target/loongarch/internals.h

   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 #ifdef CONFIG_TCG
  35 int ieee_ex_to_loongarch(int xcpt);
  36 void restore_fp_status(CPULoongArchState *env);
  37 #endif
  38
  39 #ifndef CONFIG_USER_ONLY
  40 extern const VMStateDescription vmstate_loongarch_cpu;
  41
  42 void loongarch_cpu_set_irq(void *opaque, int irq, int level);
  43
  44 void loongarch_constant_timer_cb(void *opaque);
  45 uint64_t cpu_loongarch_get_constant_timer_counter(LoongArchCPU *cpu);
  46 uint64_t cpu_loongarch_get_constant_timer_ticks(LoongArchCPU *cpu);
  47 void cpu_loongarch_store_constant_timer_config(LoongArchCPU *cpu,
  48                                                uint64_t value);
  49 #ifdef CONFIG_TCG
  50 bool loongarch_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
  51                             MMUAccessType access_type, int mmu_idx,
  52                             bool probe, uintptr_t retaddr);
  53
  54 hwaddr loongarch_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
  55 #endif
  56 #endif /* !CONFIG_USER_ONLY */
  57
  58 uint64_t read_fcc(CPULoongArchState *env);
  59 void write_fcc(CPULoongArchState *env, uint64_t val);
  60
  61 int loongarch_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n);
  62 int loongarch_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n);
  63 void loongarch_cpu_register_gdb_regs_for_features(CPUState *cs);
  64
  65 #endif