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Differential D26092

riscv: Use global mimpid in identify_cpu()
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Authored by nick on Aug 17 2020, 9:20 PM.
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philip
kp
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riscv
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rS364349: riscv: Use global mimpid in identify_cpu()
Summary

sbi_init() sets mimpid, we can use that value.

Sponsored by: Axiado

Test Plan

I've tested this on internal hardware and Qemu (with some Qemu hacks as RISCV Qemu returns 0 by default)

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rS FreeBSD src repository - subversion
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Event Timeline

nick created this revision.Aug 17 2020, 9:20 PM
Herald added a subscriber: imp. · View Herald TranscriptAug 17 2020, 9:20 PM
nick requested review of this revision.Aug 17 2020, 9:20 PM
philip accepted this revision as: philip.Aug 18 2020, 1:49 AM

Looks good to me.

Would be nice if sbi_init() could also give us misa. ;-)

This revision is now accepted and ready to land.Aug 18 2020, 1:49 AM
kp accepted this revision as: kp.Aug 18 2020, 8:46 AM

Approved by: philip, kp (mentors)

Go ahead and commit this.

Closed by commit rS364349: riscv: Use global mimpid in identify_cpu() (authored by nick). · Explain WhyAug 18 2020, 4:51 PM
This revision was automatically updated to reflect the committed changes.
nick added a commit: rS364349: riscv: Use global mimpid in identify_cpu().

Revision Contents
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head/
sys/
riscv/
riscv/
4 lines

Diff 75950

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head/sys/riscv/riscv/identcpu.c

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