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 vaddr pc; 43 vaddr 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 vaddr 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(vaddr addr, vaddr len, int type); 55 int hvf_arch_remove_hw_breakpoint(vaddr addr, vaddr len, int type); 56 void hvf_arch_remove_all_hw_breakpoints(void); 57 58 /* 59 * hvf_update_guest_debug: 60 * @cs: CPUState for the CPU to update 61 * 62 * Update guest to enable or disable debugging. Per-arch specifics will be 63 * handled by calling down to hvf_arch_update_guest_debug. 64 */ 65 int hvf_update_guest_debug(CPUState *cpu); 66 void hvf_arch_update_guest_debug(CPUState *cpu); 67 68 /* 69 * Return whether the guest supports debugging. 70 */ 71 bool hvf_arch_supports_guest_debug(void); 72 #endif /* NEED_CPU_H */ 73 74 #endif 75