summaryrefslogtreecommitdiffstats
path: root/arch/powerpc
diff options
context:
space:
mode:
authorMarkus Stockhausen <stockhausen@collogia.de>2015-02-22 09:59:38 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2015-03-01 23:02:27 +1300
commit74f2dc2041d3d66689984cdb987f3224caffaedd (patch)
tree5f58db064624f57022c4271f7bf4fb5858afe8c7 /arch/powerpc
parent0052a65413f006663e0d7fbfc886ea5bbd8f197f (diff)
downloadop-kernel-dev-74f2dc2041d3d66689984cdb987f3224caffaedd.zip
op-kernel-dev-74f2dc2041d3d66689984cdb987f3224caffaedd.tar.gz
crypto: powerpc/aes - register defines
Define some register aliases for better readability. Signed-off-by: Markus Stockhausen <stockhausen@collogia.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/crypto/aes-spe-regs.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/powerpc/crypto/aes-spe-regs.h b/arch/powerpc/crypto/aes-spe-regs.h
new file mode 100644
index 0000000..30d217b
--- /dev/null
+++ b/arch/powerpc/crypto/aes-spe-regs.h
@@ -0,0 +1,42 @@
+/*
+ * Common registers for PPC AES implementation
+ *
+ * Copyright (c) 2015 Markus Stockhausen <stockhausen@collogia.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+
+#define rKS r0 /* copy of en-/decryption key pointer */
+#define rDP r3 /* destination pointer */
+#define rSP r4 /* source pointer */
+#define rKP r5 /* pointer to en-/decryption key pointer */
+#define rRR r6 /* en-/decryption rounds */
+#define rLN r7 /* length of data to be processed */
+#define rIP r8 /* potiner to IV (CBC/CTR/XTS modes) */
+#define rKT r9 /* pointer to tweak key (XTS mode) */
+#define rT0 r11 /* pointers to en-/decrpytion tables */
+#define rT1 r10
+#define rD0 r9 /* data */
+#define rD1 r14
+#define rD2 r12
+#define rD3 r15
+#define rW0 r16 /* working registers */
+#define rW1 r17
+#define rW2 r18
+#define rW3 r19
+#define rW4 r20
+#define rW5 r21
+#define rW6 r22
+#define rW7 r23
+#define rI0 r24 /* IV */
+#define rI1 r25
+#define rI2 r26
+#define rI3 r27
+#define rG0 r28 /* endian reversed tweak (XTS mode) */
+#define rG1 r29
+#define rG2 r30
+#define rG3 r31
OpenPOWER on IntegriCloud