| 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_VIRT_MASK MAKE_64BIT_MASK(0, TARGET_VIRT_ADDR_SPACE_BITS) |
| 17 | |
| 18 | void loongarch_translate_init(void); |
| 19 | void loongarch_translate_code(CPUState *cs, TranslationBlock *tb, |
| 20 | int *max_insns, vaddr pc, void *host_pc); |
| 21 | |
| 22 | void G_NORETURN do_raise_exception(CPULoongArchState *env, |
| 23 | uint32_t exception, |
| 24 | uintptr_t pc); |
| 25 | |
| 26 | #ifdef CONFIG_TCG |
| 27 | int ieee_ex_to_loongarch(int xcpt); |
| 28 | void restore_fp_status(CPULoongArchState *env); |
| 29 | #endif |
| 30 | |
| 31 | #ifndef CONFIG_USER_ONLY |
| 32 | extern const VMStateDescription vmstate_loongarch_cpu; |
| 33 | |
| 34 | void loongarch_cpu_update_irq(LoongArchCPU *cpu, uint64_t old); |
| 35 | void loongarch_cpu_set_irq(void *opaque, int irq, int level); |
| 36 | |
| 37 | void loongarch_constant_timer_cb(void *opaque); |
| 38 | uint64_t cpu_loongarch_get_constant_timer_counter(LoongArchCPU *cpu); |
| 39 | uint64_t cpu_loongarch_get_constant_timer_ticks(LoongArchCPU *cpu); |
| 40 | void cpu_loongarch_store_constant_timer_config(LoongArchCPU *cpu, |
| 41 | uint64_t value); |
| 42 | bool loongarch_cpu_has_work(CPUState *cs); |
| 43 | bool cpu_loongarch_hw_interrupts_pending(CPULoongArchState *env); |
| 44 | #endif /* !CONFIG_USER_ONLY */ |
| 45 | |
| 46 | uint64_t read_fcc(CPULoongArchState *env); |
| 47 | void write_fcc(CPULoongArchState *env, uint64_t val); |
| 48 | |
| 49 | int loongarch_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n); |
| 50 | int loongarch_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n); |
| 51 | void loongarch_cpu_register_gdb_regs_for_features(CPUState *cs); |
| 52 | int loongarch_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu, |
| 53 | int cpuid, DumpState *s); |
| 54 | |
| 55 | #endif |