internals.h (2161B)
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 /* Global bit used for lddir/ldpte */ 20 #define LOONGARCH_PAGE_HUGE_SHIFT 6 21 /* Global bit for huge page */ 22 #define LOONGARCH_HGLOBAL_SHIFT 12 23 24 void loongarch_translate_init(void); 25 26 void loongarch_cpu_dump_state(CPUState *cpu, FILE *f, int flags); 27 28 void G_NORETURN do_raise_exception(CPULoongArchState *env, 29 uint32_t exception, 30 uintptr_t pc); 31 32 const char *loongarch_exception_name(int32_t exception); 33 34 void restore_fp_status(CPULoongArchState *env); 35 36 #ifndef CONFIG_USER_ONLY 37 extern const VMStateDescription vmstate_loongarch_cpu; 38 39 void loongarch_cpu_set_irq(void *opaque, int irq, int level); 40 41 void loongarch_constant_timer_cb(void *opaque); 42 uint64_t cpu_loongarch_get_constant_timer_counter(LoongArchCPU *cpu); 43 uint64_t cpu_loongarch_get_constant_timer_ticks(LoongArchCPU *cpu); 44 void cpu_loongarch_store_constant_timer_config(LoongArchCPU *cpu, 45 uint64_t value); 46 47 bool loongarch_cpu_tlb_fill(CPUState *cs, vaddr address, int size, 48 MMUAccessType access_type, int mmu_idx, 49 bool probe, uintptr_t retaddr); 50 51 hwaddr loongarch_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); 52 #endif /* !CONFIG_USER_ONLY */ 53 54 uint64_t read_fcc(CPULoongArchState *env); 55 void write_fcc(CPULoongArchState *env, uint64_t val); 56 57 int loongarch_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n); 58 int loongarch_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n); 59 void loongarch_cpu_register_gdb_regs_for_features(CPUState *cs); 60 61 #endif