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src/sys/arch/powerpc/include/cpu.h@1.114
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nxr@1.114
src/sys/arch/powerpc/powerpc/powerpc_machdep.c@1.79 / diff / nxr@1.79
src/sys/arch/powerpc/powerpc/powerpc_machdep.c@1.79 / diff / nxr@1.79
Part of PR port-powerpc/55425
openssl fails on FPU emulation for powerpc
Provide machdep.fpu_present sysctl variable like other ports.
Userland can get informed that FPU is absent and emulated in software
(and calculation results may not be correct in bit-to-bit precision).
This variable should be useful even if we could fix FPU emulation;
it is much faster to skip FPU arithmetic in general, rather than
relying upon emulation by kernel via illegal instruction handler.
openssl fails on FPU emulation for powerpc
Provide machdep.fpu_present sysctl variable like other ports.
Userland can get informed that FPU is absent and emulated in software
(and calculation results may not be correct in bit-to-bit precision).
This variable should be useful even if we could fix FPU emulation;
it is much faster to skip FPU arithmetic in general, rather than
relying upon emulation by kernel via illegal instruction handler.