Konstantin Belousov 6cf9a08d2c Introduce the x86 kernel interfaces to allow kernel code to use ... FPU/SSE hardware. Caller should provide a save area that is chained into the stack of the areas; pcb save_area for usermode FPU state is on top. The pcb now contains a pointer to the current FPU saved area, used during FPUDNA handling and context switches. There is also a facility to allow the kernel thread to use pcb save_area. Change the dreaded warnings "npxdna in kernel mode!" into the panics when FPU usage is not registered. KPI discussed with: fabient Tested by: pho, fabient Hardware provided by: Sentex Communications MFC after: 1 month		2010-06-05 15:59:59 +00:00
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ia32_exception.S	Restore the segment registers and segment base MSRs for amd64 syscall	2009-07-09 09:34:11 +00:00
ia32_misc.c
ia32_reg.c	Introduce the x86 kernel interfaces to allow kernel code to use	2010-06-05 15:59:59 +00:00
ia32_signal.c	As was done in r155238 for i386 and in r155239 for amd64, clear the carry	2010-04-21 11:17:16 +00:00
ia32_sigtramp.S
ia32_syscall.c	Reorganize syscall entry and leave handling.	2010-05-23 18:32:02 +00:00