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| author | Zi Shen Lim <zlim.lnx@gmail.com> | 2014-08-27 05:15:18 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2014-09-08 14:39:19 +0100 |
| commit | c0cafbae20d2878883ec3c06d6ea30ff38a6bf92 (patch) | |
| tree | bb2201347c63383bae86c4935dc8db0e3809eccf /arch/arm64/include | |
| parent | 617d2fbc45233bed182accd3507d0df4d213492c (diff) | |
| download | linux-c0cafbae20d2878883ec3c06d6ea30ff38a6bf92.tar.gz linux-c0cafbae20d2878883ec3c06d6ea30ff38a6bf92.tar.bz2 linux-c0cafbae20d2878883ec3c06d6ea30ff38a6bf92.zip | |
arm64: introduce aarch64_insn_gen_branch_reg()
Introduce function to generate unconditional branch (register)
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')
| -rw-r--r-- | arch/arm64/include/asm/insn.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h index a98c4954b380..5080962058b0 100644 --- a/arch/arm64/include/asm/insn.h +++ b/arch/arm64/include/asm/insn.h @@ -71,6 +71,7 @@ enum aarch64_insn_imm_type { enum aarch64_insn_register_type { AARCH64_INSN_REGTYPE_RT, + AARCH64_INSN_REGTYPE_RN, }; enum aarch64_insn_register { @@ -119,6 +120,7 @@ enum aarch64_insn_variant { enum aarch64_insn_branch_type { AARCH64_INSN_BRANCH_NOLINK, AARCH64_INSN_BRANCH_LINK, + AARCH64_INSN_BRANCH_RETURN, AARCH64_INSN_BRANCH_COMP_ZERO, AARCH64_INSN_BRANCH_COMP_NONZERO, }; @@ -138,6 +140,9 @@ __AARCH64_INSN_FUNCS(hvc, 0xFFE0001F, 0xD4000002) __AARCH64_INSN_FUNCS(smc, 0xFFE0001F, 0xD4000003) __AARCH64_INSN_FUNCS(brk, 0xFFE0001F, 0xD4200000) __AARCH64_INSN_FUNCS(hint, 0xFFFFF01F, 0xD503201F) +__AARCH64_INSN_FUNCS(br, 0xFFFFFC1F, 0xD61F0000) +__AARCH64_INSN_FUNCS(blr, 0xFFFFFC1F, 0xD63F0000) +__AARCH64_INSN_FUNCS(ret, 0xFFFFFC1F, 0xD65F0000) #undef __AARCH64_INSN_FUNCS @@ -156,6 +161,8 @@ u32 aarch64_insn_gen_comp_branch_imm(unsigned long pc, unsigned long addr, enum aarch64_insn_branch_type type); u32 aarch64_insn_gen_hint(enum aarch64_insn_hint_op op); u32 aarch64_insn_gen_nop(void); +u32 aarch64_insn_gen_branch_reg(enum aarch64_insn_register reg, + enum aarch64_insn_branch_type type); bool aarch64_insn_hotpatch_safe(u32 old_insn, u32 new_insn); |