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 COMPILING_PER_TARGET 20 #include "cpu.h" 21 22 #ifdef CONFIG_HVF 23 extern bool hvf_allowed; 24 #define hvf_enabled() (hvf_allowed) 25 #else /* !CONFIG_HVF */ 26 #define hvf_enabled() 0 27 #endif /* !CONFIG_HVF */ 28 29 #endif /* COMPILING_PER_TARGET */ 30 31 #define TYPE_HVF_ACCEL ACCEL_CLASS_NAME("hvf") 32 33 typedef struct HVFState HVFState; 34 DECLARE_INSTANCE_CHECKER(HVFState, HVF_STATE, 35 TYPE_HVF_ACCEL) 36 37 #ifdef COMPILING_PER_TARGET 38 struct hvf_sw_breakpoint { 39 vaddr pc; 40 vaddr saved_insn; 41 int use_count; 42 QTAILQ_ENTRY(hvf_sw_breakpoint) entry; 43 }; 44 45 struct hvf_sw_breakpoint *hvf_find_sw_breakpoint(CPUState *cpu, 46 vaddr pc); 47 int hvf_sw_breakpoints_active(CPUState *cpu); 48 49 int hvf_arch_insert_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp); 50 int hvf_arch_remove_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp); 51 int hvf_arch_insert_hw_breakpoint(vaddr addr, vaddr len, int type); 52 int hvf_arch_remove_hw_breakpoint(vaddr addr, vaddr len, int type); 53 void hvf_arch_remove_all_hw_breakpoints(void); 54 55 /* 56 * hvf_update_guest_debug: 57 * @cs: CPUState for the CPU to update 58 * 59 * Update guest to enable or disable debugging. Per-arch specifics will be 60 * handled by calling down to hvf_arch_update_guest_debug. 61 */ 62 int hvf_update_guest_debug(CPUState *cpu); 63 void hvf_arch_update_guest_debug(CPUState *cpu); 64 65 /* 66 * Return whether the guest supports debugging. 67 */ 68 bool hvf_arch_supports_guest_debug(void); 69 #endif /* COMPILING_PER_TARGET */ 70 71 #endif 72