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powerpc/powernv/vas: Define copy/paste interfaces

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Define interfaces (wrappers) to the 'copy' and 'paste'
instructions (which are new in PowerISA 3.0). These are intended to be
used to by NX driver(s) to submit Coprocessor Request Blocks (CRBs) to
the NX hardware engines.

Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Sukadev Bhattiprolu 2017-08-28 23:23:40 -07:00 • committed by Michael Ellerman
parent 5239af679a
commit 2392c8c8c0
6 changed files with 124 additions and 2 deletions
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arch/powerpc/include/asm/ppc-opcode.h
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@ -418,6 +418,8 @@
___PPC_RB(b))
#define PPC_MSGCLRP(b) stringify_in_c(.long PPC_INST_MSGCLRP | \
___PPC_RB(b))
#define PPC_PASTE(a, b) stringify_in_c(.long PPC_INST_PASTE | \
___PPC_RA(a) | ___PPC_RB(b))
#define PPC_POPCNTB(a, s) stringify_in_c(.long PPC_INST_POPCNTB | \
__PPC_RA(a) | __PPC_RS(s))
#define PPC_POPCNTD(a, s) stringify_in_c(.long PPC_INST_POPCNTD | \