1# 2# Mach Operating System 3# Copyright (c) 1986 Carnegie-Mellon University 4# All rights reserved. The CMU software License Agreement 5# specifies the terms and conditions for use and redistribution. 6# 7####################################################################### 8# 9# Master machine independent configuration file. 10# 11# Specific configuration files are created based on this and 12# the machine specific master file using the doconf script. 13# 14# Any changes to the master configuration files will affect all 15# other configuration files based upon it. 16# 17####################################################################### 18# 19# To build a configuration, execute "doconf <configuration>." 20# Configurations are specified in the "Configurations:" section 21# of the MASTER and MASTER.* files as follows: 22# 23# <configuration> = [ <attribute0> <attribute1> ... <attributeN> ] 24# 25# Lines in the MASTER and MASTER.* files are selected based on 26# the attribute selector list, found in a comment at the end of 27# the line. This is a list of attributes separated by commas. 28# The "!" operator selects the line if none of the attributes are 29# specified. 30# 31# For example: 32# 33# <foo,bar> selects a line if "foo" or "bar" are specified. 34# <!foo,bar> selects a line if neither "foo" nor "bar" is 35# specified. 36# 37# Lines with no attributes specified are selected for all 38# configurations. 39# 40####################################################################### 41# SYSTEM SIZE CONFIGURATION (select exactly one) 42# 43# xlarge = extra large scale system configuration 44# large = large scale system configuration 45# medium = medium scale system configuration 46# small = small scale system configuration 47# xsmall = extra small scale system configuration 48# bsmall = special extra small scale system configuration 49# 50####################################################################### 51# 52# Basic compilation options. 53# 54# The MACH ident is passed to every kernel file compilation as -DMACH. 55# This is useful in order to #ifdef code that is intended to be used in 56# a MACH kernel. 57# 58ident MACH 59############################################################################## 60# 61# MACH configuration options. 62# 63# TASK_SWAPPER enables code that manages demand for physical memory by 64# forcibly suspending tasks when the demand exceeds supply. This 65# option should be on. 66# 67options MACH_KERNEL 68options MACH_PAGEMAP 69options MACH_LOAD 70options MACH_RT 71options TASK_SWAPPER # <task_swapper_disabled> 72pseudo-device test_device 1 73options ADVISORY_PAGEOUT 74########################################################## 75# 76# conf/config.debug 77# 78# This defines configuration options that are normally used only during 79# kernel code development and debugging. They add run-time error checks or 80# statistics gathering, which will slow down the system 81# 82########################################################## 83# 84# MACH_ASSERT controls the assert() and ASSERT() macros, used to verify the 85# consistency of various algorithms in the kernel. The performance impact 86# of this option is significant. 87# 88options MACH_ASSERT # # <mach_assert> 89# 90# MACH_DEBUG enables the mach_debug_server, a message interface used to 91# retrieve or control various statistics. This interface may expose data 92# structures that would not normally be allowed outside the kernel, and 93# MUST NOT be enabled on a released configuration. 94# Other options here enable information retrieval for specific subsystems 95# 96options MACH_DEBUG # # 97options MACH_IPC_DEBUG # # 98# 99options MACH_VM_DEBUG # # <debug> 100# 101# MACH_MP_DEBUG control the possible dead locks that may occur by controlling 102# that IPL level has been raised down to SPL0 after some calls to 103# hardclock device driver. 104# 105options MACH_MP_DEBUG # # <debug> 106# 107# ZONE_DEBUG keeps track of all zalloc()ed elements to perform further 108# operations on each element. 109# 110options ZONE_DEBUG # # <debug> 111# 112options ZONE_ALIAS_ADDR # # <zone_alias_addr> 113# 114# XPR_DEBUG enables the gathering of data through the XPR macros inserted 115# into various subsystems. This option is normally only enabled for 116# specific performance or behavior studies, as the overhead in both 117# code and data space is large. The data is normally retrieved through 118# the kernel debugger (kdb) or by reading /dev/kmem. 119# 120options XPR_DEBUG # # <debug> 121# 122# MACH_LDEBUG controls the internal consistency checks and 123# data gathering in the locking package. This also enables a debug-only 124# version of simple-locks on uniprocessor machines. The code size and 125# performance impact of this option is significant. 126# 127options MACH_LDEBUG # # <debug> 128 129# 130# 131# 132options KDEBUG # kernel tracing # <kdebug> 133 134# 135# CONFIG_DTRACE enables code needed to support DTrace. Currently this is 136# only used for delivery of traps/interrupts to DTrace. 137# 138options CONFIG_DTRACE # # <config_dtrace> 139 140# MACH_COUNTERS enables code that handles various counters in the system. 141# 142options MACH_COUNTERS # # <debug> 143 144options UPL_DEBUG # # <debug> 145 146########################################################## 147# 148# This defines configuration options that are normally used only during 149# kernel code development and performance characterization. They add run-time 150# statistics gathering, which will slow down the system, 151# 152########################################################## 153# 154# MACH_IPC_STATS controls the collection of statistics in the MACH IPC 155# subsystem. 156# 157#options MACH_IPC_STATS 158# 159# MACH_CO_INFO controls the collection of callout statistics. This 160# information is retrieved via a mach_debug message, or though 161# /dev/kmem. The runtime impact of the option is minimal. 162# 163#options MACH_CO_INFO 164# 165# MACH_CLUSTER_STATS controls the collection of various statistics concerning 166# the effectiveness and behavior of the clustered pageout and pagein 167# code. 168# 169#options MACH_CLUSTER_STATS 170# 171# MACH_SCTIMES enables optional code that can be used to measure the 172# execution overhead of performing Mach traps with 1 through 6 173# arguments. 174# 175#options MACH_SCTIMES 176# 177# MACH_COUNTERS enables various code-path statistics. Most of these 178# are accessed through the debugger. 179# 180options MACH_COUNTERS # # <stats> 181 182# 183# configuration option for including cypto code 184# 185options CRYPTO # <crypto> 186 187# HIBERNATION - include hibernation code 188# 189options HIBERNATION # # <hibernation> 190 191# 192# configurable kernel related resources (CONFIG_THREAD_MAX needs to stay in 193# sync with bsd/conf/MASTER until we fix the config system... todo XXX 194# 195options CONFIG_THREAD_MAX=2560 # <medium,large,xlarge> 196options CONFIG_THREAD_MAX=1536 # <small,xsmall> 197options CONFIG_THREAD_MAX=1024 # <bsmall> 198 199options CONFIG_TASK_MAX=1024 # <medium,large,xlarge> 200options CONFIG_TASK_MAX=768 # <small,xsmall> 201options CONFIG_TASK_MAX=512 # <bsmall> 202 203options CONFIG_ZONE_MAP_MIN=12582912 # <medium,large,xlarge> 204options CONFIG_ZONE_MAP_MIN=6291456 # <small,xsmall> 205options CONFIG_ZONE_MAP_MIN=1048576 # <bsmall> 206 207options CONFIG_TOKEN_QUEUE_SMALL=1 # <bsmall> 208options CONFIG_TOKEN_QUEUE_SMALL=0 # <xsmall,small,medium,large,xlarge> 209 210# 211# configurable kernel - use these options to strip strings from panic 212# and printf calls. 213# no_panic_str - saves around 50K of kernel footprint. 214# no_printf_str - saves around 45K of kernel footprint. 215# 216options CONFIG_NO_PANIC_STRINGS # <no_panic_str> 217options CONFIG_NO_PRINTF_STRINGS # <no_printf_str> 218options CONFIG_NO_KPRINTF_STRINGS # <no_kprintf_str> 219 220# configurable kernel - general switch to say we are building for an 221# embedded device 222# 223options CONFIG_EMBEDDED # <config_embedded> 224 225# only execute signed code. Hang this off config_embedded since there's 226# nothing more appropriate right now 227# 228options CONFIG_ENFORCE_SIGNED_CODE # <config_embedded> 229 230# jettison_kernel_linker - jettison kernel linker after kernel init; don't wait for kextd to launch 231options CONFIG_JETTISON_KERNEL_LINKER # <jettison_kernel_linker> 232 233# vc_progress_white - make the progress gear white instead of black 234options CONFIG_VC_PROGRESS_WHITE # <vc_progress_white> 235 236# secure_kernel - secure kernel from user programs 237options SECURE_KERNEL # <secure_kernel> 238 239# 240# code decryption... used on embedded for app protection 241# must be set in all the bsd/conf and osfmk/conf MASTER files 242# 243options CONFIG_CODE_DECRYPTION # <config_embedded> 244