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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
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arch/mips/include/asm/asm-eva.h
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arch/mips/include/asm/asm-eva.h
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/* Kernel variants */
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#define kernel_cache(op, base) "cache " op ", " base "\n"
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#define kernel_pref(hint, base) "pref " hint ", " base "\n"
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#define kernel_ll(reg, addr) "ll " reg ", " addr "\n"
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#define kernel_sc(reg, addr) "sc " reg ", " addr "\n"
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#define kernel_lw(reg, addr) "lw " reg ", " addr "\n"
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" .set pop\n"
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#define user_cache(op, base) __BUILD_EVA_INSN("cachee", op, base)
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#define user_pref(hint, base) __BUILD_EVA_INSN("prefe", hint, base)
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#define user_ll(reg, addr) __BUILD_EVA_INSN("lle", reg, addr)
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#define user_sc(reg, addr) __BUILD_EVA_INSN("sce", reg, addr)
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#define user_lw(reg, addr) __BUILD_EVA_INSN("lwe", reg, addr)
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#else
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#define user_cache(op, base) kernel_cache(op, base)
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#define user_pref(hint, base) kernel_pref(hint, base)
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#define user_ll(reg, addr) kernel_ll(reg, addr)
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#define user_sc(reg, addr) kernel_sc(reg, addr)
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#define user_lw(reg, addr) kernel_lw(reg, addr)
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#else /* __ASSEMBLY__ */
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#define kernel_cache(op, base) cache op, base
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#define kernel_pref(hint, base) pref hint, base
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#define kernel_ll(reg, addr) ll reg, addr
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#define kernel_sc(reg, addr) sc reg, addr
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#define kernel_lw(reg, addr) lw reg, addr
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.set pop;
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#define user_cache(op, base) __BUILD_EVA_INSN(cachee, op, base)
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#define user_pref(hint, base) __BUILD_EVA_INSN(prefe, hint, base)
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#define user_ll(reg, addr) __BUILD_EVA_INSN(lle, reg, addr)
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#define user_sc(reg, addr) __BUILD_EVA_INSN(sce, reg, addr)
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#define user_lw(reg, addr) __BUILD_EVA_INSN(lwe, reg, addr)
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#else
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#define user_cache(op, base) kernel_cache(op, base)
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#define user_pref(hint, base) kernel_pref(hint, base)
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#define user_ll(reg, addr) kernel_ll(reg, addr)
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#define user_sc(reg, addr) kernel_sc(reg, addr)
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#define user_lw(reg, addr) kernel_lw(reg, addr)