sparc64: Add DES driver making use of the new des opcodes.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/crypto/des_asm.S b/arch/sparc/crypto/des_asm.S
new file mode 100644
index 0000000..589481e
--- /dev/null
+++ b/arch/sparc/crypto/des_asm.S
@@ -0,0 +1,439 @@
+#include <linux/linkage.h>
+#include <asm/visasm.h>
+
+#define F3F(x,y,z) (((x)<<30)|((y)<<19)|((z)<<5))
+
+#define FPD_ENCODE(x) (((x) >> 5) | ((x) & ~(0x20)))
+
+#define RS1(x) (FPD_ENCODE(x) << 14)
+#define RS2(x) (FPD_ENCODE(x) << 0)
+#define RS3(x) (FPD_ENCODE(x) << 9)
+#define RD(x) (FPD_ENCODE(x) << 25)
+#define IMM5(x) ((x) << 0)
+
+#define DES_IP(a,b) \
+ .word (F3F(2, 0x36, 0x134)|RS1(a)|RD(b));
+#define DES_IIP(a,b) \
+ .word (F3F(2, 0x36, 0x135)|RS1(a)|RD(b));
+#define DES_KEXPAND(a,b,c) \
+ .word (F3F(2, 0x36, 0x136)|RS1(a)|IMM5(b)|RD(c));
+#define DES_ROUND(a,b,c,d) \
+ .word (F3F(2, 0x19, 0x009)|RS1(a)|RS2(b)|RS3(c)|RD(d));
+
+#define MOVXTOD_G1_F60 \
+ .word 0xbbb02301
+#define MOVXTOD_G1_F62 \
+ .word 0xbfb02301
+
+ .align 32
+ENTRY(des_sparc64_key_expand)
+ /* %o0=input_key, %o1=output_key */
+ VISEntryHalf
+ ld [%o0 + 0x00], %f0
+ ld [%o0 + 0x04], %f1
+ DES_KEXPAND(0, 0, 0)
+ DES_KEXPAND(0, 1, 2)
+ DES_KEXPAND(2, 3, 6)
+ DES_KEXPAND(2, 2, 4)
+ DES_KEXPAND(6, 3, 10)
+ DES_KEXPAND(6, 2, 8)
+ DES_KEXPAND(10, 3, 14)
+ DES_KEXPAND(10, 2, 12)
+ DES_KEXPAND(14, 1, 16)
+ DES_KEXPAND(16, 3, 20)
+ DES_KEXPAND(16, 2, 18)
+ DES_KEXPAND(20, 3, 24)
+ DES_KEXPAND(20, 2, 22)
+ DES_KEXPAND(24, 3, 28)
+ DES_KEXPAND(24, 2, 26)
+ DES_KEXPAND(28, 1, 30)
+ std %f0, [%o1 + 0x00]
+ std %f2, [%o1 + 0x08]
+ std %f4, [%o1 + 0x10]
+ std %f6, [%o1 + 0x18]
+ std %f8, [%o1 + 0x20]
+ std %f10, [%o1 + 0x28]
+ std %f12, [%o1 + 0x30]
+ std %f14, [%o1 + 0x38]
+ std %f16, [%o1 + 0x40]
+ std %f18, [%o1 + 0x48]
+ std %f20, [%o1 + 0x50]
+ std %f22, [%o1 + 0x58]
+ std %f24, [%o1 + 0x60]
+ std %f26, [%o1 + 0x68]
+ std %f28, [%o1 + 0x70]
+ std %f30, [%o1 + 0x78]
+ retl
+ VISExitHalf
+ENDPROC(des_sparc64_key_expand)
+
+ .align 32
+ENTRY(des_sparc64_crypt)
+ /* %o0=key, %o1=input, %o2=output */
+ VISEntry
+ ldd [%o1 + 0x00], %f32
+ ldd [%o0 + 0x00], %f0
+ ldd [%o0 + 0x08], %f2
+ ldd [%o0 + 0x10], %f4
+ ldd [%o0 + 0x18], %f6
+ ldd [%o0 + 0x20], %f8
+ ldd [%o0 + 0x28], %f10
+ ldd [%o0 + 0x30], %f12
+ ldd [%o0 + 0x38], %f14
+ ldd [%o0 + 0x40], %f16
+ ldd [%o0 + 0x48], %f18
+ ldd [%o0 + 0x50], %f20
+ ldd [%o0 + 0x58], %f22
+ ldd [%o0 + 0x60], %f24
+ ldd [%o0 + 0x68], %f26
+ ldd [%o0 + 0x70], %f28
+ ldd [%o0 + 0x78], %f30
+ DES_IP(32, 32)
+ DES_ROUND(0, 2, 32, 32)
+ DES_ROUND(4, 6, 32, 32)
+ DES_ROUND(8, 10, 32, 32)
+ DES_ROUND(12, 14, 32, 32)
+ DES_ROUND(16, 18, 32, 32)
+ DES_ROUND(20, 22, 32, 32)
+ DES_ROUND(24, 26, 32, 32)
+ DES_ROUND(28, 30, 32, 32)
+ DES_IIP(32, 32)
+ std %f32, [%o2 + 0x00]
+ retl
+ VISExit
+ENDPROC(des_sparc64_crypt)
+
+ .align 32
+ENTRY(des_sparc64_load_keys)
+ /* %o0=key */
+ VISEntry
+ ldd [%o0 + 0x00], %f0
+ ldd [%o0 + 0x08], %f2
+ ldd [%o0 + 0x10], %f4
+ ldd [%o0 + 0x18], %f6
+ ldd [%o0 + 0x20], %f8
+ ldd [%o0 + 0x28], %f10
+ ldd [%o0 + 0x30], %f12
+ ldd [%o0 + 0x38], %f14
+ ldd [%o0 + 0x40], %f16
+ ldd [%o0 + 0x48], %f18
+ ldd [%o0 + 0x50], %f20
+ ldd [%o0 + 0x58], %f22
+ ldd [%o0 + 0x60], %f24
+ ldd [%o0 + 0x68], %f26
+ ldd [%o0 + 0x70], %f28
+ retl
+ ldd [%o0 + 0x78], %f30
+ENDPROC(des_sparc64_load_keys)
+
+ .align 32
+ENTRY(des_sparc64_ecb_crypt)
+ /* %o0=input, %o1=output, %o2=len */
+1: ldd [%o0 + 0x00], %f32
+ add %o0, 0x08, %o0
+ DES_IP(32, 32)
+ DES_ROUND(0, 2, 32, 32)
+ DES_ROUND(4, 6, 32, 32)
+ DES_ROUND(8, 10, 32, 32)
+ DES_ROUND(12, 14, 32, 32)
+ DES_ROUND(16, 18, 32, 32)
+ DES_ROUND(20, 22, 32, 32)
+ DES_ROUND(24, 26, 32, 32)
+ DES_ROUND(28, 30, 32, 32)
+ DES_IIP(32, 32)
+ std %f32, [%o1 + 0x00]
+ subcc %o2, 0x08, %o2
+ bne,pt %icc, 1b
+ add %o1, 0x08, %o1
+ retl
+ nop
+ENDPROC(des_sparc64_ecb_crypt)
+
+ .align 32
+ENTRY(des_sparc64_cbc_encrypt)
+ /* %o0=input, %o1=output, %o2=len, %o3=IV */
+ ldd [%o3 + 0x00], %f32
+1: ldd [%o0 + 0x00], %f34
+ fxor %f32, %f34, %f32
+ DES_IP(32, 32)
+ DES_ROUND(0, 2, 32, 32)
+ DES_ROUND(4, 6, 32, 32)
+ DES_ROUND(8, 10, 32, 32)
+ DES_ROUND(12, 14, 32, 32)
+ DES_ROUND(16, 18, 32, 32)
+ DES_ROUND(20, 22, 32, 32)
+ DES_ROUND(24, 26, 32, 32)
+ DES_ROUND(28, 30, 32, 32)
+ DES_IIP(32, 32)
+ std %f32, [%o1 + 0x00]
+ add %o0, 0x08, %o0
+ subcc %o2, 0x08, %o2
+ bne,pt %icc, 1b
+ add %o1, 0x08, %o1
+ retl
+ std %f32, [%o3 + 0x00]
+ENDPROC(des_sparc64_cbc_encrypt)
+
+ .align 32
+ENTRY(des_sparc64_cbc_decrypt)
+ /* %o0=input, %o1=output, %o2=len, %o3=IV */
+ ldd [%o3 + 0x00], %f34
+1: ldd [%o0 + 0x00], %f36
+ DES_IP(36, 32)
+ DES_ROUND(0, 2, 32, 32)
+ DES_ROUND(4, 6, 32, 32)
+ DES_ROUND(8, 10, 32, 32)
+ DES_ROUND(12, 14, 32, 32)
+ DES_ROUND(16, 18, 32, 32)
+ DES_ROUND(20, 22, 32, 32)
+ DES_ROUND(24, 26, 32, 32)
+ DES_ROUND(28, 30, 32, 32)
+ DES_IIP(32, 32)
+ fxor %f32, %f34, %f32
+ std %f32, [%o1 + 0x00]
+ add %o0, 0x08, %o0
+ subcc %o2, 0x08, %o2
+ bne,pt %icc, 1b
+ add %o1, 0x08, %o1
+ retl
+ std %f36, [%o3 + 0x00]
+ENDPROC(des_sparc64_cbc_decrypt)
+
+ .align 32
+ENTRY(des3_ede_sparc64_crypt)
+ /* %o0=key, %o1=input, %o2=output */
+ VISEntry
+ ldd [%o1 + 0x00], %f32
+ ldd [%o0 + 0x00], %f0
+ ldd [%o0 + 0x08], %f2
+ ldd [%o0 + 0x10], %f4
+ ldd [%o0 + 0x18], %f6
+ ldd [%o0 + 0x20], %f8
+ ldd [%o0 + 0x28], %f10
+ ldd [%o0 + 0x30], %f12
+ ldd [%o0 + 0x38], %f14
+ ldd [%o0 + 0x40], %f16
+ ldd [%o0 + 0x48], %f18
+ ldd [%o0 + 0x50], %f20
+ ldd [%o0 + 0x58], %f22
+ ldd [%o0 + 0x60], %f24
+ ldd [%o0 + 0x68], %f26
+ ldd [%o0 + 0x70], %f28
+ ldd [%o0 + 0x78], %f30
+ DES_IP(32, 32)
+ DES_ROUND(0, 2, 32, 32)
+ ldd [%o0 + 0x80], %f0
+ ldd [%o0 + 0x88], %f2
+ DES_ROUND(4, 6, 32, 32)
+ ldd [%o0 + 0x90], %f4
+ ldd [%o0 + 0x98], %f6
+ DES_ROUND(8, 10, 32, 32)
+ ldd [%o0 + 0xa0], %f8
+ ldd [%o0 + 0xa8], %f10
+ DES_ROUND(12, 14, 32, 32)
+ ldd [%o0 + 0xb0], %f12
+ ldd [%o0 + 0xb8], %f14
+ DES_ROUND(16, 18, 32, 32)
+ ldd [%o0 + 0xc0], %f16
+ ldd [%o0 + 0xc8], %f18
+ DES_ROUND(20, 22, 32, 32)
+ ldd [%o0 + 0xd0], %f20
+ ldd [%o0 + 0xd8], %f22
+ DES_ROUND(24, 26, 32, 32)
+ ldd [%o0 + 0xe0], %f24
+ ldd [%o0 + 0xe8], %f26
+ DES_ROUND(28, 30, 32, 32)
+ ldd [%o0 + 0xf0], %f28
+ ldd [%o0 + 0xf8], %f30
+ DES_IIP(32, 32)
+ DES_IP(32, 32)
+ DES_ROUND(0, 2, 32, 32)
+ ldd [%o0 + 0x100], %f0
+ ldd [%o0 + 0x108], %f2
+ DES_ROUND(4, 6, 32, 32)
+ ldd [%o0 + 0x110], %f4
+ ldd [%o0 + 0x118], %f6
+ DES_ROUND(8, 10, 32, 32)
+ ldd [%o0 + 0x120], %f8
+ ldd [%o0 + 0x128], %f10
+ DES_ROUND(12, 14, 32, 32)
+ ldd [%o0 + 0x130], %f12
+ ldd [%o0 + 0x138], %f14
+ DES_ROUND(16, 18, 32, 32)
+ ldd [%o0 + 0x140], %f16
+ ldd [%o0 + 0x148], %f18
+ DES_ROUND(20, 22, 32, 32)
+ ldd [%o0 + 0x150], %f20
+ ldd [%o0 + 0x158], %f22
+ DES_ROUND(24, 26, 32, 32)
+ ldd [%o0 + 0x160], %f24
+ ldd [%o0 + 0x168], %f26
+ DES_ROUND(28, 30, 32, 32)
+ ldd [%o0 + 0x170], %f28
+ ldd [%o0 + 0x178], %f30
+ DES_IIP(32, 32)
+ DES_IP(32, 32)
+ DES_ROUND(0, 2, 32, 32)
+ DES_ROUND(4, 6, 32, 32)
+ DES_ROUND(8, 10, 32, 32)
+ DES_ROUND(12, 14, 32, 32)
+ DES_ROUND(16, 18, 32, 32)
+ DES_ROUND(20, 22, 32, 32)
+ DES_ROUND(24, 26, 32, 32)
+ DES_ROUND(28, 30, 32, 32)
+ DES_IIP(32, 32)
+
+ std %f32, [%o2 + 0x00]
+ retl
+ VISExit
+ENDPROC(des3_ede_sparc64_crypt)
+
+ .align 32
+ENTRY(des3_ede_sparc64_load_keys)
+ /* %o0=key */
+ VISEntry
+ ldd [%o0 + 0x00], %f0
+ ldd [%o0 + 0x08], %f2
+ ldd [%o0 + 0x10], %f4
+ ldd [%o0 + 0x18], %f6
+ ldd [%o0 + 0x20], %f8
+ ldd [%o0 + 0x28], %f10
+ ldd [%o0 + 0x30], %f12
+ ldd [%o0 + 0x38], %f14
+ ldd [%o0 + 0x40], %f16
+ ldd [%o0 + 0x48], %f18
+ ldd [%o0 + 0x50], %f20
+ ldd [%o0 + 0x58], %f22
+ ldd [%o0 + 0x60], %f24
+ ldd [%o0 + 0x68], %f26
+ ldd [%o0 + 0x70], %f28
+ ldd [%o0 + 0x78], %f30
+ ldd [%o0 + 0x80], %f32
+ ldd [%o0 + 0x88], %f34
+ ldd [%o0 + 0x90], %f36
+ ldd [%o0 + 0x98], %f38
+ ldd [%o0 + 0xa0], %f40
+ ldd [%o0 + 0xa8], %f42
+ ldd [%o0 + 0xb0], %f44
+ ldd [%o0 + 0xb8], %f46
+ ldd [%o0 + 0xc0], %f48
+ ldd [%o0 + 0xc8], %f50
+ ldd [%o0 + 0xd0], %f52
+ ldd [%o0 + 0xd8], %f54
+ ldd [%o0 + 0xe0], %f56
+ retl
+ ldd [%o0 + 0xe8], %f58
+ENDPROC(des3_ede_sparc64_load_keys)
+
+#define DES3_LOOP_BODY(X) \
+ DES_IP(X, X) \
+ DES_ROUND(0, 2, X, X) \
+ DES_ROUND(4, 6, X, X) \
+ DES_ROUND(8, 10, X, X) \
+ DES_ROUND(12, 14, X, X) \
+ DES_ROUND(16, 18, X, X) \
+ ldd [%o0 + 0xf0], %f16; \
+ ldd [%o0 + 0xf8], %f18; \
+ DES_ROUND(20, 22, X, X) \
+ ldd [%o0 + 0x100], %f20; \
+ ldd [%o0 + 0x108], %f22; \
+ DES_ROUND(24, 26, X, X) \
+ ldd [%o0 + 0x110], %f24; \
+ ldd [%o0 + 0x118], %f26; \
+ DES_ROUND(28, 30, X, X) \
+ ldd [%o0 + 0x120], %f28; \
+ ldd [%o0 + 0x128], %f30; \
+ DES_IIP(X, X) \
+ DES_IP(X, X) \
+ DES_ROUND(32, 34, X, X) \
+ ldd [%o0 + 0x130], %f0; \
+ ldd [%o0 + 0x138], %f2; \
+ DES_ROUND(36, 38, X, X) \
+ ldd [%o0 + 0x140], %f4; \
+ ldd [%o0 + 0x148], %f6; \
+ DES_ROUND(40, 42, X, X) \
+ ldd [%o0 + 0x150], %f8; \
+ ldd [%o0 + 0x158], %f10; \
+ DES_ROUND(44, 46, X, X) \
+ ldd [%o0 + 0x160], %f12; \
+ ldd [%o0 + 0x168], %f14; \
+ DES_ROUND(48, 50, X, X) \
+ DES_ROUND(52, 54, X, X) \
+ DES_ROUND(56, 58, X, X) \
+ DES_ROUND(16, 18, X, X) \
+ ldd [%o0 + 0x170], %f16; \
+ ldd [%o0 + 0x178], %f18; \
+ DES_IIP(X, X) \
+ DES_IP(X, X) \
+ DES_ROUND(20, 22, X, X) \
+ ldd [%o0 + 0x50], %f20; \
+ ldd [%o0 + 0x58], %f22; \
+ DES_ROUND(24, 26, X, X) \
+ ldd [%o0 + 0x60], %f24; \
+ ldd [%o0 + 0x68], %f26; \
+ DES_ROUND(28, 30, X, X) \
+ ldd [%o0 + 0x70], %f28; \
+ ldd [%o0 + 0x78], %f30; \
+ DES_ROUND(0, 2, X, X) \
+ ldd [%o0 + 0x00], %f0; \
+ ldd [%o0 + 0x08], %f2; \
+ DES_ROUND(4, 6, X, X) \
+ ldd [%o0 + 0x10], %f4; \
+ ldd [%o0 + 0x18], %f6; \
+ DES_ROUND(8, 10, X, X) \
+ ldd [%o0 + 0x20], %f8; \
+ ldd [%o0 + 0x28], %f10; \
+ DES_ROUND(12, 14, X, X) \
+ ldd [%o0 + 0x30], %f12; \
+ ldd [%o0 + 0x38], %f14; \
+ DES_ROUND(16, 18, X, X) \
+ ldd [%o0 + 0x40], %f16; \
+ ldd [%o0 + 0x48], %f18; \
+ DES_IIP(X, X)
+
+ .align 32
+ENTRY(des3_ede_sparc64_ecb_crypt)
+ /* %o0=key, %o1=input, %o2=output, %o3=len */
+1: ldd [%o1 + 0x00], %f60
+ DES3_LOOP_BODY(60)
+ std %f60, [%o2 + 0x00]
+ subcc %o3, 0x08, %o3
+ bne,pt %icc, 1b
+ add %o2, 0x08, %o2
+ retl
+ nop
+ENDPROC(des3_ede_sparc64_ecb_crypt)
+
+ .align 32
+ENTRY(des3_ede_sparc64_cbc_encrypt)
+ /* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */
+ ldd [%o4 + 0x00], %f60
+1: ldd [%o1 + 0x00], %f62
+ fxor %f60, %f62, %f60
+ DES3_LOOP_BODY(60)
+ std %f60, [%o2 + 0x00]
+ add %o1, 0x08, %o1
+ subcc %o3, 0x08, %o3
+ bne,pt %icc, 1b
+ add %o2, 0x08, %o2
+ retl
+ std %f60, [%o4 + 0x00]
+ENDPROC(des3_ede_sparc64_cbc_encrypt)
+
+ .align 32
+ENTRY(des3_ede_sparc64_cbc_decrypt)
+ /* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */
+ ldd [%o4 + 0x00], %f62
+1: ldx [%o1 + 0x00], %g1
+ MOVXTOD_G1_F60
+ DES3_LOOP_BODY(60)
+ fxor %f62, %f60, %f60
+ MOVXTOD_G1_F62
+ std %f60, [%o2 + 0x00]
+ add %o1, 0x08, %o1
+ subcc %o3, 0x08, %o3
+ bne,pt %icc, 1b
+ add %o2, 0x08, %o2
+ retl
+ stx %g1, [%o4 + 0x00]
+ENDPROC(des3_ede_sparc64_cbc_decrypt)