/* $Id: the-darwin-kernel.h $ */ /** @file * IPRT - Include all necessary headers for the Darwing kernel. */ /* * Copyright (C) 2006-2020 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the * VirtualBox OSE distribution, in which case the provisions of the * CDDL are applicable instead of those of the GPL. * * You may elect to license modified versions of this file under the * terms and conditions of either the GPL or the CDDL or both. */ #ifndef IPRT_INCLUDED_SRC_r0drv_darwin_the_darwin_kernel_h #define IPRT_INCLUDED_SRC_r0drv_darwin_the_darwin_kernel_h #ifndef RT_WITHOUT_PRAGMA_ONCE # pragma once #endif /* Problematic header(s) containing conflicts with IPRT first. (FreeBSD has fixed these ages ago.) */ #define __STDC_CONSTANT_MACROS #define __STDC_LIMIT_MACROS #include #include #undef ALIGN #undef MIN #undef MAX #undef PAGE_SIZE #undef PAGE_SHIFT #undef PVM /* Include the IPRT definitions of the conflicting #defines & typedefs. */ #include #include #include /* After including cdefs, we can check that this really is Darwin. */ #ifndef RT_OS_DARWIN # error "RT_OS_DARWIN must be defined!" #endif #if defined(__clang__) || RT_GNUC_PREREQ(4, 4) # pragma GCC diagnostic push #endif #if defined(__clang__) || RT_GNUC_PREREQ(4, 2) # pragma GCC diagnostic ignored "-Wc++11-extensions" # pragma GCC diagnostic ignored "-Wc99-extensions" # pragma GCC diagnostic ignored "-Wextra-semi" # pragma GCC diagnostic ignored "-Wzero-length-array" # pragma GCC diagnostic ignored "-Wgnu-zero-variadic-macro-arguments" #endif /* now we're ready for including the rest of the Darwin headers. */ #include #include #include #include #if defined(RT_ARCH_X86) && MAC_OS_X_VERSION_MIN_REQUIRED < 1060 # include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* Note! Has Assert down as a function. */ #include #include #include #if defined(__clang__) || RT_GNUC_PREREQ(4, 4) # pragma GCC diagnostic pop #endif /* See osfmk/kern/ast.h. */ #ifndef AST_PREEMPT # define AST_PREEMPT UINT32_C(1) # define AST_QUANTUM UINT32_C(2) # define AST_URGENT UINT32_C(4) #endif /* This flag was added in 10.6, it seems. Should be harmless in earlier releases... */ #if __MAC_OS_X_VERSION_MAX_ALLOWED < 1060 # define kIOMemoryMapperNone UINT32_C(0x800) #endif /* This flag was added in 10.8.2, it seems. */ #if __MAC_OS_X_VERSION_MAX_ALLOWED < 1082 # define kIOMemoryHostPhysicallyContiguous UINT32_C(0x00000080) #endif /** @name Macros for preserving EFLAGS.AC (despair / paranoid) * @remarks Unlike linux, we have to restore it unconditionally on darwin. * @{ */ #include #include #define IPRT_DARWIN_SAVE_EFL_AC() RTCCUINTREG const fSavedEfl = ASMGetFlags(); #define IPRT_DARWIN_RESTORE_EFL_AC() ASMSetFlags(fSavedEfl) #define IPRT_DARWIN_RESTORE_EFL_ONLY_AC() ASMChangeFlags(~X86_EFL_AC, fSavedEfl & X86_EFL_AC) #define IPRT_DARWIN_RESTORE_EFL_ONLY_AC_EX(a_fSavedEfl) ASMChangeFlags(~X86_EFL_AC, (a_fSavedEfl) & X86_EFL_AC) /** @} */ RT_C_DECLS_BEGIN /* mach/vm_types.h */ typedef struct pmap *pmap_t; /* vm/vm_kern.h */ extern vm_map_t kernel_map; /* vm/pmap.h */ extern pmap_t kernel_pmap; /* kern/task.h */ extern vm_map_t get_task_map(task_t); /* osfmk/i386/pmap.h */ extern ppnum_t pmap_find_phys(pmap_t, addr64_t); /* vm/vm_map.h */ extern kern_return_t vm_map_wire(vm_map_t, vm_map_offset_t, vm_map_offset_t, vm_prot_t, boolean_t); extern kern_return_t vm_map_unwire(vm_map_t, vm_map_offset_t, vm_map_offset_t, boolean_t); /* mach/i386/thread_act.h */ extern kern_return_t thread_terminate(thread_t); /* osfmk/i386/mp.h */ extern void mp_rendezvous(void (*)(void *), void (*)(void *), void (*)(void *), void *); extern void mp_rendezvous_no_intrs(void (*)(void *), void *); /* osfmk/i386/cpu_data.h */ struct my_cpu_data_x86 { struct my_cpu_data_x86 *cpu_this; thread_t cpu_active_thread; void *cpu_int_state; vm_offset_t cpu_active_stack; vm_offset_t cpu_kernel_stack; vm_offset_t cpu_int_stack_top; int cpu_preemption_level; int cpu_simple_lock_count; int cpu_interrupt_level; int cpu_number; int cpu_phys_number; cpu_id_t cpu_id; int cpu_signals; int cpu_mcount_off; /*ast_t*/uint32_t cpu_pending_ast; int cpu_type; int cpu_subtype; int cpu_threadtype; int cpu_running; }; /* osfmk/i386/cpu_number.h */ extern int cpu_number(void); /* osfmk/vm/vm_user.c */ extern kern_return_t vm_protect(vm_map_t, vm_offset_t, vm_size_t, boolean_t, vm_prot_t); /*extern kern_return_t vm_region(vm_map_t, vm_address_t *, vm_size_t *, vm_region_flavor_t, vm_region_info_t, mach_msg_type_number_t *, mach_port_t *);*/ /* i386/machine_routines.h */ extern int ml_get_max_cpus(void); RT_C_DECLS_END /* * Internals of the Darwin Ring-0 IPRT. */ RT_C_DECLS_BEGIN /* initterm-r0drv-darwin.cpp. */ typedef uint32_t * (*PFNR0DARWINASTPENDING)(void); typedef void (*PFNR0DARWINCPUINTERRUPT)(int); extern lck_grp_t *g_pDarwinLockGroup; extern PFNR0DARWINASTPENDING g_pfnR0DarwinAstPending; extern PFNR0DARWINCPUINTERRUPT g_pfnR0DarwinCpuInterrupt; #ifdef DEBUG /* Used once for debugging memory issues (see #9466). */ typedef kern_return_t (*PFNR0DARWINVMFAULTEXTERNAL)(vm_map_t, vm_map_offset_t, vm_prot_t, boolean_t, int, pmap_t, vm_map_offset_t); extern PFNR0DARWINVMFAULTEXTERNAL g_pfnR0DarwinVmFaultExternal; #endif /* threadpreempt-r0drv-darwin.cpp */ int rtThreadPreemptDarwinInit(void); void rtThreadPreemptDarwinTerm(void); RT_C_DECLS_END /** * Converts from nanoseconds to Darwin absolute time units. * @returns Darwin absolute time. * @param u64Nano Time interval in nanoseconds */ DECLINLINE(uint64_t) rtDarwinAbsTimeFromNano(const uint64_t u64Nano) { uint64_t u64AbsTime; nanoseconds_to_absolutetime(u64Nano, &u64AbsTime); return u64AbsTime; } #include /** * Convert from mach kernel return code to IPRT status code. * @todo put this where it belongs! (i.e. in a separate file and prototype in iprt/err.h) */ DECLINLINE(int) RTErrConvertFromMachKernReturn(kern_return_t rc) { switch (rc) { case KERN_SUCCESS: return VINF_SUCCESS; default: return VERR_GENERAL_FAILURE; } } #endif /* !IPRT_INCLUDED_SRC_r0drv_darwin_the_darwin_kernel_h */