1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * QEMU LoongArch CPU -- internal functions and types 4 * 5 * Copyright (c) 2021 Loongson Technology Corporation Limited 6 */ 7 8 #ifndef LOONGARCH_INTERNALS_H 9 #define LOONGARCH_INTERNALS_H 10 11 #define FCMP_LT 0b0001 /* fp0 < fp1 */ 12 #define FCMP_EQ 0b0010 /* fp0 = fp1 */ 13 #define FCMP_UN 0b0100 /* unordered */ 14 #define FCMP_GT 0b1000 /* fp0 > fp1 */ 15 16 #define TARGET_PHYS_MASK MAKE_64BIT_MASK(0, TARGET_PHYS_ADDR_SPACE_BITS) 17 #define TARGET_VIRT_MASK MAKE_64BIT_MASK(0, TARGET_VIRT_ADDR_SPACE_BITS) 18 19 void loongarch_translate_init(void); 20 21 void loongarch_cpu_dump_state(CPUState *cpu, FILE *f, int flags); 22 23 void G_NORETURN do_raise_exception(CPULoongArchState *env, 24 uint32_t exception, 25 uintptr_t pc); 26 27 const char *loongarch_exception_name(int32_t exception); 28 29 #ifdef CONFIG_TCG 30 int ieee_ex_to_loongarch(int xcpt); 31 void restore_fp_status(CPULoongArchState *env); 32 #endif 33 34 #ifndef CONFIG_USER_ONLY 35 enum { 36 TLBRET_MATCH = 0, 37 TLBRET_BADADDR = 1, 38 TLBRET_NOMATCH = 2, 39 TLBRET_INVALID = 3, 40 TLBRET_DIRTY = 4, 41 TLBRET_RI = 5, 42 TLBRET_XI = 6, 43 TLBRET_PE = 7, 44 }; 45 46 extern const VMStateDescription vmstate_loongarch_cpu; 47 48 void loongarch_cpu_set_irq(void *opaque, int irq, int level); 49 50 void loongarch_constant_timer_cb(void *opaque); 51 uint64_t cpu_loongarch_get_constant_timer_counter(LoongArchCPU *cpu); 52 uint64_t cpu_loongarch_get_constant_timer_ticks(LoongArchCPU *cpu); 53 void cpu_loongarch_store_constant_timer_config(LoongArchCPU *cpu, 54 uint64_t value); 55 bool loongarch_tlb_search(CPULoongArchState *env, target_ulong vaddr, 56 int *index); 57 int get_physical_address(CPULoongArchState *env, hwaddr *physical, 58 int *prot, target_ulong address, 59 MMUAccessType access_type, int mmu_idx); 60 hwaddr loongarch_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); 61 62 #ifdef CONFIG_TCG 63 bool loongarch_cpu_tlb_fill(CPUState *cs, vaddr address, int size, 64 MMUAccessType access_type, int mmu_idx, 65 bool probe, uintptr_t retaddr); 66 #endif 67 #endif /* !CONFIG_USER_ONLY */ 68 69 uint64_t read_fcc(CPULoongArchState *env); 70 void write_fcc(CPULoongArchState *env, uint64_t val); 71 72 int loongarch_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n); 73 int loongarch_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n); 74 void loongarch_cpu_register_gdb_regs_for_features(CPUState *cs); 75 76 #endif 77