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MIPS: Add kernel_pref & user_pref helpers 

Add kernel_pref & user_pref macros to asm/asm-eva.h, providing an
abstraction around EVA & non-EVA pref instructions consistent with the
existing macros we have for cache & load/store instructions.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/20906/
Cc: linux-mips@linux-mips.org
This commit is contained in:
Paul Burton 2018-10-15 18:33:21 +00:00
parent da1d25e79a
commit 4021c30a86
No known key found for this signature in database
GPG Key ID: 3EA79FACB57500DD
1 changed files with 6 additions and 0 deletions
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6
arch/mips/include/asm/asm-eva.h
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@ -15,6 +15,7 @@
/* Kernel variants */
#define kernel_cache(op, base) "cache " op ", " base "\n"
#define kernel_pref(hint, base) "pref " hint ", " base "\n"
#define kernel_ll(reg, addr) "ll " reg ", " addr "\n"
#define kernel_sc(reg, addr) "sc " reg ", " addr "\n"
#define kernel_lw(reg, addr) "lw " reg ", " addr "\n"
@ -51,6 +52,7 @@
" .set pop\n"
#define user_cache(op, base) __BUILD_EVA_INSN("cachee", op, base)
#define user_pref(hint, base) __BUILD_EVA_INSN("prefe", hint, base)
#define user_ll(reg, addr) __BUILD_EVA_INSN("lle", reg, addr)
#define user_sc(reg, addr) __BUILD_EVA_INSN("sce", reg, addr)
#define user_lw(reg, addr) __BUILD_EVA_INSN("lwe", reg, addr)
@ -72,6 +74,7 @@
#else
#define user_cache(op, base) kernel_cache(op, base)
#define user_pref(hint, base) kernel_pref(hint, base)
#define user_ll(reg, addr) kernel_ll(reg, addr)
#define user_sc(reg, addr) kernel_sc(reg, addr)
#define user_lw(reg, addr) kernel_lw(reg, addr)
@ -99,6 +102,7 @@
#else /* __ASSEMBLY__ */
#define kernel_cache(op, base) cache op, base
#define kernel_pref(hint, base) pref hint, base
#define kernel_ll(reg, addr) ll reg, addr
#define kernel_sc(reg, addr) sc reg, addr
#define kernel_lw(reg, addr) lw reg, addr
@ -135,6 +139,7 @@
.set pop;
#define user_cache(op, base) __BUILD_EVA_INSN(cachee, op, base)
#define user_pref(hint, base) __BUILD_EVA_INSN(prefe, hint, base)
#define user_ll(reg, addr) __BUILD_EVA_INSN(lle, reg, addr)
#define user_sc(reg, addr) __BUILD_EVA_INSN(sce, reg, addr)
#define user_lw(reg, addr) __BUILD_EVA_INSN(lwe, reg, addr)
@ -155,6 +160,7 @@
#else
#define user_cache(op, base) kernel_cache(op, base)
#define user_pref(hint, base) kernel_pref(hint, base)
#define user_ll(reg, addr) kernel_ll(reg, addr)
#define user_sc(reg, addr) kernel_sc(reg, addr)
#define user_lw(reg, addr) kernel_lw(reg, addr)