xref: /qemu/target/loongarch/cpu.c (revision 7cef6d686309e2792186504ae17cf4f3eb57ef68)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * QEMU LoongArch CPU
4  *
5  * Copyright (c) 2021 Loongson Technology Corporation Limited
6  */
7 
8 #include "qemu/osdep.h"
9 #include "qemu/log.h"
10 #include "qemu/qemu-print.h"
11 #include "qapi/error.h"
12 #include "qemu/module.h"
13 #include "system/qtest.h"
14 #include "system/tcg.h"
15 #include "system/kvm.h"
16 #include "kvm/kvm_loongarch.h"
17 #include "hw/qdev-properties.h"
18 #include "exec/translation-block.h"
19 #include "cpu.h"
20 #include "internals.h"
21 #include "fpu/softfloat-helpers.h"
22 #include "csr.h"
23 #ifndef CONFIG_USER_ONLY
24 #include "system/reset.h"
25 #endif
26 #include "vec.h"
27 #ifdef CONFIG_KVM
28 #include <linux/kvm.h>
29 #endif
30 #ifdef CONFIG_TCG
31 #include "accel/tcg/cpu-ldst.h"
32 #include "accel/tcg/cpu-ops.h"
33 #include "tcg/tcg.h"
34 #endif
35 #include "tcg/tcg_loongarch.h"
36 
37 const char * const regnames[32] = {
38     "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
39     "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
40     "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
41     "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
42 };
43 
44 const char * const fregnames[32] = {
45     "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
46     "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
47     "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
48     "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
49 };
50 
51 struct TypeExcp {
52     int32_t exccode;
53     const char * const name;
54 };
55 
56 static const struct TypeExcp excp_names[] = {
57     {EXCCODE_INT, "Interrupt"},
58     {EXCCODE_PIL, "Page invalid exception for load"},
59     {EXCCODE_PIS, "Page invalid exception for store"},
60     {EXCCODE_PIF, "Page invalid exception for fetch"},
61     {EXCCODE_PME, "Page modified exception"},
62     {EXCCODE_PNR, "Page Not Readable exception"},
63     {EXCCODE_PNX, "Page Not Executable exception"},
64     {EXCCODE_PPI, "Page Privilege error"},
65     {EXCCODE_ADEF, "Address error for instruction fetch"},
66     {EXCCODE_ADEM, "Address error for Memory access"},
67     {EXCCODE_SYS, "Syscall"},
68     {EXCCODE_BRK, "Break"},
69     {EXCCODE_INE, "Instruction Non-Existent"},
70     {EXCCODE_IPE, "Instruction privilege error"},
71     {EXCCODE_FPD, "Floating Point Disabled"},
72     {EXCCODE_FPE, "Floating Point Exception"},
73     {EXCCODE_DBP, "Debug breakpoint"},
74     {EXCCODE_BCE, "Bound Check Exception"},
75     {EXCCODE_SXD, "128 bit vector instructions Disable exception"},
76     {EXCCODE_ASXD, "256 bit vector instructions Disable exception"},
77     {EXCP_HLT, "EXCP_HLT"},
78 };
79 
loongarch_exception_name(int32_t exception)80 const char *loongarch_exception_name(int32_t exception)
81 {
82     int i;
83 
84     for (i = 0; i < ARRAY_SIZE(excp_names); i++) {
85         if (excp_names[i].exccode == exception) {
86             return excp_names[i].name;
87         }
88     }
89     return "Unknown";
90 }
91 
do_raise_exception(CPULoongArchState * env,uint32_t exception,uintptr_t pc)92 void G_NORETURN do_raise_exception(CPULoongArchState *env,
93                                    uint32_t exception,
94                                    uintptr_t pc)
95 {
96     CPUState *cs = env_cpu(env);
97 
98     qemu_log_mask(CPU_LOG_INT, "%s: exception: %d (%s)\n",
99                   __func__,
100                   exception,
101                   loongarch_exception_name(exception));
102     cs->exception_index = exception;
103 
104     cpu_loop_exit_restore(cs, pc);
105 }
106 
loongarch_cpu_set_pc(CPUState * cs,vaddr value)107 static void loongarch_cpu_set_pc(CPUState *cs, vaddr value)
108 {
109     set_pc(cpu_env(cs), value);
110 }
111 
loongarch_cpu_get_pc(CPUState * cs)112 static vaddr loongarch_cpu_get_pc(CPUState *cs)
113 {
114     return cpu_env(cs)->pc;
115 }
116 
117 #ifndef CONFIG_USER_ONLY
118 #include "hw/loongarch/virt.h"
119 
loongarch_cpu_set_irq(void * opaque,int irq,int level)120 void loongarch_cpu_set_irq(void *opaque, int irq, int level)
121 {
122     LoongArchCPU *cpu = opaque;
123     CPULoongArchState *env = &cpu->env;
124     CPUState *cs = CPU(cpu);
125 
126     if (irq < 0 || irq >= N_IRQS) {
127         return;
128     }
129 
130     if (kvm_enabled()) {
131         kvm_loongarch_set_interrupt(cpu, irq, level);
132     } else if (tcg_enabled()) {
133         env->CSR_ESTAT = deposit64(env->CSR_ESTAT, irq, 1, level != 0);
134         if (FIELD_EX64(env->CSR_ESTAT, CSR_ESTAT, IS)) {
135             cpu_interrupt(cs, CPU_INTERRUPT_HARD);
136         } else {
137             cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
138         }
139     }
140 }
141 
cpu_loongarch_hw_interrupts_enabled(CPULoongArchState * env)142 static inline bool cpu_loongarch_hw_interrupts_enabled(CPULoongArchState *env)
143 {
144     bool ret = 0;
145 
146     ret = (FIELD_EX64(env->CSR_CRMD, CSR_CRMD, IE) &&
147           !(FIELD_EX64(env->CSR_DBG, CSR_DBG, DST)));
148 
149     return ret;
150 }
151 
152 /* Check if there is pending and not masked out interrupt */
cpu_loongarch_hw_interrupts_pending(CPULoongArchState * env)153 static inline bool cpu_loongarch_hw_interrupts_pending(CPULoongArchState *env)
154 {
155     uint32_t pending;
156     uint32_t status;
157 
158     pending = FIELD_EX64(env->CSR_ESTAT, CSR_ESTAT, IS);
159     status  = FIELD_EX64(env->CSR_ECFG, CSR_ECFG, LIE);
160 
161     return (pending & status) != 0;
162 }
163 #endif
164 
165 #ifdef CONFIG_TCG
166 #ifndef CONFIG_USER_ONLY
loongarch_cpu_do_interrupt(CPUState * cs)167 static void loongarch_cpu_do_interrupt(CPUState *cs)
168 {
169     CPULoongArchState *env = cpu_env(cs);
170     bool update_badinstr = 1;
171     int cause = -1;
172     bool tlbfill = FIELD_EX64(env->CSR_TLBRERA, CSR_TLBRERA, ISTLBR);
173     uint32_t vec_size = FIELD_EX64(env->CSR_ECFG, CSR_ECFG, VS);
174 
175     if (cs->exception_index != EXCCODE_INT) {
176         qemu_log_mask(CPU_LOG_INT,
177                      "%s enter: pc " TARGET_FMT_lx " ERA " TARGET_FMT_lx
178                      " TLBRERA " TARGET_FMT_lx " exception: %d (%s)\n",
179                      __func__, env->pc, env->CSR_ERA, env->CSR_TLBRERA,
180                      cs->exception_index,
181                      loongarch_exception_name(cs->exception_index));
182     }
183 
184     switch (cs->exception_index) {
185     case EXCCODE_DBP:
186         env->CSR_DBG = FIELD_DP64(env->CSR_DBG, CSR_DBG, DCL, 1);
187         env->CSR_DBG = FIELD_DP64(env->CSR_DBG, CSR_DBG, ECODE, 0xC);
188         goto set_DERA;
189     set_DERA:
190         env->CSR_DERA = env->pc;
191         env->CSR_DBG = FIELD_DP64(env->CSR_DBG, CSR_DBG, DST, 1);
192         set_pc(env, env->CSR_EENTRY + 0x480);
193         break;
194     case EXCCODE_INT:
195         if (FIELD_EX64(env->CSR_DBG, CSR_DBG, DST)) {
196             env->CSR_DBG = FIELD_DP64(env->CSR_DBG, CSR_DBG, DEI, 1);
197             goto set_DERA;
198         }
199         QEMU_FALLTHROUGH;
200     case EXCCODE_PIF:
201     case EXCCODE_ADEF:
202         cause = cs->exception_index;
203         update_badinstr = 0;
204         break;
205     case EXCCODE_SYS:
206     case EXCCODE_BRK:
207     case EXCCODE_INE:
208     case EXCCODE_IPE:
209     case EXCCODE_FPD:
210     case EXCCODE_FPE:
211     case EXCCODE_SXD:
212     case EXCCODE_ASXD:
213         env->CSR_BADV = env->pc;
214         QEMU_FALLTHROUGH;
215     case EXCCODE_BCE:
216     case EXCCODE_ADEM:
217     case EXCCODE_PIL:
218     case EXCCODE_PIS:
219     case EXCCODE_PME:
220     case EXCCODE_PNR:
221     case EXCCODE_PNX:
222     case EXCCODE_PPI:
223         cause = cs->exception_index;
224         break;
225     default:
226         qemu_log("Error: exception(%d) has not been supported\n",
227                  cs->exception_index);
228         abort();
229     }
230 
231     if (update_badinstr) {
232         env->CSR_BADI = cpu_ldl_code(env, env->pc);
233     }
234 
235     /* Save PLV and IE */
236     if (tlbfill) {
237         env->CSR_TLBRPRMD = FIELD_DP64(env->CSR_TLBRPRMD, CSR_TLBRPRMD, PPLV,
238                                        FIELD_EX64(env->CSR_CRMD,
239                                        CSR_CRMD, PLV));
240         env->CSR_TLBRPRMD = FIELD_DP64(env->CSR_TLBRPRMD, CSR_TLBRPRMD, PIE,
241                                        FIELD_EX64(env->CSR_CRMD, CSR_CRMD, IE));
242         /* set the DA mode */
243         env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, DA, 1);
244         env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PG, 0);
245         env->CSR_TLBRERA = FIELD_DP64(env->CSR_TLBRERA, CSR_TLBRERA,
246                                       PC, (env->pc >> 2));
247     } else {
248         env->CSR_ESTAT = FIELD_DP64(env->CSR_ESTAT, CSR_ESTAT, ECODE,
249                                     EXCODE_MCODE(cause));
250         env->CSR_ESTAT = FIELD_DP64(env->CSR_ESTAT, CSR_ESTAT, ESUBCODE,
251                                     EXCODE_SUBCODE(cause));
252         env->CSR_PRMD = FIELD_DP64(env->CSR_PRMD, CSR_PRMD, PPLV,
253                                    FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PLV));
254         env->CSR_PRMD = FIELD_DP64(env->CSR_PRMD, CSR_PRMD, PIE,
255                                    FIELD_EX64(env->CSR_CRMD, CSR_CRMD, IE));
256         env->CSR_ERA = env->pc;
257     }
258 
259     env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PLV, 0);
260     env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, IE, 0);
261 
262     if (vec_size) {
263         vec_size = (1 << vec_size) * 4;
264     }
265 
266     if  (cs->exception_index == EXCCODE_INT) {
267         /* Interrupt */
268         uint32_t vector = 0;
269         uint32_t pending = FIELD_EX64(env->CSR_ESTAT, CSR_ESTAT, IS);
270         pending &= FIELD_EX64(env->CSR_ECFG, CSR_ECFG, LIE);
271 
272         /* Find the highest-priority interrupt. */
273         vector = 31 - clz32(pending);
274         set_pc(env, env->CSR_EENTRY + \
275                (EXCCODE_EXTERNAL_INT + vector) * vec_size);
276         qemu_log_mask(CPU_LOG_INT,
277                       "%s: PC " TARGET_FMT_lx " ERA " TARGET_FMT_lx
278                       " cause %d\n" "    A " TARGET_FMT_lx " D "
279                       TARGET_FMT_lx " vector = %d ExC " TARGET_FMT_lx "ExS"
280                       TARGET_FMT_lx "\n",
281                       __func__, env->pc, env->CSR_ERA,
282                       cause, env->CSR_BADV, env->CSR_DERA, vector,
283                       env->CSR_ECFG, env->CSR_ESTAT);
284     } else {
285         if (tlbfill) {
286             set_pc(env, env->CSR_TLBRENTRY);
287         } else {
288             set_pc(env, env->CSR_EENTRY + EXCODE_MCODE(cause) * vec_size);
289         }
290         qemu_log_mask(CPU_LOG_INT,
291                       "%s: PC " TARGET_FMT_lx " ERA " TARGET_FMT_lx
292                       " cause %d%s\n, ESTAT " TARGET_FMT_lx
293                       " EXCFG " TARGET_FMT_lx " BADVA " TARGET_FMT_lx
294                       "BADI " TARGET_FMT_lx " SYS_NUM " TARGET_FMT_lu
295                       " cpu %d asid " TARGET_FMT_lx "\n", __func__, env->pc,
296                       tlbfill ? env->CSR_TLBRERA : env->CSR_ERA,
297                       cause, tlbfill ? "(refill)" : "", env->CSR_ESTAT,
298                       env->CSR_ECFG,
299                       tlbfill ? env->CSR_TLBRBADV : env->CSR_BADV,
300                       env->CSR_BADI, env->gpr[11], cs->cpu_index,
301                       env->CSR_ASID);
302     }
303     cs->exception_index = -1;
304 }
305 
loongarch_cpu_do_transaction_failed(CPUState * cs,hwaddr physaddr,vaddr addr,unsigned size,MMUAccessType access_type,int mmu_idx,MemTxAttrs attrs,MemTxResult response,uintptr_t retaddr)306 static void loongarch_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
307                                                 vaddr addr, unsigned size,
308                                                 MMUAccessType access_type,
309                                                 int mmu_idx, MemTxAttrs attrs,
310                                                 MemTxResult response,
311                                                 uintptr_t retaddr)
312 {
313     CPULoongArchState *env = cpu_env(cs);
314 
315     if (access_type == MMU_INST_FETCH) {
316         do_raise_exception(env, EXCCODE_ADEF, retaddr);
317     } else {
318         do_raise_exception(env, EXCCODE_ADEM, retaddr);
319     }
320 }
321 
loongarch_cpu_exec_interrupt(CPUState * cs,int interrupt_request)322 static bool loongarch_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
323 {
324     if (interrupt_request & CPU_INTERRUPT_HARD) {
325         CPULoongArchState *env = cpu_env(cs);
326 
327         if (cpu_loongarch_hw_interrupts_enabled(env) &&
328             cpu_loongarch_hw_interrupts_pending(env)) {
329             /* Raise it */
330             cs->exception_index = EXCCODE_INT;
331             loongarch_cpu_do_interrupt(cs);
332             return true;
333         }
334     }
335     return false;
336 }
337 #endif
338 
loongarch_get_tb_cpu_state(CPUState * cs)339 static TCGTBCPUState loongarch_get_tb_cpu_state(CPUState *cs)
340 {
341     CPULoongArchState *env = cpu_env(cs);
342     uint32_t flags;
343 
344     flags = env->CSR_CRMD & (R_CSR_CRMD_PLV_MASK | R_CSR_CRMD_PG_MASK);
345     flags |= FIELD_EX64(env->CSR_EUEN, CSR_EUEN, FPE) * HW_FLAGS_EUEN_FPE;
346     flags |= FIELD_EX64(env->CSR_EUEN, CSR_EUEN, SXE) * HW_FLAGS_EUEN_SXE;
347     flags |= FIELD_EX64(env->CSR_EUEN, CSR_EUEN, ASXE) * HW_FLAGS_EUEN_ASXE;
348     flags |= is_va32(env) * HW_FLAGS_VA32;
349 
350     return (TCGTBCPUState){ .pc = env->pc, .flags = flags };
351 }
352 
loongarch_cpu_synchronize_from_tb(CPUState * cs,const TranslationBlock * tb)353 static void loongarch_cpu_synchronize_from_tb(CPUState *cs,
354                                               const TranslationBlock *tb)
355 {
356     tcg_debug_assert(!tcg_cflags_has(cs, CF_PCREL));
357     set_pc(cpu_env(cs), tb->pc);
358 }
359 
loongarch_restore_state_to_opc(CPUState * cs,const TranslationBlock * tb,const uint64_t * data)360 static void loongarch_restore_state_to_opc(CPUState *cs,
361                                            const TranslationBlock *tb,
362                                            const uint64_t *data)
363 {
364     set_pc(cpu_env(cs), data[0]);
365 }
366 #endif /* CONFIG_TCG */
367 
368 #ifndef CONFIG_USER_ONLY
loongarch_cpu_has_work(CPUState * cs)369 static bool loongarch_cpu_has_work(CPUState *cs)
370 {
371     bool has_work = false;
372 
373     if ((cs->interrupt_request & CPU_INTERRUPT_HARD) &&
374         cpu_loongarch_hw_interrupts_pending(cpu_env(cs))) {
375         has_work = true;
376     }
377 
378     return has_work;
379 }
380 #endif /* !CONFIG_USER_ONLY */
381 
loongarch_cpu_mmu_index(CPUState * cs,bool ifetch)382 static int loongarch_cpu_mmu_index(CPUState *cs, bool ifetch)
383 {
384     CPULoongArchState *env = cpu_env(cs);
385 
386     if (FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PG)) {
387         return FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PLV);
388     }
389     return MMU_DA_IDX;
390 }
391 
loongarch_la464_init_csr(Object * obj)392 static void loongarch_la464_init_csr(Object *obj)
393 {
394 #ifndef CONFIG_USER_ONLY
395     static bool initialized;
396     LoongArchCPU *cpu = LOONGARCH_CPU(obj);
397     CPULoongArchState *env = &cpu->env;
398     int i, num;
399 
400     if (!initialized) {
401         initialized = true;
402         num = FIELD_EX64(env->CSR_PRCFG1, CSR_PRCFG1, SAVE_NUM);
403         for (i = num; i < 16; i++) {
404             set_csr_flag(LOONGARCH_CSR_SAVE(i), CSRFL_UNUSED);
405         }
406         set_csr_flag(LOONGARCH_CSR_IMPCTL1, CSRFL_UNUSED);
407         set_csr_flag(LOONGARCH_CSR_IMPCTL2, CSRFL_UNUSED);
408         set_csr_flag(LOONGARCH_CSR_MERRCTL, CSRFL_UNUSED);
409         set_csr_flag(LOONGARCH_CSR_MERRINFO1, CSRFL_UNUSED);
410         set_csr_flag(LOONGARCH_CSR_MERRINFO2, CSRFL_UNUSED);
411         set_csr_flag(LOONGARCH_CSR_MERRENTRY, CSRFL_UNUSED);
412         set_csr_flag(LOONGARCH_CSR_MERRERA, CSRFL_UNUSED);
413         set_csr_flag(LOONGARCH_CSR_MERRSAVE, CSRFL_UNUSED);
414         set_csr_flag(LOONGARCH_CSR_CTAG, CSRFL_UNUSED);
415     }
416 #endif
417 }
418 
loongarch_la464_initfn(Object * obj)419 static void loongarch_la464_initfn(Object *obj)
420 {
421     LoongArchCPU *cpu = LOONGARCH_CPU(obj);
422     CPULoongArchState *env = &cpu->env;
423     uint32_t data = 0, field;
424     int i;
425 
426     for (i = 0; i < 21; i++) {
427         env->cpucfg[i] = 0x0;
428     }
429 
430     cpu->dtb_compatible = "loongarch,Loongson-3A5000";
431     env->cpucfg[0] = 0x14c010;  /* PRID */
432 
433     data = FIELD_DP32(data, CPUCFG1, ARCH, 2);
434     data = FIELD_DP32(data, CPUCFG1, PGMMU, 1);
435     data = FIELD_DP32(data, CPUCFG1, IOCSR, 1);
436     if (kvm_enabled()) {
437         /* GPA address width of VM is 47, field value is 47 - 1 */
438         field = 0x2e;
439     } else {
440         field = 0x2f; /* 48 bit - 1 */
441     }
442     data = FIELD_DP32(data, CPUCFG1, PALEN, field);
443     data = FIELD_DP32(data, CPUCFG1, VALEN, 0x2f);
444     data = FIELD_DP32(data, CPUCFG1, UAL, 1);
445     data = FIELD_DP32(data, CPUCFG1, RI, 1);
446     data = FIELD_DP32(data, CPUCFG1, EP, 1);
447     data = FIELD_DP32(data, CPUCFG1, RPLV, 1);
448     data = FIELD_DP32(data, CPUCFG1, HP, 1);
449     data = FIELD_DP32(data, CPUCFG1, CRC, 1);
450     env->cpucfg[1] = data;
451 
452     data = 0;
453     data = FIELD_DP32(data, CPUCFG2, FP, 1);
454     data = FIELD_DP32(data, CPUCFG2, FP_SP, 1);
455     data = FIELD_DP32(data, CPUCFG2, FP_DP, 1);
456     data = FIELD_DP32(data, CPUCFG2, FP_VER, 1);
457     data = FIELD_DP32(data, CPUCFG2, LSX, 1),
458     data = FIELD_DP32(data, CPUCFG2, LASX, 1),
459     data = FIELD_DP32(data, CPUCFG2, LLFTP, 1);
460     data = FIELD_DP32(data, CPUCFG2, LLFTP_VER, 1);
461     data = FIELD_DP32(data, CPUCFG2, LSPW, 1);
462     data = FIELD_DP32(data, CPUCFG2, LAM, 1);
463     env->cpucfg[2] = data;
464 
465     env->cpucfg[4] = 100 * 1000 * 1000; /* Crystal frequency */
466 
467     data = 0;
468     data = FIELD_DP32(data, CPUCFG5, CC_MUL, 1);
469     data = FIELD_DP32(data, CPUCFG5, CC_DIV, 1);
470     env->cpucfg[5] = data;
471 
472     data = 0;
473     data = FIELD_DP32(data, CPUCFG16, L1_IUPRE, 1);
474     data = FIELD_DP32(data, CPUCFG16, L1_DPRE, 1);
475     data = FIELD_DP32(data, CPUCFG16, L2_IUPRE, 1);
476     data = FIELD_DP32(data, CPUCFG16, L2_IUUNIFY, 1);
477     data = FIELD_DP32(data, CPUCFG16, L2_IUPRIV, 1);
478     data = FIELD_DP32(data, CPUCFG16, L3_IUPRE, 1);
479     data = FIELD_DP32(data, CPUCFG16, L3_IUUNIFY, 1);
480     data = FIELD_DP32(data, CPUCFG16, L3_IUINCL, 1);
481     env->cpucfg[16] = data;
482 
483     data = 0;
484     data = FIELD_DP32(data, CPUCFG17, L1IU_WAYS, 3);
485     data = FIELD_DP32(data, CPUCFG17, L1IU_SETS, 8);
486     data = FIELD_DP32(data, CPUCFG17, L1IU_SIZE, 6);
487     env->cpucfg[17] = data;
488 
489     data = 0;
490     data = FIELD_DP32(data, CPUCFG18, L1D_WAYS, 3);
491     data = FIELD_DP32(data, CPUCFG18, L1D_SETS, 8);
492     data = FIELD_DP32(data, CPUCFG18, L1D_SIZE, 6);
493     env->cpucfg[18] = data;
494 
495     data = 0;
496     data = FIELD_DP32(data, CPUCFG19, L2IU_WAYS, 15);
497     data = FIELD_DP32(data, CPUCFG19, L2IU_SETS, 8);
498     data = FIELD_DP32(data, CPUCFG19, L2IU_SIZE, 6);
499     env->cpucfg[19] = data;
500 
501     data = 0;
502     data = FIELD_DP32(data, CPUCFG20, L3IU_WAYS, 15);
503     data = FIELD_DP32(data, CPUCFG20, L3IU_SETS, 14);
504     data = FIELD_DP32(data, CPUCFG20, L3IU_SIZE, 6);
505     env->cpucfg[20] = data;
506 
507     env->CSR_ASID = FIELD_DP64(0, CSR_ASID, ASIDBITS, 0xa);
508 
509     env->CSR_PRCFG1 = FIELD_DP64(env->CSR_PRCFG1, CSR_PRCFG1, SAVE_NUM, 8);
510     env->CSR_PRCFG1 = FIELD_DP64(env->CSR_PRCFG1, CSR_PRCFG1, TIMER_BITS, 0x2f);
511     env->CSR_PRCFG1 = FIELD_DP64(env->CSR_PRCFG1, CSR_PRCFG1, VSMAX, 7);
512 
513     env->CSR_PRCFG2 = 0x3ffff000;
514 
515     env->CSR_PRCFG3 = FIELD_DP64(env->CSR_PRCFG3, CSR_PRCFG3, TLB_TYPE, 2);
516     env->CSR_PRCFG3 = FIELD_DP64(env->CSR_PRCFG3, CSR_PRCFG3, MTLB_ENTRY, 63);
517     env->CSR_PRCFG3 = FIELD_DP64(env->CSR_PRCFG3, CSR_PRCFG3, STLB_WAYS, 7);
518     env->CSR_PRCFG3 = FIELD_DP64(env->CSR_PRCFG3, CSR_PRCFG3, STLB_SETS, 8);
519 
520     loongarch_la464_init_csr(obj);
521     loongarch_cpu_post_init(obj);
522 }
523 
loongarch_la132_initfn(Object * obj)524 static void loongarch_la132_initfn(Object *obj)
525 {
526     LoongArchCPU *cpu = LOONGARCH_CPU(obj);
527     CPULoongArchState *env = &cpu->env;
528     uint32_t data = 0;
529     int i;
530 
531     for (i = 0; i < 21; i++) {
532         env->cpucfg[i] = 0x0;
533     }
534 
535     cpu->dtb_compatible = "loongarch,Loongson-1C103";
536     env->cpucfg[0] = 0x148042;  /* PRID */
537 
538     data = FIELD_DP32(data, CPUCFG1, ARCH, 1); /* LA32 */
539     data = FIELD_DP32(data, CPUCFG1, PGMMU, 1);
540     data = FIELD_DP32(data, CPUCFG1, IOCSR, 1);
541     data = FIELD_DP32(data, CPUCFG1, PALEN, 0x1f); /* 32 bits */
542     data = FIELD_DP32(data, CPUCFG1, VALEN, 0x1f); /* 32 bits */
543     data = FIELD_DP32(data, CPUCFG1, UAL, 1);
544     data = FIELD_DP32(data, CPUCFG1, RI, 0);
545     data = FIELD_DP32(data, CPUCFG1, EP, 0);
546     data = FIELD_DP32(data, CPUCFG1, RPLV, 0);
547     data = FIELD_DP32(data, CPUCFG1, HP, 1);
548     data = FIELD_DP32(data, CPUCFG1, CRC, 1);
549     env->cpucfg[1] = data;
550 }
551 
loongarch_max_initfn(Object * obj)552 static void loongarch_max_initfn(Object *obj)
553 {
554     /* '-cpu max' for TCG: we use cpu la464. */
555     loongarch_la464_initfn(obj);
556 }
557 
loongarch_cpu_reset_hold(Object * obj,ResetType type)558 static void loongarch_cpu_reset_hold(Object *obj, ResetType type)
559 {
560     uint8_t tlb_ps;
561     CPUState *cs = CPU(obj);
562     LoongArchCPUClass *lacc = LOONGARCH_CPU_GET_CLASS(obj);
563     CPULoongArchState *env = cpu_env(cs);
564 
565     if (lacc->parent_phases.hold) {
566         lacc->parent_phases.hold(obj, type);
567     }
568 
569 #ifdef CONFIG_TCG
570     env->fcsr0_mask = FCSR0_M1 | FCSR0_M2 | FCSR0_M3;
571 #endif
572     env->fcsr0 = 0x0;
573 
574     int n;
575     /* Set csr registers value after reset, see the manual 6.4. */
576     env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PLV, 0);
577     env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, IE, 0);
578     env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, DA, 1);
579     env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PG, 0);
580     env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, DATF, 0);
581     env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, DATM, 0);
582 
583     env->CSR_EUEN = FIELD_DP64(env->CSR_EUEN, CSR_EUEN, FPE, 0);
584     env->CSR_EUEN = FIELD_DP64(env->CSR_EUEN, CSR_EUEN, SXE, 0);
585     env->CSR_EUEN = FIELD_DP64(env->CSR_EUEN, CSR_EUEN, ASXE, 0);
586     env->CSR_EUEN = FIELD_DP64(env->CSR_EUEN, CSR_EUEN, BTE, 0);
587 
588     env->CSR_MISC = 0;
589 
590     env->CSR_ECFG = FIELD_DP64(env->CSR_ECFG, CSR_ECFG, VS, 0);
591     env->CSR_ECFG = FIELD_DP64(env->CSR_ECFG, CSR_ECFG, LIE, 0);
592 
593     env->CSR_ESTAT = env->CSR_ESTAT & (~MAKE_64BIT_MASK(0, 2));
594     env->CSR_RVACFG = FIELD_DP64(env->CSR_RVACFG, CSR_RVACFG, RBITS, 0);
595     env->CSR_CPUID = cs->cpu_index;
596     env->CSR_TCFG = FIELD_DP64(env->CSR_TCFG, CSR_TCFG, EN, 0);
597     env->CSR_LLBCTL = FIELD_DP64(env->CSR_LLBCTL, CSR_LLBCTL, KLO, 0);
598     env->CSR_TLBRERA = FIELD_DP64(env->CSR_TLBRERA, CSR_TLBRERA, ISTLBR, 0);
599     env->CSR_MERRCTL = FIELD_DP64(env->CSR_MERRCTL, CSR_MERRCTL, ISMERR, 0);
600     env->CSR_TID = cs->cpu_index;
601     /*
602      * Workaround for edk2-stable202408, CSR PGD register is set only if
603      * its value is equal to zero for boot cpu, it causes reboot issue.
604      *
605      * Here clear CSR registers relative with TLB.
606      */
607     env->CSR_PGDH = 0;
608     env->CSR_PGDL = 0;
609     env->CSR_PWCH = 0;
610     env->CSR_EENTRY = 0;
611     env->CSR_TLBRENTRY = 0;
612     env->CSR_MERRENTRY = 0;
613     /* set CSR_PWCL.PTBASE and CSR_STLBPS.PS bits from CSR_PRCFG2 */
614     if (env->CSR_PRCFG2 == 0) {
615         env->CSR_PRCFG2 = 0x3fffff000;
616     }
617     tlb_ps = ctz32(env->CSR_PRCFG2);
618     env->CSR_STLBPS = FIELD_DP64(env->CSR_STLBPS, CSR_STLBPS, PS, tlb_ps);
619     env->CSR_PWCL = FIELD_DP64(env->CSR_PWCL, CSR_PWCL, PTBASE, tlb_ps);
620     for (n = 0; n < 4; n++) {
621         env->CSR_DMW[n] = FIELD_DP64(env->CSR_DMW[n], CSR_DMW, PLV0, 0);
622         env->CSR_DMW[n] = FIELD_DP64(env->CSR_DMW[n], CSR_DMW, PLV1, 0);
623         env->CSR_DMW[n] = FIELD_DP64(env->CSR_DMW[n], CSR_DMW, PLV2, 0);
624         env->CSR_DMW[n] = FIELD_DP64(env->CSR_DMW[n], CSR_DMW, PLV3, 0);
625     }
626 
627 #ifndef CONFIG_USER_ONLY
628     env->pc = 0x1c000000;
629 #ifdef CONFIG_TCG
630     memset(env->tlb, 0, sizeof(env->tlb));
631 #endif
632     if (kvm_enabled()) {
633         kvm_arch_reset_vcpu(cs);
634     }
635 #endif
636 
637 #ifdef CONFIG_TCG
638     restore_fp_status(env);
639 #endif
640     cs->exception_index = -1;
641 }
642 
loongarch_cpu_disas_set_info(CPUState * s,disassemble_info * info)643 static void loongarch_cpu_disas_set_info(CPUState *s, disassemble_info *info)
644 {
645     info->endian = BFD_ENDIAN_LITTLE;
646     info->print_insn = print_insn_loongarch;
647 }
648 
loongarch_cpu_realizefn(DeviceState * dev,Error ** errp)649 static void loongarch_cpu_realizefn(DeviceState *dev, Error **errp)
650 {
651     CPUState *cs = CPU(dev);
652     LoongArchCPUClass *lacc = LOONGARCH_CPU_GET_CLASS(dev);
653     Error *local_err = NULL;
654 
655     cpu_exec_realizefn(cs, &local_err);
656     if (local_err != NULL) {
657         error_propagate(errp, local_err);
658         return;
659     }
660 
661     loongarch_cpu_register_gdb_regs_for_features(cs);
662 
663     qemu_init_vcpu(cs);
664     cpu_reset(cs);
665 
666     lacc->parent_realize(dev, errp);
667 }
668 
loongarch_cpu_unrealizefn(DeviceState * dev)669 static void loongarch_cpu_unrealizefn(DeviceState *dev)
670 {
671     LoongArchCPUClass *lacc = LOONGARCH_CPU_GET_CLASS(dev);
672 
673 #ifndef CONFIG_USER_ONLY
674     cpu_remove_sync(CPU(dev));
675 #endif
676 
677     lacc->parent_unrealize(dev);
678 }
679 
loongarch_get_lsx(Object * obj,Error ** errp)680 static bool loongarch_get_lsx(Object *obj, Error **errp)
681 {
682     return LOONGARCH_CPU(obj)->lsx != ON_OFF_AUTO_OFF;
683 }
684 
loongarch_set_lsx(Object * obj,bool value,Error ** errp)685 static void loongarch_set_lsx(Object *obj, bool value, Error **errp)
686 {
687     LoongArchCPU *cpu = LOONGARCH_CPU(obj);
688     uint32_t val;
689 
690     cpu->lsx = value ? ON_OFF_AUTO_ON : ON_OFF_AUTO_OFF;
691     if (cpu->lsx == ON_OFF_AUTO_OFF) {
692         cpu->lasx = ON_OFF_AUTO_OFF;
693         if (cpu->lasx == ON_OFF_AUTO_ON) {
694             error_setg(errp, "Failed to disable LSX since LASX is enabled");
695             return;
696         }
697     }
698 
699     if (kvm_enabled()) {
700         /* kvm feature detection in function kvm_arch_init_vcpu */
701         return;
702     }
703 
704     /* LSX feature detection in TCG mode */
705     val = cpu->env.cpucfg[2];
706     if (cpu->lsx == ON_OFF_AUTO_ON) {
707         if (FIELD_EX32(val, CPUCFG2, LSX) == 0) {
708             error_setg(errp, "Failed to enable LSX in TCG mode");
709             return;
710         }
711     } else {
712         cpu->env.cpucfg[2] = FIELD_DP32(val, CPUCFG2, LASX, 0);
713         val = cpu->env.cpucfg[2];
714     }
715 
716     cpu->env.cpucfg[2] = FIELD_DP32(val, CPUCFG2, LSX, value);
717 }
718 
loongarch_get_lasx(Object * obj,Error ** errp)719 static bool loongarch_get_lasx(Object *obj, Error **errp)
720 {
721     return LOONGARCH_CPU(obj)->lasx != ON_OFF_AUTO_OFF;
722 }
723 
loongarch_set_lasx(Object * obj,bool value,Error ** errp)724 static void loongarch_set_lasx(Object *obj, bool value, Error **errp)
725 {
726     LoongArchCPU *cpu = LOONGARCH_CPU(obj);
727     uint32_t val;
728 
729     cpu->lasx = value ? ON_OFF_AUTO_ON : ON_OFF_AUTO_OFF;
730     if ((cpu->lsx == ON_OFF_AUTO_OFF) && (cpu->lasx == ON_OFF_AUTO_ON)) {
731         error_setg(errp, "Failed to enable LASX since lSX is disabled");
732         return;
733     }
734 
735     if (kvm_enabled()) {
736         /* kvm feature detection in function kvm_arch_init_vcpu */
737         return;
738     }
739 
740     /* LASX feature detection in TCG mode */
741     val = cpu->env.cpucfg[2];
742     if (cpu->lasx == ON_OFF_AUTO_ON) {
743         if (FIELD_EX32(val, CPUCFG2, LASX) == 0) {
744             error_setg(errp, "Failed to enable LASX in TCG mode");
745             return;
746         }
747     }
748 
749     cpu->env.cpucfg[2] = FIELD_DP32(val, CPUCFG2, LASX, value);
750 }
751 
loongarch_cpu_post_init(Object * obj)752 void loongarch_cpu_post_init(Object *obj)
753 {
754     LoongArchCPU *cpu = LOONGARCH_CPU(obj);
755 
756     cpu->lbt = ON_OFF_AUTO_OFF;
757     cpu->pmu = ON_OFF_AUTO_OFF;
758     cpu->lsx = ON_OFF_AUTO_AUTO;
759     cpu->lasx = ON_OFF_AUTO_AUTO;
760     object_property_add_bool(obj, "lsx", loongarch_get_lsx,
761                              loongarch_set_lsx);
762     object_property_add_bool(obj, "lasx", loongarch_get_lasx,
763                              loongarch_set_lasx);
764     /* lbt is enabled only in kvm mode, not supported in tcg mode */
765     if (kvm_enabled()) {
766         kvm_loongarch_cpu_post_init(cpu);
767     }
768 }
769 
loongarch_cpu_init(Object * obj)770 static void loongarch_cpu_init(Object *obj)
771 {
772 #ifndef CONFIG_USER_ONLY
773     LoongArchCPU *cpu = LOONGARCH_CPU(obj);
774 
775     qdev_init_gpio_in(DEVICE(cpu), loongarch_cpu_set_irq, N_IRQS);
776 #ifdef CONFIG_TCG
777     timer_init_ns(&cpu->timer, QEMU_CLOCK_VIRTUAL,
778                   &loongarch_constant_timer_cb, cpu);
779 #endif
780 #endif
781 }
782 
loongarch_cpu_class_by_name(const char * cpu_model)783 static ObjectClass *loongarch_cpu_class_by_name(const char *cpu_model)
784 {
785     ObjectClass *oc;
786 
787     oc = object_class_by_name(cpu_model);
788     if (!oc) {
789         g_autofree char *typename
790             = g_strdup_printf(LOONGARCH_CPU_TYPE_NAME("%s"), cpu_model);
791         oc = object_class_by_name(typename);
792     }
793 
794     return oc;
795 }
796 
loongarch_cpu_dump_csr(CPUState * cs,FILE * f)797 static void loongarch_cpu_dump_csr(CPUState *cs, FILE *f)
798 {
799 #ifndef CONFIG_USER_ONLY
800     CPULoongArchState *env = cpu_env(cs);
801     CSRInfo *csr_info;
802     int64_t *addr;
803     int i, j, len, col = 0;
804 
805     qemu_fprintf(f, "\n");
806 
807     /* Dump all generic CSR register */
808     for (i = 0; i < LOONGARCH_CSR_DBG; i++) {
809         csr_info = get_csr(i);
810         if (!csr_info || (csr_info->flags & CSRFL_UNUSED)) {
811             if (i == (col + 3)) {
812                 qemu_fprintf(f, "\n");
813             }
814 
815             continue;
816         }
817 
818         if ((i >  (col + 3)) || (i == col)) {
819             col = i & ~3;
820             qemu_fprintf(f, " CSR%03d:", col);
821         }
822 
823         addr = (void *)env + csr_info->offset;
824         qemu_fprintf(f, " %s ", csr_info->name);
825         len = strlen(csr_info->name);
826         for (; len < 6; len++) {
827             qemu_fprintf(f, " ");
828         }
829 
830         qemu_fprintf(f, "%" PRIx64, *addr);
831         j = find_last_bit((void *)addr, BITS_PER_LONG) & (BITS_PER_LONG - 1);
832         len += j / 4 + 1;
833         for (; len < 22; len++) {
834                 qemu_fprintf(f, " ");
835         }
836 
837         if (i == (col + 3)) {
838             qemu_fprintf(f, "\n");
839         }
840     }
841     qemu_fprintf(f, "\n");
842 #endif
843 }
844 
loongarch_cpu_dump_state(CPUState * cs,FILE * f,int flags)845 static void loongarch_cpu_dump_state(CPUState *cs, FILE *f, int flags)
846 {
847     CPULoongArchState *env = cpu_env(cs);
848     int i;
849 
850     qemu_fprintf(f, " PC=%016" PRIx64 " ", env->pc);
851     qemu_fprintf(f, " FCSR0 0x%08x\n", env->fcsr0);
852 
853     /* gpr */
854     for (i = 0; i < 32; i++) {
855         if ((i & 3) == 0) {
856             qemu_fprintf(f, " GPR%02d:", i);
857         }
858         qemu_fprintf(f, " %s %016" PRIx64, regnames[i], env->gpr[i]);
859         if ((i & 3) == 3) {
860             qemu_fprintf(f, "\n");
861         }
862     }
863 
864     /* csr */
865     loongarch_cpu_dump_csr(cs, f);
866 
867     /* fpr */
868     if (flags & CPU_DUMP_FPU) {
869         for (i = 0; i < 32; i++) {
870             qemu_fprintf(f, " %s %016" PRIx64, fregnames[i], env->fpr[i].vreg.D(0));
871             if ((i & 3) == 3) {
872                 qemu_fprintf(f, "\n");
873             }
874         }
875     }
876 }
877 
878 #ifdef CONFIG_TCG
879 static const TCGCPUOps loongarch_tcg_ops = {
880     .guest_default_memory_order = 0,
881     .mttcg_supported = true,
882 
883     .initialize = loongarch_translate_init,
884     .translate_code = loongarch_translate_code,
885     .get_tb_cpu_state = loongarch_get_tb_cpu_state,
886     .synchronize_from_tb = loongarch_cpu_synchronize_from_tb,
887     .restore_state_to_opc = loongarch_restore_state_to_opc,
888     .mmu_index = loongarch_cpu_mmu_index,
889 
890 #ifndef CONFIG_USER_ONLY
891     .tlb_fill = loongarch_cpu_tlb_fill,
892     .cpu_exec_interrupt = loongarch_cpu_exec_interrupt,
893     .cpu_exec_halt = loongarch_cpu_has_work,
894     .cpu_exec_reset = cpu_reset,
895     .do_interrupt = loongarch_cpu_do_interrupt,
896     .do_transaction_failed = loongarch_cpu_do_transaction_failed,
897 #endif
898 };
899 #endif /* CONFIG_TCG */
900 
901 #ifndef CONFIG_USER_ONLY
902 #include "hw/core/sysemu-cpu-ops.h"
903 
904 static const struct SysemuCPUOps loongarch_sysemu_ops = {
905     .has_work = loongarch_cpu_has_work,
906     .write_elf64_note = loongarch_cpu_write_elf64_note,
907     .get_phys_page_debug = loongarch_cpu_get_phys_page_debug,
908 };
909 
loongarch_cpu_get_arch_id(CPUState * cs)910 static int64_t loongarch_cpu_get_arch_id(CPUState *cs)
911 {
912     LoongArchCPU *cpu = LOONGARCH_CPU(cs);
913 
914     return cpu->phy_id;
915 }
916 #endif
917 
918 static const Property loongarch_cpu_properties[] = {
919     DEFINE_PROP_INT32("socket-id", LoongArchCPU, socket_id, 0),
920     DEFINE_PROP_INT32("core-id", LoongArchCPU, core_id, 0),
921     DEFINE_PROP_INT32("thread-id", LoongArchCPU, thread_id, 0),
922     DEFINE_PROP_INT32("node-id", LoongArchCPU, node_id, CPU_UNSET_NUMA_NODE_ID),
923 };
924 
loongarch_cpu_class_init(ObjectClass * c,const void * data)925 static void loongarch_cpu_class_init(ObjectClass *c, const void *data)
926 {
927     LoongArchCPUClass *lacc = LOONGARCH_CPU_CLASS(c);
928     CPUClass *cc = CPU_CLASS(c);
929     DeviceClass *dc = DEVICE_CLASS(c);
930     ResettableClass *rc = RESETTABLE_CLASS(c);
931 
932     device_class_set_props(dc, loongarch_cpu_properties);
933     device_class_set_parent_realize(dc, loongarch_cpu_realizefn,
934                                     &lacc->parent_realize);
935     device_class_set_parent_unrealize(dc, loongarch_cpu_unrealizefn,
936                                       &lacc->parent_unrealize);
937     resettable_class_set_parent_phases(rc, NULL, loongarch_cpu_reset_hold, NULL,
938                                        &lacc->parent_phases);
939 
940     cc->class_by_name = loongarch_cpu_class_by_name;
941     cc->dump_state = loongarch_cpu_dump_state;
942     cc->set_pc = loongarch_cpu_set_pc;
943     cc->get_pc = loongarch_cpu_get_pc;
944 #ifndef CONFIG_USER_ONLY
945     cc->get_arch_id = loongarch_cpu_get_arch_id;
946     dc->vmsd = &vmstate_loongarch_cpu;
947     cc->sysemu_ops = &loongarch_sysemu_ops;
948 #endif
949     cc->disas_set_info = loongarch_cpu_disas_set_info;
950     cc->gdb_read_register = loongarch_cpu_gdb_read_register;
951     cc->gdb_write_register = loongarch_cpu_gdb_write_register;
952     cc->gdb_stop_before_watchpoint = true;
953 
954 #ifdef CONFIG_TCG
955     cc->tcg_ops = &loongarch_tcg_ops;
956 #endif
957     dc->user_creatable = true;
958 }
959 
loongarch32_gdb_arch_name(CPUState * cs)960 static const gchar *loongarch32_gdb_arch_name(CPUState *cs)
961 {
962     return "loongarch32";
963 }
964 
loongarch32_cpu_class_init(ObjectClass * c,const void * data)965 static void loongarch32_cpu_class_init(ObjectClass *c, const void *data)
966 {
967     CPUClass *cc = CPU_CLASS(c);
968 
969     cc->gdb_core_xml_file = "loongarch-base32.xml";
970     cc->gdb_arch_name = loongarch32_gdb_arch_name;
971 }
972 
loongarch64_gdb_arch_name(CPUState * cs)973 static const gchar *loongarch64_gdb_arch_name(CPUState *cs)
974 {
975     return "loongarch64";
976 }
977 
loongarch64_cpu_class_init(ObjectClass * c,const void * data)978 static void loongarch64_cpu_class_init(ObjectClass *c, const void *data)
979 {
980     CPUClass *cc = CPU_CLASS(c);
981 
982     cc->gdb_core_xml_file = "loongarch-base64.xml";
983     cc->gdb_arch_name = loongarch64_gdb_arch_name;
984 }
985 
986 #define DEFINE_LOONGARCH_CPU_TYPE(size, model, initfn) \
987     { \
988         .parent = TYPE_LOONGARCH##size##_CPU, \
989         .instance_init = initfn, \
990         .name = LOONGARCH_CPU_TYPE_NAME(model), \
991     }
992 
993 static const TypeInfo loongarch_cpu_type_infos[] = {
994     {
995         .name = TYPE_LOONGARCH_CPU,
996         .parent = TYPE_CPU,
997         .instance_size = sizeof(LoongArchCPU),
998         .instance_align = __alignof(LoongArchCPU),
999         .instance_init = loongarch_cpu_init,
1000 
1001         .abstract = true,
1002         .class_size = sizeof(LoongArchCPUClass),
1003         .class_init = loongarch_cpu_class_init,
1004     },
1005     {
1006         .name = TYPE_LOONGARCH32_CPU,
1007         .parent = TYPE_LOONGARCH_CPU,
1008 
1009         .abstract = true,
1010         .class_init = loongarch32_cpu_class_init,
1011     },
1012     {
1013         .name = TYPE_LOONGARCH64_CPU,
1014         .parent = TYPE_LOONGARCH_CPU,
1015 
1016         .abstract = true,
1017         .class_init = loongarch64_cpu_class_init,
1018     },
1019     DEFINE_LOONGARCH_CPU_TYPE(64, "la464", loongarch_la464_initfn),
1020     DEFINE_LOONGARCH_CPU_TYPE(32, "la132", loongarch_la132_initfn),
1021     DEFINE_LOONGARCH_CPU_TYPE(64, "max", loongarch_max_initfn),
1022 };
1023 
1024 DEFINE_TYPES(loongarch_cpu_type_infos)
1025