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Differential D23402

Fix definition of SSTATUS_SD
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Authored by mhorne on Jan 28 2020, 5:53 PM.
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jhb
br
jrtc27
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rS357255: Fix definition of SSTATUS_SD
Summary

The SD bit is defined as the MSB of the sstatus register, meaning its
position may vary depending on the CSR's length. Previously, there were
two (unused) defines for this, for the 32 and 64-bit cases, but their
definitions were swapped.

Consolidate this into one define: SSTATUS_SD, and make the definition
dependent on the value of __riscv_xlen.

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Buildable 28993
Build 26967: arc lint + arc unit

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sys/
riscv/
include/
7 lines

Diff 67425

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sys/riscv/include/riscvreg.h

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