| /linux/arch/sparc/kernel/ |
| H A D | cpu.c | 60 #define FPU(ver, _name) \ macro
75 FPU(0, "Fujitsu MB86910 or Weitek WTL1164/5"),
76 FPU(1, "Fujitsu MB86911 or Weitek WTL1164/5 or LSI L64831"),
77 FPU(2, "LSI Logic L64802 or Texas Instruments ACT8847"),
79 FPU(3, "Weitek WTL3170/2"),
81 FPU(4, "Lsi Logic/Meiko L64804 or compatible"),
82 FPU(-1, NULL)
99 FPU(0, "ROSS HyperSparc combined IU/FPU"),
100 FPU(
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| /linux/arch/x86/math-emu/ |
| H A D | README | 2 | 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
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| /linux/arch/sh/ |
| H A D | Kconfig.cpu | 21 prompt "FPU support"
25 have FPU units (ie, SH77xx).
27 This option must be set in order to enable the FPU.
31 prompt "FPU emulation support"
34 Selecting this option will enable support for software FPU emulation.
|
| /linux/Documentation/locking/ |
| H A D | preempt-locking.rst | 46 switch. For example, on x86, entering and exiting FPU mode is now a critical
49 Remember, the kernel does not save FPU state except for user tasks. Therefore,
50 upon preemption, the FPU registers will be sold to the lowest bidder. Thus,
53 Note, some FPU functions are already explicitly preempt safe. For example,
|
| /linux/arch/m68k/ifpsp060/ |
| H A D | fskeleton.S | 208 | 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/Documentation/translations/zh_CN/kernel-hacking/ |
| H A D | hacking.rst | |
| /linux/Documentation/arch/arm/stm32/ |
| H A D | stm32f429-overview.rst | 11 - ARM Cortex-M4 up to 180MHz with FPU
|
| /linux/tools/testing/selftests/powerpc/math/ |
| H A D | fpu_asm.S | 132 # On starting will (atomically) decrement not_ready as a signal that the FPU
133 # has been loaded with darray. Will proceed to check the validity of the FPU
|
| /linux/arch/mips/include/asm/fw/arc/ |
| H A D | hinv.h | 32 FPU, enumerator
|
| /linux/Documentation/translations/zh_TW/arch/parisc/ |
| H A D | registers.rst | |
| /linux/Documentation/translations/zh_CN/arch/parisc/ |
| H A D | registers.rst | |
| /linux/arch/riscv/ |
| H A D | Kconfig.vendor | 48 depends on FPU
|
| /linux/arch/mips/dec/ |
| H A D | int-handler.S | 67 * 7 FPU
80 * 7 FPU
93 * 7 FPU/R4k timer
106 * 7 FPU/R4k timer
119 * 7 FPU/R4k timer
144 bnez t2,fpu # handle FPU immediately
|
| /linux/arch/openrisc/ |
| H A D | Kconfig | 197 config FPU config
198 bool "FPU support"
|
| /linux/Documentation/core-api/ |
| H A D | floating-point.rst | 24 both with and without a floating-point unit, FPU availability must be checked
|
| /linux/arch/arc/ |
| H A D | Kconfig | 328 bool "Enable FPU state persistence across context switch"
330 ARCompact FPU has internal registers to assist with Double precision
371 bool "Reg Pair ACCL:ACCH (FPU and/or MPY > 6 and/or DSP)"
|
| /linux/arch/m68k/fpsp040/ |
| H A D | fpsp.h | 28 | | FPU fsave area |
60 | if the FPU state after the exception is idle.
|
| /linux/arch/m68k/ifpsp060/src/ |
| H A D | pfpsp.S | 960 # The `060 FPU multiplier hardware is such that if the result of a
993 # The `060 FPU multiplier hardware is such that if the result of a
1021 # The `060 FPU multiplier hardware is such that if the result of a
1152 # this exception into the FPU in the fsave state frame and then exit #
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;
2379 # _real_fpu_disabled() - "callout" for "FPU disabled" exception #
2393 # If FPU disabled: #
2394 # - The system stack is changed to an FPU disabled stack frame #
2415 # FPU befor
[all...] |
| /linux/Documentation/arch/parisc/ |
| H A D | registers.rst | 18 CR10 (CCR) lazy FPU saving*
|
| /linux/drivers/zorro/ |
| H A D | zorro.ids | 127 1000 DKM 1202 [FPU and RAM Expansion]
353 0100 A1200 [FPU and RAM Expansion]
|
| /linux/arch/csky/ |
| H A D | Kconfig | 302 bool "CPU has FPU coprocessor"
|
| /linux/arch/m68k/math-emu/ |
| H A D | fp_scan.S | 61 | FPDATA - base of emulated FPU registers
|
| /linux/Documentation/translations/zh_CN/arch/loongarch/ |
| H A D | introduction.rst | |
| /linux/Documentation/arch/powerpc/ |
| H A D | elf_hwcaps.rst | 42 FPU, VMX, VSX, it is not necessary to test those HWCAPs, and it may be
|
| /linux/Documentation/translations/zh_TW/arch/loongarch/ |
| H A D | introduction.rst | |