V9_PMU302/build/rkfifo.lst

ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 1


   1              		.cpu cortex-m4
   2              		.arch armv7e-m
   3              		.fpu fpv4-sp-d16
   4              		.eabi_attribute 27, 1
   5              		.eabi_attribute 28, 1
   6              		.eabi_attribute 20, 1
   7              		.eabi_attribute 21, 1
   8              		.eabi_attribute 23, 3
   9              		.eabi_attribute 24, 1
  10              		.eabi_attribute 25, 1
  11              		.eabi_attribute 26, 1
  12              		.eabi_attribute 30, 6
  13              		.eabi_attribute 34, 1
  14              		.eabi_attribute 18, 4
  15              		.file	"rkfifo.c"
  16              		.text
  17              	.Ltext0:
  18              		.cfi_sections	.debug_frame
  19              		.section	.text.fls_int,"ax",%progbits
  20              		.align	1
  21              		.syntax unified
  22              		.thumb
  23              		.thumb_func
  25              	fls_int:
  26              	.LFB0:
  27              		.file 1 "user_src/rkfifo.c"
   1:user_src/rkfifo.c **** #include "rkfifo.h"
   2:user_src/rkfifo.c **** #include <string.h>
   3:user_src/rkfifo.c **** 
   4:user_src/rkfifo.c **** #define min(x,y)                                                               \
   5:user_src/rkfifo.c ****     ({                                                                         \
   6:user_src/rkfifo.c ****         typeof(x) _min1 = x;                                                   \
   7:user_src/rkfifo.c ****         typeof(y) _min2 = y;                                                   \
   8:user_src/rkfifo.c ****         (void)(&_min1 == &_min2);                                              \
   9:user_src/rkfifo.c ****         _min1 < _min2 ? _min1 : _min2;                                         \
  10:user_src/rkfifo.c ****     })
  11:user_src/rkfifo.c **** 
  12:user_src/rkfifo.c **** #define max(x,y)                                                               \
  13:user_src/rkfifo.c ****     ({                                                                         \
  14:user_src/rkfifo.c ****         typeof(x) _max1 = x;                                                   \
  15:user_src/rkfifo.c ****         typeof(y) _max2 = y;                                                   \
  16:user_src/rkfifo.c ****         (void)(&_max1 == &_max2);                                              \
  17:user_src/rkfifo.c ****         _max1 > _max2 ? _max1 : _max2;                                         \
  18:user_src/rkfifo.c ****     })
  19:user_src/rkfifo.c **** 
  20:user_src/rkfifo.c **** /* 检查是否是 2 的幂次数 */
  21:user_src/rkfifo.c **** #define is_power_of_2(x) ((x) != 0 && (((x) & ((x)-1)) == 0))
  22:user_src/rkfifo.c **** 
  23:user_src/rkfifo.c **** /**
  24:user_src/rkfifo.c ****  * @brief 返回输入参数的最高有效 bit 位
  25:user_src/rkfifo.c ****  *
  26:user_src/rkfifo.c ****  * @param x 输入参数
  27:user_src/rkfifo.c ****  * @return int 最高有效 bit 位, 从低到高 1~32, 0 表示无输入参数为 0
  28:user_src/rkfifo.c ****  */
  29:user_src/rkfifo.c **** static inline int fls_int(int x)
  30:user_src/rkfifo.c **** {
  28              		.loc 1 30 1
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 2


  29              		.cfi_startproc
  30              		@ args = 0, pretend = 0, frame = 16
  31              		@ frame_needed = 1, uses_anonymous_args = 0
  32              		@ link register save eliminated.
  33 0000 80B4     		push	{r7}
  34              	.LCFI0:
  35              		.cfi_def_cfa_offset 4
  36              		.cfi_offset 7, -4
  37 0002 85B0     		sub	sp, sp, #20
  38              	.LCFI1:
  39              		.cfi_def_cfa_offset 24
  40 0004 00AF     		add	r7, sp, #0
  41              	.LCFI2:
  42              		.cfi_def_cfa_register 7
  43 0006 7860     		str	r0, [r7, #4]
  31:user_src/rkfifo.c ****     int r = 32;
  44              		.loc 1 31 9
  45 0008 2023     		movs	r3, #32
  46 000a FB60     		str	r3, [r7, #12]
  32:user_src/rkfifo.c **** 
  33:user_src/rkfifo.c ****     if (!x)
  47              		.loc 1 33 8
  48 000c 7B68     		ldr	r3, [r7, #4]
  49 000e 002B     		cmp	r3, #0
  50 0010 01D1     		bne	.L2
  34:user_src/rkfifo.c ****         return 0;
  51              		.loc 1 34 16
  52 0012 0023     		movs	r3, #0
  53 0014 35E0     		b	.L3
  54              	.L2:
  35:user_src/rkfifo.c ****     if (!(x & 0xffff0000u))
  55              		.loc 1 35 13
  56 0016 7B68     		ldr	r3, [r7, #4]
  57 0018 1B0C     		lsrs	r3, r3, #16
  58 001a 1B04     		lsls	r3, r3, #16
  59              		.loc 1 35 8
  60 001c 002B     		cmp	r3, #0
  61 001e 05D1     		bne	.L4
  36:user_src/rkfifo.c ****     {
  37:user_src/rkfifo.c ****         x <<= 16;
  62              		.loc 1 37 11
  63 0020 7B68     		ldr	r3, [r7, #4]
  64 0022 1B04     		lsls	r3, r3, #16
  65 0024 7B60     		str	r3, [r7, #4]
  38:user_src/rkfifo.c ****         r -= 16;
  66              		.loc 1 38 11
  67 0026 FB68     		ldr	r3, [r7, #12]
  68 0028 103B     		subs	r3, r3, #16
  69 002a FB60     		str	r3, [r7, #12]
  70              	.L4:
  39:user_src/rkfifo.c ****     }
  40:user_src/rkfifo.c ****     if (!(x & 0xff000000u))
  71              		.loc 1 40 13
  72 002c 7B68     		ldr	r3, [r7, #4]
  73 002e 03F07F43 		and	r3, r3, #-16777216
  74              		.loc 1 40 8
  75 0032 002B     		cmp	r3, #0
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 3


  76 0034 05D1     		bne	.L5
  41:user_src/rkfifo.c ****     {
  42:user_src/rkfifo.c ****         x <<= 8;
  77              		.loc 1 42 11
  78 0036 7B68     		ldr	r3, [r7, #4]
  79 0038 1B02     		lsls	r3, r3, #8
  80 003a 7B60     		str	r3, [r7, #4]
  43:user_src/rkfifo.c ****         r -= 8;
  81              		.loc 1 43 11
  82 003c FB68     		ldr	r3, [r7, #12]
  83 003e 083B     		subs	r3, r3, #8
  84 0040 FB60     		str	r3, [r7, #12]
  85              	.L5:
  44:user_src/rkfifo.c ****     }
  45:user_src/rkfifo.c ****     if (!(x & 0xf0000000u))
  86              		.loc 1 45 13
  87 0042 7B68     		ldr	r3, [r7, #4]
  88 0044 03F07043 		and	r3, r3, #-268435456
  89              		.loc 1 45 8
  90 0048 002B     		cmp	r3, #0
  91 004a 05D1     		bne	.L6
  46:user_src/rkfifo.c ****     {
  47:user_src/rkfifo.c ****         x <<= 4;
  92              		.loc 1 47 11
  93 004c 7B68     		ldr	r3, [r7, #4]
  94 004e 1B01     		lsls	r3, r3, #4
  95 0050 7B60     		str	r3, [r7, #4]
  48:user_src/rkfifo.c ****         r -= 4;
  96              		.loc 1 48 11
  97 0052 FB68     		ldr	r3, [r7, #12]
  98 0054 043B     		subs	r3, r3, #4
  99 0056 FB60     		str	r3, [r7, #12]
 100              	.L6:
  49:user_src/rkfifo.c ****     }
  50:user_src/rkfifo.c ****     if (!(x & 0xc0000000u))
 101              		.loc 1 50 13
 102 0058 7B68     		ldr	r3, [r7, #4]
 103 005a 03F04043 		and	r3, r3, #-1073741824
 104              		.loc 1 50 8
 105 005e 002B     		cmp	r3, #0
 106 0060 05D1     		bne	.L7
  51:user_src/rkfifo.c ****     {
  52:user_src/rkfifo.c ****         x <<= 2;
 107              		.loc 1 52 11
 108 0062 7B68     		ldr	r3, [r7, #4]
 109 0064 9B00     		lsls	r3, r3, #2
 110 0066 7B60     		str	r3, [r7, #4]
  53:user_src/rkfifo.c ****         r -= 2;
 111              		.loc 1 53 11
 112 0068 FB68     		ldr	r3, [r7, #12]
 113 006a 023B     		subs	r3, r3, #2
 114 006c FB60     		str	r3, [r7, #12]
 115              	.L7:
  54:user_src/rkfifo.c ****     }
  55:user_src/rkfifo.c ****     if (!(x & 0x80000000u))
 116              		.loc 1 55 8
 117 006e 7B68     		ldr	r3, [r7, #4]
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 4


 118 0070 002B     		cmp	r3, #0
 119 0072 05DB     		blt	.L8
  56:user_src/rkfifo.c ****     {
  57:user_src/rkfifo.c ****         x <<= 1;
 120              		.loc 1 57 11
 121 0074 7B68     		ldr	r3, [r7, #4]
 122 0076 5B00     		lsls	r3, r3, #1
 123 0078 7B60     		str	r3, [r7, #4]
  58:user_src/rkfifo.c ****         r -= 1;
 124              		.loc 1 58 11
 125 007a FB68     		ldr	r3, [r7, #12]
 126 007c 013B     		subs	r3, r3, #1
 127 007e FB60     		str	r3, [r7, #12]
 128              	.L8:
  59:user_src/rkfifo.c ****     }
  60:user_src/rkfifo.c ****     return r;
 129              		.loc 1 60 12
 130 0080 FB68     		ldr	r3, [r7, #12]
 131              	.L3:
  61:user_src/rkfifo.c **** }
 132              		.loc 1 61 1
 133 0082 1846     		mov	r0, r3
 134 0084 1437     		adds	r7, r7, #20
 135              	.LCFI3:
 136              		.cfi_def_cfa_offset 4
 137 0086 BD46     		mov	sp, r7
 138              	.LCFI4:
 139              		.cfi_def_cfa_register 13
 140              		@ sp needed
 141 0088 5DF8047B 		ldr	r7, [sp], #4
 142              	.LCFI5:
 143              		.cfi_restore 7
 144              		.cfi_def_cfa_offset 0
 145 008c 7047     		bx	lr
 146              		.cfi_endproc
 147              	.LFE0:
 149              		.section	.text.rounddown_pow_of_two,"ax",%progbits
 150              		.align	1
 151              		.syntax unified
 152              		.thumb
 153              		.thumb_func
 155              	rounddown_pow_of_two:
 156              	.LFB1:
  62:user_src/rkfifo.c **** 
  63:user_src/rkfifo.c **** /**
  64:user_src/rkfifo.c ****  * @brief 找到 n 向下取最大的 2 的幂次数
  65:user_src/rkfifo.c ****  *
  66:user_src/rkfifo.c ****  * @param n 输入整数 n
  67:user_src/rkfifo.c ****  * @return uint32_t n 向下取最大的 2 的幂次数
  68:user_src/rkfifo.c ****  */
  69:user_src/rkfifo.c **** static inline uint32_t rounddown_pow_of_two(uint32_t n)
  70:user_src/rkfifo.c **** {
 157              		.loc 1 70 1
 158              		.cfi_startproc
 159              		@ args = 0, pretend = 0, frame = 8
 160              		@ frame_needed = 1, uses_anonymous_args = 0
 161 0000 80B5     		push	{r7, lr}
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 5


 162              	.LCFI6:
 163              		.cfi_def_cfa_offset 8
 164              		.cfi_offset 7, -8
 165              		.cfi_offset 14, -4
 166 0002 82B0     		sub	sp, sp, #8
 167              	.LCFI7:
 168              		.cfi_def_cfa_offset 16
 169 0004 00AF     		add	r7, sp, #0
 170              	.LCFI8:
 171              		.cfi_def_cfa_register 7
 172 0006 7860     		str	r0, [r7, #4]
  71:user_src/rkfifo.c ****     if (0 == n || is_power_of_2(n))
 173              		.loc 1 71 8
 174 0008 7B68     		ldr	r3, [r7, #4]
 175 000a 002B     		cmp	r3, #0
 176 000c 08D0     		beq	.L10
 177              		.loc 1 71 16 discriminator 1
 178 000e 7B68     		ldr	r3, [r7, #4]
 179 0010 002B     		cmp	r3, #0
 180 0012 07D0     		beq	.L11
 181              		.loc 1 71 19 discriminator 2
 182 0014 7B68     		ldr	r3, [r7, #4]
 183 0016 5A1E     		subs	r2, r3, #1
 184 0018 7B68     		ldr	r3, [r7, #4]
 185 001a 1340     		ands	r3, r3, r2
 186 001c 002B     		cmp	r3, #0
 187 001e 01D1     		bne	.L11
 188              	.L10:
  72:user_src/rkfifo.c ****     {
  73:user_src/rkfifo.c ****         return n;
 189              		.loc 1 73 16
 190 0020 7B68     		ldr	r3, [r7, #4]
 191 0022 08E0     		b	.L12
 192              	.L11:
  74:user_src/rkfifo.c ****     }
  75:user_src/rkfifo.c ****     else
  76:user_src/rkfifo.c ****     {
  77:user_src/rkfifo.c ****         return 1 << (fls_int(n) - 1);
 193              		.loc 1 77 22
 194 0024 7B68     		ldr	r3, [r7, #4]
 195 0026 1846     		mov	r0, r3
 196 0028 FFF7FEFF 		bl	fls_int
 197 002c 0346     		mov	r3, r0
 198              		.loc 1 77 33
 199 002e 013B     		subs	r3, r3, #1
 200              		.loc 1 77 18
 201 0030 0122     		movs	r2, #1
 202 0032 02FA03F3 		lsl	r3, r2, r3
 203              	.L12:
  78:user_src/rkfifo.c ****     }
  79:user_src/rkfifo.c **** }
 204              		.loc 1 79 1
 205 0036 1846     		mov	r0, r3
 206 0038 0837     		adds	r7, r7, #8
 207              	.LCFI9:
 208              		.cfi_def_cfa_offset 8
 209 003a BD46     		mov	sp, r7
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 6


 210              	.LCFI10:
 211              		.cfi_def_cfa_register 13
 212              		@ sp needed
 213 003c 80BD     		pop	{r7, pc}
 214              		.cfi_endproc
 215              	.LFE1:
 217              		.section	.text.kfifo_unused,"ax",%progbits
 218              		.align	1
 219              		.syntax unified
 220              		.thumb
 221              		.thumb_func
 223              	kfifo_unused:
 224              	.LFB2:
  80:user_src/rkfifo.c **** 
  81:user_src/rkfifo.c **** /**
  82:user_src/rkfifo.c ****  * @brief 查找 fifo 中的剩余空间
  83:user_src/rkfifo.c ****  * 
  84:user_src/rkfifo.c ****  * @param fifo 
  85:user_src/rkfifo.c ****  * @return unsigned int 
  86:user_src/rkfifo.c ****  */
  87:user_src/rkfifo.c **** static inline unsigned int kfifo_unused(rkfifo_t *fifo)
  88:user_src/rkfifo.c **** {
 225              		.loc 1 88 1
 226              		.cfi_startproc
 227              		@ args = 0, pretend = 0, frame = 8
 228              		@ frame_needed = 1, uses_anonymous_args = 0
 229              		@ link register save eliminated.
 230 0000 80B4     		push	{r7}
 231              	.LCFI11:
 232              		.cfi_def_cfa_offset 4
 233              		.cfi_offset 7, -4
 234 0002 83B0     		sub	sp, sp, #12
 235              	.LCFI12:
 236              		.cfi_def_cfa_offset 16
 237 0004 00AF     		add	r7, sp, #0
 238              	.LCFI13:
 239              		.cfi_def_cfa_register 7
 240 0006 7860     		str	r0, [r7, #4]
  89:user_src/rkfifo.c ****     return (fifo->mask + 1) - (fifo->in - fifo->out);
 241              		.loc 1 89 17
 242 0008 7B68     		ldr	r3, [r7, #4]
 243 000a 9A68     		ldr	r2, [r3, #8]
 244              		.loc 1 89 47
 245 000c 7B68     		ldr	r3, [r7, #4]
 246 000e 5968     		ldr	r1, [r3, #4]
 247              		.loc 1 89 36
 248 0010 7B68     		ldr	r3, [r7, #4]
 249 0012 1B68     		ldr	r3, [r3]
 250              		.loc 1 89 41
 251 0014 CB1A     		subs	r3, r1, r3
 252              		.loc 1 89 29
 253 0016 1344     		add	r3, r3, r2
 254 0018 0133     		adds	r3, r3, #1
  90:user_src/rkfifo.c **** }
 255              		.loc 1 90 1
 256 001a 1846     		mov	r0, r3
 257 001c 0C37     		adds	r7, r7, #12
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 7


 258              	.LCFI14:
 259              		.cfi_def_cfa_offset 4
 260 001e BD46     		mov	sp, r7
 261              	.LCFI15:
 262              		.cfi_def_cfa_register 13
 263              		@ sp needed
 264 0020 5DF8047B 		ldr	r7, [sp], #4
 265              	.LCFI16:
 266              		.cfi_restore 7
 267              		.cfi_def_cfa_offset 0
 268 0024 7047     		bx	lr
 269              		.cfi_endproc
 270              	.LFE2:
 272              		.section	.text.rkfifo_init,"ax",%progbits
 273              		.align	1
 274              		.global	rkfifo_init
 275              		.syntax unified
 276              		.thumb
 277              		.thumb_func
 279              	rkfifo_init:
 280              	.LFB3:
  91:user_src/rkfifo.c **** 
  92:user_src/rkfifo.c **** int rkfifo_init(rkfifo_t *fifo, void *buffer, uint32_t size, uint32_t esize)
  93:user_src/rkfifo.c **** {
 281              		.loc 1 93 1
 282              		.cfi_startproc
 283              		@ args = 0, pretend = 0, frame = 16
 284              		@ frame_needed = 1, uses_anonymous_args = 0
 285 0000 80B5     		push	{r7, lr}
 286              	.LCFI17:
 287              		.cfi_def_cfa_offset 8
 288              		.cfi_offset 7, -8
 289              		.cfi_offset 14, -4
 290 0002 84B0     		sub	sp, sp, #16
 291              	.LCFI18:
 292              		.cfi_def_cfa_offset 24
 293 0004 00AF     		add	r7, sp, #0
 294              	.LCFI19:
 295              		.cfi_def_cfa_register 7
 296 0006 F860     		str	r0, [r7, #12]
 297 0008 B960     		str	r1, [r7, #8]
 298 000a 7A60     		str	r2, [r7, #4]
 299 000c 3B60     		str	r3, [r7]
  94:user_src/rkfifo.c ****     size /= esize;
 300              		.loc 1 94 10
 301 000e 7A68     		ldr	r2, [r7, #4]
 302 0010 3B68     		ldr	r3, [r7]
 303 0012 B2FBF3F3 		udiv	r3, r2, r3
 304 0016 7B60     		str	r3, [r7, #4]
  95:user_src/rkfifo.c **** 
  96:user_src/rkfifo.c ****     /* size 必须是 2 的幂次数 */
  97:user_src/rkfifo.c ****     if (!is_power_of_2(size))
 305              		.loc 1 97 8
 306 0018 7B68     		ldr	r3, [r7, #4]
 307 001a 002B     		cmp	r3, #0
 308 001c 05D0     		beq	.L16
 309              		.loc 1 97 10 discriminator 1
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 8


 310 001e 7B68     		ldr	r3, [r7, #4]
 311 0020 5A1E     		subs	r2, r3, #1
 312 0022 7B68     		ldr	r3, [r7, #4]
 313 0024 1340     		ands	r3, r3, r2
 314              		.loc 1 97 9 discriminator 1
 315 0026 002B     		cmp	r3, #0
 316 0028 03D0     		beq	.L17
 317              	.L16:
  98:user_src/rkfifo.c ****     {
  99:user_src/rkfifo.c ****         size = rounddown_pow_of_two(size);
 318              		.loc 1 99 16
 319 002a 7868     		ldr	r0, [r7, #4]
 320 002c FFF7FEFF 		bl	rounddown_pow_of_two
 321 0030 7860     		str	r0, [r7, #4]
 322              	.L17:
 100:user_src/rkfifo.c ****     }
 101:user_src/rkfifo.c **** 
 102:user_src/rkfifo.c ****     fifo->in = 0;
 323              		.loc 1 102 14
 324 0032 FB68     		ldr	r3, [r7, #12]
 325 0034 0022     		movs	r2, #0
 326 0036 1A60     		str	r2, [r3]
 103:user_src/rkfifo.c ****     fifo->out = 0;
 327              		.loc 1 103 15
 328 0038 FB68     		ldr	r3, [r7, #12]
 329 003a 0022     		movs	r2, #0
 330 003c 5A60     		str	r2, [r3, #4]
 104:user_src/rkfifo.c ****     fifo->esize = esize;
 331              		.loc 1 104 17
 332 003e FB68     		ldr	r3, [r7, #12]
 333 0040 3A68     		ldr	r2, [r7]
 334 0042 DA60     		str	r2, [r3, #12]
 105:user_src/rkfifo.c ****     fifo->data = buffer;
 335              		.loc 1 105 16
 336 0044 FB68     		ldr	r3, [r7, #12]
 337 0046 BA68     		ldr	r2, [r7, #8]
 338 0048 1A61     		str	r2, [r3, #16]
 106:user_src/rkfifo.c **** 
 107:user_src/rkfifo.c ****     if (size < 2)
 339              		.loc 1 107 8
 340 004a 7B68     		ldr	r3, [r7, #4]
 341 004c 012B     		cmp	r3, #1
 342 004e 05D8     		bhi	.L18
 108:user_src/rkfifo.c ****     {
 109:user_src/rkfifo.c ****         fifo->mask = 0;
 343              		.loc 1 109 20
 344 0050 FB68     		ldr	r3, [r7, #12]
 345 0052 0022     		movs	r2, #0
 346 0054 9A60     		str	r2, [r3, #8]
 110:user_src/rkfifo.c ****         return -RKFIFO_EINVAL;
 347              		.loc 1 110 16
 348 0056 6FF01503 		mvn	r3, #21
 349 005a 04E0     		b	.L19
 350              	.L18:
 111:user_src/rkfifo.c ****     }
 112:user_src/rkfifo.c **** 
 113:user_src/rkfifo.c ****     fifo->mask = size - 1;
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 9


 351              		.loc 1 113 23
 352 005c 7B68     		ldr	r3, [r7, #4]
 353 005e 5A1E     		subs	r2, r3, #1
 354              		.loc 1 113 16
 355 0060 FB68     		ldr	r3, [r7, #12]
 356 0062 9A60     		str	r2, [r3, #8]
 114:user_src/rkfifo.c **** 
 115:user_src/rkfifo.c ****     return 0;
 357              		.loc 1 115 12
 358 0064 0023     		movs	r3, #0
 359              	.L19:
 116:user_src/rkfifo.c **** }
 360              		.loc 1 116 1
 361 0066 1846     		mov	r0, r3
 362 0068 1037     		adds	r7, r7, #16
 363              	.LCFI20:
 364              		.cfi_def_cfa_offset 8
 365 006a BD46     		mov	sp, r7
 366              	.LCFI21:
 367              		.cfi_def_cfa_register 13
 368              		@ sp needed
 369 006c 80BD     		pop	{r7, pc}
 370              		.cfi_endproc
 371              	.LFE3:
 373              		.section	.text.__rkfifo_copy_in,"ax",%progbits
 374              		.align	1
 375              		.syntax unified
 376              		.thumb
 377              		.thumb_func
 379              	__rkfifo_copy_in:
 380              	.LFB4:
 117:user_src/rkfifo.c **** 
 118:user_src/rkfifo.c **** static void __rkfifo_copy_in(rkfifo_t *fifo, const void *src, unsigned int len,
 119:user_src/rkfifo.c ****                             unsigned int offset)
 120:user_src/rkfifo.c **** {
 381              		.loc 1 120 1
 382              		.cfi_startproc
 383              		@ args = 0, pretend = 0, frame = 40
 384              		@ frame_needed = 1, uses_anonymous_args = 0
 385 0000 80B5     		push	{r7, lr}
 386              	.LCFI22:
 387              		.cfi_def_cfa_offset 8
 388              		.cfi_offset 7, -8
 389              		.cfi_offset 14, -4
 390 0002 8AB0     		sub	sp, sp, #40
 391              	.LCFI23:
 392              		.cfi_def_cfa_offset 48
 393 0004 00AF     		add	r7, sp, #0
 394              	.LCFI24:
 395              		.cfi_def_cfa_register 7
 396 0006 F860     		str	r0, [r7, #12]
 397 0008 B960     		str	r1, [r7, #8]
 398 000a 7A60     		str	r2, [r7, #4]
 399 000c 3B60     		str	r3, [r7]
 121:user_src/rkfifo.c ****     unsigned int size = fifo->mask + 1;
 400              		.loc 1 121 29
 401 000e FB68     		ldr	r3, [r7, #12]
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 10


 402 0010 9B68     		ldr	r3, [r3, #8]
 403              		.loc 1 121 18
 404 0012 0133     		adds	r3, r3, #1
 405 0014 7B62     		str	r3, [r7, #36]
 122:user_src/rkfifo.c ****     unsigned int esize = fifo->esize;
 406              		.loc 1 122 18
 407 0016 FB68     		ldr	r3, [r7, #12]
 408 0018 DB68     		ldr	r3, [r3, #12]
 409 001a 3B62     		str	r3, [r7, #32]
 123:user_src/rkfifo.c ****     unsigned int l;
 124:user_src/rkfifo.c **** 
 125:user_src/rkfifo.c ****     offset &= fifo->mask;
 410              		.loc 1 125 19
 411 001c FB68     		ldr	r3, [r7, #12]
 412 001e 9B68     		ldr	r3, [r3, #8]
 413              		.loc 1 125 12
 414 0020 3A68     		ldr	r2, [r7]
 415 0022 1340     		ands	r3, r3, r2
 416 0024 3B60     		str	r3, [r7]
 126:user_src/rkfifo.c ****     if (esize != 1)
 417              		.loc 1 126 8
 418 0026 3B6A     		ldr	r3, [r7, #32]
 419 0028 012B     		cmp	r3, #1
 420 002a 0ED0     		beq	.L21
 127:user_src/rkfifo.c ****     {
 128:user_src/rkfifo.c ****         offset *= esize;
 421              		.loc 1 128 16
 422 002c 3B68     		ldr	r3, [r7]
 423 002e 3A6A     		ldr	r2, [r7, #32]
 424 0030 02FB03F3 		mul	r3, r2, r3
 425 0034 3B60     		str	r3, [r7]
 129:user_src/rkfifo.c ****         size *= esize;
 426              		.loc 1 129 14
 427 0036 7B6A     		ldr	r3, [r7, #36]
 428 0038 3A6A     		ldr	r2, [r7, #32]
 429 003a 02FB03F3 		mul	r3, r2, r3
 430 003e 7B62     		str	r3, [r7, #36]
 130:user_src/rkfifo.c ****         len *= esize;
 431              		.loc 1 130 13
 432 0040 7B68     		ldr	r3, [r7, #4]
 433 0042 3A6A     		ldr	r2, [r7, #32]
 434 0044 02FB03F3 		mul	r3, r2, r3
 435 0048 7B60     		str	r3, [r7, #4]
 436              	.L21:
 437              	.LBB2:
 131:user_src/rkfifo.c ****     }
 132:user_src/rkfifo.c ****     l = min(len, size - offset);
 438              		.loc 1 132 9
 439 004a 7B68     		ldr	r3, [r7, #4]
 440 004c BB61     		str	r3, [r7, #24]
 441 004e 7A6A     		ldr	r2, [r7, #36]
 442 0050 3B68     		ldr	r3, [r7]
 443 0052 D31A     		subs	r3, r2, r3
 444 0054 7B61     		str	r3, [r7, #20]
 445 0056 7A69     		ldr	r2, [r7, #20]
 446 0058 BB69     		ldr	r3, [r7, #24]
 447 005a 9342     		cmp	r3, r2
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 11


 448 005c 28BF     		it	cs
 449 005e 1346     		movcs	r3, r2
 450              	.LBE2:
 451              		.loc 1 132 7
 452 0060 FB61     		str	r3, [r7, #28]
 133:user_src/rkfifo.c **** 
 134:user_src/rkfifo.c ****     memcpy((uint8_t*)fifo->data + offset, src, l);
 453              		.loc 1 134 26
 454 0062 FB68     		ldr	r3, [r7, #12]
 455 0064 1A69     		ldr	r2, [r3, #16]
 456              		.loc 1 134 5
 457 0066 3B68     		ldr	r3, [r7]
 458 0068 1344     		add	r3, r3, r2
 459 006a FA69     		ldr	r2, [r7, #28]
 460 006c B968     		ldr	r1, [r7, #8]
 461 006e 1846     		mov	r0, r3
 462 0070 FFF7FEFF 		bl	memcpy
 135:user_src/rkfifo.c ****     memcpy(fifo->data, (uint8_t*)src + l, len - l);
 463              		.loc 1 135 5
 464 0074 FB68     		ldr	r3, [r7, #12]
 465 0076 1869     		ldr	r0, [r3, #16]
 466 0078 BA68     		ldr	r2, [r7, #8]
 467 007a FB69     		ldr	r3, [r7, #28]
 468 007c D118     		adds	r1, r2, r3
 469 007e 7A68     		ldr	r2, [r7, #4]
 470 0080 FB69     		ldr	r3, [r7, #28]
 471 0082 D31A     		subs	r3, r2, r3
 472 0084 1A46     		mov	r2, r3
 473 0086 FFF7FEFF 		bl	memcpy
 136:user_src/rkfifo.c **** 
 137:user_src/rkfifo.c ****     /* 多核处理器需要内存屏障 */
 138:user_src/rkfifo.c ****     /* smp_wmb(); */
 139:user_src/rkfifo.c **** }
 474              		.loc 1 139 1
 475 008a 00BF     		nop
 476 008c 2837     		adds	r7, r7, #40
 477              	.LCFI25:
 478              		.cfi_def_cfa_offset 8
 479 008e BD46     		mov	sp, r7
 480              	.LCFI26:
 481              		.cfi_def_cfa_register 13
 482              		@ sp needed
 483 0090 80BD     		pop	{r7, pc}
 484              		.cfi_endproc
 485              	.LFE4:
 487              		.section	.text.rkfifo_in,"ax",%progbits
 488              		.align	1
 489              		.global	rkfifo_in
 490              		.syntax unified
 491              		.thumb
 492              		.thumb_func
 494              	rkfifo_in:
 495              	.LFB5:
 140:user_src/rkfifo.c **** 
 141:user_src/rkfifo.c **** unsigned int rkfifo_in(rkfifo_t *fifo, const void *buf, unsigned int len)
 142:user_src/rkfifo.c **** {
 496              		.loc 1 142 1
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 12


 497              		.cfi_startproc
 498              		@ args = 0, pretend = 0, frame = 24
 499              		@ frame_needed = 1, uses_anonymous_args = 0
 500 0000 80B5     		push	{r7, lr}
 501              	.LCFI27:
 502              		.cfi_def_cfa_offset 8
 503              		.cfi_offset 7, -8
 504              		.cfi_offset 14, -4
 505 0002 86B0     		sub	sp, sp, #24
 506              	.LCFI28:
 507              		.cfi_def_cfa_offset 32
 508 0004 00AF     		add	r7, sp, #0
 509              	.LCFI29:
 510              		.cfi_def_cfa_register 7
 511 0006 F860     		str	r0, [r7, #12]
 512 0008 B960     		str	r1, [r7, #8]
 513 000a 7A60     		str	r2, [r7, #4]
 143:user_src/rkfifo.c ****     unsigned int l;
 144:user_src/rkfifo.c **** 
 145:user_src/rkfifo.c ****     l = kfifo_unused(fifo);
 514              		.loc 1 145 9
 515 000c F868     		ldr	r0, [r7, #12]
 516 000e FFF7FEFF 		bl	kfifo_unused
 517 0012 7861     		str	r0, [r7, #20]
 146:user_src/rkfifo.c ****     
 147:user_src/rkfifo.c ****     if (len > l)
 518              		.loc 1 147 8
 519 0014 7A68     		ldr	r2, [r7, #4]
 520 0016 7B69     		ldr	r3, [r7, #20]
 521 0018 9A42     		cmp	r2, r3
 522 001a 06D9     		bls	.L23
 148:user_src/rkfifo.c ****     {
 149:user_src/rkfifo.c ****         len = l;
 523              		.loc 1 149 13
 524 001c 7B69     		ldr	r3, [r7, #20]
 525 001e 7B60     		str	r3, [r7, #4]
 150:user_src/rkfifo.c ****         fifo->error++;
 526              		.loc 1 150 13
 527 0020 FB68     		ldr	r3, [r7, #12]
 528 0022 5B69     		ldr	r3, [r3, #20]
 529              		.loc 1 150 20
 530 0024 5A1C     		adds	r2, r3, #1
 531 0026 FB68     		ldr	r3, [r7, #12]
 532 0028 5A61     		str	r2, [r3, #20]
 533              	.L23:
 151:user_src/rkfifo.c ****     }
 152:user_src/rkfifo.c **** 
 153:user_src/rkfifo.c ****     __rkfifo_copy_in(fifo, buf, len, fifo->in);
 534              		.loc 1 153 42
 535 002a FB68     		ldr	r3, [r7, #12]
 536 002c 1B68     		ldr	r3, [r3]
 537              		.loc 1 153 5
 538 002e 7A68     		ldr	r2, [r7, #4]
 539 0030 B968     		ldr	r1, [r7, #8]
 540 0032 F868     		ldr	r0, [r7, #12]
 541 0034 FFF7FEFF 		bl	__rkfifo_copy_in
 154:user_src/rkfifo.c ****     fifo->in += len;
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 13


 542              		.loc 1 154 14
 543 0038 FB68     		ldr	r3, [r7, #12]
 544 003a 1A68     		ldr	r2, [r3]
 545 003c 7B68     		ldr	r3, [r7, #4]
 546 003e 1A44     		add	r2, r2, r3
 547 0040 FB68     		ldr	r3, [r7, #12]
 548 0042 1A60     		str	r2, [r3]
 155:user_src/rkfifo.c ****     return len;
 549              		.loc 1 155 12
 550 0044 7B68     		ldr	r3, [r7, #4]
 156:user_src/rkfifo.c **** }
 551              		.loc 1 156 1
 552 0046 1846     		mov	r0, r3
 553 0048 1837     		adds	r7, r7, #24
 554              	.LCFI30:
 555              		.cfi_def_cfa_offset 8
 556 004a BD46     		mov	sp, r7
 557              	.LCFI31:
 558              		.cfi_def_cfa_register 13
 559              		@ sp needed
 560 004c 80BD     		pop	{r7, pc}
 561              		.cfi_endproc
 562              	.LFE5:
 564              		.section	.text.__rkfifo_copy_out,"ax",%progbits
 565              		.align	1
 566              		.syntax unified
 567              		.thumb
 568              		.thumb_func
 570              	__rkfifo_copy_out:
 571              	.LFB6:
 157:user_src/rkfifo.c **** 
 158:user_src/rkfifo.c **** static void __rkfifo_copy_out(rkfifo_t *fifo, void *dst, unsigned int len,
 159:user_src/rkfifo.c ****                               unsigned int off)
 160:user_src/rkfifo.c **** {
 572              		.loc 1 160 1
 573              		.cfi_startproc
 574              		@ args = 0, pretend = 0, frame = 40
 575              		@ frame_needed = 1, uses_anonymous_args = 0
 576 0000 80B5     		push	{r7, lr}
 577              	.LCFI32:
 578              		.cfi_def_cfa_offset 8
 579              		.cfi_offset 7, -8
 580              		.cfi_offset 14, -4
 581 0002 8AB0     		sub	sp, sp, #40
 582              	.LCFI33:
 583              		.cfi_def_cfa_offset 48
 584 0004 00AF     		add	r7, sp, #0
 585              	.LCFI34:
 586              		.cfi_def_cfa_register 7
 587 0006 F860     		str	r0, [r7, #12]
 588 0008 B960     		str	r1, [r7, #8]
 589 000a 7A60     		str	r2, [r7, #4]
 590 000c 3B60     		str	r3, [r7]
 161:user_src/rkfifo.c ****     unsigned int size = fifo->mask + 1;
 591              		.loc 1 161 29
 592 000e FB68     		ldr	r3, [r7, #12]
 593 0010 9B68     		ldr	r3, [r3, #8]
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 14


 594              		.loc 1 161 18
 595 0012 0133     		adds	r3, r3, #1
 596 0014 7B62     		str	r3, [r7, #36]
 162:user_src/rkfifo.c ****     unsigned int esize = fifo->esize;
 597              		.loc 1 162 18
 598 0016 FB68     		ldr	r3, [r7, #12]
 599 0018 DB68     		ldr	r3, [r3, #12]
 600 001a 3B62     		str	r3, [r7, #32]
 163:user_src/rkfifo.c ****     unsigned int l;
 164:user_src/rkfifo.c **** 
 165:user_src/rkfifo.c ****     off &= fifo->mask;
 601              		.loc 1 165 16
 602 001c FB68     		ldr	r3, [r7, #12]
 603 001e 9B68     		ldr	r3, [r3, #8]
 604              		.loc 1 165 9
 605 0020 3A68     		ldr	r2, [r7]
 606 0022 1340     		ands	r3, r3, r2
 607 0024 3B60     		str	r3, [r7]
 166:user_src/rkfifo.c ****     if (esize != 1)
 608              		.loc 1 166 8
 609 0026 3B6A     		ldr	r3, [r7, #32]
 610 0028 012B     		cmp	r3, #1
 611 002a 0ED0     		beq	.L26
 167:user_src/rkfifo.c ****     {
 168:user_src/rkfifo.c ****         off *= esize;
 612              		.loc 1 168 13
 613 002c 3B68     		ldr	r3, [r7]
 614 002e 3A6A     		ldr	r2, [r7, #32]
 615 0030 02FB03F3 		mul	r3, r2, r3
 616 0034 3B60     		str	r3, [r7]
 169:user_src/rkfifo.c ****         size *= esize;
 617              		.loc 1 169 14
 618 0036 7B6A     		ldr	r3, [r7, #36]
 619 0038 3A6A     		ldr	r2, [r7, #32]
 620 003a 02FB03F3 		mul	r3, r2, r3
 621 003e 7B62     		str	r3, [r7, #36]
 170:user_src/rkfifo.c ****         len *= esize;
 622              		.loc 1 170 13
 623 0040 7B68     		ldr	r3, [r7, #4]
 624 0042 3A6A     		ldr	r2, [r7, #32]
 625 0044 02FB03F3 		mul	r3, r2, r3
 626 0048 7B60     		str	r3, [r7, #4]
 627              	.L26:
 628              	.LBB3:
 171:user_src/rkfifo.c ****     }
 172:user_src/rkfifo.c ****     l = min(len, size - off);
 629              		.loc 1 172 9
 630 004a 7B68     		ldr	r3, [r7, #4]
 631 004c BB61     		str	r3, [r7, #24]
 632 004e 7A6A     		ldr	r2, [r7, #36]
 633 0050 3B68     		ldr	r3, [r7]
 634 0052 D31A     		subs	r3, r2, r3
 635 0054 7B61     		str	r3, [r7, #20]
 636 0056 7A69     		ldr	r2, [r7, #20]
 637 0058 BB69     		ldr	r3, [r7, #24]
 638 005a 9342     		cmp	r3, r2
 639 005c 28BF     		it	cs
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 15


 640 005e 1346     		movcs	r3, r2
 641              	.LBE3:
 642              		.loc 1 172 7
 643 0060 FB61     		str	r3, [r7, #28]
 173:user_src/rkfifo.c **** 
 174:user_src/rkfifo.c ****     memcpy(dst, (uint8_t*)fifo->data + off, l);
 644              		.loc 1 174 31
 645 0062 FB68     		ldr	r3, [r7, #12]
 646 0064 1A69     		ldr	r2, [r3, #16]
 647              		.loc 1 174 5
 648 0066 3B68     		ldr	r3, [r7]
 649 0068 1344     		add	r3, r3, r2
 650 006a FA69     		ldr	r2, [r7, #28]
 651 006c 1946     		mov	r1, r3
 652 006e B868     		ldr	r0, [r7, #8]
 653 0070 FFF7FEFF 		bl	memcpy
 175:user_src/rkfifo.c ****     memcpy((uint8_t*)dst + l, fifo->data, len - l);
 654              		.loc 1 175 5
 655 0074 BA68     		ldr	r2, [r7, #8]
 656 0076 FB69     		ldr	r3, [r7, #28]
 657 0078 D018     		adds	r0, r2, r3
 658              		.loc 1 175 35
 659 007a FB68     		ldr	r3, [r7, #12]
 660 007c 1969     		ldr	r1, [r3, #16]
 661              		.loc 1 175 5
 662 007e 7A68     		ldr	r2, [r7, #4]
 663 0080 FB69     		ldr	r3, [r7, #28]
 664 0082 D31A     		subs	r3, r2, r3
 665 0084 1A46     		mov	r2, r3
 666 0086 FFF7FEFF 		bl	memcpy
 176:user_src/rkfifo.c **** 
 177:user_src/rkfifo.c ****     /* smp_wmb(); */
 178:user_src/rkfifo.c **** }
 667              		.loc 1 178 1
 668 008a 00BF     		nop
 669 008c 2837     		adds	r7, r7, #40
 670              	.LCFI35:
 671              		.cfi_def_cfa_offset 8
 672 008e BD46     		mov	sp, r7
 673              	.LCFI36:
 674              		.cfi_def_cfa_register 13
 675              		@ sp needed
 676 0090 80BD     		pop	{r7, pc}
 677              		.cfi_endproc
 678              	.LFE6:
 680              		.section	.text.rkfifo_out_peek,"ax",%progbits
 681              		.align	1
 682              		.global	rkfifo_out_peek
 683              		.syntax unified
 684              		.thumb
 685              		.thumb_func
 687              	rkfifo_out_peek:
 688              	.LFB7:
 179:user_src/rkfifo.c **** 
 180:user_src/rkfifo.c **** unsigned int rkfifo_out_peek(rkfifo_t *fifo, void *buf, unsigned int len)
 181:user_src/rkfifo.c **** {
 689              		.loc 1 181 1
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 16


 690              		.cfi_startproc
 691              		@ args = 0, pretend = 0, frame = 24
 692              		@ frame_needed = 1, uses_anonymous_args = 0
 693 0000 80B5     		push	{r7, lr}
 694              	.LCFI37:
 695              		.cfi_def_cfa_offset 8
 696              		.cfi_offset 7, -8
 697              		.cfi_offset 14, -4
 698 0002 86B0     		sub	sp, sp, #24
 699              	.LCFI38:
 700              		.cfi_def_cfa_offset 32
 701 0004 00AF     		add	r7, sp, #0
 702              	.LCFI39:
 703              		.cfi_def_cfa_register 7
 704 0006 F860     		str	r0, [r7, #12]
 705 0008 B960     		str	r1, [r7, #8]
 706 000a 7A60     		str	r2, [r7, #4]
 182:user_src/rkfifo.c ****     unsigned int l;
 183:user_src/rkfifo.c **** 
 184:user_src/rkfifo.c ****     l = fifo->in - fifo->out;
 707              		.loc 1 184 13
 708 000c FB68     		ldr	r3, [r7, #12]
 709 000e 1A68     		ldr	r2, [r3]
 710              		.loc 1 184 24
 711 0010 FB68     		ldr	r3, [r7, #12]
 712 0012 5B68     		ldr	r3, [r3, #4]
 713              		.loc 1 184 7
 714 0014 D31A     		subs	r3, r2, r3
 715 0016 7B61     		str	r3, [r7, #20]
 185:user_src/rkfifo.c ****     if (len > l)
 716              		.loc 1 185 8
 717 0018 7A68     		ldr	r2, [r7, #4]
 718 001a 7B69     		ldr	r3, [r7, #20]
 719 001c 9A42     		cmp	r2, r3
 720 001e 01D9     		bls	.L28
 186:user_src/rkfifo.c ****         len = l;
 721              		.loc 1 186 13
 722 0020 7B69     		ldr	r3, [r7, #20]
 723 0022 7B60     		str	r3, [r7, #4]
 724              	.L28:
 187:user_src/rkfifo.c **** 
 188:user_src/rkfifo.c ****     __rkfifo_copy_out(fifo, buf, len, fifo->out);
 725              		.loc 1 188 43
 726 0024 FB68     		ldr	r3, [r7, #12]
 727 0026 5B68     		ldr	r3, [r3, #4]
 728              		.loc 1 188 5
 729 0028 7A68     		ldr	r2, [r7, #4]
 730 002a B968     		ldr	r1, [r7, #8]
 731 002c F868     		ldr	r0, [r7, #12]
 732 002e FFF7FEFF 		bl	__rkfifo_copy_out
 189:user_src/rkfifo.c ****     return len;
 733              		.loc 1 189 12
 734 0032 7B68     		ldr	r3, [r7, #4]
 190:user_src/rkfifo.c **** }
 735              		.loc 1 190 1
 736 0034 1846     		mov	r0, r3
 737 0036 1837     		adds	r7, r7, #24
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 17


 738              	.LCFI40:
 739              		.cfi_def_cfa_offset 8
 740 0038 BD46     		mov	sp, r7
 741              	.LCFI41:
 742              		.cfi_def_cfa_register 13
 743              		@ sp needed
 744 003a 80BD     		pop	{r7, pc}
 745              		.cfi_endproc
 746              	.LFE7:
 748              		.section	.text.rkfifo_out,"ax",%progbits
 749              		.align	1
 750              		.global	rkfifo_out
 751              		.syntax unified
 752              		.thumb
 753              		.thumb_func
 755              	rkfifo_out:
 756              	.LFB8:
 191:user_src/rkfifo.c **** 
 192:user_src/rkfifo.c **** unsigned int rkfifo_out(rkfifo_t *fifo, void *buf, unsigned int len)
 193:user_src/rkfifo.c **** {
 757              		.loc 1 193 1
 758              		.cfi_startproc
 759              		@ args = 0, pretend = 0, frame = 16
 760              		@ frame_needed = 1, uses_anonymous_args = 0
 761 0000 80B5     		push	{r7, lr}
 762              	.LCFI42:
 763              		.cfi_def_cfa_offset 8
 764              		.cfi_offset 7, -8
 765              		.cfi_offset 14, -4
 766 0002 84B0     		sub	sp, sp, #16
 767              	.LCFI43:
 768              		.cfi_def_cfa_offset 24
 769 0004 00AF     		add	r7, sp, #0
 770              	.LCFI44:
 771              		.cfi_def_cfa_register 7
 772 0006 F860     		str	r0, [r7, #12]
 773 0008 B960     		str	r1, [r7, #8]
 774 000a 7A60     		str	r2, [r7, #4]
 194:user_src/rkfifo.c ****     len = rkfifo_out_peek(fifo, buf, len);
 775              		.loc 1 194 11
 776 000c 7A68     		ldr	r2, [r7, #4]
 777 000e B968     		ldr	r1, [r7, #8]
 778 0010 F868     		ldr	r0, [r7, #12]
 779 0012 FFF7FEFF 		bl	rkfifo_out_peek
 780 0016 7860     		str	r0, [r7, #4]
 195:user_src/rkfifo.c ****     fifo->out += len;
 781              		.loc 1 195 15
 782 0018 FB68     		ldr	r3, [r7, #12]
 783 001a 5A68     		ldr	r2, [r3, #4]
 784 001c 7B68     		ldr	r3, [r7, #4]
 785 001e 1A44     		add	r2, r2, r3
 786 0020 FB68     		ldr	r3, [r7, #12]
 787 0022 5A60     		str	r2, [r3, #4]
 196:user_src/rkfifo.c ****     return len;
 788              		.loc 1 196 12
 789 0024 7B68     		ldr	r3, [r7, #4]
 197:user_src/rkfifo.c **** }
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 18


 790              		.loc 1 197 1
 791 0026 1846     		mov	r0, r3
 792 0028 1037     		adds	r7, r7, #16
 793              	.LCFI45:
 794              		.cfi_def_cfa_offset 8
 795 002a BD46     		mov	sp, r7
 796              	.LCFI46:
 797              		.cfi_def_cfa_register 13
 798              		@ sp needed
 799 002c 80BD     		pop	{r7, pc}
 800              		.cfi_endproc
 801              	.LFE8:
 803              		.text
 804              	.Letext0:
 805              		.file 2 "d:\\arm-gcc\\arm-none-eabi\\include\\machine\\_default_types.h"
 806              		.file 3 "d:\\arm-gcc\\arm-none-eabi\\include\\sys\\_stdint.h"
 807              		.file 4 "user_inc/rkfifo.h"
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s 			page 19


DEFINED SYMBOLS
                            *ABS*:00000000 rkfifo.c
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:20     .text.fls_int:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:25     .text.fls_int:00000000 fls_int
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:150    .text.rounddown_pow_of_two:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:155    .text.rounddown_pow_of_two:00000000 rounddown_pow_of_two
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:218    .text.kfifo_unused:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:223    .text.kfifo_unused:00000000 kfifo_unused
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:273    .text.rkfifo_init:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:279    .text.rkfifo_init:00000000 rkfifo_init
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:374    .text.__rkfifo_copy_in:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:379    .text.__rkfifo_copy_in:00000000 __rkfifo_copy_in
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:488    .text.rkfifo_in:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:494    .text.rkfifo_in:00000000 rkfifo_in
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:565    .text.__rkfifo_copy_out:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:570    .text.__rkfifo_copy_out:00000000 __rkfifo_copy_out
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:681    .text.rkfifo_out_peek:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:687    .text.rkfifo_out_peek:00000000 rkfifo_out_peek
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:749    .text.rkfifo_out:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccd7h6eA.s:755    .text.rkfifo_out:00000000 rkfifo_out

UNDEFINED SYMBOLS
memcpy