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microprocessors-and-peripherals-2021
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Improvements after workshop 1

develop
Apostolos Fanakis 4 years ago
parent
0ab6862e37
commit
83f6fb2ddc
5 changed files with 23 additions and 992 deletions
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  1. 119
      workshop-1/Listings/hash_function.txt
  2. 608
      workshop-1/Listings/retarget_io.txt
  3. 239
      workshop-1/Listings/system_stm32f4xx.txt
  4. 5
      workshop-1/hash.uvprojx
  5. 44
      workshop-1/hash_function.c

119
workshop-1/Listings/hash_function.txt
View File

@ -1,119 +0,0 @@
; generated by Component: ARM Compiler 5.06 update 7 (build 960) Tool: ArmCC [4d365d]
; commandline ArmCC [--list --split_sections --debug -c --asm --interleave -o.\objects\hash_function.o --asm_dir=.\Listings\ --list_dir=.\Listings\ --depend=.\objects\hash_function.d --cpu=Cortex-M4.fp.sp --apcs=interwork -O0 --diag_suppress=9931 -I.\RTE\_Target_1 -IC:\Users\User\AppData\Local\Arm\Packs\ARM\CMSIS\5.7.0\CMSIS\Core\Include -IC:\Users\User\AppData\Local\Arm\Packs\Keil\STM32F4xx_DFP\2.15.0\Drivers\CMSIS\Device\ST\STM32F4xx\Include -D__UVISION_VERSION=534 -D_RTE_ -DSTM32F401xE -D_RTE_ --omf_browse=.\objects\hash_function.crf hash_function.c]
THUMB
AREA ||i.main||, CODE, READONLY, ALIGN=2
REQUIRE _printf_percent
REQUIRE _printf_d
REQUIRE _printf_int_dec
main PROC
;;;45
;;;46 int main(void)
000000 b510 PUSH {r4,lr}
;;;47 {
;;;48 static char STRING_TO_HASH[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!!@#$%*&";
;;;49 int hash = 0;
000002 2400 MOVS r4,#0
;;;50
;;;51 hash = generate_hash(STRING_TO_HASH, hashtbl);
000004 4905 LDR r1,|L1.28|
000006 4806 LDR r0,|L1.32|
000008 f7fffffe BL generate_hash
00000c 4604 MOV r4,r0
;;;52 printf("%d", hash);
00000e 4621 MOV r1,r4
000010 a004 ADR r0,|L1.36|
000012 f7fffffe BL __2printf
;;;53
;;;54 return 0;
000016 2000 MOVS r0,#0
;;;55 }
000018 bd10 POP {r4,pc}
ENDP
00001a 0000 DCW 0x0000
|L1.28|
DCD |symbol_number.8|
|L1.32|
DCD STRING_TO_HASH
|L1.36|
000024 256400 DCB "%d",0
000027 00 DCB 0
AREA ||.constdata||, DATA, READONLY, ALIGN=0
|symbol_number.8|
000000 120b0a15 DCB 0x12,0x0b,0x0a,0x15
000004 07050916 DCB 0x07,0x05,0x09,0x16
000008 11020c03 DCB 0x11,0x02,0x0c,0x03
00000c 13010e10 DCB 0x13,0x01,0x0e,0x10
000010 14081704 DCB 0x14,0x08,0x17,0x04
000014 1a0f0618 DCB 0x1a,0x0f,0x06,0x18
000018 0d19 DCB 0x0d,0x19
AREA ||.data||, DATA, ALIGN=0
STRING_TO_HASH
000000 41424344 DCB 0x41,0x42,0x43,0x44
000004 45464748 DCB 0x45,0x46,0x47,0x48
000008 494a4b4c DCB 0x49,0x4a,0x4b,0x4c
00000c 4d4e4f50 DCB 0x4d,0x4e,0x4f,0x50
000010 51525354 DCB 0x51,0x52,0x53,0x54
000014 55565758 DCB 0x55,0x56,0x57,0x58
000018 595a3031 DCB 0x59,0x5a,0x30,0x31
00001c 32333435 DCB 0x32,0x33,0x34,0x35
000020 36373839 DCB 0x36,0x37,0x38,0x39
000024 21214023 DCB 0x21,0x21,0x40,0x23
000028 24252a26 DCB 0x24,0x25,0x2a,0x26
00002c 00 DCB 0x00
;*** Start embedded assembler ***
#line 1 "hash_function.c"
AREA ||.emb_text||, CODE
THUMB
EXPORT |generate_hash|
#line 8
|generate_hash| PROC
#line 9
input_str RN r0
hashtbl RN r1
curr_char RN r2
hash_val RN r3
MOV hash_val, #0
hash_loop
LDRB curr_char, [input_str]
CMP curr_char, #48
BLS hash_skip
CMP curr_char, #57
SUBLS hash_val, curr_char
ADDLS hash_val, #48
BLS hash_skip
CMP curr_char, #65 - 1
BLS hash_skip
CMP curr_char, #90
BHI hash_skip
SUB r4, curr_char, #65
ADD r4, hashtbl, r4
LDRB r5, [r4]
ADD hash_val, r5
hash_skip
ADDS input_str, input_str, #1
CMP curr_char, #0
BNE hash_loop
MOVEQ r0, hash_val
BX lr
ENDP
;*** End embedded assembler ***
__ARM_use_no_argv EQU 0

608
workshop-1/Listings/retarget_io.txt
View File

@ -1,608 +0,0 @@
; generated by Component: ARM Compiler 5.06 update 7 (build 960) Tool: ArmCC [4d365d]
; commandline ArmCC [--list --split_sections --debug -c --asm --interleave -o.\objects\retarget_io.o --asm_dir=.\Listings\ --list_dir=.\Listings\ --depend=.\objects\retarget_io.d --cpu=Cortex-M4.fp.sp --apcs=interwork -O0 --diag_suppress=9931 -I.\RTE\_Target_1 -IC:\Users\User\AppData\Local\Arm\Packs\ARM\CMSIS\5.7.0\CMSIS\Core\Include -IC:\Users\User\AppData\Local\Arm\Packs\Keil\STM32F4xx_DFP\2.15.0\Drivers\CMSIS\Device\ST\STM32F4xx\Include -D__UVISION_VERSION=534 -D_RTE_ -DSTM32F401xE -D_RTE_ --omf_browse=.\objects\retarget_io.crf C:\Users\User\AppData\Local\Arm\Packs\Keil\ARM_Compiler\1.6.3\Source\retarget_io.c]
THUMB
AREA ||i.ITM_ReceiveChar||, CODE, READONLY, ALIGN=2
ITM_ReceiveChar PROC
;;;113 int32_t ITM_ReceiveChar (void);
;;;114 int32_t ITM_ReceiveChar (void) {
000000 f04f30ff MOV r0,#0xffffffff
;;;115 int32_t ch = -1; /* no character available */
;;;116
;;;117 if (ITM_RxBuffer != ITM_RXBUFFER_EMPTY) {
000004 4905 LDR r1,|L1.28|
000006 6809 LDR r1,[r1,#0] ; ITM_RxBuffer
000008 4a05 LDR r2,|L1.32|
00000a 4291 CMP r1,r2
00000c d004 BEQ |L1.24|
;;;118 ch = ITM_RxBuffer;
00000e 4903 LDR r1,|L1.28|
000010 6808 LDR r0,[r1,#0] ; ITM_RxBuffer
;;;119 ITM_RxBuffer = ITM_RXBUFFER_EMPTY; /* ready for next character */
000012 4611 MOV r1,r2
000014 4a01 LDR r2,|L1.28|
000016 6011 STR r1,[r2,#0] ; ITM_RxBuffer
|L1.24|
;;;120 }
;;;121
;;;122 return (ch);
;;;123 }
000018 4770 BX lr
;;;124
ENDP
00001a 0000 DCW 0x0000
|L1.28|
DCD ITM_RxBuffer
|L1.32|
DCD 0x5aa55aa5
AREA ||i.ITM_SendChar||, CODE, READONLY, ALIGN=2
ITM_SendChar PROC
;;;95 int32_t ITM_SendChar (int32_t ch);
;;;96 int32_t ITM_SendChar (int32_t ch) {
000000 490a LDR r1,|L2.44|
;;;97 if ((ITM_TCR & ITM_TCR_ITMENA_Msk) && /* ITM enabled */
000002 6809 LDR r1,[r1,#0]
000004 f0010101 AND r1,r1,#1
000008 b171 CBZ r1,|L2.40|
;;;98 (ITM_TER & (1UL << 0) )) { /* ITM Port #0 enabled */
00000a 4908 LDR r1,|L2.44|
00000c 3980 SUBS r1,r1,#0x80
00000e 6809 LDR r1,[r1,#0]
000010 f0010101 AND r1,r1,#1
000014 b141 CBZ r1,|L2.40|
;;;99 while (ITM_PORT0_U32 == 0);
000016 bf00 NOP
|L2.24|
000018 f04f4160 MOV r1,#0xe0000000
00001c 6809 LDR r1,[r1,#0]
00001e 2900 CMP r1,#0
000020 d0fa BEQ |L2.24|
;;;100 ITM_PORT0_U8 = (uint8_t)ch;
000022 f04f4260 MOV r2,#0xe0000000
000026 7010 STRB r0,[r2,#0]
|L2.40|
;;;101 }
;;;102 return (ch);
;;;103 }
000028 4770 BX lr
;;;104
ENDP
00002a 0000 DCW 0x0000
|L2.44|
DCD 0xe0000e80
AREA ||i._sys_close||, CODE, READONLY, ALIGN=1
_sys_close PROC
;;;458 __attribute__((weak))
;;;459 int _sys_close (FILEHANDLE fh) {
000000 4601 MOV r1,r0
;;;460
;;;461 switch (fh) {
000002 f46f4000 MVN r0,#0x8000
000006 4408 ADD r0,r0,r1
000008 b120 CBZ r0,|L3.20|
00000a 2801 CMP r0,#1
00000c d004 BEQ |L3.24|
00000e 2802 CMP r0,#2
000010 d106 BNE |L3.32|
000012 e003 B |L3.28|
|L3.20|
;;;462 case FH_STDIN:
;;;463 return (0);
000014 2000 MOVS r0,#0
|L3.22|
;;;464 case FH_STDOUT:
;;;465 return (0);
;;;466 case FH_STDERR:
;;;467 return (0);
;;;468 }
;;;469
;;;470 #ifdef RTE_Compiler_IO_File
;;;471 #ifdef RTE_Compiler_IO_File_FS
;;;472 return (__sys_close(fh));
;;;473 #endif
;;;474 #else
;;;475 return (-1);
;;;476 #endif
;;;477 }
000016 4770 BX lr
|L3.24|
000018 2000 MOVS r0,#0 ;465
00001a e7fc B |L3.22|
|L3.28|
00001c 2000 MOVS r0,#0 ;467
00001e e7fa B |L3.22|
|L3.32|
000020 f04f30ff MOV r0,#0xffffffff ;475
000024 e7f7 B |L3.22|
;;;478 #endif
ENDP
AREA ||i._sys_flen||, CODE, READONLY, ALIGN=1
_sys_flen PROC
;;;743 __attribute__((weak))
;;;744 long _sys_flen (FILEHANDLE fh) {
000000 4601 MOV r1,r0
;;;745
;;;746 switch (fh) {
000002 f46f4000 MVN r0,#0x8000
000006 4408 ADD r0,r0,r1
000008 b120 CBZ r0,|L4.20|
00000a 2801 CMP r0,#1
00000c d004 BEQ |L4.24|
00000e 2802 CMP r0,#2
000010 d106 BNE |L4.32|
000012 e003 B |L4.28|
|L4.20|
;;;747 case FH_STDIN:
;;;748 return (0);
000014 2000 MOVS r0,#0
|L4.22|
;;;749 case FH_STDOUT:
;;;750 return (0);
;;;751 case FH_STDERR:
;;;752 return (0);
;;;753 }
;;;754
;;;755 #ifdef RTE_Compiler_IO_File
;;;756 #ifdef RTE_Compiler_IO_File_FS
;;;757 return (__sys_flen(fh));
;;;758 #endif
;;;759 #else
;;;760 return (0);
;;;761 #endif
;;;762 }
000016 4770 BX lr
|L4.24|
000018 2000 MOVS r0,#0 ;750
00001a e7fc B |L4.22|
|L4.28|
00001c 2000 MOVS r0,#0 ;752
00001e e7fa B |L4.22|
|L4.32|
000020 2000 MOVS r0,#0 ;760
000022 e7f8 B |L4.22|
;;;763 #endif
ENDP
AREA ||i._sys_istty||, CODE, READONLY, ALIGN=1
_sys_istty PROC
;;;669 __attribute__((weak))
;;;670 int _sys_istty (FILEHANDLE fh) {
000000 4601 MOV r1,r0
;;;671
;;;672 switch (fh) {
000002 f46f4000 MVN r0,#0x8000
000006 4408 ADD r0,r0,r1
000008 b120 CBZ r0,|L5.20|
00000a 2801 CMP r0,#1
00000c d004 BEQ |L5.24|
00000e 2802 CMP r0,#2
000010 d106 BNE |L5.32|
000012 e003 B |L5.28|
|L5.20|
;;;673 case FH_STDIN:
;;;674 return (1);
000014 2001 MOVS r0,#1
|L5.22|
;;;675 case FH_STDOUT:
;;;676 return (1);
;;;677 case FH_STDERR:
;;;678 return (1);
;;;679 }
;;;680
;;;681 return (0);
;;;682 }
000016 4770 BX lr
|L5.24|
000018 2001 MOVS r0,#1 ;676
00001a e7fc B |L5.22|
|L5.28|
00001c 2001 MOVS r0,#1 ;678
00001e e7fa B |L5.22|
|L5.32|
000020 2000 MOVS r0,#0 ;681
000022 e7f8 B |L5.22|
;;;683 #endif
ENDP
AREA ||i._sys_open||, CODE, READONLY, ALIGN=2
_sys_open PROC
;;;412 __attribute__((weak))
;;;413 FILEHANDLE _sys_open (const char *name, int openmode) {
000000 b570 PUSH {r4-r6,lr}
000002 4604 MOV r4,r0
000004 460d MOV r5,r1
;;;414 #if (!defined(RTE_Compiler_IO_File))
;;;415 (void)openmode;
;;;416 #endif
;;;417
;;;418 if (name == NULL) {
000006 b914 CBNZ r4,|L6.14|
;;;419 return (-1);
000008 f04f30ff MOV r0,#0xffffffff
|L6.12|
;;;420 }
;;;421
;;;422 if (name[0] == ':') {
;;;423 if (strcmp(name, ":STDIN") == 0) {
;;;424 return (FH_STDIN);
;;;425 }
;;;426 if (strcmp(name, ":STDOUT") == 0) {
;;;427 return (FH_STDOUT);
;;;428 }
;;;429 if (strcmp(name, ":STDERR") == 0) {
;;;430 return (FH_STDERR);
;;;431 }
;;;432 return (-1);
;;;433 }
;;;434
;;;435 #ifdef RTE_Compiler_IO_File
;;;436 #ifdef RTE_Compiler_IO_File_FS
;;;437 return (__sys_open(name, openmode));
;;;438 #endif
;;;439 #else
;;;440 return (-1);
;;;441 #endif
;;;442 }
00000c bd70 POP {r4-r6,pc}
|L6.14|
00000e 7820 LDRB r0,[r4,#0] ;422
000010 283a CMP r0,#0x3a ;422
000012 d11a BNE |L6.74|
000014 a10e ADR r1,|L6.80|
000016 4620 MOV r0,r4 ;423
000018 f7fffffe BL strcmp
00001c b910 CBNZ r0,|L6.36|
00001e f2480001 MOV r0,#0x8001 ;424
000022 e7f3 B |L6.12|
|L6.36|
000024 a10c ADR r1,|L6.88|
000026 4620 MOV r0,r4 ;426
000028 f7fffffe BL strcmp
00002c b910 CBNZ r0,|L6.52|
00002e f2480002 MOV r0,#0x8002 ;427
000032 e7eb B |L6.12|
|L6.52|
000034 a10a ADR r1,|L6.96|
000036 4620 MOV r0,r4 ;429
000038 f7fffffe BL strcmp
00003c b910 CBNZ r0,|L6.68|
00003e f2480003 MOV r0,#0x8003 ;430
000042 e7e3 B |L6.12|
|L6.68|
000044 f04f30ff MOV r0,#0xffffffff ;432
000048 e7e0 B |L6.12|
|L6.74|
00004a f04f30ff MOV r0,#0xffffffff ;440
00004e e7dd B |L6.12|
;;;443 #endif
ENDP
|L6.80|
000050 3a535444 DCB ":STDIN",0
000054 494e00
000057 00 DCB 0
|L6.88|
000058 3a535444 DCB ":STDOUT",0
00005c 4f555400
|L6.96|
000060 3a535444 DCB ":STDERR",0
000064 45525200
AREA ||i._sys_read||, CODE, READONLY, ALIGN=1
_sys_read PROC
;;;576 __attribute__((weak))
;;;577 int _sys_read (FILEHANDLE fh, uint8_t *buf, uint32_t len, int mode) {
000000 e92d41f0 PUSH {r4-r8,lr}
000004 4607 MOV r7,r0
000006 460e MOV r6,r1
000008 4614 MOV r4,r2
00000a 4698 MOV r8,r3
;;;578 #ifdef RTE_Compiler_IO_STDIN
;;;579 int ch;
;;;580 #elif (!defined(RTE_Compiler_IO_File))
;;;581 (void)buf;
;;;582 (void)len;
;;;583 #endif
;;;584 (void)mode;
;;;585
;;;586 switch (fh) {
00000c f46f4000 MVN r0,#0x8000
000010 4438 ADD r0,r0,r7
000012 b120 CBZ r0,|L7.30|
000014 2801 CMP r0,#1
000016 d010 BEQ |L7.58|
000018 2802 CMP r0,#2
00001a d114 BNE |L7.70|
00001c e010 B |L7.64|
|L7.30|
;;;587 case FH_STDIN:
;;;588 #ifdef RTE_Compiler_IO_STDIN
;;;589 ch = stdin_getchar();
00001e f7fffffe BL stdin_getchar
000022 4605 MOV r5,r0
;;;590 if (ch < 0) {
000024 2d00 CMP r5,#0
000026 da03 BGE |L7.48|
;;;591 return ((int)(len | 0x80000000U));
000028 f0444000 ORR r0,r4,#0x80000000
|L7.44|
;;;592 }
;;;593 *buf++ = (uint8_t)ch;
;;;594 #if (STDIN_ECHO != 0)
;;;595 stdout_putchar(ch);
;;;596 #endif
;;;597 len--;
;;;598 return ((int)(len));
;;;599 #else
;;;600 return ((int)(len | 0x80000000U));
;;;601 #endif
;;;602 case FH_STDOUT:
;;;603 return (-1);
;;;604 case FH_STDERR:
;;;605 return (-1);
;;;606 }
;;;607
;;;608 #ifdef RTE_Compiler_IO_File
;;;609 #ifdef RTE_Compiler_IO_File_FS
;;;610 return (__sys_read(fh, buf, len));
;;;611 #endif
;;;612 #else
;;;613 return (-1);
;;;614 #endif
;;;615 }
00002c e8bd81f0 POP {r4-r8,pc}
|L7.48|
000030 f8065b01 STRB r5,[r6],#1 ;593
000034 1e64 SUBS r4,r4,#1 ;597
000036 4620 MOV r0,r4 ;598
000038 e7f8 B |L7.44|
|L7.58|
00003a f04f30ff MOV r0,#0xffffffff ;603
00003e e7f5 B |L7.44|
|L7.64|
000040 f04f30ff MOV r0,#0xffffffff ;605
000044 e7f2 B |L7.44|
|L7.70|
000046 f04f30ff MOV r0,#0xffffffff ;613
00004a e7ef B |L7.44|
;;;616 #endif
ENDP
AREA ||i._sys_seek||, CODE, READONLY, ALIGN=1
_sys_seek PROC
;;;701 __attribute__((weak))
;;;702 int _sys_seek (FILEHANDLE fh, long pos) {
000000 4602 MOV r2,r0
;;;703 #if (!defined(RTE_Compiler_IO_File))
;;;704 (void)pos;
;;;705 #endif
;;;706
;;;707 switch (fh) {
000002 f46f4000 MVN r0,#0x8000
000006 4410 ADD r0,r0,r2
000008 b120 CBZ r0,|L8.20|
00000a 2801 CMP r0,#1
00000c d005 BEQ |L8.26|
00000e 2802 CMP r0,#2
000010 d109 BNE |L8.38|
000012 e005 B |L8.32|
|L8.20|
;;;708 case FH_STDIN:
;;;709 return (-1);
000014 f04f30ff MOV r0,#0xffffffff
|L8.24|
;;;710 case FH_STDOUT:
;;;711 return (-1);
;;;712 case FH_STDERR:
;;;713 return (-1);
;;;714 }
;;;715
;;;716 #ifdef RTE_Compiler_IO_File
;;;717 #ifdef RTE_Compiler_IO_File_FS
;;;718 return (__sys_seek(fh, (uint32_t)pos));
;;;719 #endif
;;;720 #else
;;;721 return (-1);
;;;722 #endif
;;;723 }
000018 4770 BX lr
|L8.26|
00001a f04f30ff MOV r0,#0xffffffff ;711
00001e e7fb B |L8.24|
|L8.32|
000020 f04f30ff MOV r0,#0xffffffff ;713
000024 e7f8 B |L8.24|
|L8.38|
000026 f04f30ff MOV r0,#0xffffffff ;721
00002a e7f5 B |L8.24|
;;;724 #endif
ENDP
AREA ||i._sys_write||, CODE, READONLY, ALIGN=1
_sys_write PROC
;;;500 __attribute__((weak))
;;;501 int _sys_write (FILEHANDLE fh, const uint8_t *buf, uint32_t len, int mode) {
000000 e92d41f0 PUSH {r4-r8,lr}
000004 4607 MOV r7,r0
000006 460c MOV r4,r1
000008 4615 MOV r5,r2
00000a 4698 MOV r8,r3
;;;502 #if (defined(RTE_Compiler_IO_STDOUT) || defined(RTE_Compiler_IO_STDERR))
;;;503 int ch;
;;;504 #elif (!defined(RTE_Compiler_IO_File))
;;;505 (void)buf;
;;;506 (void)len;
;;;507 #endif
;;;508 (void)mode;
;;;509
;;;510 switch (fh) {
00000c f46f4000 MVN r0,#0x8000
000010 4438 ADD r0,r0,r7
000012 b120 CBZ r0,|L9.30|
000014 2801 CMP r0,#1
000016 d006 BEQ |L9.38|
000018 2802 CMP r0,#2
00001a d11a BNE |L9.82|
00001c e00e B |L9.60|
|L9.30|
;;;511 case FH_STDIN:
;;;512 return (-1);
00001e f04f30ff MOV r0,#0xffffffff
|L9.34|
;;;513 case FH_STDOUT:
;;;514 #ifdef RTE_Compiler_IO_STDOUT
;;;515 for (; len; len--) {
;;;516 ch = *buf++;
;;;517 #if (STDOUT_CR_LF != 0)
;;;518 if (ch == '\n') stdout_putchar('\r');
;;;519 #endif
;;;520 stdout_putchar(ch);
;;;521 }
;;;522 #endif
;;;523 return (0);
;;;524 case FH_STDERR:
;;;525 #ifdef RTE_Compiler_IO_STDERR
;;;526 for (; len; len--) {
;;;527 ch = *buf++;
;;;528 #if (STDERR_CR_LF != 0)
;;;529 if (ch == '\n') stderr_putchar('\r');
;;;530 #endif
;;;531 stderr_putchar(ch);
;;;532 }
;;;533 #endif
;;;534 return (0);
;;;535 }
;;;536
;;;537 #ifdef RTE_Compiler_IO_File
;;;538 #ifdef RTE_Compiler_IO_File_FS
;;;539 return (__sys_write(fh, buf, len));
;;;540 #endif
;;;541 #else
;;;542 return (-1);
;;;543 #endif
;;;544 }
000022 e8bd81f0 POP {r4-r8,pc}
|L9.38|
000026 e005 B |L9.52|
|L9.40|
000028 f8146b01 LDRB r6,[r4],#1 ;516
00002c 4630 MOV r0,r6 ;520
00002e f7fffffe BL stdout_putchar
000032 1e6d SUBS r5,r5,#1 ;515
|L9.52|
000034 2d00 CMP r5,#0 ;515
000036 d1f7 BNE |L9.40|
000038 2000 MOVS r0,#0 ;523
00003a e7f2 B |L9.34|
|L9.60|
00003c e005 B |L9.74|
|L9.62|
00003e f8146b01 LDRB r6,[r4],#1 ;527
000042 4630 MOV r0,r6 ;531
000044 f7fffffe BL stderr_putchar
000048 1e6d SUBS r5,r5,#1 ;526
|L9.74|
00004a 2d00 CMP r5,#0 ;526
00004c d1f7 BNE |L9.62|
00004e 2000 MOVS r0,#0 ;534
000050 e7e7 B |L9.34|
|L9.82|
000052 f04f30ff MOV r0,#0xffffffff ;542
000056 e7e4 B |L9.34|
;;;545 #endif
ENDP
AREA ||i.stderr_putchar||, CODE, READONLY, ALIGN=1
stderr_putchar PROC
;;;202 #elif defined(RTE_Compiler_IO_STDERR_ITM)
;;;203 static int stderr_putchar (int ch) {
000000 b500 PUSH {lr}
000002 4603 MOV r3,r0
;;;204 return (ITM_SendChar(ch));
000004 4618 MOV r0,r3
000006 f7fffffe BL ITM_SendChar
;;;205 }
00000a bd00 POP {pc}
;;;206 #elif defined(RTE_Compiler_IO_STDERR_BKPT)
ENDP
AREA ||i.stdin_getchar||, CODE, READONLY, ALIGN=1
stdin_getchar PROC
;;;136 #elif defined(RTE_Compiler_IO_STDIN_ITM)
;;;137 static int stdin_getchar (void) {
000000 b500 PUSH {lr}
;;;138 int32_t ch;
;;;139
;;;140 do {
000002 bf00 NOP
|L11.4|
;;;141 ch = ITM_ReceiveChar();
000004 f7fffffe BL ITM_ReceiveChar
;;;142 } while (ch == -1);
000008 1c41 ADDS r1,r0,#1
00000a 2900 CMP r1,#0
00000c d0fa BEQ |L11.4|
;;;143 return (ch);
;;;144 }
00000e bd00 POP {pc}
;;;145 #elif defined(RTE_Compiler_IO_STDIN_BKPT)
ENDP
AREA ||i.stdout_putchar||, CODE, READONLY, ALIGN=1
stdout_putchar PROC
;;;165 #elif defined(RTE_Compiler_IO_STDOUT_ITM)
;;;166 static int stdout_putchar (int ch) {
000000 b500 PUSH {lr}
000002 4603 MOV r3,r0
;;;167 return (ITM_SendChar(ch));
000004 4618 MOV r0,r3
000006 f7fffffe BL ITM_SendChar
;;;168 }
00000a bd00 POP {pc}
;;;169 #elif defined(RTE_Compiler_IO_STDOUT_EVR)
ENDP
AREA ||.constdata||, DATA, READONLY, ALIGN=0
__stdin_name
000000 3a535444 DCB 0x3a,0x53,0x54,0x44
000004 494e00 DCB 0x49,0x4e,0x00
__stdout_name
000007 3a DCB 0x3a
000008 5354444f DCB 0x53,0x54,0x44,0x4f
00000c 555400 DCB 0x55,0x54,0x00
__stderr_name
00000f 3a DCB 0x3a
000010 53544445 DCB 0x53,0x54,0x44,0x45
000014 525200 DCB 0x52,0x52,0x00
AREA ||.data||, DATA, ALIGN=2
ITM_RxBuffer
DCD 0x5aa55aa5

239
workshop-1/Listings/system_stm32f4xx.txt
View File

@ -1,239 +0,0 @@
; generated by Component: ARM Compiler 5.06 update 7 (build 960) Tool: ArmCC [4d365d]
; commandline ArmCC [--list --split_sections --debug -c --asm --interleave -o.\objects\system_stm32f4xx.o --asm_dir=.\Listings\ --list_dir=.\Listings\ --depend=.\objects\system_stm32f4xx.d --cpu=Cortex-M4.fp.sp --apcs=interwork -O0 --diag_suppress=9931 -I.\RTE\_Target_1 -IC:\Users\User\AppData\Local\Arm\Packs\ARM\CMSIS\5.7.0\CMSIS\Core\Include -IC:\Users\User\AppData\Local\Arm\Packs\Keil\STM32F4xx_DFP\2.15.0\Drivers\CMSIS\Device\ST\STM32F4xx\Include -D__UVISION_VERSION=534 -D_RTE_ -DSTM32F401xE -D_RTE_ --omf_browse=.\objects\system_stm32f4xx.crf RTE\Device\STM32F401RETx\system_stm32f4xx.c]
THUMB
AREA ||i.SystemCoreClockUpdate||, CODE, READONLY, ALIGN=2
SystemCoreClockUpdate PROC
;;;204 */
;;;205 void SystemCoreClockUpdate(void)
000000 b570 PUSH {r4-r6,lr}
;;;206 {
;;;207 uint32_t tmp = 0, pllvco = 0, pllp = 2, pllsource = 0, pllm = 2;
000002 2000 MOVS r0,#0
000004 2200 MOVS r2,#0
000006 2302 MOVS r3,#2
000008 2400 MOVS r4,#0
00000a 2102 MOVS r1,#2
;;;208
;;;209 /* Get SYSCLK source -------------------------------------------------------*/
;;;210 tmp = RCC->CFGR & RCC_CFGR_SWS;
00000c 4d27 LDR r5,|L1.172|
00000e 682d LDR r5,[r5,#0]
000010 f005000c AND r0,r5,#0xc
;;;211
;;;212 switch (tmp)
000014 b120 CBZ r0,|L1.32|
000016 2804 CMP r0,#4
000018 d006 BEQ |L1.40|
00001a 2808 CMP r0,#8
00001c d134 BNE |L1.136|
00001e e007 B |L1.48|
|L1.32|
;;;213 {
;;;214 case 0x00: /* HSI used as system clock source */
;;;215 SystemCoreClock = HSI_VALUE;
000020 4d23 LDR r5,|L1.176|
000022 4e24 LDR r6,|L1.180|
000024 6035 STR r5,[r6,#0] ; SystemCoreClock
;;;216 break;
000026 e033 B |L1.144|
|L1.40|
;;;217 case 0x04: /* HSE used as system clock source */
;;;218 SystemCoreClock = HSE_VALUE;
000028 4d23 LDR r5,|L1.184|
00002a 4e22 LDR r6,|L1.180|
00002c 6035 STR r5,[r6,#0] ; SystemCoreClock
;;;219 break;
00002e e02f B |L1.144|
|L1.48|
;;;220 case 0x08: /* PLL used as system clock source */
;;;221
;;;222 /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLL_M) * PLL_N
;;;223 SYSCLK = PLL_VCO / PLL_P
;;;224 */
;;;225 pllsource = (RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) >> 22;
000030 4d1e LDR r5,|L1.172|
000032 1f2d SUBS r5,r5,#4
000034 682d LDR r5,[r5,#0]
000036 f3c55480 UBFX r4,r5,#22,#1
;;;226 pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM;
00003a 4d1c LDR r5,|L1.172|
00003c 1f2d SUBS r5,r5,#4
00003e 682d LDR r5,[r5,#0]
000040 f005013f AND r1,r5,#0x3f
;;;227
;;;228 if (pllsource != 0)
000044 b154 CBZ r4,|L1.92|
;;;229 {
;;;230 /* HSE used as PLL clock source */
;;;231 pllvco = (HSE_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 6);
000046 4d1c LDR r5,|L1.184|
000048 fbb5f5f1 UDIV r5,r5,r1
00004c 4e17 LDR r6,|L1.172|
00004e 1f36 SUBS r6,r6,#4
000050 6836 LDR r6,[r6,#0]
000052 f3c61688 UBFX r6,r6,#6,#9
000056 fb05f206 MUL r2,r5,r6
00005a e009 B |L1.112|
|L1.92|
;;;232 }
;;;233 else
;;;234 {
;;;235 /* HSI used as PLL clock source */
;;;236 pllvco = (HSI_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 6);
00005c 4d14 LDR r5,|L1.176|
00005e fbb5f5f1 UDIV r5,r5,r1
000062 4e12 LDR r6,|L1.172|
000064 1f36 SUBS r6,r6,#4
000066 6836 LDR r6,[r6,#0]
000068 f3c61688 UBFX r6,r6,#6,#9
00006c fb05f206 MUL r2,r5,r6
|L1.112|
;;;237 }
;;;238
;;;239 pllp = (((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) >>16) + 1 ) *2;
000070 4d0e LDR r5,|L1.172|
000072 1f2d SUBS r5,r5,#4
000074 682d LDR r5,[r5,#0]
000076 f3c54501 UBFX r5,r5,#16,#2
00007a 1c6d ADDS r5,r5,#1
00007c 006b LSLS r3,r5,#1
;;;240 SystemCoreClock = pllvco/pllp;
00007e fbb2f5f3 UDIV r5,r2,r3
000082 4e0c LDR r6,|L1.180|
000084 6035 STR r5,[r6,#0] ; SystemCoreClock
;;;241 break;
000086 e003 B |L1.144|
|L1.136|
;;;242 default:
;;;243 SystemCoreClock = HSI_VALUE;
000088 4d09 LDR r5,|L1.176|
00008a 4e0a LDR r6,|L1.180|
00008c 6035 STR r5,[r6,#0] ; SystemCoreClock
;;;244 break;
00008e bf00 NOP
|L1.144|
000090 bf00 NOP ;216
;;;245 }
;;;246 /* Compute HCLK frequency --------------------------------------------------*/
;;;247 /* Get HCLK prescaler */
;;;248 tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4)];
000092 4d06 LDR r5,|L1.172|
000094 682d LDR r5,[r5,#0]
000096 f3c51503 UBFX r5,r5,#4,#4
00009a 4e08 LDR r6,|L1.188|
00009c 5d70 LDRB r0,[r6,r5]
;;;249 /* HCLK frequency */
;;;250 SystemCoreClock >>= tmp;
00009e 4d05 LDR r5,|L1.180|
0000a0 682d LDR r5,[r5,#0] ; SystemCoreClock
0000a2 40c5 LSRS r5,r5,r0
0000a4 4e03 LDR r6,|L1.180|
0000a6 6035 STR r5,[r6,#0] ; SystemCoreClock
;;;251 }
0000a8 bd70 POP {r4-r6,pc}
;;;252
ENDP
0000aa 0000 DCW 0x0000
|L1.172|
DCD 0x40023808
|L1.176|
DCD 0x00f42400
|L1.180|
DCD SystemCoreClock
|L1.184|
DCD 0x017d7840
|L1.188|
DCD AHBPrescTable
AREA ||i.SystemInit||, CODE, READONLY, ALIGN=2
SystemInit PROC
;;;149 */
;;;150 void SystemInit(void)
000000 4805 LDR r0,|L2.24|
;;;151 {
;;;152 /* FPU settings ------------------------------------------------------------*/
;;;153 #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
;;;154 SCB->CPACR |= ((3UL << 10*2)|(3UL << 11*2)); /* set CP10 and CP11 Full Access */
000002 6800 LDR r0,[r0,#0]
000004 f4400070 ORR r0,r0,#0xf00000
000008 4903 LDR r1,|L2.24|
00000a 6008 STR r0,[r1,#0]
;;;155 #endif
;;;156
;;;157 #if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
;;;158 SystemInit_ExtMemCtl();
;;;159 #endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */
;;;160
;;;161 /* Configure the Vector Table location add offset address ------------------*/
;;;162 #ifdef VECT_TAB_SRAM
;;;163 SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
;;;164 #else
;;;165 SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
00000c f04f6000 MOV r0,#0x8000000
000010 4901 LDR r1,|L2.24|
000012 3980 SUBS r1,r1,#0x80
000014 6008 STR r0,[r1,#0]
;;;166 #endif
;;;167 }
000016 4770 BX lr
;;;168
ENDP
|L2.24|
DCD 0xe000ed88
AREA ||.constdata||, DATA, READONLY, ALIGN=0
AHBPrescTable
000000 00000000 DCB 0x00,0x00,0x00,0x00
000004 00000000 DCB 0x00,0x00,0x00,0x00
000008 01020304 DCB 0x01,0x02,0x03,0x04
00000c 06070809 DCB 0x06,0x07,0x08,0x09
APBPrescTable
000010 00000000 DCB 0x00,0x00,0x00,0x00
000014 01020304 DCB 0x01,0x02,0x03,0x04
AREA ||.data||, DATA, ALIGN=2
SystemCoreClock
DCD 0x00f42400
;*** Start embedded assembler ***
#line 1 "RTE\\Device\\STM32F401RETx\\system_stm32f4xx.c"
AREA ||.rev16_text||, CODE
THUMB
EXPORT |__asm___18_system_stm32f4xx_c_5d646a67____REV16|
#line 481 "C:\\Users\\User\\AppData\\Local\\Arm\\Packs\\ARM\\CMSIS\\5.7.0\\CMSIS\\Core\\Include\\cmsis_armcc.h"
|__asm___18_system_stm32f4xx_c_5d646a67____REV16| PROC
#line 482
rev16 r0, r0
bx lr
ENDP
AREA ||.revsh_text||, CODE
THUMB
EXPORT |__asm___18_system_stm32f4xx_c_5d646a67____REVSH|
#line 496
|__asm___18_system_stm32f4xx_c_5d646a67____REVSH| PROC
#line 497
revsh r0, r0
bx lr
ENDP
AREA ||.rrx_text||, CODE
THUMB
EXPORT |__asm___18_system_stm32f4xx_c_5d646a67____RRX|
#line 683
|__asm___18_system_stm32f4xx_c_5d646a67____RRX| PROC
#line 684
rrx r0, r0
bx lr
ENDP
;*** End embedded assembler ***

5
workshop-1/hash.uvprojx
View File

@ -389,11 +389,6 @@
<FileType>1</FileType>
<FilePath>.\hash_function.c</FilePath>
</File>
<File>
<FileName>hash_lookup_table.s</FileName>
<FileType>2</FileType>
<FilePath>.\hash_lookup_table.s</FilePath>
</File>
</Files>
</Group>
<Group>

44
workshop-1/hash_function.c
View File

@ -5,13 +5,14 @@ static const uint8_t hashtbl[] = {
18, 11, 10, 21, 7, 5, 9, 22, 17, 2, 12, 3, 19, 1, 14, 16, 20, 8, 23, 4, 26, 15, 6, 24, 13, 25
};
__asm int generate_hash( const char *str, const uint8_t *hashtbl )
__asm int generate_hash( const char *str, const uint8_t *hashtbl, int *hashptr )
{
// Define names for used registers
input_str RN r0
hashtbl RN r1
curr_char RN r2
hash_val RN r3
input_str RN r0
hashtbl RN r1
hashptr RN r2
curr_char RN r6
hash_val RN r3
MOV hash_val, #0 // Initialize hash_val to zero
hash_loop
@ -20,35 +21,36 @@ hash_loop
BLS hash_skip // If it is lower or same in the ASCII table, then skip this character
CMP curr_char, #'9' // Compare it with 9
SUBLS hash_val, curr_char // If byte is lower or same, then subtract its value from the hash_val
ADDLS hash_val, #48 // Add 48 to the hash_val because ASCII '0' index is 48 decimal
BLS hash_skip // Then move the the next character
SUBLS hash_val, curr_char // If byte is lower or same, then subtract its value from the hash_val
ADDLS hash_val, #48 // Add 48 to the hash_val because ASCII '0' index is 48 decimal
BLS hash_skip // Then move the the next character
CMP curr_char, #'A' - 1 // Compare it with the character before 'A'
BLS hash_skip // If it is lower or same in the ASCII table, then skip this character
BLS hash_skip // If it is lower or same in the ASCII table, then skip this character
CMP curr_char, #'Z' // Compare it with the 'Z' character
BHI hash_skip // If it is higher in the ASCII table, then skip this character
CMP curr_char, #'Z' // Compare it with the 'Z' character
BHI hash_skip // If it is higher in the ASCII table, then skip this character
SUB r4, curr_char, #65 // Subtract 65 from curr_char because the ASCII 'A' index is 65 decimal and store in r4
SUB r4, curr_char, #65 // Subtract 65 from curr_char because the ASCII 'A' index is 65 decimal and store in r4
ADD r4, hashtbl, r4 // Add the address of the start of the lookup table to r4
LDRB r5, [r4] // Load byte into r5 from memory pointed to by r4 (character hash value)
LDRB r5, [r4] // Load byte into r5 from memory pointed to by r4 (character hash value)
ADD hash_val, r5 // Add the character hash value to the hash_val
hash_skip
ADDS input_str, input_str, #1 // Increment the input_str pointer
CMP curr_char, #0 // Check if the byte is 0
BNE hash_loop // If not, repeat loop
MOVEQ r0, hash_val // Else store hash_val to r0
BX lr // Return from subroutine
ADD input_str, input_str, #1 // Increment the input_str pointer
CMP curr_char, #0 // Check if the byte is 0
BNE hash_loop // If not, repeat loop
MOVEQ r0, hash_val // Else store hash_val to r0
STR hash_val, [hashptr]
BX lr // Return from subroutine
}
int main(void)
int main( void )
{
static char STRING_TO_HASH[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!!@#$%*&";
static const char STRING_TO_HASH[] = "FD7N8JT!EGMIQH2@3ZW0ABCRSLOYV45PK1#X6U!9";
int hash = 0;
hash = generate_hash(STRING_TO_HASH, hashtbl);
generate_hash(STRING_TO_HASH, hashtbl, &hash);
printf("%d", hash);
return 0;

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