Bruce Evans 31e30d75d5 Fix fpset*() to not trap if there is a currently unmasked exception. ... Unmasked exceptions (which can be fixed up using fpset*() before they trap) are very rare, especially on amd64 since SSE exceptions trap synchronously, but I want to merge the faster amd64 implementations of fpset*() back to i386 without introducing the bug on i386. The i386 implementation has always avoided the trap automatically by changing things using load/store of the FP environment, but this is very slow. Most changes only affect the control word, so they can usually be done much more efficiently, and amd64 has always done this, but loading the control word can trap. This version use the fast method only in the usual case where it will not trap. This only costs a couple of integer instructions (including one branch which I haven't optimized carefully yet) in the usual case, but bloats the inlines a lot. The inlines were already a bit too large to handle both the FPU and SSE.		2008-01-11 17:11:32 +00:00
..
pc	- Add constants for the different memory types in the SMAP table.	2007-10-28 21:23:49 +00:00
_bus.h	Break out the definition of bus_space_{tag,handle}_t and a few other types	2005-04-18 21:45:34 +00:00
_inttypes.h
_limits.h	Move MINSIGSTKSZ from <machine/signal.h> to <machine/_limits.h> and rename	2005-08-20 16:44:41 +00:00
_stdint.h
_types.h	By popular demand, move __HAVE_ACPI and __PCI_REROUTE_INTERRUPT into	2006-01-09 06:05:57 +00:00
acpica_machdep.h	Catch up with ACPI-CA 20070320 import.	2007-03-22 18:16:43 +00:00
apicreg.h	JumboMFi386: use bitmapped IPI handler. Update elcr and default mptable	2005-01-21 06:01:20 +00:00
apicvar.h	Handle CPUs with APIC IDs higher than 32 (at least one IBM server uses	2007-05-08 22:01:04 +00:00
asm.h	Define an END() macro for use in i386 and amd64 assembly code, akin	2007-08-22 04:26:07 +00:00
asmacros.h	Define an END() macro for use in i386 and amd64 assembly code, akin	2007-08-22 04:26:07 +00:00
atomic.h	Fixed some style bugs (mainly assorted errors in comments, and inconsistent	2006-12-29 15:29:49 +00:00
bus_dma.h	Fix $FreeBSD$.	2005-07-22 04:03:25 +00:00
bus.h	Merge/sync with i386: various cosmetic tweaks	2006-03-14 00:01:56 +00:00
clock.h	Split /dev/nvram driver out of isa/clock.c for i386 and amd64. I have not	2007-10-26 03:23:54 +00:00
cpu.h	Clean out sysctl machdep.* related defines.	2006-05-11 17:29:25 +00:00
cpufunc.h	Add a knob for disabling/enabling HTT, "machdep.hyperthreading_allowed".	2005-05-13 00:10:56 +00:00
cputypes.h
db_machdep.h
elf.h	PR:	2006-10-04 21:37:10 +00:00
endian.h	Match i386 rev 1.38 with __cplusplus support	2005-03-11 21:46:01 +00:00
exec.h	Use a common multi-inclusion protection, and add such a	2005-02-19 21:16:48 +00:00
float.h
floatingpoint.h	The file machine/ieeefp.h needs sys/cdefs.h on amd64 and i386 after my	2005-04-02 17:31:42 +00:00
fpu.h
frame.h	Tweak how the MD code calls the fooclock() methods some. Instead of	2005-12-22 22:16:09 +00:00
gdb_machdep.h	Change GDB_BUFSZ to be large enough to hold a register dump where each	2007-02-05 21:48:32 +00:00
ieeefp.h	Fix fpset*() to not trap if there is a currently unmasked exception.	2008-01-11 17:11:32 +00:00
in_cksum.h	Remove diffs to i386 version that came in via the compiler support ifdefs.	2005-03-11 22:16:09 +00:00
intr_machdep.h	Minor fixes and tweaks to the x86 interrupt code:	2007-05-08 21:29:14 +00:00
iodev.h
kdb.h	Add kdb_cpu_sync_icache(), intended to synchronize instruction	2007-06-09 21:55:17 +00:00
legacyvar.h	Make the PCI code aware of PCI domains (aka PCI segments) so we can	2007-09-30 11:05:18 +00:00
limits.h	netchild's mega-patch to isolate compiler dependencies into a central	2005-03-02 21:33:29 +00:00
md_var.h	Remove extern struct pcpu __pcpu[]; from the header file and	2007-05-19 05:03:59 +00:00
memdev.h
metadata.h
minidump.h	Introduce minidumps. Full physical memory crash dumps are still available	2006-04-21 04:24:50 +00:00
mp_watchdog.h
mptable.h	guard function decls with _KERNEL so user code can include this file	2006-03-01 05:59:56 +00:00
mutex.h	Move clock_lock prototype into <machine/clock.h>, where it is more	2006-05-19 18:53:50 +00:00
param.h	By popular demand, move __HAVE_ACPI and __PCI_REROUTE_INTERRUPT into	2006-01-09 06:05:57 +00:00
pcb_ext.h
pcb.h	MFP4: Linux set_thread_area syscall (aka TLS) support for amd64.	2007-03-30 00:06:21 +00:00
pci_cfgreg.h	Adjust the code to probe for the PCI config mechanism to use.	2007-11-28 22:20:08 +00:00
pcpu.h	Rework the PCPU_* (MD) interface:	2007-06-04 21:38:48 +00:00
pmap.h	Shrink the size of struct vm_page on amd64 and i386 by eliminating	2008-01-06 18:51:04 +00:00
pmc_mdep.h	Kernel and hwpmc(4) support for callchain capture.	2007-12-07 08:20:17 +00:00
ppireg.h	- Move timerreg.h to <arch>/include and split i8253 specific defines into	2005-05-14 09:10:02 +00:00
proc.h	Divorce critical sections from spinlocks. Critical sections as denoted by	2005-04-04 21:53:56 +00:00
profile.h	In the userland .mcount():	2006-10-28 13:12:06 +00:00
psl.h
ptrace.h
reg.h	Add support for 8 byte hardware watches in long mode. Kernel hardware	2006-11-17 20:27:01 +00:00
reloc.h
resource.h
runq.h
segments.h	MFP4: Linux set_thread_area syscall (aka TLS) support for amd64.	2007-03-30 00:06:21 +00:00
setjmp.h	Remove 3rd clause, renumber, ok per email	2007-01-12 07:26:21 +00:00
sf_buf.h	MFi386: Update alc's copyright notice	2005-02-28 23:38:15 +00:00
sigframe.h
signal.h	Move MINSIGSTKSZ from <machine/signal.h> to <machine/_limits.h> and rename	2005-08-20 16:44:41 +00:00
smp.h	Fix some entries in the locks static table of witness.	2007-09-20 20:38:43 +00:00
specialreg.h	Recognize architectural support for 1GB virtual pages.	2007-12-08 21:13:01 +00:00
stack.h	Break out stack(9) from ddb(4):	2007-12-02 20:40:35 +00:00
stdarg.h	Use __builtin_va_start instead of __builtin_stdarg_start. GCC4 obsoletes	2006-09-21 01:37:02 +00:00
sysarch.h	Implement 32-bit compatable fsbase/gsbase methods so that we can run	2005-04-14 16:57:58 +00:00
timerreg.h	Change the spkr_set_pitch() function to a macro to fix low level profiling.	2005-05-28 13:40:27 +00:00
trap.h	MFi386: The SIGFPE macros were moved to signal.h (FPE_INTOVF etc)	2006-03-14 00:01:22 +00:00
tss.h	Show that I can actually count.	2005-04-15 18:39:31 +00:00
ucontext.h
varargs.h	Remove diffs to i386 version that came in via the compiler support ifdefs.	2005-03-11 22:16:09 +00:00
vmparam.h	Add configuration knobs for the superpage reservation system. Initially,	2007-12-27 16:45:39 +00:00