xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

arm64: introduce aarch64_insn_gen_data3()

Browse Source 
Introduce function to generate data-processing (3 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>
This commit is contained in:
Zi Shen Lim
2014-08-27 05:15:28 +01:00
committed by Will Deacon
parent 6481063989
commit 27f95ba59b
2 changed files with 56 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
arch/arm64/include/asm/insn.h
View File

@@ -79,6 +79,7 @@ enum aarch64_insn_register_type {
AARCH64_INSN_REGTYPE_RT2,
AARCH64_INSN_REGTYPE_RM,
AARCH64_INSN_REGTYPE_RD,
AARCH64_INSN_REGTYPE_RA,
};
enum aarch64_insn_register {
@@ -200,6 +201,11 @@ enum aarch64_insn_data2_type {
AARCH64_INSN_DATA2_RORV,
};
enum aarch64_insn_data3_type {
AARCH64_INSN_DATA3_MADD,
AARCH64_INSN_DATA3_MSUB,
};
#define __AARCH64_INSN_FUNCS(abbr, mask, val) \
static __always_inline bool aarch64_insn_is_##abbr(u32 code) \
{ return (code & (mask)) == (val); } \
@@ -226,6 +232,8 @@ __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(madd, 0x7FE08000, 0x1B000000)
__AARCH64_INSN_FUNCS(msub, 0x7FE08000, 0x1B008000)
__AARCH64_INSN_FUNCS(udiv, 0x7FE0FC00, 0x1AC00800)
__AARCH64_INSN_FUNCS(sdiv, 0x7FE0FC00, 0x1AC00C00)
__AARCH64_INSN_FUNCS(lslv, 0x7FE0FC00, 0x1AC02000)
@@ -309,6 +317,12 @@ u32 aarch64_insn_gen_data2(enum aarch64_insn_register dst,
enum aarch64_insn_register reg,
enum aarch64_insn_variant variant,
enum aarch64_insn_data2_type type);
u32 aarch64_insn_gen_data3(enum aarch64_insn_register dst,
enum aarch64_insn_register src,
enum aarch64_insn_register reg1,
enum aarch64_insn_register reg2,
enum aarch64_insn_variant variant,
enum aarch64_insn_data3_type type);
bool aarch64_insn_hotpatch_safe(u32 old_insn, u32 new_insn);