speck_cpa_cw/cw_firmware/objdir-CWLITEARM/simple-speck.lst

   1              		.cpu cortex-m4
   2              		.eabi_attribute 20, 1
   3              		.eabi_attribute 21, 1
   4              		.eabi_attribute 23, 3
   5              		.eabi_attribute 24, 1
   6              		.eabi_attribute 25, 1
   7              		.eabi_attribute 26, 1
   8              		.eabi_attribute 30, 4
   9              		.eabi_attribute 34, 1
  10              		.eabi_attribute 18, 4
  11              		.file	"simple-speck.c"
  12              		.text
  13              	.Ltext0:
  14              		.cfi_sections	.debug_frame
  15              		.section	.text.set_key,"ax",%progbits
  16              		.align	1
  17              		.global	set_key
  18              		.arch armv7e-m
  19              		.syntax unified
  20              		.thumb
  21              		.thumb_func
  22              		.fpu softvfp
  24              	set_key:
  25              	.LVL0:
  26              	.LFB1:
  27              		.file 1 "simple-speck.c"
   1:simple-speck.c **** #include "hal.h"
   2:simple-speck.c **** #include <stdint.h>
   3:simple-speck.c **** #include <stdlib.h>
   4:simple-speck.c **** 
   5:simple-speck.c **** #include "simpleserial.h"
   6:simple-speck.c **** #include "speck.h"
   7:simple-speck.c **** 
   8:simple-speck.c **** u8 gkey[8] = {0x00};
   9:simple-speck.c **** 
  10:simple-speck.c **** 
  11:simple-speck.c **** uint8_t get_key(uint8_t* k, uint8_t len) {
  12:simple-speck.c **** 	simpleserial_put('o', 8, gkey);
  13:simple-speck.c **** 	return 0x00;
  14:simple-speck.c **** }
  15:simple-speck.c **** 
  16:simple-speck.c **** uint8_t set_key(uint8_t* key, uint8_t len) {
  28              		.loc 1 16 44 view -0
  29              		.cfi_startproc
  30              		@ args = 0, pretend = 0, frame = 0
  31              		@ frame_needed = 0, uses_anonymous_args = 0
  32              		@ link register save eliminated.
  17:simple-speck.c ****     memcpy(gkey, key, 8);
  33              		.loc 1 17 5 view .LVU1
  34 0000 034A     		ldr	r2, .L2
  35 0002 0368     		ldr	r3, [r0]	@ unaligned
  36 0004 1360     		str	r3, [r2]	@ unaligned
  37 0006 4368     		ldr	r3, [r0, #4]	@ unaligned
  38 0008 5360     		str	r3, [r2, #4]	@ unaligned
  18:simple-speck.c ****     return 0x00;
  39              		.loc 1 18 5 view .LVU2
  19:simple-speck.c **** }
  40              		.loc 1 19 1 is_stmt 0 view .LVU3
  41 000a 0020     		movs	r0, #0
  42              	.LVL1:
  43              		.loc 1 19 1 view .LVU4
  44 000c 7047     		bx	lr
  45              	.L3:
  46 000e 00BF     		.align	2
  47              	.L2:
  48 0010 00000000 		.word	.LANCHOR0
  49              		.cfi_endproc
  50              	.LFE1:
  52              		.section	.text.get_key,"ax",%progbits
  53              		.align	1
  54              		.global	get_key
  55              		.syntax unified
  56              		.thumb
  57              		.thumb_func
  58              		.fpu softvfp
  60              	get_key:
  61              	.LVL2:
  62              	.LFB0:
  11:simple-speck.c **** 	simpleserial_put('o', 8, gkey);
  63              		.loc 1 11 42 is_stmt 1 view -0
  64              		.cfi_startproc
  65              		@ args = 0, pretend = 0, frame = 0
  66              		@ frame_needed = 0, uses_anonymous_args = 0
  12:simple-speck.c **** 	return 0x00;
  67              		.loc 1 12 2 view .LVU6
  11:simple-speck.c **** 	simpleserial_put('o', 8, gkey);
  68              		.loc 1 11 42 is_stmt 0 view .LVU7
  69 0000 08B5     		push	{r3, lr}
  70              	.LCFI0:
  71              		.cfi_def_cfa_offset 8
  72              		.cfi_offset 3, -8
  73              		.cfi_offset 14, -4
  12:simple-speck.c **** 	return 0x00;
  74              		.loc 1 12 2 view .LVU8
  75 0002 034A     		ldr	r2, .L5
  76 0004 0821     		movs	r1, #8
  77              	.LVL3:
  12:simple-speck.c **** 	return 0x00;
  78              		.loc 1 12 2 view .LVU9
  79 0006 6F20     		movs	r0, #111
  80              	.LVL4:
  12:simple-speck.c **** 	return 0x00;
  81              		.loc 1 12 2 view .LVU10
  82 0008 FFF7FEFF 		bl	simpleserial_put
  83              	.LVL5:
  13:simple-speck.c **** }
  84              		.loc 1 13 2 is_stmt 1 view .LVU11
  14:simple-speck.c **** 
  85              		.loc 1 14 1 is_stmt 0 view .LVU12
  86 000c 0020     		movs	r0, #0
  87 000e 08BD     		pop	{r3, pc}
  88              	.L6:
  89              		.align	2
  90              	.L5:
  91 0010 00000000 		.word	.LANCHOR0
  92              		.cfi_endproc
  93              	.LFE0:
  95              		.section	.text.reset,"ax",%progbits
  96              		.align	1
  97              		.global	reset
  98              		.syntax unified
  99              		.thumb
 100              		.thumb_func
 101              		.fpu softvfp
 103              	reset:
 104              	.LVL6:
 105              	.LFB4:
  20:simple-speck.c **** 
  21:simple-speck.c **** uint8_t get_pt(uint8_t* pt, uint8_t len) {
  22:simple-speck.c **** 	/**********************************
  23:simple-speck.c **** 	* Start user-specific code here. */
  24:simple-speck.c **** 	trigger_high();
  25:simple-speck.c **** 
  26:simple-speck.c ****         // Only for testing purposes
  27:simple-speck.c ****         volatile uint8_t testing_output[] = {0x42, 0x41, 0x41, 0x41,0x41, 0x41, 0x41, 0x41, 0x41, 0
  28:simple-speck.c **** 
  29:simple-speck.c **** 
  30:simple-speck.c **** 	trigger_low();
  31:simple-speck.c **** 	/* End user-specific code here. *
  32:simple-speck.c **** 	********************************/
  33:simple-speck.c **** 	simpleserial_put('r', 16, testing_output);
  34:simple-speck.c **** 
  35:simple-speck.c **** 	return 0x00;
  36:simple-speck.c **** }
  37:simple-speck.c **** 
  38:simple-speck.c **** 
  39:simple-speck.c **** uint8_t encrypt_block(uint8_t* pt, uint8_t len) {
  40:simple-speck.c **** 
  41:simple-speck.c ****     trigger_high(); // TRIGGER START
  42:simple-speck.c **** 
  43:simple-speck.c ****     u8 key[8] = {0x00};
  44:simple-speck.c ****     memcpy(key, gkey, 8); // copy the globally set encryption key
  45:simple-speck.c ****     u8 ct[4] = {0x00};
  46:simple-speck.c ****     Speck3264_EncryptBlock(pt, key, ct); // the encryption happens here
  47:simple-speck.c **** 
  48:simple-speck.c ****     trigger_low(); // TRIGGER STOP
  49:simple-speck.c **** 
  50:simple-speck.c ****     simpleserial_put('c', 4, ct);
  51:simple-speck.c ****     return 0x00;
  52:simple-speck.c **** }
  53:simple-speck.c **** 
  54:simple-speck.c **** 
  55:simple-speck.c **** uint8_t reset(uint8_t* x, uint8_t len) {
 106              		.loc 1 55 40 is_stmt 1 view -0
 107              		.cfi_startproc
 108              		@ args = 0, pretend = 0, frame = 0
 109              		@ frame_needed = 0, uses_anonymous_args = 0
  56:simple-speck.c **** 	simpleserial_put('r', 0, NULL);
 110              		.loc 1 56 2 view .LVU14
  55:simple-speck.c **** 	simpleserial_put('r', 0, NULL);
 111              		.loc 1 55 40 is_stmt 0 view .LVU15
 112 0000 08B5     		push	{r3, lr}
 113              	.LCFI1:
 114              		.cfi_def_cfa_offset 8
 115              		.cfi_offset 3, -8
 116              		.cfi_offset 14, -4
 117              		.loc 1 56 2 view .LVU16
 118 0002 0022     		movs	r2, #0
 119 0004 1146     		mov	r1, r2
 120              	.LVL7:
 121              		.loc 1 56 2 view .LVU17
 122 0006 7220     		movs	r0, #114
 123              	.LVL8:
 124              		.loc 1 56 2 view .LVU18
 125 0008 FFF7FEFF 		bl	simpleserial_put
 126              	.LVL9:
  57:simple-speck.c **** 	// Reset key here if needed
  58:simple-speck.c **** 	return 0x00;
 127              		.loc 1 58 2 is_stmt 1 view .LVU19
  59:simple-speck.c **** }
 128              		.loc 1 59 1 is_stmt 0 view .LVU20
 129 000c 0020     		movs	r0, #0
 130 000e 08BD     		pop	{r3, pc}
 131              		.cfi_endproc
 132              	.LFE4:
 134              		.section	.rodata.str1.1,"aMS",%progbits,1
 135              	.LC0:
 136 0000 42414141 		.ascii	"BAAAAAAAAAAAAAAA\000"
 136      41414141 
 136      41414141 
 136      41414141 
 136      00
 137              		.section	.text.get_pt,"ax",%progbits
 138              		.align	1
 139              		.global	get_pt
 140              		.syntax unified
 141              		.thumb
 142              		.thumb_func
 143              		.fpu softvfp
 145              	get_pt:
 146              	.LVL10:
 147              	.LFB2:
  21:simple-speck.c **** 	/**********************************
 148              		.loc 1 21 42 is_stmt 1 view -0
 149              		.cfi_startproc
 150              		@ args = 0, pretend = 0, frame = 16
 151              		@ frame_needed = 0, uses_anonymous_args = 0
  24:simple-speck.c **** 
 152              		.loc 1 24 2 view .LVU22
  21:simple-speck.c **** 	/**********************************
 153              		.loc 1 21 42 is_stmt 0 view .LVU23
 154 0000 7FB5     		push	{r0, r1, r2, r3, r4, r5, r6, lr}
 155              	.LCFI2:
 156              		.cfi_def_cfa_offset 32
 157              		.cfi_offset 4, -16
 158              		.cfi_offset 5, -12
 159              		.cfi_offset 6, -8
 160              		.cfi_offset 14, -4
  24:simple-speck.c **** 
 161              		.loc 1 24 2 view .LVU24
 162 0002 FFF7FEFF 		bl	trigger_high
 163              	.LVL11:
  27:simple-speck.c **** 
 164              		.loc 1 27 9 is_stmt 1 view .LVU25
  27:simple-speck.c **** 
 165              		.loc 1 27 26 is_stmt 0 view .LVU26
 166 0006 0B4B     		ldr	r3, .L11
 167 0008 6C46     		mov	r4, sp
 168 000a 03F11002 		add	r2, r3, #16
 169 000e 2646     		mov	r6, r4
 170              	.L9:
 171 0010 1868     		ldr	r0, [r3]	@ unaligned
 172 0012 5968     		ldr	r1, [r3, #4]	@ unaligned
 173 0014 2546     		mov	r5, r4
 174 0016 03C5     		stmia	r5!, {r0, r1}
 175 0018 0833     		adds	r3, r3, #8
 176 001a 9342     		cmp	r3, r2
 177 001c 2C46     		mov	r4, r5
 178 001e F7D1     		bne	.L9
  30:simple-speck.c **** 	/* End user-specific code here. *
 179              		.loc 1 30 2 is_stmt 1 view .LVU27
 180 0020 FFF7FEFF 		bl	trigger_low
 181              	.LVL12:
  33:simple-speck.c **** 
 182              		.loc 1 33 2 view .LVU28
 183 0024 3246     		mov	r2, r6
 184 0026 1021     		movs	r1, #16
 185 0028 7220     		movs	r0, #114
 186 002a FFF7FEFF 		bl	simpleserial_put
 187              	.LVL13:
  35:simple-speck.c **** }
 188              		.loc 1 35 2 view .LVU29
  36:simple-speck.c **** 
 189              		.loc 1 36 1 is_stmt 0 view .LVU30
 190 002e 0020     		movs	r0, #0
 191 0030 04B0     		add	sp, sp, #16
 192              	.LCFI3:
 193              		.cfi_def_cfa_offset 16
 194              		@ sp needed
 195 0032 70BD     		pop	{r4, r5, r6, pc}
 196              	.L12:
 197              		.align	2
 198              	.L11:
 199 0034 00000000 		.word	.LC0
 200              		.cfi_endproc
 201              	.LFE2:
 203              		.section	.text.encrypt_block,"ax",%progbits
 204              		.align	1
 205              		.global	encrypt_block
 206              		.syntax unified
 207              		.thumb
 208              		.thumb_func
 209              		.fpu softvfp
 211              	encrypt_block:
 212              	.LVL14:
 213              	.LFB3:
  39:simple-speck.c **** 
 214              		.loc 1 39 49 is_stmt 1 view -0
 215              		.cfi_startproc
 216              		@ args = 0, pretend = 0, frame = 16
 217              		@ frame_needed = 0, uses_anonymous_args = 0
  41:simple-speck.c **** 
 218              		.loc 1 41 5 view .LVU32
  39:simple-speck.c **** 
 219              		.loc 1 39 49 is_stmt 0 view .LVU33
 220 0000 30B5     		push	{r4, r5, lr}
 221              	.LCFI4:
 222              		.cfi_def_cfa_offset 12
 223              		.cfi_offset 4, -12
 224              		.cfi_offset 5, -8
 225              		.cfi_offset 14, -4
 226 0002 85B0     		sub	sp, sp, #20
 227              	.LCFI5:
 228              		.cfi_def_cfa_offset 32
  39:simple-speck.c **** 
 229              		.loc 1 39 49 view .LVU34
 230 0004 0446     		mov	r4, r0
  41:simple-speck.c **** 
 231              		.loc 1 41 5 view .LVU35
 232 0006 FFF7FEFF 		bl	trigger_high
 233              	.LVL15:
  43:simple-speck.c ****     memcpy(key, gkey, 8); // copy the globally set encryption key
 234              		.loc 1 43 5 is_stmt 1 view .LVU36
  44:simple-speck.c ****     u8 ct[4] = {0x00};
 235              		.loc 1 44 5 view .LVU37
 236 000a 0B4A     		ldr	r2, .L14
 237 000c 1068     		ldr	r0, [r2]	@ unaligned
 238 000e 5168     		ldr	r1, [r2, #4]	@ unaligned
 239 0010 02AB     		add	r3, sp, #8
 240 0012 03C3     		stmia	r3!, {r0, r1}
  45:simple-speck.c ****     Speck3264_EncryptBlock(pt, key, ct); // the encryption happens here
 241              		.loc 1 45 5 view .LVU38
  46:simple-speck.c **** 
 242              		.loc 1 46 5 is_stmt 0 view .LVU39
 243 0014 01AA     		add	r2, sp, #4
 244 0016 02A9     		add	r1, sp, #8
 245 0018 2046     		mov	r0, r4
  45:simple-speck.c ****     Speck3264_EncryptBlock(pt, key, ct); // the encryption happens here
 246              		.loc 1 45 8 view .LVU40
 247 001a 0025     		movs	r5, #0
 248 001c 0195     		str	r5, [sp, #4]
  46:simple-speck.c **** 
 249              		.loc 1 46 5 is_stmt 1 view .LVU41
 250 001e FFF7FEFF 		bl	Speck3264_EncryptBlock
 251              	.LVL16:
  48:simple-speck.c **** 
 252              		.loc 1 48 5 view .LVU42
 253 0022 FFF7FEFF 		bl	trigger_low
 254              	.LVL17:
  50:simple-speck.c ****     return 0x00;
 255              		.loc 1 50 5 view .LVU43
 256 0026 01AA     		add	r2, sp, #4
 257 0028 0421     		movs	r1, #4
 258 002a 6320     		movs	r0, #99
 259 002c FFF7FEFF 		bl	simpleserial_put
 260              	.LVL18:
  51:simple-speck.c **** }
 261              		.loc 1 51 5 view .LVU44
  52:simple-speck.c **** 
 262              		.loc 1 52 1 is_stmt 0 view .LVU45
 263 0030 2846     		mov	r0, r5
 264 0032 05B0     		add	sp, sp, #20
 265              	.LCFI6:
 266              		.cfi_def_cfa_offset 12
 267              		@ sp needed
 268 0034 30BD     		pop	{r4, r5, pc}
 269              	.LVL19:
 270              	.L15:
  52:simple-speck.c **** 
 271              		.loc 1 52 1 view .LVU46
 272 0036 00BF     		.align	2
 273              	.L14:
 274 0038 00000000 		.word	.LANCHOR0
 275              		.cfi_endproc
 276              	.LFE3:
 278              		.section	.text.startup.main,"ax",%progbits
 279              		.align	1
 280              		.global	main
 281              		.syntax unified
 282              		.thumb
 283              		.thumb_func
 284              		.fpu softvfp
 286              	main:
 287              	.LFB5:
  60:simple-speck.c **** 
  61:simple-speck.c **** 
  62:simple-speck.c **** int main(void) {
 288              		.loc 1 62 16 is_stmt 1 view -0
 289              		.cfi_startproc
 290              		@ Volatile: function does not return.
 291              		@ args = 0, pretend = 0, frame = 0
 292              		@ frame_needed = 0, uses_anonymous_args = 0
  63:simple-speck.c ****     platform_init();
 293              		.loc 1 63 5 view .LVU48
  62:simple-speck.c ****     platform_init();
 294              		.loc 1 62 16 is_stmt 0 view .LVU49
 295 0000 08B5     		push	{r3, lr}
 296              	.LCFI7:
 297              		.cfi_def_cfa_offset 8
 298              		.cfi_offset 3, -8
 299              		.cfi_offset 14, -4
 300              		.loc 1 63 5 view .LVU50
 301 0002 FFF7FEFF 		bl	platform_init
 302              	.LVL20:
  64:simple-speck.c **** 	init_uart();
 303              		.loc 1 64 2 is_stmt 1 view .LVU51
 304 0006 FFF7FEFF 		bl	init_uart
 305              	.LVL21:
  65:simple-speck.c **** 	trigger_setup();
 306              		.loc 1 65 2 view .LVU52
 307 000a FFF7FEFF 		bl	trigger_setup
 308              	.LVL22:
  66:simple-speck.c **** 
  67:simple-speck.c ****  	/* Uncomment this to get a HELLO message for debug */
  68:simple-speck.c ****         /*
  69:simple-speck.c **** 	putch('h');
  70:simple-speck.c **** 	putch('e');
  71:simple-speck.c **** 	putch('l');
  72:simple-speck.c **** 	putch('l');
  73:simple-speck.c **** 	putch('o');
  74:simple-speck.c **** 	putch('\n');
  75:simple-speck.c ****         */
  76:simple-speck.c **** 
  77:simple-speck.c **** 	simpleserial_init();
 309              		.loc 1 77 2 view .LVU53
 310 000e FFF7FEFF 		bl	simpleserial_init
 311              	.LVL23:
  78:simple-speck.c **** 	simpleserial_addcmd('p', 16, get_pt);
 312              		.loc 1 78 2 view .LVU54
 313 0012 0E4A     		ldr	r2, .L18
 314 0014 1021     		movs	r1, #16
 315 0016 7020     		movs	r0, #112
 316 0018 FFF7FEFF 		bl	simpleserial_addcmd
 317              	.LVL24:
  79:simple-speck.c **** 	simpleserial_addcmd('e', 4, encrypt_block);
 318              		.loc 1 79 2 view .LVU55
 319 001c 0C4A     		ldr	r2, .L18+4
 320 001e 0421     		movs	r1, #4
 321 0020 6520     		movs	r0, #101
 322 0022 FFF7FEFF 		bl	simpleserial_addcmd
 323              	.LVL25:
  80:simple-speck.c **** 	simpleserial_addcmd('k', 4, get_key);
 324              		.loc 1 80 2 view .LVU56
 325 0026 0B4A     		ldr	r2, .L18+8
 326 0028 0421     		movs	r1, #4
 327 002a 6B20     		movs	r0, #107
 328 002c FFF7FEFF 		bl	simpleserial_addcmd
 329              	.LVL26:
  81:simple-speck.c **** 	simpleserial_addcmd('s', 8, set_key);
 330              		.loc 1 81 2 view .LVU57
 331 0030 094A     		ldr	r2, .L18+12
 332 0032 0821     		movs	r1, #8
 333 0034 7320     		movs	r0, #115
 334 0036 FFF7FEFF 		bl	simpleserial_addcmd
 335              	.LVL27:
  82:simple-speck.c **** 	simpleserial_addcmd('x', 0, reset);
 336              		.loc 1 82 2 view .LVU58
 337 003a 084A     		ldr	r2, .L18+16
 338 003c 0021     		movs	r1, #0
 339 003e 7820     		movs	r0, #120
 340 0040 FFF7FEFF 		bl	simpleserial_addcmd
 341              	.LVL28:
 342              	.L17:
  83:simple-speck.c **** 
  84:simple-speck.c **** 	while(1)
 343              		.loc 1 84 2 discriminator 1 view .LVU59
  85:simple-speck.c **** 		simpleserial_get();
 344              		.loc 1 85 3 discriminator 1 view .LVU60
 345 0044 FFF7FEFF 		bl	simpleserial_get
 346              	.LVL29:
  84:simple-speck.c **** 		simpleserial_get();
 347              		.loc 1 84 7 discriminator 1 view .LVU61
 348 0048 FCE7     		b	.L17
 349              	.L19:
 350 004a 00BF     		.align	2
 351              	.L18:
 352 004c 00000000 		.word	get_pt
 353 0050 00000000 		.word	encrypt_block
 354 0054 00000000 		.word	get_key
 355 0058 00000000 		.word	set_key
 356 005c 00000000 		.word	reset
 357              		.cfi_endproc
 358              	.LFE5:
 360              		.global	gkey
 361              		.bss
 362              		.set	.LANCHOR0,. + 0
 365              	gkey:
 366 0000 00000000 		.space	8
 366      00000000 
 367              		.text
 368              	.Letext0:
 369              		.file 2 "/usr/arm-none-eabi/include/machine/_default_types.h"
 370              		.file 3 "/usr/arm-none-eabi/include/sys/_stdint.h"
 371              		.file 4 "deps//simpleserial/simpleserial.h"
 372              		.file 5 "deps//hal/stm32f3/stm32f3_hal.h"
 373              		.file 6 "deps//hal/hal.h"
 374              		.file 7 "speck.h"
 375              		.file 8 "<built-in>"
DEFINED SYMBOLS
                            *ABS*:0000000000000000 simple-speck.c
     /tmp/ccMYqZ7t.s:16     .text.set_key:0000000000000000 $t
     /tmp/ccMYqZ7t.s:24     .text.set_key:0000000000000000 set_key
     /tmp/ccMYqZ7t.s:48     .text.set_key:0000000000000010 $d
     /tmp/ccMYqZ7t.s:53     .text.get_key:0000000000000000 $t
     /tmp/ccMYqZ7t.s:60     .text.get_key:0000000000000000 get_key
     /tmp/ccMYqZ7t.s:91     .text.get_key:0000000000000010 $d
     /tmp/ccMYqZ7t.s:96     .text.reset:0000000000000000 $t
     /tmp/ccMYqZ7t.s:103    .text.reset:0000000000000000 reset
     /tmp/ccMYqZ7t.s:138    .text.get_pt:0000000000000000 $t
     /tmp/ccMYqZ7t.s:145    .text.get_pt:0000000000000000 get_pt
     /tmp/ccMYqZ7t.s:199    .text.get_pt:0000000000000034 $d
     /tmp/ccMYqZ7t.s:204    .text.encrypt_block:0000000000000000 $t
     /tmp/ccMYqZ7t.s:211    .text.encrypt_block:0000000000000000 encrypt_block
     /tmp/ccMYqZ7t.s:274    .text.encrypt_block:0000000000000038 $d
     /tmp/ccMYqZ7t.s:279    .text.startup.main:0000000000000000 $t
     /tmp/ccMYqZ7t.s:286    .text.startup.main:0000000000000000 main
     /tmp/ccMYqZ7t.s:352    .text.startup.main:000000000000004c $d
     /tmp/ccMYqZ7t.s:365    .bss:0000000000000000 gkey
     /tmp/ccMYqZ7t.s:366    .bss:0000000000000000 $d

UNDEFINED SYMBOLS
simpleserial_put
trigger_high
trigger_low
Speck3264_EncryptBlock
platform_init
init_uart
trigger_setup
simpleserial_init
simpleserial_addcmd
simpleserial_get