include/sysemu/hvf.h

   1 /*
   2  * QEMU Hypervisor.framework (HVF) support
   3  *
   4  * Copyright Google Inc., 2017
   5  *
   6  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   7  * See the COPYING file in the top-level directory.
   8  *
   9  */
  10
  11 /* header to be included in non-HVF-specific code */
  12
  13 #ifndef HVF_H
  14 #define HVF_H
  15
  16 #include "qemu/accel.h"
  17 #include "qom/object.h"
  18
  19 #ifdef NEED_CPU_H
  20 #include "cpu.h"
  21
  22 #ifdef CONFIG_HVF
  23 uint32_t hvf_get_supported_cpuid(uint32_t func, uint32_t idx,
  24                                  int reg);
  25 extern bool hvf_allowed;
  26 #define hvf_enabled() (hvf_allowed)
  27 #else /* !CONFIG_HVF */
  28 #define hvf_enabled() 0
  29 #define hvf_get_supported_cpuid(func, idx, reg) 0
  30 #endif /* !CONFIG_HVF */
  31
  32 #endif /* NEED_CPU_H */
  33
  34 #define TYPE_HVF_ACCEL ACCEL_CLASS_NAME("hvf")
  35
  36 typedef struct HVFState HVFState;
  37 DECLARE_INSTANCE_CHECKER(HVFState, HVF_STATE,
  38                          TYPE_HVF_ACCEL)
  39
  40 #ifdef NEED_CPU_H
  41 struct hvf_sw_breakpoint {
  42     target_ulong pc;
  43     target_ulong saved_insn;
  44     int use_count;
  45     QTAILQ_ENTRY(hvf_sw_breakpoint) entry;
  46 };
  47
  48 struct hvf_sw_breakpoint *hvf_find_sw_breakpoint(CPUState *cpu,
  49                                                  target_ulong pc);
  50 int hvf_sw_breakpoints_active(CPUState *cpu);
  51
  52 int hvf_arch_insert_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp);
  53 int hvf_arch_remove_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp);
  54 int hvf_arch_insert_hw_breakpoint(target_ulong addr, target_ulong len,
  55                                   int type);
  56 int hvf_arch_remove_hw_breakpoint(target_ulong addr, target_ulong len,
  57                                   int type);
  58 void hvf_arch_remove_all_hw_breakpoints(void);
  59
  60 /*
  61  * hvf_update_guest_debug:
  62  * @cs: CPUState for the CPU to update
  63  *
  64  * Update guest to enable or disable debugging. Per-arch specifics will be
  65  * handled by calling down to hvf_arch_update_guest_debug.
  66  */
  67 int hvf_update_guest_debug(CPUState *cpu);
  68 void hvf_arch_update_guest_debug(CPUState *cpu);
  69
  70 /*
  71  * Return whether the guest supports debugging.
  72  */
  73 bool hvf_arch_supports_guest_debug(void);
  74 #endif /* NEED_CPU_H */
  75
  76 #endif