393 lines
7 KiB
ArmAsm
393 lines
7 KiB
ArmAsm
/*
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* Copyright 2012 pooler@litecoinpool.org
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version. See COPYING for more details.
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*/
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#include "cpuminer-config.h"
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#if defined(__arm__) && defined(__APCS_32__)
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.macro salsa8_core_doubleround_body
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ldr r8, [sp, #8*4]
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add r11, r11, r10
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ldr lr, [sp, #13*4]
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add r12, r12, r3
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eor r2, r2, r11, ror #23
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add r11, r4, r0
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eor r7, r7, r12, ror #23
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add r12, r9, r5
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str r9, [sp, #9*4]
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eor r8, r8, r11, ror #23
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str r10, [sp, #14*4]
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eor lr, lr, r12, ror #23
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ldr r11, [sp, #11*4]
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add r9, lr, r9
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ldr r12, [sp, #12*4]
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add r10, r2, r10
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eor r1, r1, r9, ror #19
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add r9, r7, r3
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eor r6, r6, r10, ror #19
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add r10, r8, r4
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str r8, [sp, #8*4]
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eor r11, r11, r9, ror #19
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str lr, [sp, #13*4]
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eor r12, r12, r10, ror #19
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ldr r9, [sp, #10*4]
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add r8, r12, r8
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ldr r10, [sp, #15*4]
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add lr, r1, lr
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eor r0, r0, r8, ror #14
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add r8, r6, r2
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eor r5, r5, lr, ror #14
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add lr, r11, r7
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eor r9, r9, r8, ror #14
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ldr r8, [sp, #9*4]
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eor r10, r10, lr, ror #14
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ldr lr, [sp, #14*4]
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add r8, r9, r8
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str r9, [sp, #10*4]
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add lr, r10, lr
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str r10, [sp, #15*4]
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eor r11, r11, r8, ror #25
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add r8, r0, r3
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eor r12, r12, lr, ror #25
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add lr, r5, r4
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eor r1, r1, r8, ror #25
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ldr r8, [sp, #8*4]
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eor r6, r6, lr, ror #25
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add r9, r11, r9
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ldr lr, [sp, #13*4]
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add r10, r12, r10
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eor r8, r8, r9, ror #23
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add r9, r1, r0
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eor lr, lr, r10, ror #23
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add r10, r6, r5
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str r11, [sp, #11*4]
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eor r2, r2, r9, ror #23
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str r12, [sp, #12*4]
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eor r7, r7, r10, ror #23
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ldr r9, [sp, #9*4]
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add r11, r8, r11
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ldr r10, [sp, #14*4]
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add r12, lr, r12
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eor r9, r9, r11, ror #19
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add r11, r2, r1
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eor r10, r10, r12, ror #19
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add r12, r7, r6
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str r8, [sp, #8*4]
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eor r3, r3, r11, ror #19
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str lr, [sp, #13*4]
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eor r4, r4, r12, ror #19
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.endm
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.macro salsa8_core
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ldmia sp, {r0-r7}
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ldr r12, [sp, #15*4]
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ldr r8, [sp, #11*4]
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ldr lr, [sp, #12*4]
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ldr r9, [sp, #9*4]
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add r8, r8, r12
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ldr r11, [sp, #10*4]
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add lr, lr, r0
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eor r3, r3, r8, ror #25
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add r8, r5, r1
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ldr r10, [sp, #14*4]
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eor r4, r4, lr, ror #25
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add lr, r11, r6
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eor r9, r9, r8, ror #25
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eor r10, r10, lr, ror #25
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salsa8_core_doubleround_body
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ldr r11, [sp, #10*4]
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add r8, r9, r8
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ldr r12, [sp, #15*4]
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add lr, r10, lr
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eor r11, r11, r8, ror #14
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str r9, [sp, #9*4]
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eor r12, r12, lr, ror #14
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add r8, r3, r2
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add lr, r4, r7
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str r10, [sp, #14*4]
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eor r0, r0, r8, ror #14
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ldr r8, [sp, #11*4]
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eor r5, r5, lr, ror #14
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ldr lr, [sp, #12*4]
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add r8, r8, r12
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str r11, [sp, #10*4]
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add lr, lr, r0
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str r12, [sp, #15*4]
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eor r3, r3, r8, ror #25
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add r8, r5, r1
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eor r4, r4, lr, ror #25
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add lr, r11, r6
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eor r9, r9, r8, ror #25
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eor r10, r10, lr, ror #25
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salsa8_core_doubleround_body
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ldr r11, [sp, #10*4]
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add r8, r9, r8
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ldr r12, [sp, #15*4]
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add lr, r10, lr
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eor r11, r11, r8, ror #14
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str r9, [sp, #9*4]
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eor r12, r12, lr, ror #14
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add r8, r3, r2
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add lr, r4, r7
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str r10, [sp, #14*4]
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eor r0, r0, r8, ror #14
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ldr r8, [sp, #11*4]
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eor r5, r5, lr, ror #14
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ldr lr, [sp, #12*4]
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add r8, r8, r12
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str r11, [sp, #10*4]
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add lr, lr, r0
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str r12, [sp, #15*4]
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eor r3, r3, r8, ror #25
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add r8, r5, r1
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eor r4, r4, lr, ror #25
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add lr, r11, r6
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eor r9, r9, r8, ror #25
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eor r10, r10, lr, ror #25
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salsa8_core_doubleround_body
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ldr r11, [sp, #10*4]
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add r8, r9, r8
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ldr r12, [sp, #15*4]
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add lr, r10, lr
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eor r11, r11, r8, ror #14
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str r9, [sp, #9*4]
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eor r12, r12, lr, ror #14
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add r8, r3, r2
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add lr, r4, r7
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str r10, [sp, #14*4]
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eor r0, r0, r8, ror #14
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ldr r8, [sp, #11*4]
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eor r5, r5, lr, ror #14
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ldr lr, [sp, #12*4]
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add r8, r8, r12
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str r11, [sp, #10*4]
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add lr, lr, r0
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str r12, [sp, #15*4]
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eor r3, r3, r8, ror #25
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add r8, r5, r1
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eor r4, r4, lr, ror #25
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add lr, r11, r6
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eor r9, r9, r8, ror #25
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eor r10, r10, lr, ror #25
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salsa8_core_doubleround_body
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ldr r11, [sp, #10*4]
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add r8, r9, r8
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ldr r12, [sp, #15*4]
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add lr, r10, lr
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str r9, [sp, #9*4]
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eor r11, r11, r8, ror #14
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eor r12, r12, lr, ror #14
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add r8, r3, r2
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str r10, [sp, #14*4]
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add lr, r4, r7
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str r11, [sp, #10*4]
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eor r0, r0, r8, ror #14
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str r12, [sp, #15*4]
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eor r5, r5, lr, ror #14
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stmia sp, {r0-r7}
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.endm
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.macro scrypt_core_macro1a_x4
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ldmia r0, {r4-r7}
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ldmia lr!, {r8-r11}
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stmia r1!, {r4-r7}
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stmia r3!, {r8-r11}
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eor r4, r4, r8
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eor r5, r5, r9
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eor r6, r6, r10
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eor r7, r7, r11
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stmia r0!, {r4-r7}
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stmia r12!, {r4-r7}
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.endm
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.macro scrypt_core_macro1b_x4
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ldmia r3!, {r8-r11}
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ldmia r2, {r4-r7}
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eor r8, r8, r4
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eor r9, r9, r5
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eor r10, r10, r6
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eor r11, r11, r7
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ldmia r0, {r4-r7}
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stmia r2!, {r8-r11}
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eor r4, r4, r8
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eor r5, r5, r9
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eor r6, r6, r10
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eor r7, r7, r11
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ldmia r1!, {r8-r11}
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eor r4, r4, r8
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eor r5, r5, r9
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eor r6, r6, r10
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eor r7, r7, r11
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stmia r0!, {r4-r7}
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stmia r12!, {r4-r7}
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.endm
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.macro scrypt_core_macro2_x4
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ldmia r12, {r4-r7}
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ldmia r0, {r8-r11}
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add r4, r4, r8
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add r5, r5, r9
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add r6, r6, r10
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add r7, r7, r11
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stmia r0!, {r4-r7}
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ldmia r2, {r8-r11}
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eor r4, r4, r8
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eor r5, r5, r9
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eor r6, r6, r10
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eor r7, r7, r11
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stmia r2!, {r4-r7}
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stmia r12!, {r4-r7}
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.endm
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.macro scrypt_core_macro3_x4
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ldmia r1!, {r4-r7}
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ldmia r0, {r8-r11}
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add r4, r4, r8
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add r5, r5, r9
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add r6, r6, r10
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add r7, r7, r11
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stmia r0!, {r4-r7}
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.endm
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.macro scrypt_core_macro3_x6
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ldmia r1!, {r2-r7}
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ldmia r0, {r8-r12, lr}
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add r2, r2, r8
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add r3, r3, r9
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add r4, r4, r10
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add r5, r5, r11
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add r6, r6, r12
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add r7, r7, lr
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stmia r0!, {r2-r7}
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.endm
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.text
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.code 32
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.align 2
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.globl scrypt_core
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.globl _scrypt_core
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scrypt_core:
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_scrypt_core:
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stmfd sp!, {r4-r11, lr}
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sub sp, sp, #20*4
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str r0, [sp, #16*4]
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add r12, r1, #1024*32*4
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str r12, [sp, #18*4]
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scrypt_core_loop1:
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add lr, r0, #16*4
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add r3, r1, #16*4
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mov r12, sp
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scrypt_core_macro1a_x4
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scrypt_core_macro1a_x4
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scrypt_core_macro1a_x4
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scrypt_core_macro1a_x4
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str r1, [sp, #17*4]
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salsa8_core
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ldr r0, [sp, #16*4]
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mov r12, sp
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add r2, r0, #16*4
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scrypt_core_macro2_x4
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scrypt_core_macro2_x4
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scrypt_core_macro2_x4
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scrypt_core_macro2_x4
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salsa8_core
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ldr r0, [sp, #16*4]
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mov r1, sp
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add r0, r0, #16*4
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scrypt_core_macro3_x6
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scrypt_core_macro3_x6
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ldr r3, [sp, #17*4]
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ldr r12, [sp, #18*4]
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scrypt_core_macro3_x4
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add r1, r3, #16*4
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sub r0, r0, #32*4
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cmp r1, r12
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bne scrypt_core_loop1
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sub r1, r1, #1024*32*4
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str r1, [sp, #17*4]
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mov r12, #1024
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scrypt_core_loop2:
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str r12, [sp, #18*4]
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ldr r4, [r0, #16*4]
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mov r4, r4, lsl #32-10
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add r1, r1, r4, lsr #32-10-7
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add r2, r0, #16*4
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add r3, r1, #16*4
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mov r12, sp
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scrypt_core_macro1b_x4
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scrypt_core_macro1b_x4
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scrypt_core_macro1b_x4
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scrypt_core_macro1b_x4
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salsa8_core
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ldr r0, [sp, #16*4]
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mov r12, sp
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add r2, r0, #16*4
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scrypt_core_macro2_x4
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scrypt_core_macro2_x4
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scrypt_core_macro2_x4
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scrypt_core_macro2_x4
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salsa8_core
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ldr r0, [sp, #16*4]
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mov r1, sp
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add r0, r0, #16*4
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scrypt_core_macro3_x6
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scrypt_core_macro3_x6
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scrypt_core_macro3_x4
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ldr r12, [sp, #18*4]
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sub r0, r0, #32*4
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ldr r1, [sp, #17*4]
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subs r12, r12, #1
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bne scrypt_core_loop2
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add sp, sp, #20*4
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#ifdef __thumb__
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ldmfd sp!, {r4-r11, lr}
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bx lr
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#else
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ldmfd sp!, {r4-r11, pc}
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#endif
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#endif
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