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/linux-2.4.37.9/arch/i386/math-emu/
DREADME2 | wm-FPU-emu an FPU emulator for 80386 and 80486SX microprocessors. |
25 wm-FPU-emu is an FPU emulator for Linux. It is derived from wm-emu387
31 My target FPU for wm-FPU-emu is that described in the Intel486
33 facets of the functioning of the FPU are not well covered in the
40 wm-FPU-emu does not implement all of the behaviour of the 80486 FPU,
56 ----------------------- Internals of wm-FPU-emu -----------------------
82 emulate each FPU instruction to completion without interruption.
99 ----------------------- Limitations of wm-FPU-emu -----------------------
101 There are a number of differences between the current wm-FPU-emu
102 (version 2.01) and the 80486 FPU (apart from bugs). The differences
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/linux-2.4.37.9/arch/m68k/ifpsp060/
Dfskeleton.S208 | the FPU is disabled, and F-Line Illegal instructions. The 060FPSP module
219 | This is the exit point for the 060FPSP when an FPU disabled exception is
222 | the FPU is disabled, and F-Line Illegal instructions. The 060FPSP module
223 | _fpsp_fline() distinguishes between the three and acts appropriately. FPU disabled
226 | The sample code below enables the FPU, sets the PC field in the exception stack
/linux-2.4.37.9/include/asm-ia64/sn/arc/
Dhinv.h39 FPU, enumerator
/linux-2.4.37.9/include/asm-mips64/arc/
Dhinv.h30 FPU, enumerator
/linux-2.4.37.9/Documentation/parisc/
Dregisters7 FPU Registers must not be used in kernel mode
15 CR10 (CCR) lazy FPU saving*
/linux-2.4.37.9/arch/s390/
Dconfig.in34 bool 'IEEE FPU emulation' CONFIG_MATHEMU
/linux-2.4.37.9/Documentation/
Dmemory.txt53 a buggy FPU.
Dmca.txt216 Various Pentium machines have had serious problems with the FPU test in
220 boot-prompt flag will disable the FPU bug check if this is a problem
Dsmp.tex327 includes other facts such as whether there is an FPU on the processor. The
DConfigure.help23613 Q60. Select your CPU below. For 68LC060 don't forget to enable FPU
/linux-2.4.37.9/arch/mips/dec/
Dint-handler.S145 bnez t2,fpu # handle FPU immediately
/linux-2.4.37.9/arch/m68k/fpsp040/
Dfpsp.h29 | | FPU fsave area |
61 | if the FPU state after the exception is idle.
Dgen_except.S223 | unimplemented, no FPU restore is necessary. If it was
/linux-2.4.37.9/drivers/zorro/
Dzorro.ids129 1000 DKM 1202 [FPU and RAM Expansion]
355 0100 A1200 [FPU and RAM Expansion]
/linux-2.4.37.9/arch/m68k/math-emu/
Dfp_scan.S61 | FPDATA - base of emulated FPU registers
/linux-2.4.37.9/arch/m68k/ifpsp060/src/
Dpfpsp.S960 # The `060 FPU multiplier hardware is such that if the result of a
1380 # restore exc state (SNAN||OPERR||OVFL||UNFL||DZ||INEX) into the FPU;
1958 # restore exc state (SNAN||OPERR||OVFL||UNFL||DZ||INEX) into the FPU;
2435 # see if the FPU is disabled. Since the "Unimp <ea>" exception is taken #
2455 # exception. Therefore, the FPU could be disabled when entering here.
2653 # enabled? if so, then we have to stuff an overflow frame into the FPU.
4254 # @ = (0): move listed regs from memory to the FPU #
4255 # (1): move listed regs from the FPU to memory #
Dfpsp.S961 # The `060 FPU multiplier hardware is such that if the result of a
1381 # restore exc state (SNAN||OPERR||OVFL||UNFL||DZ||INEX) into the FPU;
1959 # restore exc state (SNAN||OPERR||OVFL||UNFL||DZ||INEX) into the FPU;
2436 # see if the FPU is disabled. Since the "Unimp <ea>" exception is taken #
2456 # exception. Therefore, the FPU could be disabled when entering here.
2654 # enabled? if so, then we have to stuff an overflow frame into the FPU.
3884 # but, if the FPU is disabled, then we need to jump to the FPU diabled
3970 # type is inserted into the FPU state frame using the "frestore" #
18205 # @ = (0): move listed regs from memory to the FPU #
18206 # (1): move listed regs from the FPU to memory #
/linux-2.4.37.9/Documentation/s390/
DDebugging390.txt142 20 20 Fixed point overflow mask if 1=FPU exceptions for this event
145 21 21 Decimal overflow mask if 1=FPU exceptions for this event occur
148 22 22 Exponent underflow mask if 1=FPU exceptions for this event occur
151 23 23 Significance Mask if 1=FPU exceptions for this event occur
/linux-2.4.37.9/
DMAINTAINERS731 FPU EMULATOR
DCREDITS2123 D: Author of the FPU emulator.