summaryrefslogtreecommitdiffstats
path: root/arch/arm64/crypto/sm4-ce-cipher-core.S
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm64/crypto/sm4-ce-cipher-core.S
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm64/crypto/sm4-ce-cipher-core.S')
-rw-r--r--arch/arm64/crypto/sm4-ce-cipher-core.S36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm64/crypto/sm4-ce-cipher-core.S b/arch/arm64/crypto/sm4-ce-cipher-core.S
new file mode 100644
index 000000000..4ac6cfbc5
--- /dev/null
+++ b/arch/arm64/crypto/sm4-ce-cipher-core.S
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+ .irp b, 0, 1, 2, 3, 4, 5, 6, 7, 8
+ .set .Lv\b\().4s, \b
+ .endr
+
+ .macro sm4e, rd, rn
+ .inst 0xcec08400 | .L\rd | (.L\rn << 5)
+ .endm
+
+ /*
+ * void sm4_ce_do_crypt(const u32 *rk, u32 *out, const u32 *in);
+ */
+ .text
+SYM_FUNC_START(sm4_ce_do_crypt)
+ ld1 {v8.4s}, [x2]
+ ld1 {v0.4s-v3.4s}, [x0], #64
+CPU_LE( rev32 v8.16b, v8.16b )
+ ld1 {v4.4s-v7.4s}, [x0]
+ sm4e v8.4s, v0.4s
+ sm4e v8.4s, v1.4s
+ sm4e v8.4s, v2.4s
+ sm4e v8.4s, v3.4s
+ sm4e v8.4s, v4.4s
+ sm4e v8.4s, v5.4s
+ sm4e v8.4s, v6.4s
+ sm4e v8.4s, v7.4s
+ rev64 v8.4s, v8.4s
+ ext v8.16b, v8.16b, v8.16b, #8
+CPU_LE( rev32 v8.16b, v8.16b )
+ st1 {v8.4s}, [x1]
+ ret
+SYM_FUNC_END(sm4_ce_do_crypt)