13b878e47e
reducues the maintenance load for the mutex code. The only MD portions of the mutex code are in machine/mutex.h now, which include the assembly macros for handling mutexes as well as optionally overriding the mutex micro-operations. For example, we use optimized micro-ops on the x86 platform #ifndef I386_CPU. - Change the behavior of the SMP_DEBUG kernel option. In the new code, mtx_assert() only depends on INVARIANTS, allowing other kernel developers to have working mutex assertiions without having to include all of the mutex debugging code. The SMP_DEBUG kernel option has been renamed to MUTEX_DEBUG and now just controls extra mutex debugging code. - Abolish the ugly mtx_f hack. Instead, we dynamically allocate seperate mtx_debug structures on the fly in mtx_init, except for mutexes that are initiated very early in the boot process. These mutexes are declared using a special MUTEX_DECLARE() macro, and use a new flag MTX_COLD when calling mtx_init. This is still somewhat hackish, but it is less evil than the mtx_f filler struct, and the mtx struct is now the same size with and without mutex debugging code. - Add some micro-micro-operation macros for doing the actual atomic operations on the mutex mtx_lock field to make it easier for other archs to override/optimize mutex ops if needed. These new tiny ops also clean up the code in some places by replacing long atomic operation function calls that spanned 2-3 lines with a short 1-line macro call. - Don't call mi_switch() from mtx_enter_hard() when we block while trying to obtain a sleep mutex. Calling mi_switch() would bogusly release Giant before switching to the next process. Instead, inline most of the code from mi_switch() in the mtx_enter_hard() function. Note that when we finally kill Giant we can back this out and go back to calling mi_switch().
106 lines
3.7 KiB
Plaintext
106 lines
3.7 KiB
Plaintext
# This file tells config what files go into building a kernel,
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# files marked standard are always included.
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#
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# $FreeBSD$
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#
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# The long compile-with and dependency lines are required because of
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# limitations in config: backslash-newline doesn't work in strings, and
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# dependency lines other than the first are silently ignored.
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#
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#
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font8x16.o optional std8x16font \
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compile-with "uudecode < /usr/share/syscons/fonts/${STD8X16FONT}-8x16.fnt && file2c 'unsigned char font_16[16*256] = {' '};' < ${STD8X16FONT}-8x16 > font8x16.c && ${CC} -c ${CFLAGS} font8x16.c" \
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no-implicit-rule before-depend \
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clean "${STD8X16FONT}-8x16 font8x16.c"
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# make sure apm.h gets made correctly
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apm.h standard \
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compile-with "echo '#define NAPM 0' > apm.h" \
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no-obj no-implicit-rule before-depend
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#
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atkbdmap.h optional atkbd_dflt_keymap \
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compile-with "/usr/sbin/kbdcontrol -L ${ATKBD_DFLT_KEYMAP} | sed -e 's/^static keymap_t.* = /static keymap_t key_map = /' -e 's/^static accentmap_t.* = /static accentmap_t accent_map = /' > atkbdmap.h" \
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no-obj no-implicit-rule before-depend \
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clean "atkbdmap.h"
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#
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ia64/ia64/ia64-gdbstub.c optional ddb
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ia64/ia64/autoconf.c standard
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ia64/ia64/busdma_machdep.c standard
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ia64/ia64/clock.c standard
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ia64/ia64/clock_if.m standard
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ia64/ia64/db_disasm.c optional ddb
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ia64/ia64/db_interface.c optional ddb
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ia64/ia64/db_trace.c optional ddb
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ia64/ia64/elf_machdep.c standard
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ia64/ia64/exception.s standard
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ia64/ia64/in_cksum.c optional inet
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ia64/ia64/interrupt.c standard
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ia64/ia64/ipl_funcs.c standard
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# locore.s needs to be handled in Makefile to put it first. Otherwise it's
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# now normal.
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# ia64/ia64/locore.s standard
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ia64/ia64/machdep.c standard
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ia64/ia64/mem.c standard
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ia64/ia64/mountroot.c optional slice
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ia64/ia64/mp_machdep.c standard
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ia64/ia64/pal.s standard
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ia64/ia64/perfmon.c optional perfmon profiling-routine
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ia64/ia64/perfmon.c optional perfmon
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ia64/ia64/pmap.c standard
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ia64/ia64/procfs_machdep.c standard
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ia64/ia64/support.s standard
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ia64/ia64/ssc.c standard
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ia64/ia64/sscclock.c standard
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ia64/ia64/sscdisk.c standard
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ia64/ia64/swtch.s standard
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ia64/ia64/sys_machdep.c standard
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ia64/ia64/trap.c standard
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ia64/ia64/userconfig.c optional userconfig
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ia64/ia64/vm_machdep.c standard
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ia64/isa/isa.c optional isa
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ia64/isa/isa_dma.c optional isa
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dev/advansys/adv_isa.c optional adv isa
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dev/aic/aic_isa.c optional aic isa
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dev/fb/fb.c optional fb
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dev/fb/fb.c optional vga
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dev/fb/splash.c count splash
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dev/fb/vga.c optional vga
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dev/kbd/atkbd.c optional atkbd
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dev/kbd/atkbdc.c count atkbdc
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dev/kbd/kbd.c optional atkbd
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dev/kbd/kbd.c optional kbd
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dev/kbd/kbd.c optional sc
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dev/kbd/kbd.c optional ukbd
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dev/syscons/schistory.c count sc
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dev/syscons/scmouse.c optional sc
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dev/syscons/scterm.c optional sc
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dev/syscons/scterm-dumb.c optional sc
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dev/syscons/scterm-sc.c optional sc
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dev/syscons/scvgarndr.c optional sc vga
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dev/syscons/scvidctl.c optional sc
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dev/syscons/scvtb.c optional sc
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dev/syscons/syscons.c optional sc
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dev/syscons/sysmouse.c optional sc
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isa/atkbd_isa.c optional atkbd
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isa/atkbdc_isa.c optional atkbdc
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isa/fd.c optional fdc
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isa/ppc.c optional ppc
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isa/psm.c optional psm
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isa/sio.c count sio
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isa/syscons_isa.c optional sc
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isa/vga_isa.c optional vga
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kern/subr_diskmbr.c standard
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libkern/ia64/htonl.S standard
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libkern/ia64/htons.S standard
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libkern/ia64/ntohl.S standard
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libkern/ia64/ntohs.S standard
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libkern/ia64/__divsi3.S standard
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libkern/ia64/__modsi3.S standard
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libkern/ia64/__udivsi3.S standard
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libkern/ia64/__umodsi3.S standard
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libkern/ia64/__divdi3.S standard
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libkern/ia64/__moddi3.S standard
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libkern/ia64/__udivdi3.S standard
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libkern/ia64/__umoddi3.S standard
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libkern/bcmp.c standard
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libkern/ffs.c standard
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