 8;
636     cpu->isar.mvfr0 = 0x10110021;
637     cpu->isar.mvfr1 = 0x11000011;
638     cpu->isar.mvfr2 = 0x00000000;
639     cpu->isar.id_pfr0 = 0x00000030;
640     cpu->isar.id_pfr1 = 0x00000200;
641     cpu->isar.id_dfr0 = 0x00100000;
642     cpu->id_afr0 = 0x00000000;
643     cpu->isar.id_mmfr0 = 0x00000030;
644     cpu->isar.id_mmfr1 = 0x00000000;
645     cpu->isar.id_mmfr2 = 0x00000000;
646     cpu->isar.id_mmfr3 = 0x00000000;
647     cpu->isar.id_isar0 = 0x01141110;
648     cpu->isar.id_isar1 = 0x02111000;
649     cpu->isar.id_isar2 = 0x21112231;
650     cpu->isar.id_isar3 = 0x01111110;
651     cpu->isar.id_isar4 = 0x01310102;
652     cpu->isar.id_isar5 = 0x00000000;
653     cpu->isar.id_isar6 = 0x00000000;
654 }
655 
656 static void cortex_m7_initfn(Object *obj)
657 {
658     ARMCPU *cpu = ARM_CPU(obj);
659 
660     set_feature(&cpu->env, ARM_FEATURE_V7);
661     set_feature(&cpu->env, ARM_FEATURE_M);
662     set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
663     set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
664     cpu->midr = 0x411fc272; /* r1p2 */
665     cpu->pmsav7_dregion = 8;
666     cpu->isar.mvfr0 = 0x10110221;
667     cpu->isar.mvfr1 = 0x12000011;
668     cpu->isar.mvfr2 = 0x00000040;
669     cpu->isar.id_pfr0 = 0x00000030;
670     cpu->isar.id_pfr1 = 0x00000200;
671     cpu->isar.id_dfr0 = 0x00100000;
672     cpu->id_afr0 = 0x00000000;
673     cpu->isar.id_mmfr0 = 0x00100030;
674     cpu->isar.id_mmfr1 = 0x00000000;
675     cpu->isar.id_mmfr2 = 0x01000000;
676     cpu->isar.id_mmfr3 = 0x00000000;
677     cpu->isar.id_isar0 = 0x01101110;
678     cpu->isar.id_isar1 = 0x02112000;
679     cpu->isar.id_isar2 = 0x20232231;
680     cpu->isar.id_isar3 = 0x01111131;
681     cpu->isar.id_isar4 = 0x01310132;
682     cpu->isar.id_isar5 = 0x00000000;
683     cpu->isar.id_isar6 = 0x00000000;
684 }
685 
686 static void cortex_m33_initfn(Object *obj)
687 {
688     ARMCPU *cpu = ARM_CPU(obj);
689 
690     set_feature(&cpu->env, ARM_FEATURE_V8);
691     set_feature(&cpu->env, ARM_FEATURE_M);
692     set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
693     set_feature(&cpu->env, ARM_FEATURE_M_SECURITY);
694     set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
695     cpu->midr = 0x410fd213; /* r0p3 */
696     cpu->pmsav7_dregion = 16;
697     cpu->sau_sregion = 8;
698     cpu->isar.mvfr0 = 0x10110021;
699     cpu->isar.mvfr1 = 0x11000011;
700     cpu->isar.mvfr2 = 0x00000040;
701     cpu->isar.id_pfr0 = 0x00000030;
702     cpu->isar.id_pfr1 = 0x00000210;
703     cpu->isar.id_dfr0 = 0x00200000;
704     cpu->id_afr0 = 0x00000000;
705     cpu->isar.id_mmfr0 = 0x00101F40;
706     cpu->isar.id_mmfr1 = 0x00000000;
707     cpu->isar.id_mmfr2 = 0x01000000;
708     cpu->isar.id_mmfr3 = 0x00000000;
709     cpu->isar.id_isar0 = 0x01101110;
710     cpu->isar.id_isar1 = 0x02212000;
711     cpu->isar.id_isar2 = 0x20232232;
712     cpu->isar.id_isar3 = 0x01111131;
713     cpu->isar.id_isar4 = 0x01310132;
714     cpu->isar.id_isar5 = 0x00000000;
715     cpu->isar.id_isar6 = 0x00000000;
716     cpu->clidr = 0x00000000;
717     cpu->ctr = 0x8000c000;
718 }
719 
720 static void cortex_m55_initfn(Object *obj)
721 {
722     ARMCPU *cpu = ARM_CPU(obj);
723 
724     set_feature(&cpu->env, ARM_FEATURE_V8);
725     set_feature(&cpu->env, ARM_FEATURE_V8_1M);
726     set_feature(&cpu->env, ARM_FEATURE_M);
727     set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
728     set_feature(&cpu->env, ARM_FEATURE_M_SECURITY);
729     set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
730     cpu->midr = 0x410fd221; /* r0p1 */
731     cpu->revidr = 0;
732     cpu->pmsav7_dregion = 16;
733     cpu->sau_sregion = 8;
734     /* These are the MVFR* values for the FPU + full MVE configuration */
735     cpu->isar.mvfr0 = 0x10110221;
736     cpu->isar.mvfr1 = 0x12100211;
737     cpu->isar.mvfr2 = 0x00000040;
738     cpu->isar.id_pfr0 = 0x20000030;
739     cpu->isar.id_pfr1 = 0x00000230;
740     cpu->isar.id_dfr0 = 0x10200000;
741     cpu->id_afr0 = 0x00000000;
742     cpu->isar.id_mmfr0 = 0x00111040;
743     cpu->isar.id_mmfr1 = 0x00000000;
744     cpu->isar.id_mmfr2 = 0x01000000;
745     cpu->isar.id_mmfr3 = 0x00000011;
746     cpu->isar.id_isar0 = 0x01103110;
747     cpu->isar.id_isar1 = 0x02212000;
748     cpu->isar.id_isar2 = 0x20232232;
749     cpu->isar.id_isar3 = 0x01111131;
750     cpu->isar.id_isar4 = 0x01310132;
751     cpu->isar.id_isar5 = 0x00000000;
752     cpu->isar.id_isar6 = 0x00000000;
753     cpu->clidr = 0x00000000; /* caches not implemented */
754     cpu->ctr = 0x8303c003;
755 }
756 
757 static const ARMCPRegInfo cortexr5_cp_reginfo[] = {
758     /* Dummy the TCM region regs for the moment */
759     { .name = "ATCM", .cp = 15, .opc1 = 0, .crn = 9, .crm = 1, .opc2 = 0,
760       .access = PL1_RW, .type = ARM_CP_CONST },
761     { .name = "BTCM", .cp = 15, .opc1 = 0, .crn = 9, .crm = 1, .opc2 = 1,
762       .access = PL1_RW, .type = ARM_CP_CONST },
763     { .name = "DCACHE_INVAL", .cp = 15, .opc1 = 0, .crn = 15, .crm = 5,
764       .opc2 = 0, .access = PL1_W, .type = ARM_CP_NOP },
765 };
766 
767 static void cortex_r5_initfn(Object *obj)
768 {
769     ARMCPU *cpu = ARM_CPU(obj);
770 
771     set_feature(&cpu->env, ARM_FEATURE_V7);
772     set_feature(&cpu->env, ARM_FEATURE_V7MP);
773     set_feature(&cpu->env, ARM_FEATURE_PMSA);
774     set_feature(&cpu->env, ARM_FEATURE_PMU);
775     cpu->midr = 0x411fc153; /* r1p3 */
776     cpu->isar.id_pfr0 = 0x0131;
777     cpu->isar.id_pfr1 = 0x001;
778     cpu->isar.id_dfr0 = 0x010400;
779     cpu->id_afr0 = 0x0;
780     cpu->isar.id_mmfr0 = 0x0210030;
781     cpu->isar.id_mmfr1 = 0x00000000;
782     cpu->isar.id_mmfr2 = 0x01200000;
783     cpu->isar.id_mmfr3 = 0x0211;
784     cpu->isar.id_isar0 = 0x02101111;
785     cpu->isar.id_isar1 = 0x13112111;
786     cpu->isar.id_isar2 = 0x21232141;
787     cpu->isar.id_isar3 = 0x01112131;
788     cpu->isar.id_isar4 = 0x0010142;
789     cpu->isar.id_isar5 = 0x0;
790     cpu->isar.id_isar6 = 0x0;
791     cpu->mp_is_up = true;
792     cpu->pmsav7_dregion = 16;
793     cpu->isar.reset_pmcr_el0 = 0x41151800;
794     define_arm_cp_regs(cpu, cortexr5_cp_reginfo);
795 }
796 
797 static void cortex_r52_initfn(Object *obj)
798 {
799     ARMCPU *cpu = ARM_CPU(obj);
800 
801     set_feature(&cpu->env, ARM_FEATURE_V8);
802     set_feature(&cpu->env, ARM_FEATURE_EL2);
803     set_feature(&cpu->env, ARM_FEATURE_PMSA);
804     set_feature(&cpu->env, ARM_FEATURE_NEON);
805     set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
806     cpu->midr = 0x411fd133; /* r1p3 */
807     cpu->revidr = 0x00000000;
808     cpu->reset_fpsid = 0x41034023;
809     cpu->isar.mvfr0 = 0x10110222;
810     cpu->isar.mvfr1 = 0x12111111;
811     cpu->isar.mvfr2 = 0x00000043;
812     cpu->ctr = 0x8144c004;
813     cpu->reset_sctlr = 0x30c50838;
814     cpu->isar.id_pfr0 = 0x00000131;
815     cpu->isar.id_pfr1 = 0x10111001;
816     cpu->isar.id_dfr0 = 0x03010006;
817     cpu->id_afr0 = 0x00000000;
818     cpu->isar.id_mmfr0 = 0x00211040;
819     cpu->isar.id_mmfr1 = 0x40000000;
820     cpu->isar.id_mmfr2 = 0x01200000;
821     cpu->isar.id_mmfr3 = 0xf0102211;
822     cpu->isar.id_mmfr4 = 0x00000010;
823     cpu->isar.id_isar0 = 0x02101110;
824     cpu->isar.id_isar1 = 0x13112111;
825     cpu->isar.id_isar2 = 0x21232142;
826     cpu->isar.id_isar3 = 0x01112131;
827     cpu->isar.id_isar4 = 0x00010142;
828     cpu->isar.id_isar5 = 0x00010001;
829     cpu->isar.dbgdidr = 0x77168000;
830     cpu->clidr = (1 << 27) | (1 << 24) | 0x3;
831     cpu->ccsidr[0] = 0x700fe01a; /* 32KB L1 dcache */
832     cpu->ccsidr[1] = 0x201fe00a; /* 32KB L1 icache */
833 
834     cpu->pmsav7_dregion = 16;
835     cpu->pmsav8r_hdregion = 16;
836 }
837 
838 static void cortex_r5f_initfn(Object *obj)
839 {
840     ARMCPU *cpu = ARM_CPU(obj);
841 
842     cortex_r5_initfn(obj);
843     cpu->isar.mvfr0 = 0x10110221;
844     cpu->isar.mvfr1 = 0x00000011;
845 }
846 
847 static void ti925t_initfn(Object *obj)
848 {
849     ARMCPU *cpu = ARM_CPU(obj);
850     set_feature(&cpu->env, ARM_FEATURE_V4T);
851     set_feature(&cpu->env, ARM_FEATURE_OMAPCP);
852     cpu->midr = ARM_CPUID_TI925T;
853     cpu->ctr = 0x5109149;
854     cpu->reset_sctlr = 0x00000070;
855 }
856 
857 static void sa1100_initfn(Object *obj)
858 {
859     ARMCPU *cpu = ARM_CPU(obj);
860 
861     cpu->dtb_compatible = "intel,sa1100";
862     set_feature(&cpu->env, ARM_FEATURE_STRONGARM);
863     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
864     cpu->midr = 0x4401A11B;
865     cpu->reset_sctlr = 0x00000070;
866 }
867 
868 static void sa1110_initfn(Object *obj)
869 {
870     ARMCPU *cpu = ARM_CPU(obj);
871     set_feature(&cpu->env, ARM_FEATURE_STRONGARM);
872     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
873     cpu->midr = 0x6901B119;
874     cpu->reset_sctlr = 0x00000070;
875 }
876 
877 static void pxa250_initfn(Object *obj)
878 {
879     ARMCPU *cpu = ARM_CPU(obj);
880 
881     cpu->dtb_compatible = "marvell,xscale";
882     set_feature(&cpu->env, ARM_FEATURE_V5);
883     set_feature(&cpu->env, ARM_FEATURE_XSCALE);
884     cpu->midr = 0x69052100;
885     cpu->ctr = 0xd172172;
886     cpu->reset_sctlr = 0x00000078;
887 }
888 
889 static void pxa255_initfn(Object *obj)
890 {
891     ARMCPU *cpu = ARM_CPU(obj);
892 
893     cpu->dtb_compatible = "marvell,xscale";
894     set_feature(&cpu->env, ARM_FEATURE_V5);
895     set_feature(&cpu->env, ARM_FEATURE_XSCALE);
896     cpu->midr = 0x69052d00;
897     cpu->ctr = 0xd172172;
898     cpu->reset_sctlr = 0x00000078;
899 }
900 
901 static void pxa260_initfn(Object *obj)
902 {
903     ARMCPU *cpu = ARM_CPU(obj);
904 
905     cpu->dtb_compatible = "marvell,xscale";
906     set_feature(&cpu->env, ARM_FEATURE_V5);
907     set_feature(&cpu->env, ARM_FEATURE_XSCALE);
908     cpu->midr = 0x69052903;
909     cpu->ctr = 0xd172172;
910     cpu->reset_sctlr = 0x00000078;
911 }
912 
913 static void pxa261_initfn(Object *obj)
914 {
915     ARMCPU *cpu = ARM_CPU(obj);
916 
917     cpu->dtb_compatible = "marvell,xscale";
918     set_feature(&cpu->env, ARM_FEATURE_V5);
919     set_feature(&cpu->env, ARM_FEATURE_XSCALE);
920     cpu->midr = 0x69052d05;
921     cpu->ctr = 0xd172172;
922     cpu->reset_sctlr = 0x00000078;
923 }
924 
925 static void pxa262_initfn(Object *obj)
926 {
927     ARMCPU *cpu = ARM_CPU(obj);
928 
929     cpu->dtb_compatible = "marvell,xscale";
930     set_feature(&cpu->env, ARM_FEATURE_V5);
931     set_feature(&cpu->env, ARM_FEATURE_XSCALE);
932     cpu->midr = 0x69052d06;
933     cpu->ctr = 0xd172172;
934     cpu->reset_sctlr = 0x00000078;
935 }
936 
937 static void pxa270a0_initfn(Object *obj)
938 {
939     ARMCPU *cpu = ARM_CPU(obj);
940 
941     cpu->dtb_compatible = "marvell,xscale";
942     set_feature(&cpu->env, ARM_FEATURE_V5);
943     set_feature(&cpu->env, ARM_FEATURE_XSCALE);
944     set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
945     cpu->midr = 0x69054110;
946     cpu->ctr = 0xd172172;
947     cpu->reset_sctlr = 0x00000078;
948 }
949 
950 static void pxa270a1_initfn(Object *obj)
951 {
952     ARMCPU *cpu = ARM_CPU(obj);
953 
954     cpu->dtb_compatible = "marvell,xscale";
955     set_feature(&cpu->env, ARM_FEATURE_V5);
956     set_feature(&cpu->env, ARM_FEATURE_XSCALE);
957     set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
958     cpu->midr = 0x69054111;
959     cpu->ctr = 0xd172172;
960     cpu->reset_sctlr = 0x00000078;
961 }
962 
963 static void pxa270b0_initfn(Object *obj)
964 {
965     ARMCPU *cpu = ARM_CPU(obj);
966 
967     cpu->dtb_compatible = "marvell,xscale";
968     set_feature(&cpu->env, ARM_FEATURE_V5);
969     set_feature(&cpu->env, ARM_FEATURE_XSCALE);
970     set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
971     cpu->midr = 0x69054112;
972     cpu->ctr = 0xd172172;
973     cpu->reset_sctlr = 0x00000078;
974 }
975 
976 static void pxa270b1_initfn(Object *obj)
977 {
978     ARMCPU *cpu = ARM_CPU(obj);
979 
980     cpu->dtb_compatible = "marvell,xscale";
981     set_feature(&cpu->env, ARM_FEATURE_V5);
982     set_feature(&cpu->env, ARM_FEATURE_XSCALE);
983     set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
984     cpu->midr = 0x69054113;
985     cpu->ctr = 0xd172172;
986     cpu->reset_sctlr = 0x00000078;
987 }
988 
989 static void pxa270c0_initfn(Object *obj)
990 {
991     ARMCPU *cpu = ARM_CPU(obj);
992 
993     cpu->dtb_compatible = "marvell,xscale";
994     set_feature(&cpu->env, ARM_FEATURE_V5);
995     set_feature(&cpu->env, ARM_FEATURE_XSCALE);
996     set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
997     cpu->midr = 0x69054114;
998     cpu->ctr = 0xd172172;
999     cpu->reset_sctlr = 0x00000078;
1000 }
1001 
1002 static void pxa270c5_initfn(Object *obj)
1003 {
1004     ARMCPU *cpu = ARM_CPU(obj);
1005 
1006     cpu->dtb_compatible = "marvell,xscale";
1007     set_feature(&cpu->env, ARM_FEATURE_V5);
1008     set_feature(&cpu->env, ARM_FEATURE_XSCALE);
1009     set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
1010     cpu->midr = 0x69054117;
1011     cpu->ctr = 0xd172172;
1012     cpu->reset_sctlr = 0x00000078;
1013 }
1014 
1015 static const struct TCGCPUOps arm_v7m_tcg_ops = {
1016     .initialize = arm_translate_init,
1017     .synchronize_from_tb = arm_cpu_synchronize_from_tb,
1018     .debug_excp_handler = arm_debug_excp_handler,
1019     .restore_state_to_opc = arm_restore_state_to_opc,
1020 
1021 #ifdef CONFIG_USER_ONLY
1022     .record_sigsegv = arm_cpu_record_sigsegv,
1023     .record_sigbus = arm_cpu_record_sigbus,
1024 #else
1025     .tlb_fill = arm_cpu_tlb_fill,
1026     .cpu_exec_interrupt = arm_v7m_cpu_exec_interrupt,
1027     .do_interrupt = arm_v7m_cpu_do_interrupt,
1028     .do_transaction_failed = arm_cpu_do_transaction_failed,
1029     .do_unaligned_access = arm_cpu_do_unaligned_access,
1030     .adjust_watchpoint_address = arm_adjust_watchpoint_address,
1031     .debug_check_watchpoint = arm_debug_check_watchpoint,
1032     .debug_check_breakpoint = arm_debug_check_breakpoint,
1033 #endif /* !CONFIG_USER_ONLY */
1034 };
1035 
1036 static void arm_v7m_class_init(ObjectClass *oc, void *data)
1037 {
1038     ARMCPUClass *acc = ARM_CPU_CLASS(oc);
1039     CPUClass *cc = CPU_CLASS(oc);
1040 
1041     acc->info = data;
1042     cc->tcg_ops = &arm_v7m_tcg_ops;
1043     cc->gdb_core_xml_file = "arm-m-profile.xml";
1044 }
1045 
1046 #ifndef TARGET_AARCH64
1047 /*
1048  * -cpu max: a CPU with as many features enabled as our emulation supports.
1049  * The version of '-cpu max' for qemu-system-aarch64 is defined in cpu64.c;
1050  * this only needs to handle 32 bits, and need not care about KVM.
1051  */
1052 static void arm_max_initfn(Object *obj)
1053 {
1054     ARMCPU *cpu = ARM_CPU(obj);
1055 
1056     /* aarch64_a57_initfn, advertising none of the aarch64 features */
1057     cpu->dtb_compatible = "arm,cortex-a57";
1058     set_feature(&cpu->env, ARM_FEATURE_V8);
1059     set_feature(&cpu->env, ARM_FEATURE_NEON);
1060     set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
1061     set_feature(&cpu->env, ARM_FEATURE_CBAR_RO);
1062     set_feature(&cpu->env, ARM_FEATURE_EL2);
1063     set_feature(&cpu->env, ARM_FEATURE_EL3);
1064     set_feature(&cpu->env, ARM_FEATURE_PMU);
1065     cpu->midr = 0x411fd070;
1066     cpu->revidr = 0x00000000;
1067     cpu->reset_fpsid = 0x41034070;
1068     cpu->isar.mvfr0 = 0x10110222;
1069     cpu->isar.mvfr1 = 0x12111111;
1070     cpu->isar.mvfr2 = 0x00000043;
1071     cpu->ctr = 0x8444c004;
1072     cpu->reset_sctlr = 0x00c50838;
1073     cpu->isar.id_pfr0 = 0x00000131;
1074     cpu->isar.id_pfr1 = 0x00011011;
1075     cpu->isar.id_dfr0 = 0x03010066;
1076     cpu->id_afr0 = 0x00000000;
1077     cpu->isar.id_mmfr0 = 0x10101105;
1078     cpu->isar.id_mmfr1 = 0x40000000;
1079     cpu->isar.id_mmfr2 = 0x01260000;
1080     cpu->isar.id_mmfr3 = 0x02102211;
1081     cpu->isar.id_isar0 = 0x02101110;
1082     cpu->isar.id_isar1 = 0x13112111;
1083     cpu->isar.id_isar2 = 0x21232042;
1084     cpu->isar.id_isar3 = 0x01112131;
1085     cpu->isar.id_isar4 = 0x00011142;
1086     cpu->isar.id_isar5 = 0x00011121;
1087     cpu->isar.id_isar6 = 0;
1088     cpu->isar.dbgdidr = 0x3516d000;
1089     cpu->isar.dbgdevid = 0x00110f13;
1090     cpu->isar.dbgdevid1 = 0x2;
1091     cpu->isar.reset_pmcr_el0 = 0x41013000;
1092     cpu->clidr = 0x0a200023;
1093     cpu->ccsidr[0] = 0x701fe00a; /* 32KB L1 dcache */
1094     cpu->ccsidr[1] = 0x201fe012; /* 48KB L1 icache */
1095     cpu->ccsidr[2] = 0x70ffe07a; /* 2048KB L2 cache */
1096     define_cortex_a72_a57_a53_cp_reginfo(cpu);
1097 
1098     aa32_max_features(cpu);
1099 
1100 #ifdef CONFIG_USER_ONLY
1101     /*
1102      * Break with true ARMv8 and add back old-style VFP short-vector support.
1103      * Only do this for user-mode, where -cpu max is the default, so that
1104      * older v6 and v7 programs are more likely to work without adjustment.
1105      */
1106     cpu->isar.mvfr0 = FIELD_DP32(cpu->isar.mvfr0, MVFR0, FPSHVEC, 1);
1107 #endif
1108 }
1109 #endif /* !TARGET_AARCH64 */
1110 
1111 static const ARMCPUInfo arm_tcg_cpus[] = {
1112     { .name = "arm926",      .initfn = arm926_initfn },
1113     { .name = "arm946",      .initfn = arm946_initfn },
1114     { .name = "arm1026",     .initfn = arm1026_initfn },
1115     /*
1116      * What QEMU calls "arm1136-r2" is actually the 1136 r0p2, i.e. an
1117      * older core than plain "arm1136". In particular this does not
1118      * have the v6K features.
1119      */
1120     { .name = "arm1136-r2",  .initfn = arm1136_r2_initfn },
1121     { .name = "arm1136",     .initfn = arm1136_initfn },
1122     { .name = "arm1176",     .initfn = arm1176_initfn },
1123     { .name = "arm11mpcore", .initfn = arm11mpcore_initfn },
1124     { .name = "cortex-a7",   .initfn = cortex_a7_initfn },
1125     { .name = "cortex-a8",   .initfn = cortex_a8_initfn },
1126     { .name = "cortex-a9",   .initfn = cortex_a9_initfn },
1127     { .name = "cortex-a15",  .initfn = cortex_a15_initfn },
1128     { .name = "cortex-m0",   .initfn = cortex_m0_initfn,
1129                              .class_init = arm_v7m_class_init },
1130     { .name = "cortex-m3",   .initfn = cortex_m3_initfn,
1131                              .class_init = arm_v7m_class_init },
1132     { .name = "cortex-m4",   .initfn = cortex_m4_initfn,
1133                              .class_init = arm_v7m_class_init },
1134     { .name = "cortex-m7",   .initfn = cortex_m7_initfn,
1135                              .class_init = arm_v7m_class_init },
1136     { .name = "cortex-m33",  .initfn = cortex_m33_initfn,
1137                              .class_init = arm_v7m_class_init },
1138     { .name = "cortex-m55",  .initfn = cortex_m55_initfn,
1139                              .class_init = arm_v7m_class_init },
1140     { .name = "cortex-r5",   .initfn = cortex_r5_initfn },
1141     { .name = "cortex-r5f",  .initfn = cortex_r5f_initfn },
1142     { .name = "cortex-r52",  .initfn = cortex_r52_initfn },
1143     { .name = "ti925t",      .initfn = ti925t_initfn },
1144     { .name = "sa1100",      .initfn = sa1100_initfn },
1145     { .name = "sa1110",      .initfn = sa1110_initfn },
1146     { .name = "pxa250",      .initfn = pxa250_initfn },
1147     { .name = "pxa255",      .initfn = pxa255_initfn },
1148     { .name = "pxa260",      .initfn = pxa260_initfn },
1149     { .name = "pxa261",      .initfn = pxa261_initfn },
1150     { .name = "pxa262",      .initfn = pxa262_initfn },
1151     /* "pxa270" is an alias for "pxa270-a0" */
1152     { .name = "pxa270",      .initfn = pxa270a0_initfn },
1153     { .name = "pxa270-a0",   .initfn = pxa270a0_initfn },
1154     { .name = "pxa270-a1",   .initfn = pxa270a1_initfn },
1155     { .name = "pxa270-b0",   .initfn = pxa270b0_initfn },
1156     { .name = "pxa270-b1",   .initfn = pxa270b1_initfn },
1157     { .name = "pxa270-c0",   .initfn = pxa270c0_initfn },
1158     { .name = "pxa270-c5",   .initfn = pxa270c5_initfn },
1159 #ifndef TARGET_AARCH64
1160     { .name = "max",         .initfn = arm_max_initfn },
1161 #endif
1162 #ifdef CONFIG_USER_ONLY
1163     { .name = "any",         .initfn = arm_max_initfn },
1164 #endif
1165 };
1166 
1167 static const TypeInfo idau_interface_type_info = {
1168     .name = TYPE_IDAU_INTERFACE,
1169     .parent = TYPE_INTERFACE,
1170     .class_size = sizeof(IDAUInterfaceClass),
1171 };
1172 
1173 static void arm_tcg_cpu_register_types(void)
1174 {
1175     size_t i;
1176 
1177     type_register_static(&idau_interface_type_info);
1178     for (i = 0; i < ARRAY_SIZE(arm_tcg_cpus); ++i) {
1179         arm_cpu_register(&arm_tcg_cpus[i]);
1180     }
1181 }
1182 
1183 type_init(arm_tcg_cpu_register_types)
1184 
1185 #endif /* !CONFIG_USER_ONLY || !TARGET_AARCH64 */
1186