Use csr_read() to read sstatus instead of inline assembly.
ClosedPublic
Actions

Authored by jhb on Feb 5 2020, 12:15 AM.

Tags

None

Referenced Files

	Unknown Object (File)
	Sun, Sep 6, 5:23 AM

	Unknown Object (File)
	Sat, Sep 5, 11:23 PM

	Unknown Object (File)
	Sat, Sep 5, 5:48 AM

	Unknown Object (File)
	Sat, Sep 5, 2:32 AM

	Unknown Object (File)
	Fri, Sep 4, 8:31 AM

	Unknown Object (File)
	Wed, Sep 2, 8:36 AM

	Unknown Object (File)
	Tue, Sep 1, 8:47 AM

	Unknown Object (File)
	Mon, Aug 31, 11:09 AM

View All Files

Subscribers

imp

Details

Reviewers

br
mhorne

Commits

rS357594: Use csr_read() to read sstatus instead of inline assembly.

Summary

While here, remove a local variable to avoid the CSR read in non-debug
kernels.

Test Plan

booted kernels under spike and qemu

Diff Detail

Lint

Lint Skipped

Unit

Tests Skipped

Build Status

Buildable 29175
Build 27107: arc lint + arc unit

Event Timeline

jhb created this revision.Feb 5 2020, 12:15 AM

Harbormaster completed remote builds in B29175: Diff 67804.Feb 5 2020, 12:15 AM

mhorne accepted this revision.Feb 5 2020, 8:09 PM

This revision is now accepted and ready to land.Feb 5 2020, 8:09 PM

Closed by commit rS357594: Use csr_read() to read sstatus instead of inline assembly. (authored by jhb). · Explain WhyFeb 5 2020, 8:32 PM

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rS357594: Use csr_read() to read sstatus instead of inline assembly..

Herald added a subscriber: imp. · View Herald TranscriptFeb 5 2020, 8:32 PM

Revision Contents
Changeset List

Path

Size

sys/

riscv/

trap.c

12 lines

Diff 67804

View Options

Use csr_read() to read sstatus instead of inline assembly.ClosedPublicActions