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Differential D12707

Remove CPU_HAVEFPU.
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Authored by jhb on Oct 17 2017, 10:25 PM.
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imp
br
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rS324724: Remove CPU_HAVEFPU.
Summary

Instead, use a runtime decision to handle COP1 traps. If floating point
support is present in the current CPU, enable saving of the floating point
state. If support is not present, fail with SIGILL.

Test Plan
  • Booted mips64hf world under qemu with a mips64 kernel. Ran a test program that used floating point in this setup as well.

Diff Detail

Repository
rS FreeBSD src repository - subversion
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Event Timeline

jhb created this revision.Oct 17 2017, 10:25 PM
Harbormaster completed remote builds in B12094: Diff 34079.Oct 17 2017, 10:25 PM
imp accepted this revision.Oct 17 2017, 10:45 PM
This revision is now accepted and ready to land.Oct 17 2017, 10:45 PM
br accepted this revision.Oct 18 2017, 10:02 AM
Closed by commit rS324724: Remove CPU_HAVEFPU. (authored by jhb). · Explain WhyOct 18 2017, 5:23 PM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathSize
head/
sys/
conf/
3 lines
1 line
mips/
mips/
15 lines

Diff 34114

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head/sys/conf/kern.mk

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head/sys/conf/options.mips

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head/sys/mips/mips/trap.c

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