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triangles_v5/src/scrypt-arm.S
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TrianglesDev ba6b557f39 Version update
2014-07-21 20:07:07 -07:00

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/*
* Copyright 2012 pooler@litecoinpool.org
*
* 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. See COPYING for more details.
*/
#if defined(OPTIMIZED_SALSA) && defined(__arm__) && defined(__APCS_32__)
#if defined(__linux__) && defined(__ELF__)
.section .note.GNU-stack,"",%progbits
#endif
#if defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) || \
defined(__ARM_ARCH_5TEJ__) || defined(__ARM_ARCH_6__) || \
defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || \
defined(__ARM_ARCH_6M__) || defined(__ARM_ARCH_6T2__) || \
defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__)
#define __ARM_ARCH_5E_OR_6__
#endif
#if defined(__ARM_ARCH_5E_OR_6__) || defined(__ARM_ARCH_7__) || \
defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || \
defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
#define __ARM_ARCH_5E_OR_6_OR_7__
#endif
#ifdef __ARM_ARCH_5E_OR_6__
#define scrypt_shuffle() \
add lr, r0, #9*4; \
ldmia r0, {r2-r7}; \
ldmia lr, {r2, r8-r12, lr}; \
str r3, [r0, #5*4]; \
str r5, [r0, #15*4]; \
str r6, [r0, #12*4]; \
str r7, [r0, #1*4]; \
ldr r5, [r0, #7*4]; \
str r2, [r0, #13*4]; \
str r8, [r0, #2*4]; \
strd r4, [r0, #10*4]; \
str r9, [r0, #7*4]; \
str r10, [r0, #4*4]; \
str r11, [r0, #9*4]; \
str lr, [r0, #3*4]; \
add r2, r0, #64+0*4; \
add lr, r0, #64+9*4; \
ldmia r2, {r2-r7}; \
ldmia lr, {r2, r8-r12, lr}; \
str r3, [r0, #64+5*4]; \
str r5, [r0, #64+15*4]; \
str r6, [r0, #64+12*4]; \
str r7, [r0, #64+1*4]; \
ldr r5, [r0, #64+7*4]; \
str r2, [r0, #64+13*4]; \
str r8, [r0, #64+2*4]; \
strd r4, [r0, #64+10*4]; \
str r9, [r0, #64+7*4]; \
str r10, [r0, #64+4*4]; \
str r11, [r0, #64+9*4]; \
str lr, [r0, #64+3*4]; \
#define salsa8_core_doubleround_body() \
add r6, r2, r6; \
add r7, r3, r7; \
eor r10, r10, r6, ror #25; \
add r6, r0, r4; \
eor r11, r11, r7, ror #25; \
add r7, r1, r5; \
strd r10, [sp, #14*4]; \
eor r12, r12, r6, ror #25; \
eor lr, lr, r7, ror #25; \
ldrd r6, [sp, #10*4]; \
add r2, r10, r2; \
add r3, r11, r3; \
eor r6, r6, r2, ror #23; \
add r2, r12, r0; \
eor r7, r7, r3, ror #23; \
add r3, lr, r1; \
strd r6, [sp, #10*4]; \
eor r8, r8, r2, ror #23; \
eor r9, r9, r3, ror #23; \
ldrd r2, [sp, #6*4]; \
add r10, r6, r10; \
add r11, r7, r11; \
eor r2, r2, r10, ror #19; \
add r10, r8, r12; \
eor r3, r3, r11, ror #19; \
add r11, r9, lr; \
eor r4, r4, r10, ror #19; \
eor r5, r5, r11, ror #19; \
ldrd r10, [sp, #2*4]; \
add r6, r2, r6; \
add r7, r3, r7; \
eor r10, r10, r6, ror #14; \
add r6, r4, r8; \
eor r11, r11, r7, ror #14; \
add r7, r5, r9; \
eor r0, r0, r6, ror #14; \
eor r1, r1, r7, ror #14; \
ldrd r6, [sp, #14*4]; \
strd r2, [sp, #6*4]; \
strd r10, [sp, #2*4]; \
add r6, r11, r6; \
add r7, r0, r7; \
eor r4, r4, r6, ror #25; \
add r6, r1, r12; \
eor r5, r5, r7, ror #25; \
add r7, r10, lr; \
eor r2, r2, r6, ror #25; \
eor r3, r3, r7, ror #25; \
strd r2, [sp, #6*4]; \
add r10, r3, r10; \
ldrd r6, [sp, #10*4]; \
add r11, r4, r11; \
eor r8, r8, r10, ror #23; \
add r10, r5, r0; \
eor r9, r9, r11, ror #23; \
add r11, r2, r1; \
eor r6, r6, r10, ror #23; \
eor r7, r7, r11, ror #23; \
strd r6, [sp, #10*4]; \
add r2, r7, r2; \
ldrd r10, [sp, #14*4]; \
add r3, r8, r3; \
eor r12, r12, r2, ror #19; \
add r2, r9, r4; \
eor lr, lr, r3, ror #19; \
add r3, r6, r5; \
eor r10, r10, r2, ror #19; \
eor r11, r11, r3, ror #19; \
ldrd r2, [sp, #2*4]; \
add r6, r11, r6; \
add r7, r12, r7; \
eor r0, r0, r6, ror #14; \
add r6, lr, r8; \
eor r1, r1, r7, ror #14; \
add r7, r10, r9; \
eor r2, r2, r6, ror #14; \
eor r3, r3, r7, ror #14; \
#define salsa8_core() \
ldmia sp, {r0-r12, lr}; \
ldrd r10, [sp, #14*4]; \
salsa8_core_doubleround_body(); \
ldrd r6, [sp, #6*4]; \
strd r2, [sp, #2*4]; \
strd r10, [sp, #14*4]; \
salsa8_core_doubleround_body(); \
ldrd r6, [sp, #6*4]; \
strd r2, [sp, #2*4]; \
strd r10, [sp, #14*4]; \
salsa8_core_doubleround_body(); \
ldrd r6, [sp, #6*4]; \
strd r2, [sp, #2*4]; \
strd r10, [sp, #14*4]; \
salsa8_core_doubleround_body(); \
stmia sp, {r0-r5}; \
strd r8, [sp, #8*4]; \
str r12, [sp, #12*4]; \
str lr, [sp, #13*4]; \
strd r10, [sp, #14*4]; \
#else
#define scrypt_shuffle() \
#define salsa8_core_doubleround_body() \
ldr r8, [sp, #8*4]; \
add r11, r11, r10; \
ldr lr, [sp, #13*4]; \
add r12, r12, r3; \
eor r2, r2, r11, ror #23; \
add r11, r4, r0; \
eor r7, r7, r12, ror #23; \
add r12, r9, r5; \
str r9, [sp, #9*4]; \
eor r8, r8, r11, ror #23; \
str r10, [sp, #14*4]; \
eor lr, lr, r12, ror #23; \
ldr r11, [sp, #11*4]; \
add r9, lr, r9; \
ldr r12, [sp, #12*4]; \
add r10, r2, r10; \
eor r1, r1, r9, ror #19; \
add r9, r7, r3; \
eor r6, r6, r10, ror #19; \
add r10, r8, r4; \
str r8, [sp, #8*4]; \
eor r11, r11, r9, ror #19; \
str lr, [sp, #13*4]; \
eor r12, r12, r10, ror #19; \
ldr r9, [sp, #10*4]; \
add r8, r12, r8; \
ldr r10, [sp, #15*4]; \
add lr, r1, lr; \
eor r0, r0, r8, ror #14; \
add r8, r6, r2; \
eor r5, r5, lr, ror #14; \
add lr, r11, r7; \
eor r9, r9, r8, ror #14; \
ldr r8, [sp, #9*4]; \
eor r10, r10, lr, ror #14; \
ldr lr, [sp, #14*4]; \
add r8, r9, r8; \
str r9, [sp, #10*4]; \
add lr, r10, lr; \
str r10, [sp, #15*4]; \
eor r11, r11, r8, ror #25; \
add r8, r0, r3; \
eor r12, r12, lr, ror #25; \
add lr, r5, r4; \
eor r1, r1, r8, ror #25; \
ldr r8, [sp, #8*4]; \
eor r6, r6, lr, ror #25; \
add r9, r11, r9; \
ldr lr, [sp, #13*4]; \
add r10, r12, r10; \
eor r8, r8, r9, ror #23; \
add r9, r1, r0; \
eor lr, lr, r10, ror #23; \
add r10, r6, r5; \
str r11, [sp, #11*4]; \
eor r2, r2, r9, ror #23; \
str r12, [sp, #12*4]; \
eor r7, r7, r10, ror #23; \
ldr r9, [sp, #9*4]; \
add r11, r8, r11; \
ldr r10, [sp, #14*4]; \
add r12, lr, r12; \
eor r9, r9, r11, ror #19; \
add r11, r2, r1; \
eor r10, r10, r12, ror #19; \
add r12, r7, r6; \
str r8, [sp, #8*4]; \
eor r3, r3, r11, ror #19; \
str lr, [sp, #13*4]; \
eor r4, r4, r12, ror #19; \
#define salsa8_core() \
ldmia sp, {r0-r7}; \
ldr r12, [sp, #15*4]; \
ldr r8, [sp, #11*4]; \
ldr lr, [sp, #12*4]; \
ldr r9, [sp, #9*4]; \
add r8, r8, r12; \
ldr r11, [sp, #10*4]; \
add lr, lr, r0; \
eor r3, r3, r8, ror #25; \
add r8, r5, r1; \
ldr r10, [sp, #14*4]; \
eor r4, r4, lr, ror #25; \
add lr, r11, r6; \
eor r9, r9, r8, ror #25; \
eor r10, r10, lr, ror #25; \
salsa8_core_doubleround_body(); \
ldr r11, [sp, #10*4]; \
add r8, r9, r8; \
ldr r12, [sp, #15*4]; \
add lr, r10, lr; \
eor r11, r11, r8, ror #14; \
add r8, r3, r2; \
eor r12, r12, lr, ror #14; \
add lr, r4, r7; \
eor r0, r0, r8, ror #14; \
ldr r8, [sp, #11*4]; \
eor r5, r5, lr, ror #14; \
ldr lr, [sp, #12*4]; \
add r8, r8, r12; \
str r11, [sp, #10*4]; \
add lr, lr, r0; \
str r12, [sp, #15*4]; \
eor r3, r3, r8, ror #25; \
add r8, r5, r1; \
eor r4, r4, lr, ror #25; \
add lr, r11, r6; \
str r9, [sp, #9*4]; \
eor r9, r9, r8, ror #25; \
str r10, [sp, #14*4]; \
eor r10, r10, lr, ror #25; \
salsa8_core_doubleround_body(); \
ldr r11, [sp, #10*4]; \
add r8, r9, r8; \
ldr r12, [sp, #15*4]; \
add lr, r10, lr; \
eor r11, r11, r8, ror #14; \
add r8, r3, r2; \
eor r12, r12, lr, ror #14; \
add lr, r4, r7; \
eor r0, r0, r8, ror #14; \
ldr r8, [sp, #11*4]; \
eor r5, r5, lr, ror #14; \
ldr lr, [sp, #12*4]; \
add r8, r8, r12; \
str r11, [sp, #10*4]; \
add lr, lr, r0; \
str r12, [sp, #15*4]; \
eor r3, r3, r8, ror #25; \
add r8, r5, r1; \
eor r4, r4, lr, ror #25; \
add lr, r11, r6; \
str r9, [sp, #9*4]; \
eor r9, r9, r8, ror #25; \
str r10, [sp, #14*4]; \
eor r10, r10, lr, ror #25; \
salsa8_core_doubleround_body(); \
ldr r11, [sp, #10*4]; \
add r8, r9, r8; \
ldr r12, [sp, #15*4]; \
add lr, r10, lr; \
eor r11, r11, r8, ror #14; \
add r8, r3, r2; \
eor r12, r12, lr, ror #14; \
add lr, r4, r7; \
eor r0, r0, r8, ror #14; \
ldr r8, [sp, #11*4]; \
eor r5, r5, lr, ror #14; \
ldr lr, [sp, #12*4]; \
add r8, r8, r12; \
str r11, [sp, #10*4]; \
add lr, lr, r0; \
str r12, [sp, #15*4]; \
eor r3, r3, r8, ror #25; \
add r8, r5, r1; \
eor r4, r4, lr, ror #25; \
add lr, r11, r6; \
str r9, [sp, #9*4]; \
eor r9, r9, r8, ror #25; \
str r10, [sp, #14*4]; \
eor r10, r10, lr, ror #25; \
salsa8_core_doubleround_body(); \
ldr r11, [sp, #10*4]; \
add r8, r9, r8; \
ldr r12, [sp, #15*4]; \
add lr, r10, lr; \
str r9, [sp, #9*4]; \
eor r11, r11, r8, ror #14; \
eor r12, r12, lr, ror #14; \
add r8, r3, r2; \
str r10, [sp, #14*4]; \
add lr, r4, r7; \
str r11, [sp, #10*4]; \
eor r0, r0, r8, ror #14; \
str r12, [sp, #15*4]; \
eor r5, r5, lr, ror #14; \
stmia sp, {r0-r7}; \
#endif
#define scrypt_core_macro1a_x4() \
ldmia r0, {r4-r7}; \
ldmia lr!, {r8-r11}; \
stmia r1!, {r4-r7}; \
stmia r3!, {r8-r11}; \
eor r4, r4, r8; \
eor r5, r5, r9; \
eor r6, r6, r10; \
eor r7, r7, r11; \
stmia r0!, {r4-r7}; \
stmia r12!, {r4-r7}; \
#define scrypt_core_macro1b_x4() \
ldmia r3!, {r8-r11}; \
ldmia r2, {r4-r7}; \
eor r8, r8, r4; \
eor r9, r9, r5; \
eor r10, r10, r6; \
eor r11, r11, r7; \
ldmia r0, {r4-r7}; \
stmia r2!, {r8-r11}; \
eor r4, r4, r8; \
eor r5, r5, r9; \
eor r6, r6, r10; \
eor r7, r7, r11; \
ldmia r1!, {r8-r11}; \
eor r4, r4, r8; \
eor r5, r5, r9; \
eor r6, r6, r10; \
eor r7, r7, r11; \
stmia r0!, {r4-r7}; \
stmia r12!, {r4-r7}; \
#define scrypt_core_macro2_x4() \
ldmia r12, {r4-r7}; \
ldmia r0, {r8-r11}; \
add r4, r4, r8; \
add r5, r5, r9; \
add r6, r6, r10; \
add r7, r7, r11; \
stmia r0!, {r4-r7}; \
ldmia r2, {r8-r11}; \
eor r4, r4, r8; \
eor r5, r5, r9; \
eor r6, r6, r10; \
eor r7, r7, r11; \
stmia r2!, {r4-r7}; \
stmia r12!, {r4-r7}; \
#define scrypt_core_macro3_x4() \
ldmia r1!, {r4-r7}; \
ldmia r0, {r8-r11}; \
add r4, r4, r8; \
add r5, r5, r9; \
add r6, r6, r10; \
add r7, r7, r11; \
stmia r0!, {r4-r7}; \
#define scrypt_core_macro3_x6() \
ldmia r1!, {r2-r7}; \
ldmia r0, {r8-r12, lr}; \
add r2, r2, r8; \
add r3, r3, r9; \
add r4, r4, r10; \
add r5, r5, r11; \
add r6, r6, r12; \
add r7, r7, lr; \
stmia r0!, {r2-r7}; \
.text
.code 32
.align 2
.globl scrypt_core
.globl _scrypt_core
#ifdef __ELF__
.type scrypt_core, %function
#endif
scrypt_core:
_scrypt_core:
stmfd sp!, {r4-r11, lr}
mov r12, sp
sub sp, sp, #21*4
bic sp, sp, #63
str r12, [sp, #20*4]
scrypt_shuffle()
str r0, [sp, #16*4]
add r12, r1, #1024*32*4
str r12, [sp, #18*4]
scrypt_core_loop1:
add lr, r0, #16*4
add r3, r1, #16*4
mov r12, sp
scrypt_core_macro1a_x4()
scrypt_core_macro1a_x4()
scrypt_core_macro1a_x4()
scrypt_core_macro1a_x4()
str r1, [sp, #17*4]
salsa8_core()
ldr r0, [sp, #16*4]
mov r12, sp
add r2, r0, #16*4
scrypt_core_macro2_x4()
scrypt_core_macro2_x4()
scrypt_core_macro2_x4()
scrypt_core_macro2_x4()
salsa8_core()
ldr r0, [sp, #16*4]
mov r1, sp
add r0, r0, #16*4
scrypt_core_macro3_x6()
scrypt_core_macro3_x6()
ldr r3, [sp, #17*4]
ldr r12, [sp, #18*4]
scrypt_core_macro3_x4()
add r1, r3, #16*4
sub r0, r0, #32*4
cmp r1, r12
bne scrypt_core_loop1
ldr r4, [r0, #16*4]
sub r1, r1, #1024*32*4
str r1, [sp, #17*4]
mov r4, r4, lsl #32-10
mov r12, #1024
add r1, r1, r4, lsr #32-10-7
scrypt_core_loop2:
add r2, r0, #16*4
add r3, r1, #16*4
str r12, [sp, #18*4]
mov r12, sp
#ifdef __ARM_ARCH_5E_OR_6_OR_7__
pld [r1, #24*4]
pld [r1, #8*4]
#endif
scrypt_core_macro1b_x4()
scrypt_core_macro1b_x4()
scrypt_core_macro1b_x4()
scrypt_core_macro1b_x4()
salsa8_core()
ldr r0, [sp, #16*4]
mov r12, sp
add r2, r0, #16*4
scrypt_core_macro2_x4()
scrypt_core_macro2_x4()
scrypt_core_macro2_x4()
scrypt_core_macro2_x4()
salsa8_core()
ldr r0, [sp, #16*4]
mov r1, sp
ldr r3, [sp, #17*4]
add r0, r0, #16*4
scrypt_core_macro3_x4()
mov r4, r4, lsl #32-10
add r3, r3, r4, lsr #32-10-7
str r3, [sp, #19*4]
#ifdef __ARM_ARCH_5E_OR_6_OR_7__
pld [r3, #16*4]
pld [r3]
#endif
scrypt_core_macro3_x6()
scrypt_core_macro3_x6()
ldr r12, [sp, #18*4]
sub r0, r0, #32*4
ldr r1, [sp, #19*4]
subs r12, r12, #1
bne scrypt_core_loop2
scrypt_shuffle()
ldr sp, [sp, #20*4]
#ifdef __thumb__
ldmfd sp!, {r4-r11, lr}
bx lr
#else
ldmfd sp!, {r4-r11, pc}
#endif
#endif
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