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authorZi Shen Lim <zlim.lnx@gmail.com>2014-08-27 08:15:27 +0400
committerWill Deacon <will.deacon@arm.com>2014-09-08 17:39:20 +0400
commit6481063989283f7cbeb0b6c38506ba4dd319f93a (patch)
tree3eca293e1918a99250bc489329ce59da22216f63 /arch/arm64/include/asm/insn.h
parent546dd36b44613c770655531ee3ada6a9e9907d71 (diff)
downloadlinux-6481063989283f7cbeb0b6c38506ba4dd319f93a.tar.xz
arm64: introduce aarch64_insn_gen_data2()
Introduce function to generate data-processing (2 source) instructions. Signed-off-by: Zi Shen Lim <zlim.lnx@gmail.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/insn.h')
-rw-r--r--arch/arm64/include/asm/insn.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h
index 246d214e596a..367245fab9b7 100644
--- a/arch/arm64/include/asm/insn.h
+++ b/arch/arm64/include/asm/insn.h
@@ -191,6 +191,15 @@ enum aarch64_insn_data1_type {
AARCH64_INSN_DATA1_REVERSE_64,
};
+enum aarch64_insn_data2_type {
+ AARCH64_INSN_DATA2_UDIV,
+ AARCH64_INSN_DATA2_SDIV,
+ AARCH64_INSN_DATA2_LSLV,
+ AARCH64_INSN_DATA2_LSRV,
+ AARCH64_INSN_DATA2_ASRV,
+ AARCH64_INSN_DATA2_RORV,
+};
+
#define __AARCH64_INSN_FUNCS(abbr, mask, val) \
static __always_inline bool aarch64_insn_is_##abbr(u32 code) \
{ return (code & (mask)) == (val); } \
@@ -217,6 +226,12 @@ __AARCH64_INSN_FUNCS(add, 0x7F200000, 0x0B000000)
__AARCH64_INSN_FUNCS(adds, 0x7F200000, 0x2B000000)
__AARCH64_INSN_FUNCS(sub, 0x7F200000, 0x4B000000)
__AARCH64_INSN_FUNCS(subs, 0x7F200000, 0x6B000000)
+__AARCH64_INSN_FUNCS(udiv, 0x7FE0FC00, 0x1AC00800)
+__AARCH64_INSN_FUNCS(sdiv, 0x7FE0FC00, 0x1AC00C00)
+__AARCH64_INSN_FUNCS(lslv, 0x7FE0FC00, 0x1AC02000)
+__AARCH64_INSN_FUNCS(lsrv, 0x7FE0FC00, 0x1AC02400)
+__AARCH64_INSN_FUNCS(asrv, 0x7FE0FC00, 0x1AC02800)
+__AARCH64_INSN_FUNCS(rorv, 0x7FE0FC00, 0x1AC02C00)
__AARCH64_INSN_FUNCS(rev16, 0x7FFFFC00, 0x5AC00400)
__AARCH64_INSN_FUNCS(rev32, 0x7FFFFC00, 0x5AC00800)
__AARCH64_INSN_FUNCS(rev64, 0x7FFFFC00, 0x5AC00C00)
@@ -289,6 +304,11 @@ u32 aarch64_insn_gen_data1(enum aarch64_insn_register dst,
enum aarch64_insn_register src,
enum aarch64_insn_variant variant,
enum aarch64_insn_data1_type type);
+u32 aarch64_insn_gen_data2(enum aarch64_insn_register dst,
+ enum aarch64_insn_register src,
+ enum aarch64_insn_register reg,
+ enum aarch64_insn_variant variant,
+ enum aarch64_insn_data2_type type);
bool aarch64_insn_hotpatch_safe(u32 old_insn, u32 new_insn);