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Diffstat (limited to 'include/system/hvf.h')
-rw-r--r-- | include/system/hvf.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/include/system/hvf.h b/include/system/hvf.h new file mode 100644 index 0000000..a9a502f --- /dev/null +++ b/include/system/hvf.h @@ -0,0 +1,77 @@ +/* + * QEMU Hypervisor.framework (HVF) support + * + * Copyright Google Inc., 2017 + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +/* header to be included in non-HVF-specific code */ + +#ifndef HVF_H +#define HVF_H + +#include "qemu/accel.h" +#include "qemu/queue.h" +#include "exec/vaddr.h" +#include "qom/object.h" +#include "exec/vaddr.h" + +#ifdef COMPILING_PER_TARGET +# ifdef CONFIG_HVF +# define CONFIG_HVF_IS_POSSIBLE +# endif /* !CONFIG_HVF */ +#else +# define CONFIG_HVF_IS_POSSIBLE +#endif /* COMPILING_PER_TARGET */ + +#ifdef CONFIG_HVF_IS_POSSIBLE +extern bool hvf_allowed; +#define hvf_enabled() (hvf_allowed) +#else /* !CONFIG_HVF_IS_POSSIBLE */ +#define hvf_enabled() 0 +#endif /* !CONFIG_HVF_IS_POSSIBLE */ + +#define TYPE_HVF_ACCEL ACCEL_CLASS_NAME("hvf") + +typedef struct HVFState HVFState; +DECLARE_INSTANCE_CHECKER(HVFState, HVF_STATE, + TYPE_HVF_ACCEL) + +#ifdef COMPILING_PER_TARGET +struct hvf_sw_breakpoint { + vaddr pc; + vaddr saved_insn; + int use_count; + QTAILQ_ENTRY(hvf_sw_breakpoint) entry; +}; + +struct hvf_sw_breakpoint *hvf_find_sw_breakpoint(CPUState *cpu, + vaddr pc); +int hvf_sw_breakpoints_active(CPUState *cpu); + +int hvf_arch_insert_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp); +int hvf_arch_remove_sw_breakpoint(CPUState *cpu, struct hvf_sw_breakpoint *bp); +int hvf_arch_insert_hw_breakpoint(vaddr addr, vaddr len, int type); +int hvf_arch_remove_hw_breakpoint(vaddr addr, vaddr len, int type); +void hvf_arch_remove_all_hw_breakpoints(void); + +/* + * hvf_update_guest_debug: + * @cs: CPUState for the CPU to update + * + * Update guest to enable or disable debugging. Per-arch specifics will be + * handled by calling down to hvf_arch_update_guest_debug. + */ +int hvf_update_guest_debug(CPUState *cpu); +void hvf_arch_update_guest_debug(CPUState *cpu); + +/* + * Return whether the guest supports debugging. + */ +bool hvf_arch_supports_guest_debug(void); +#endif /* COMPILING_PER_TARGET */ + +#endif |