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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-10-12 14:08:35 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-10-12 14:08:35 +0300
commit4a12f38e23d10a5dbad6cce0abaadd10e5a1aa68 (patch)
tree533208f5479c17b9a7c162a425a967c7a7edf46b /lib/crc/sparc/crc32c_asm.S
parent0d2f2f4f27694a2214701e7482ab7599ce4e5e77 (diff)
parent449d48b1b99fdaa076166e200132705ac2bee711 (diff)
downloadlinux-rolling-stable.tar.xz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/crc/sparc/crc32c_asm.S')
-rw-r--r--lib/crc/sparc/crc32c_asm.S20
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/crc/sparc/crc32c_asm.S b/lib/crc/sparc/crc32c_asm.S
new file mode 100644
index 000000000000..4db873850f44
--- /dev/null
+++ b/lib/crc/sparc/crc32c_asm.S
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/linkage.h>
+#include <asm/opcodes.h>
+#include <asm/visasm.h>
+#include <asm/asi.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)