diff options
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/crypto/sha1_ubicom32_asm.S')
| -rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/crypto/sha1_ubicom32_asm.S | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/crypto/sha1_ubicom32_asm.S b/target/linux/ubicom32/files/arch/ubicom32/crypto/sha1_ubicom32_asm.S deleted file mode 100644 index f610b7e9f1..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/crypto/sha1_ubicom32_asm.S +++ /dev/null @@ -1,244 +0,0 @@ -/* - * arch/ubicom32/crypto/sha1_ubicom32_asm.S - * SHA1 hash support for Ubicom32 architecture V3. - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port 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 the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ - -#define __ASM__ -#include <asm/ip5000.h> - -#ifndef RP -#define RP A5 -#endif - -;***************************************************************************************** -; The function prototype -;***************************************************************************************** -; void sha1_ip5k_init(void) -; void sha1_ip5k_transform(u32_t *data_input) -; void sha1_ip5k_output(u32_t *digest) - -;***************************************************************************************** -; Inputs -;***************************************************************************************** -; data_input is the pointer to the block of data over which the digest will be calculated. -; It should be word aligned. -; -; digest is the pointer to the block of data into which the digest (the output) will be written. -; It should be word aligned. -; - -;***************************************************************************************** -; Outputs -;***************************************************************************************** -; None - -;***************************************************************************************** -; Hash Constants -;***************************************************************************************** -#define HASH_SHA1_IN0 0x67452301 -#define HASH_SHA1_IN1 0xefcdab89 -#define HASH_SHA1_IN2 0x98badcfe -#define HASH_SHA1_IN3 0x10325476 -#define HASH_SHA1_IN4 0xc3d2e1f0 - -#define HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION 2 -#define HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1 ((1 << 5) | HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION) - -;***************************************************************************************** -; An: Address Registers -;***************************************************************************************** -#define an_digest a4 -#define an_data_input a4 -#define an_security_block a3 - -;***************************************************************************************** -; Hash related defines -;***************************************************************************************** -#define hash_control 0x00(an_security_block) -#define hash_control_low 0x02(an_security_block) -#define hash_status 0x04(an_security_block) - -#define hash_input_0 0x30(an_security_block) -#define hash_input_1 0x34(an_security_block) -#define hash_input_2 0x38(an_security_block) -#define hash_input_3 0x3c(an_security_block) -#define hash_input_4 0x40(an_security_block) - -#define hash_output_0 0x70(an_security_block) -#define hash_output_0_low 0x72(an_security_block) -#define hash_output_1 0x74(an_security_block) -#define hash_output_1_low 0x76(an_security_block) -#define hash_output_2 0x78(an_security_block) -#define hash_output_2_low 0x7a(an_security_block) -#define hash_output_3 0x7c(an_security_block) -#define hash_output_3_low 0x7e(an_security_block) -#define hash_output_4 0x80(an_security_block) -#define hash_output_4_low 0x82(an_security_block) - -;***************************************************************************************** -; Assembly macros -;***************************************************************************************** - ; C compiler reserves RP (A5) for return address during subroutine call. - ; Use RP to return to caller -.macro call_return_macro - calli RP, 0(RP) -.endm - -;***************************************************************************************** -; void sha1_ip5k_init(void) -; initialize the output registers of the hash module - - ;.section .text.sha1_ip5k_init,"ax",@progbits - .section .ocm_text,"ax",@progbits - .global _sha1_ip5k_init - .func sha1_ip5k_init, _sha1_ip5k_init - -_sha1_ip5k_init: - moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS - - movei hash_control, #%hi(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1) - movei hash_control_low, #%lo(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1) - - movei hash_output_0, #%hi(HASH_SHA1_IN0) - movei hash_output_0_low, #%lo(HASH_SHA1_IN0) - - movei hash_output_1, #%hi(HASH_SHA1_IN1) - movei hash_output_1_low, #%lo(HASH_SHA1_IN1) - - movei hash_output_2, #%hi(HASH_SHA1_IN2) - movei hash_output_2_low, #%lo(HASH_SHA1_IN2) - - movei hash_output_3, #%hi(HASH_SHA1_IN3) - movei hash_output_3_low, #%lo(HASH_SHA1_IN3) - - movei hash_output_4, #%hi(HASH_SHA1_IN4) - movei hash_output_4_low, #%lo(HASH_SHA1_IN4) - - call_return_macro - .endfunc - -;***************************************************************************************** -; void sha1_ip5k_init_digest(u32_t *hash_input) -; initialize the output registers of the hash module - - ;.section .text.sha1_ip5k_init_digest,"ax",@progbits - .section .ocm_text,"ax",@progbits - .global _sha1_ip5k_init_digest - .func sha1_ip5k_init_digest, _sha1_ip5k_init_digest - -_sha1_ip5k_init_digest: - movea an_data_input, D0 - - moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS - - movei hash_control, #%hi(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1) - movei hash_control_low, #%lo(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1) - - move.4 hash_output_0, (an_data_input)4++ - move.4 hash_output_1, (an_data_input)4++ - move.4 hash_output_2, (an_data_input)4++ - move.4 hash_output_3, (an_data_input)4++ - move.4 hash_output_4, (an_data_input)4++ - - call_return_macro - .endfunc - -;***************************************************************************************** -; void sha1_ip5k_transform(u32_t *data_input) -; performs intermediate transformation step for the hash calculation - - ;.section .text.sha1_ip5k_transform,"ax",@progbits - .section .ocm_text,"ax",@progbits - .global _sha1_ip5k_transform - .func sha1_ip5k_transform, _sha1_ip5k_transform - -_sha1_ip5k_transform: - movea an_data_input, D0 - - moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS - - ; Write the first 128bits (16 bytes) - move.4 hash_input_0, (an_data_input)4++ - move.4 hash_input_1, (an_data_input)4++ - move.4 hash_input_2, (an_data_input)4++ - move.4 hash_input_3, (an_data_input)4++ - move.4 hash_input_4, D0 - - move.4 hash_input_0, (an_data_input)4++ - move.4 hash_input_1, (an_data_input)4++ - move.4 hash_input_2, (an_data_input)4++ - move.4 hash_input_3, (an_data_input)4++ - move.4 hash_input_4, D0 - - move.4 hash_input_0, (an_data_input)4++ - move.4 hash_input_1, (an_data_input)4++ - move.4 hash_input_2, (an_data_input)4++ - move.4 hash_input_3, (an_data_input)4++ - move.4 hash_input_4, D0 - - move.4 hash_input_0, (an_data_input)4++ - move.4 hash_input_1, (an_data_input)4++ - move.4 hash_input_2, (an_data_input)4++ - move.4 hash_input_3, (an_data_input)4++ - move.4 hash_input_4, D0 - - pipe_flush 0 - -sha1_ip5k_transform_wait: - ; wait for the module to calculate the output hash - btst hash_status, #0 - jmpne.f sha1_ip5k_transform_wait - - call_return_macro - .endfunc - -;***************************************************************************************** -; void sha1_ip5k_output(u32_t *digest) -; Return the hash of the input data - - ;.section .text.sha1_ip5k_output,"ax",@progbits - .section .ocm_text,"ax",@progbits - .global _sha1_ip5k_output - .func sha1_ip5k_output, _sha1_ip5k_output - -_sha1_ip5k_output: - movea an_digest, D0 - - moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS - - ; we have finished - move.4 0(an_digest), hash_output_0 - move.4 4(an_digest), hash_output_1 - move.4 8(an_digest), hash_output_2 - move.4 12(an_digest), hash_output_3 - move.4 16(an_digest), hash_output_4 - - call_return_macro - .endfunc - -;***************************************************************************************** -;END ;End of program code -;***************************************************************************************** |