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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/sparc/crypto/sha1_asm.S
parentInitial commit. (diff)
downloadlinux-c109f8d9e922037b3fa45f46d78384d49db8ad76.tar.xz
linux-c109f8d9e922037b3fa45f46d78384d49db8ad76.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sparc/crypto/sha1_asm.S')
-rw-r--r--arch/sparc/crypto/sha1_asm.S73
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/sparc/crypto/sha1_asm.S b/arch/sparc/crypto/sha1_asm.S
new file mode 100644
index 000000000..7d8bf354f
--- /dev/null
+++ b/arch/sparc/crypto/sha1_asm.S
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/linkage.h>
+#include <asm/visasm.h>
+
+#include "opcodes.h"
+
+ENTRY(sha1_sparc64_transform)
+ /* %o0 = digest, %o1 = data, %o2 = rounds */
+ VISEntryHalf
+ ld [%o0 + 0x00], %f0
+ ld [%o0 + 0x04], %f1
+ ld [%o0 + 0x08], %f2
+ andcc %o1, 0x7, %g0
+ ld [%o0 + 0x0c], %f3
+ bne,pn %xcc, 10f
+ ld [%o0 + 0x10], %f4
+
+1:
+ ldd [%o1 + 0x00], %f8
+ ldd [%o1 + 0x08], %f10
+ ldd [%o1 + 0x10], %f12
+ ldd [%o1 + 0x18], %f14
+ ldd [%o1 + 0x20], %f16
+ ldd [%o1 + 0x28], %f18
+ ldd [%o1 + 0x30], %f20
+ ldd [%o1 + 0x38], %f22
+
+ SHA1
+
+ subcc %o2, 1, %o2
+ bne,pt %xcc, 1b
+ add %o1, 0x40, %o1
+
+5:
+ st %f0, [%o0 + 0x00]
+ st %f1, [%o0 + 0x04]
+ st %f2, [%o0 + 0x08]
+ st %f3, [%o0 + 0x0c]
+ st %f4, [%o0 + 0x10]
+ retl
+ VISExitHalf
+10:
+ alignaddr %o1, %g0, %o1
+
+ ldd [%o1 + 0x00], %f10
+1:
+ ldd [%o1 + 0x08], %f12
+ ldd [%o1 + 0x10], %f14
+ ldd [%o1 + 0x18], %f16
+ ldd [%o1 + 0x20], %f18
+ ldd [%o1 + 0x28], %f20
+ ldd [%o1 + 0x30], %f22
+ ldd [%o1 + 0x38], %f24
+ ldd [%o1 + 0x40], %f26
+
+ faligndata %f10, %f12, %f8
+ faligndata %f12, %f14, %f10
+ faligndata %f14, %f16, %f12
+ faligndata %f16, %f18, %f14
+ faligndata %f18, %f20, %f16
+ faligndata %f20, %f22, %f18
+ faligndata %f22, %f24, %f20
+ faligndata %f24, %f26, %f22
+
+ SHA1
+
+ subcc %o2, 1, %o2
+ fsrc2 %f26, %f10
+ bne,pt %xcc, 1b
+ add %o1, 0x40, %o1
+
+ ba,a,pt %xcc, 5b
+ENDPROC(sha1_sparc64_transform)