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authorZi Shen Lim <zlim.lnx@gmail.com>2014-08-27 08:15:26 +0400
committerWill Deacon <will.deacon@arm.com>2014-09-08 17:39:20 +0400
commit546dd36b44613c770655531ee3ada6a9e9907d71 (patch)
treef1ae6369b410eb0825b0d59f4ff1e67303e64a3f /arch/arm64/include/asm/insn.h
parent5fdc639a7a5b187f75b7408ee7ae9f9c06771218 (diff)
downloadlinux-546dd36b44613c770655531ee3ada6a9e9907d71.tar.xz
arm64: introduce aarch64_insn_gen_data1()
Introduce function to generate data-processing (1 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.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h
index c0a765dae1f0..246d214e596a 100644
--- a/arch/arm64/include/asm/insn.h
+++ b/arch/arm64/include/asm/insn.h
@@ -185,6 +185,12 @@ enum aarch64_insn_bitfield_type {
AARCH64_INSN_BITFIELD_MOVE_SIGNED
};
+enum aarch64_insn_data1_type {
+ AARCH64_INSN_DATA1_REVERSE_16,
+ AARCH64_INSN_DATA1_REVERSE_32,
+ AARCH64_INSN_DATA1_REVERSE_64,
+};
+
#define __AARCH64_INSN_FUNCS(abbr, mask, val) \
static __always_inline bool aarch64_insn_is_##abbr(u32 code) \
{ return (code & (mask)) == (val); } \
@@ -211,6 +217,9 @@ __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(rev16, 0x7FFFFC00, 0x5AC00400)
+__AARCH64_INSN_FUNCS(rev32, 0x7FFFFC00, 0x5AC00800)
+__AARCH64_INSN_FUNCS(rev64, 0x7FFFFC00, 0x5AC00C00)
__AARCH64_INSN_FUNCS(b, 0xFC000000, 0x14000000)
__AARCH64_INSN_FUNCS(bl, 0xFC000000, 0x94000000)
__AARCH64_INSN_FUNCS(cbz, 0xFE000000, 0x34000000)
@@ -276,6 +285,10 @@ u32 aarch64_insn_gen_add_sub_shifted_reg(enum aarch64_insn_register dst,
int shift,
enum aarch64_insn_variant variant,
enum aarch64_insn_adsb_type type);
+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);
bool aarch64_insn_hotpatch_safe(u32 old_insn, u32 new_insn);