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| author | James Morse <james.morse@arm.com> | 2021-12-09 18:12:19 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-05-18 09:21:25 +0300 |
| commit | cc0b8e148c334c4e8ea60446dfd78b72f7a70d70 (patch) | |
| tree | cebf9c9b89a0be46865a55d55346b069f577cf0a /arch/arm64/include | |
| parent | 361dfa7f5c94bdaa51b637b2784d01d70a35bfaf (diff) | |
| download | linux-cc0b8e148c334c4e8ea60446dfd78b72f7a70d70.tar.xz | |
arm64: insn: Add support for encoding DSB
commit 63de8abd97ddb9b758bd8f915ecbd18e1f1a87a0 upstream.
To generate code in the eBPF epilogue that uses the DSB instruction,
insn.c needs a heler to encode the type and domain.
Re-use the crm encoding logic from the DMB instruction.
Signed-off-by: James Morse <james.morse@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm64/include')
| -rw-r--r-- | arch/arm64/include/asm/insn.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h index 834bff720582..0075dc5d8238 100644 --- a/arch/arm64/include/asm/insn.h +++ b/arch/arm64/include/asm/insn.h @@ -619,6 +619,7 @@ u32 aarch64_insn_gen_cas(enum aarch64_insn_register result, } #endif u32 aarch64_insn_gen_dmb(enum aarch64_insn_mb_type type); +u32 aarch64_insn_gen_dsb(enum aarch64_insn_mb_type type); s32 aarch64_get_branch_offset(u32 insn); u32 aarch64_set_branch_offset(u32 insn, s32 offset); |