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📄 avr4.mcs

📁 比较新的功能强大的rsa算法源代码,方便使用.
💻 MCS
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; Comba/KCM Macros for Atmel AVR
;
; Triple register is r8|r7|r6
;
; Must remember to clear r1 - compiler expects it!
;
; *** Must use -fno-inline for mrkcm.c module
;
; See makemcs.txt for more information about this file
; 
; Hybrid x4 step
;
; "Triple" register is now r22||r15|r14|r13|r12||r11|r10|r9|r8||
; registers r16 to r21 are employed as "carry catchers"
;

MACRO PMUL_START
  ASM (  
  "PUSH r26\n"
  "PUSH r27\n"
  "PUSH r28\n"
  "PUSH r29\n"
  "MOVW r28,%%0\n"
  "MOV r6,%%3\n"
  "CLR r8\n"
  "CLR r7\n"
ENDM

MACRO PMUL
  "LDD r0,Y+%d\n"
  "MUL r0,r6\n"
  "ADD r0,r8\n"
  "ADC r1,r7\n"
  "MOV r8,r1\n"
  "STD %%a1+%d,r7\n"
  "ST  %%a2+,r0  ;%d \n"
ENDM

MACRO PMUL_END
  "MUL r6,r8\n"
  "ST  %%a1,r0\n"
  "STD %%a1+1,r1\n"
  "CLR r1\n"
  "POP r29\n"
  "POP r28\n"
  "POP r27\n"
  "POP r26\n"
  :
  :"w"(a),"z"(b),"x"(c),"r"(sn)
  :"r6","r7","r8","memory"  
  );
ENDM

MACRO H4_MUL_START
  ASM (
  "PUSH r26\n"
  "PUSH r27\n"
  "PUSH r28\n"
  "PUSH r29\n"
  "MOVW r28,%%0\n"
  "CLR r2\n"
  "CLR r3\n"
  "CLR r7\n"
  "CLR r22\n"
  "MOVW r8,r2\n"
  "MOVW r10,r2\n"
  "MOVW r12,r2\n"
  "MOVW r14,r2\n"
  "MOVW r16,r2\n"
  "MOVW r18,r2\n"
  "MOVW r20,r2\n"
ENDM
MACRO H4_STEP
    "LDD r2,Y+%d\n"
    "LDD r3,Y+%d+1\n"
    "LDD r4,Y+%d+2\n"
    "LDD r5,Y+%d+3\n"
    "LDD r6,%%a1+%d\n"
    "MUL r6,r2\n"
    "ADD r8,r0\n"
    "ADC r9,r1\n"
    "ADC r16,r7\n"
    "MUL r6,r3\n"
    "ADD r9,r0\n"
    "ADC r10,r1\n"
    "ADC r17,r7\n"
    "MUL r6,r4\n"
    "ADD r10,r0\n"
    "ADC r11,r1\n"
    "ADC r18,r7\n"
    "MUL r6,r5\n"
    "ADD r11,r0\n"
    "ADC r12,r1\n"
    "ADC r19,r7\n"
    "LDD r6,%%a1+%d+1\n"
    "MUL r6,r2\n"
    "ADD r9,r0\n"
    "ADC r10,r1\n"
    "ADC r17,r7\n"
    "MUL r6,r3\n"
    "ADD r10,r0\n"
    "ADC r11,r1\n"
    "ADC r18,r7\n"
    "MUL r6,r4\n"
    "ADD r11,r0\n"
    "ADC r12,r1\n"
    "ADC r19,r7\n"
    "MUL r6,r5\n"
    "ADD r12,r0\n"
    "ADC r13,r1\n"
    "ADC r20,r7\n"
    "LDD r6,%%a1+%d+2\n"
    "MUL r6,r2\n"
    "ADD r10,r0\n"
    "ADC r11,r1\n"
    "ADC r18,r7\n"
    "MUL r6,r3\n"
    "ADD r11,r0\n"
    "ADC r12,r1\n"
    "ADC r19,r7\n"
    "MUL r6,r4\n"
    "ADD r12,r0\n"
    "ADC r13,r1\n"
    "ADC r20,r7\n"
    "MUL r6,r5\n"
    "ADD r13,r0\n"
    "ADC r14,r1\n"
    "ADC r21,r7\n"
    "LDD r6,%%a1+%d+3\n"
    "MUL r6,r2\n"
    "ADD r11,r0\n"
    "ADC r12,r1\n"
    "ADC r19,r7\n"
    "MUL r6,r3\n"
    "ADD r12,r0\n"
    "ADC r13,r1\n"
    "ADC r20,r7\n"
    "MUL r6,r4\n"
    "ADD r13,r0\n"
    "ADC r14,r1\n"
    "ADC r21,r7\n"
    "MUL r6,r5\n"
    "ADD r14,r0\n"
    "ADC r15,r1\n"
    "ADC r22,r7\n"
ENDM
MACRO H4_LAST
    "LDD r2,Y+%d\n"
    "LDD r3,Y+%d+1\n"
    "LDD r4,Y+%d+2\n"
    "LDD r5,Y+%d+3\n"
    "LDD r6,%%a1+%d\n"
    "MUL r6,r2\n"
    "ADD r8,r0\n"
    "ADC r9,r1\n"
    "ADC r16,r7\n"
    "MUL r6,r3\n"
    "ADD r9,r0\n"
    "ADC r10,r1\n"
    "ADC r17,r7\n"
    "MUL r6,r4\n"
    "ADD r10,r0\n"
    "ADC r11,r1\n"
    "MUL r6,r5\n"
    "ADD r11,r0\n"
    "LDD r6,%%a1+%d+1\n"
    "MUL r6,r2\n"
    "ADD r9,r0\n"
    "ADC r10,r1\n"
    "ADC r17,r7\n"
    "MUL r6,r3\n"
    "ADD r10,r0\n"
    "ADC r11,r1\n"
    "MUL r6,r4\n"
    "ADD r11,r0\n"
    "LDD r6,%%a1+%d+2\n"
    "MUL r6,r2\n"
    "ADD r10,r0\n"
    "ADC r11,r1\n"
    "MUL r6,r3\n"
    "ADD r11,r0\n"
    "LDD r6,%%a1+%d+3\n"
    "MUL r6,r2\n"
    "ADD r11,r0\n"
ENDM
MACRO H4_MFIN
    "ADD r10,r16\n"
    "ADC r11,r17\n"
    "ADC r12,r18\n"
    "ADC r13,r19\n"
    "ADC r14,r20\n"
    "ADC r15,r21\n"
    "ADC r22,r7\n"
    "ST %%a2+,r8 ;%d \n"
    "ST %%a2+,r9 ;%d \n"
    "ST %%a2+,r10 ;%d \n"
    "ST %%a2+,r11 ;%d \n"
    "MOVW r8,r12\n"
    "MOVW r10,r14\n"
    "MOV r12,r22\n"
    "CLR r13\n"
    "CLR r2\n"
    "CLR r3\n"
    "MOVW r14,r2\n"
    "MOVW r16,r2\n"
    "MOVW r18,r2\n"
    "MOVW r20,r2\n"
    "CLR r22\n"
ENDM
MACRO H4_MUL_END
  "ADD r10,r16\n"
  "ADC r11,r17\n"
  "ST %%a2+,r8 ;%d \n"
  "ST %%a2+,r9 ;%d \n"
  "ST %%a2+,r10 ;%d \n"
  "ST %%a2,r11 ;%d \n"
  "CLR r1\n"
  "POP r29\n"
  "POP r28\n"
  "POP r27\n"
  "POP r26\n"
  :
  :"w"(a),"z"(b),"x"(c)
  :"r2","r3","r4","r5","r6","r7","r8","r9","r10","r11","r12","r13","r14","r15","r16","r17","r18","r19","r20","r21","r22","memory"  
  );
ENDM
MACRO H4_SQR_START
  ASM (
  "PUSH r26\n"
  "PUSH r27\n"
  "CLR r24\n"
  "CLR r25\n"
  "CLR r22\n"
  "MOVW r8,r24\n"
  "MOVW r10,r24\n"
  "MOVW r12,r24\n"
  "MOVW r14,r24\n"
  "MOVW r16,r24\n"
  "MOVW r18,r24\n"
  "MOVW r20,r24\n"
ENDM
MACRO H4_DSTEP
  "LDD r2,%%a0+%d\n"
  "LDD r3,%%a0+%d+1\n" 
  "LDD r4,%%a0+%d+2\n"
  "LDD r5,%%a0+%d+3\n"
  "LDD r6,%%a0+%d\n"
    "MUL r6,r2\n"
    "ADD r8,r0\n"
    "ADC r9,r1\n"
    "ADC r16,r25\n"
    "ADD r8,r0\n"
    "ADC r9,r1\n"
    "ADC r16,r25\n"
    "MUL r6,r3\n"
    "ADD r9,r0\n"
    "ADC r10,r1\n"
    "ADC r17,r25\n"
    "ADD r9,r0\n"
    "ADC r10,r1\n"
    "ADC r17,r25\n"
    "MUL r6,r4\n"
    "ADD r10,r0\n"
    "ADC r11,r1\n"
    "ADC r18,r25\n"
    "ADD r10,r0\n"
    "ADC r11,r1\n"
    "ADC r18,r25\n"
    "MUL r6,r5\n"
    "ADD r11,r0\n"
    "ADC r12,r1\n"
    "ADC r19,r25\n"
    "ADD r11,r0\n"
    "ADC r12,r1\n"
    "ADC r19,r25\n"
    "LDD r6,%%a0+%d+1\n"
    "MUL r6,r2\n"
    "ADD r9,r0\n"
    "ADC r10,r1\n"
    "ADC r17,r25\n"
    "ADD r9,r0\n"
    "ADC r10,r1\n"
    "ADC r17,r25\n"
    "MUL r6,r3\n"
    "ADD r10,r0\n"
    "ADC r11,r1\n"
    "ADC r18,r25\n"
    "ADD r10,r0\n"
    "ADC r11,r1\n"
    "ADC r18,r25\n"
    "MUL r6,r4\n"
    "ADD r11,r0\n"
    "ADC r12,r1\n"
    "ADC r19,r25\n"
    "ADD r11,r0\n"
    "ADC r12,r1\n"
    "ADC r19,r25\n"
    "MUL r6,r5\n"
    "ADD r12,r0\n"
    "ADC r13,r1\n"
    "ADC r20,r25\n"
    "ADD r12,r0\n"
    "ADC r13,r1\n"
    "ADC r20,r25\n"
    "LDD r6,%%a0+%d+2\n"
    "MUL r6,r2\n"
    "ADD r10,r0\n"
    "ADC r11,r1\n"
    "ADC r18,r25\n"
    "ADD r10,r0\n"
    "ADC r11,r1\n"
    "ADC r18,r25\n"
    "MUL r6,r3\n"
    "ADD r11,r0\n"
    "ADC r12,r1\n"
    "ADC r19,r25\n"
    "ADD r11,r0\n"
    "ADC r12,r1\n"
    "ADC r19,r25\n"
    "MUL r6,r4\n"
    "ADD r12,r0\n"
    "ADC r13,r1\n"
    "ADC r20,r25\n"
    "ADD r12,r0\n"
    "ADC r13,r1\n"
    "ADC r20,r25\n"
    "MUL r6,r5\n"
    "ADD r13,r0\n"
    "ADC r14,r1\n"
    "ADC r21,r25\n"
    "ADD r13,r0\n"
    "ADC r14,r1\n"
    "ADC r21,r25\n"
    "LDD r6,%%a0+%d+3\n"
    "MUL r6,r2\n"
    "ADD r11,r0\n"
    "ADC r12,r1\n"
    "ADC r19,r25\n"
    "ADD r11,r0\n"
    "ADC r12,r1\n"
    "ADC r19,r25\n"
    "MUL r6,r3\n"
    "ADD r12,r0\n"
    "ADC r13,r1\n"
    "ADC r20,r25\n"
    "ADD r12,r0\n"
    "ADC r13,r1\n"
    "ADC r20,r25\n"
    "MUL r6,r4\n"
    "ADD r13,r0\n"
    "ADC r14,r1\n"
    "ADC r21,r25\n"
    "ADD r13,r0\n"
    "ADC r14,r1\n"
    "ADC r21,r25\n"
    "MUL r6,r5\n"
    "ADD r14,r0\n"
    "ADC r15,r1\n"
    "ADC r22,r25\n"
    "ADD r14,r0\n"
    "ADC r15,r1\n"
    "ADC r22,r25\n"
ENDM
MACRO H4_SELF
  "LDD r2,%%a0+%d\n"
  "LDD r3,%%a0+%d+1\n"
  "LDD r4,%%a0+%d+2\n"
  "LDD r5,%%a0+%d+3\n"
  "MUL r2,r2\n"
  "ADD r8,r0\n"
  "ADC r9,r1\n"
  "ADC r16,r25\n"
  "MUL r2,r3\n"
  "ADD r9,r0\n"
  "ADC r10,r1\n"
  "ADC r17,r25\n"
  "ADD r9,r0\n"
  "ADC r10,r1\n"
  "ADC r17,r25\n"
  "MUL r2,r4\n"
  "ADD r10,r0\n"
  "ADC r11,r1\n"
  "ADC r18,r25\n"
  "ADD r10,r0\n"
  "ADC r11,r1\n"
  "ADC r18,r25\n"
  "MUL r2,r5\n"
  "ADD r11,r0\n"
  "ADC r12,r1\n"
  "ADC r19,r25\n"
  "ADD r11,r0\n"
  "ADC r12,r1\n"
  "ADC r19,r25\n"
  "MUL r3,r3\n"
  "ADD r10,r0\n"
  "ADC r11,r1\n"
  "ADC r18,r25\n"
  "MUL r3,r4\n"
  "ADD r11,r0\n"
  "ADC r12,r1\n"
  "ADC r19,r25\n"
  "ADD r11,r0\n"
  "ADC r12,r1\n"
  "ADC r19,r25\n"
  "MUL r3,r5\n"
  "ADD r12,r0\n"
  "ADC r13,r1\n"
  "ADC r20,r25\n"
  "ADD r12,r0\n"
  "ADC r13,r1\n"
  "ADC r20,r25\n"
  "MUL r4,r4\n"
  "ADD r12,r0\n"
  "ADC r13,r1\n"
  "ADC r20,r25\n"
  "MUL r4,r5\n"
  "ADD r13,r0\n"
  "ADC r14,r1\n"
  "ADC r21,r25\n"
  "ADD r13,r0\n"
  "ADC r14,r1\n"
  "ADC r21,r25\n"
  "MUL r5,r5\n"
  "ADD r14,r0\n"
  "ADC r15,r1\n"
  "ADC r22,r25\n"
ENDM
MACRO H4_SFIN
  "ADD r10,r16\n"
  "ADC r11,r17\n"
  "ADC r12,r18\n"
  "ADC r13,r19\n"
  "ADC r14,r20\n"
  "ADC r15,r21\n"
  "ADC r22,r25\n"
  "ST %%a1+,r8 ;%d \n"
  "ST %%a1+,r9 ;%d \n"  
  "ST %%a1+,r10 ;%d \n"
  "ST %%a1+,r11 ;%d \n"  
  "MOVW r8,r12\n"
  "MOVW r10,r14\n"
  "MOV r12,r22\n"
  "CLR r13\n"
  "MOVW r14,r24\n"
  "MOVW r16,r24\n"
  "MOVW r18,r24\n"
  "MOVW r20,r24\n"
  "CLR r22\n"
ENDM
MACRO H4_SQR_END
  "ADD r10,r16\n"
  "ADC r11,r17\n"
  "ST %%a1+,r8  ;%d \n" 
  "ST %%a1+,r9  ;%d \n" 
  "ST %%a1+,r10  ;%d \n" 
  "ST %%a1+,r11  ;%d \n" 
  "CLR r1\n"
  "POP r27\n"
  "POP r26\n"
  :
  :"z"(a),"x"(c)
  :"r2","r3","r4","r5","r6","r8","r9","r10","r11","r12","r13","r14","r15","r16","r17","r18","r19","r20","r21","r22","r24","r25","memory"  
  );
ENDM

MACRO MUL_START
  ASM (
  "PUSH r26\n"
  "PUSH r27\n"
  "PUSH r28\n"
  "PUSH r29\n"
  "MOVW r28,%%0\n"
  "CLR r8\n"
  "CLR r7\n"
  "CLR r6\n"
  "CLR r5\n"
12

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