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| author | Andrew Waterman <andrew@sifive.com> | 2019-01-28 13:34:09 -0800 |
|---|---|---|
| committer | Andrew Waterman <andrew@sifive.com> | 2019-01-28 13:34:40 -0800 |
| commit | 8eaf80a407dd5b5a76b6075d05ef8921a22da3f5 (patch) | |
| tree | 557daadac2a71817ad479c45e9452fc502e36796 | |
| parent | 587f2486ee931eb046d1c2d198465261f1a0f7d9 (diff) | |
| download | riscv-isa-manual-8eaf80a407dd5b5a76b6075d05ef8921a22da3f5.zip riscv-isa-manual-8eaf80a407dd5b5a76b6075d05ef8921a22da3f5.tar.gz riscv-isa-manual-8eaf80a407dd5b5a76b6075d05ef8921a22da3f5.tar.bz2 | |
Forgot to indicate that mstatus.FS is a WARL field.
| -rw-r--r-- | src/machine.tex | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/machine.tex b/src/machine.tex index e4753cc..d17dc06 100644 --- a/src/machine.tex +++ b/src/machine.tex @@ -742,7 +742,7 @@ arbitrary user-mode state extensions. additional state beyond the floating-point CSR and data registers. \end{commentary} -The FS[1:0] read/write field and the XS[1:0] read-only field are used +The FS[1:0] \warl\ field and the XS[1:0] read-only field are used to reduce the cost of context save and restore by setting and tracking the current state of the floating-point unit and any other user-mode extensions respectively. The FS field encodes the status of the |