forgotten bmw stuff

[arm-crypto-lib.git] / bmw / bmw_small_speed_asmmix_f0.S

diff --git a/bmw/bmw_small_speed_asmmix_f0.S b/bmw/bmw_small_speed_asmmix_f0.S
new file mode 100644 (file)
index 0000000..8225271
--- /dev/null
+++ b/bmw/bmw_small_speed_asmmix_f0.S
@@ -0,0 +1,71 @@
+/* bmw_small_speed_asm_f0.S */
+/*
+    This file is part of the ARM-Crypto-Lib.
+    Copyright (C) 2006-2010 Daniel Otte (daniel.otte@rub.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 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+       .syntax unified
+
+.macro S32_0 out:req in:req
+       lsr \out, \in, #1
+       eor \out, \out, \in, LSL #3
+       eor \out, \out, \in, ROR #28
+       eor \out, \out, \in, ROR #13
+.endm
+
+.macro S32_1 out:req in:req
+       lsr \out, \in, #1
+       eor \out, \out, \in, LSL #2
+       eor \out, \out, \in, ROR #24
+       eor \out, \out, \in, ROR #9
+.endm
+
+.macro S32_2 out:req in:req
+       lsr \out, \in, #2
+       eor \out, \out, \in, LSL #1
+       eor \out, \out, \in, ROR #20
+       eor \out, \out, \in, ROR #7
+.endm
+
+.macro S32_3 out:req in:req
+       lsr \out, \in, #2
+       eor \out, \out, \in, LSL #2
+       eor \out, \out, \in, ROR #17
+       eor \out, \out, \in, ROR #3
+.endm
+
+.macro S32_4 in:req
+       eor \in, \in, \in, LSR #1
+.endm
+
+.macro S32_5 in:req
+       eor \in, \in, \in, LSR #2
+.endm
+
+
+       .text
+       .align 2
+       .thumb
+       .thumb_func
+       .type   bmw_small_f0, %function
+       .global bmw_small_f0
+bmw_small_f0:
+       push {r4, r5, r6, r7, r8, r9, r10, r11, r12, r14}
+
+#include "f0_small_autogen_mix.i"
+
+       pop {r4, r5, r6, r7, r8, r9, r10, r11, r12, PC}
+