/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * QEMU LoongArch CPU -- internal functions and types * * Copyright (c) 2021 Loongson Technology Corporation Limited */ #ifndef LOONGARCH_INTERNALS_H #define LOONGARCH_INTERNALS_H #define FCMP_LT 0b0001 /* fp0 < fp1 */ #define FCMP_EQ 0b0010 /* fp0 = fp1 */ #define FCMP_UN 0b0100 /* unordered */ #define FCMP_GT 0b1000 /* fp0 > fp1 */ #define TARGET_PHYS_MASK MAKE_64BIT_MASK(0, TARGET_PHYS_ADDR_SPACE_BITS) #define TARGET_VIRT_MASK MAKE_64BIT_MASK(0, TARGET_VIRT_ADDR_SPACE_BITS) void loongarch_translate_init(void); void loongarch_cpu_dump_state(CPUState *cpu, FILE *f, int flags); void G_NORETURN do_raise_exception(CPULoongArchState *env, uint32_t exception, uintptr_t pc); const char *loongarch_exception_name(int32_t exception); #ifdef CONFIG_TCG int ieee_ex_to_loongarch(int xcpt); void restore_fp_status(CPULoongArchState *env); #endif #ifndef CONFIG_USER_ONLY enum { TLBRET_MATCH = 0, TLBRET_BADADDR = 1, TLBRET_NOMATCH = 2, TLBRET_INVALID = 3, TLBRET_DIRTY = 4, TLBRET_RI = 5, TLBRET_XI = 6, TLBRET_PE = 7, }; extern const VMStateDescription vmstate_loongarch_cpu; void loongarch_cpu_set_irq(void *opaque, int irq, int level); void loongarch_constant_timer_cb(void *opaque); uint64_t cpu_loongarch_get_constant_timer_counter(LoongArchCPU *cpu); uint64_t cpu_loongarch_get_constant_timer_ticks(LoongArchCPU *cpu); void cpu_loongarch_store_constant_timer_config(LoongArchCPU *cpu, uint64_t value); bool loongarch_tlb_search(CPULoongArchState *env, target_ulong vaddr, int *index); int get_physical_address(CPULoongArchState *env, hwaddr *physical, int *prot, target_ulong address, MMUAccessType access_type, int mmu_idx); hwaddr loongarch_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); #ifdef CONFIG_TCG bool loongarch_cpu_tlb_fill(CPUState *cs, vaddr address, int size, MMUAccessType access_type, int mmu_idx, bool probe, uintptr_t retaddr); #endif #endif /* !CONFIG_USER_ONLY */ uint64_t read_fcc(CPULoongArchState *env); void write_fcc(CPULoongArchState *env, uint64_t val); int loongarch_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n); int loongarch_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n); void loongarch_cpu_register_gdb_regs_for_features(CPUState *cs); int loongarch_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu, int cpuid, DumpState *s); #endif