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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/sparc/crypto/crc32c_asm.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/sparc/crypto/crc32c_asm.S')
-rw-r--r--arch/sparc/crypto/crc32c_asm.S21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/sparc/crypto/crc32c_asm.S b/arch/sparc/crypto/crc32c_asm.S
new file mode 100644
index 000000000..b8659a479
--- /dev/null
+++ b/arch/sparc/crypto/crc32c_asm.S
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/linkage.h>
+#include <asm/visasm.h>
+#include <asm/asi.h>
+
+#include "opcodes.h"
+
+ENTRY(crc32c_sparc64)
+ /* %o0=crc32p, %o1=data_ptr, %o2=len */
+ VISEntryHalf
+ lda [%o0] ASI_PL, %f1
+1: ldd [%o1], %f2
+ CRC32C(0,2,0)
+ subcc %o2, 8, %o2
+ bne,pt %icc, 1b
+ add %o1, 0x8, %o1
+ sta %f1, [%o0] ASI_PL
+ VISExitHalf
+2: retl
+ nop
+ENDPROC(crc32c_sparc64)