1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
|
/* $Id: the-darwin-kernel.h $ */
/** @file
* IPRT - Include all necessary headers for the Darwing kernel.
*/
/*
* Copyright (C) 2006-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox 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.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
#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 <sys/param.h>
#include <mach/vm_param.h>
#undef ALIGN
#undef MIN
#undef MAX
#undef PAGE_SIZE
#undef PAGE_SHIFT
#undef PVM
/* Include the IPRT definitions of the conflicting #defines & typedefs. */
#include <iprt/cdefs.h>
#include <iprt/types.h>
#include <iprt/param.h>
/* 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 <kern/thread.h>
#include <kern/clock.h>
#include <kern/sched_prim.h>
#include <kern/locks.h>
#if defined(RT_ARCH_X86) && MAC_OS_X_VERSION_MIN_REQUIRED < 1060
# include <i386/mp_events.h>
#endif
#include <libkern/libkern.h>
#include <libkern/sysctl.h>
#include <libkern/version.h>
#include <mach/thread_act.h>
#include <mach/vm_map.h>
#include <mach/vm_region.h>
#include <pexpert/pexpert.h>
#include <sys/conf.h>
#include <sys/errno.h>
#include <sys/ioccom.h>
#include <sys/malloc.h>
#include <sys/proc.h>
#include <sys/vnode.h>
#include <sys/fcntl.h>
#include <IOKit/IOTypes.h>
#include <IOKit/IOLib.h> /* Note! Has Assert down as a function. */
#define _OS_OSUNSERIALIZE_H /* HACK ALERT! Block importing OSUnserialized.h as it causes compilation trouble with
newer clang versions and the 10.15 SDK, and we really don't need it. Sample error:
libkern/c++/OSUnserialize.h:72:2: error: use of OSPtr outside of a return type [-Werror,-Wossharedptr-misuse] */
#include <IOKit/IOMemoryDescriptor.h>
#include <IOKit/IOBufferMemoryDescriptor.h>
#include <IOKit/IOMapper.h>
#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 <iprt/asm-amd64-x86.h>
#include <iprt/x86.h>
#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 DECL_HIDDEN_DATA(lck_grp_t *) g_pDarwinLockGroup;
extern DECL_HIDDEN_DATA(PFNR0DARWINASTPENDING) g_pfnR0DarwinAstPending;
extern DECL_HIDDEN_DATA(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 DECL_HIDDEN_DATA(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 <iprt/err.h>
/**
* 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 */
|
