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-rw-r--r--arch/sparc/crypto/sha256_asm.S79
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/sparc/crypto/sha256_asm.S b/arch/sparc/crypto/sha256_asm.S
new file mode 100644
index 000000000..0b39ec7d7
--- /dev/null
+++ b/arch/sparc/crypto/sha256_asm.S
@@ -0,0 +1,79 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/linkage.h>
+#include <asm/visasm.h>
+
+#include "opcodes.h"
+
+ENTRY(sha256_sparc64_transform)
+ /* %o0 = digest, %o1 = data, %o2 = rounds */
+ VISEntryHalf
+ ld [%o0 + 0x00], %f0
+ ld [%o0 + 0x04], %f1
+ ld [%o0 + 0x08], %f2
+ ld [%o0 + 0x0c], %f3
+ ld [%o0 + 0x10], %f4
+ ld [%o0 + 0x14], %f5
+ andcc %o1, 0x7, %g0
+ ld [%o0 + 0x18], %f6
+ bne,pn %xcc, 10f
+ ld [%o0 + 0x1c], %f7
+
+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
+
+ SHA256
+
+ 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]
+ st %f5, [%o0 + 0x14]
+ st %f6, [%o0 + 0x18]
+ st %f7, [%o0 + 0x1c]
+ 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
+
+ SHA256
+
+ subcc %o2, 1, %o2
+ fsrc2 %f26, %f10
+ bne,pt %xcc, 1b
+ add %o1, 0x40, %o1
+
+ ba,a,pt %xcc, 5b
+ENDPROC(sha256_sparc64_transform)