📄 os_flag.txt
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; generated by ARM/Thumb C/C++ Compiler with , RVCT3.1 [Build 919] for uVision
; commandline ArmCC [--debug -c --asm --interleave -o.\output\os_flag.o --depend=.\output\os_flag.d --device=DARMSTM --apcs=interwork -O1 -I. -I..\BSP -I..\..\..\..\..\uCOS-II\Ports\arm-cortex-m3\Generic\RealView -I..\..\..\..\..\uCOS-II\Source -I..\..\..\..\..\CPU\ST\STM32\inc -I..\..\..\..\..\uC-CPU -I..\..\..\..\..\uC-CPU\Arm-Cortex-M3\RealView -I..\..\..\..\..\uC-LIB -IC:\Keil\ARM\INC\ST\STM32F10x --omf_browse=.\output\os_flag.crf ..\..\..\..\..\uCOS-II\Source\os_flag.c]
THUMB
AREA ||.text||, CODE, READONLY, ALIGN=2
OSFlagAccept PROC
;;;92 OS_FLAGS OSFlagAccept (OS_FLAG_GRP *pgrp, OS_FLAGS flags, INT8U wait_type, INT8U *perr)
;;;93 {
000000 e92de92d PUSH {r4-r8,lr}
000004 4605 MOV r5,r0
000006 460f MOV r7,r1
000008 4614 MOV r4,r2
00000a 461e MOV r6,r3
;;;94 OS_FLAGS flags_rdy;
;;;95 INT8U result;
;;;96 BOOLEAN consume;
;;;97 #if OS_CRITICAL_METHOD == 3 /* Allocate storage for CPU status register */
;;;98 OS_CPU_SR cpu_sr = 0;
;;;99 #endif
;;;100
;;;101
;;;102
;;;103 #if OS_ARG_CHK_EN > 0
;;;104 if (perr == (INT8U *)0) { /* Validate 'perr' */
;;;105 return ((OS_FLAGS)0);
;;;106 }
;;;107 if (pgrp == (OS_FLAG_GRP *)0) { /* Validate 'pgrp' */
;;;108 *perr = OS_ERR_FLAG_INVALID_PGRP;
;;;109 return ((OS_FLAGS)0);
;;;110 }
;;;111 #endif
;;;112 if (pgrp->OSFlagType != OS_EVENT_TYPE_FLAG) { /* Validate event block type */
00000c 7828 LDRB r0,[r5,#0]
00000e 2805 CMP r0,#5
000010 d004 BEQ |L1.28|
;;;113 *perr = OS_ERR_EVENT_TYPE;
000012 2001 MOVS r0,#1
000014 7030 STRB r0,[r6,#0]
;;;114 return ((OS_FLAGS)0);
000016 2000 MOVS r0,#0
|L1.24|
;;;115 }
;;;116 result = (INT8U)(wait_type & OS_FLAG_CONSUME);
;;;117 if (result != (INT8U)0) { /* See if we need to consume the flags */
;;;118 wait_type &= ~OS_FLAG_CONSUME;
;;;119 consume = OS_TRUE;
;;;120 } else {
;;;121 consume = OS_FALSE;
;;;122 }
;;;123 /*$PAGE*/
;;;124 *perr = OS_ERR_NONE; /* Assume NO error until proven otherwise. */
;;;125 OS_ENTER_CRITICAL();
;;;126 switch (wait_type) {
;;;127 case OS_FLAG_WAIT_SET_ALL: /* See if all required flags are set */
;;;128 flags_rdy = (OS_FLAGS)(pgrp->OSFlagFlags & flags); /* Extract only the bits we want */
;;;129 if (flags_rdy == flags) { /* Must match ALL the bits that we want */
;;;130 if (consume == OS_TRUE) { /* See if we need to consume the flags */
;;;131 pgrp->OSFlagFlags &= ~flags_rdy; /* Clear ONLY the flags that we wanted */
;;;132 }
;;;133 } else {
;;;134 *perr = OS_ERR_FLAG_NOT_RDY;
;;;135 }
;;;136 OS_EXIT_CRITICAL();
;;;137 break;
;;;138
;;;139 case OS_FLAG_WAIT_SET_ANY:
;;;140 flags_rdy = (OS_FLAGS)(pgrp->OSFlagFlags & flags); /* Extract only the bits we want */
;;;141 if (flags_rdy != (OS_FLAGS)0) { /* See if any flag set */
;;;142 if (consume == OS_TRUE) { /* See if we need to consume the flags */
;;;143 pgrp->OSFlagFlags &= ~flags_rdy; /* Clear ONLY the flags that we got */
;;;144 }
;;;145 } else {
;;;146 *perr = OS_ERR_FLAG_NOT_RDY;
;;;147 }
;;;148 OS_EXIT_CRITICAL();
;;;149 break;
;;;150
;;;151 #if OS_FLAG_WAIT_CLR_EN > 0
;;;152 case OS_FLAG_WAIT_CLR_ALL: /* See if all required flags are cleared */
;;;153 flags_rdy = (OS_FLAGS)(~pgrp->OSFlagFlags & flags); /* Extract only the bits we want */
;;;154 if (flags_rdy == flags) { /* Must match ALL the bits that we want */
;;;155 if (consume == OS_TRUE) { /* See if we need to consume the flags */
;;;156 pgrp->OSFlagFlags |= flags_rdy; /* Set ONLY the flags that we wanted */
;;;157 }
;;;158 } else {
;;;159 *perr = OS_ERR_FLAG_NOT_RDY;
;;;160 }
;;;161 OS_EXIT_CRITICAL();
;;;162 break;
;;;163
;;;164 case OS_FLAG_WAIT_CLR_ANY:
;;;165 flags_rdy = (OS_FLAGS)(~pgrp->OSFlagFlags & flags); /* Extract only the bits we want */
;;;166 if (flags_rdy != (OS_FLAGS)0) { /* See if any flag cleared */
;;;167 if (consume == OS_TRUE) { /* See if we need to consume the flags */
;;;168 pgrp->OSFlagFlags |= flags_rdy; /* Set ONLY the flags that we got */
;;;169 }
;;;170 } else {
;;;171 *perr = OS_ERR_FLAG_NOT_RDY;
;;;172 }
;;;173 OS_EXIT_CRITICAL();
;;;174 break;
;;;175 #endif
;;;176
;;;177 default:
;;;178 OS_EXIT_CRITICAL();
;;;179 flags_rdy = (OS_FLAGS)0;
;;;180 *perr = OS_ERR_FLAG_WAIT_TYPE;
;;;181 break;
;;;182 }
;;;183 return (flags_rdy);
;;;184 }
000018 e8bde8bd POP {r4-r8,pc}
|L1.28|
00001c f004f004 AND r0,r4,#0x80 ;116
000020 b120 CBZ r0,|L1.44|
000022 f024f024 BIC r4,r4,#0x80 ;118
000026 f04ff04f MOV r8,#1 ;119
00002a e001 B |L1.48|
|L1.44|
00002c f04ff04f MOV r8,#0 ;121
|L1.48|
000030 2000 MOVS r0,#0 ;124
000032 7030 STRB r0,[r6,#0] ;124
000034 f7fff7ff BL OS_CPU_SR_Save
000038 2270 MOVS r2,#0x70 ;126
00003a b314 CBZ r4,|L1.130|
00003c 2c01 CMP r4,#1 ;126
00003e d02f BEQ |L1.160|
000040 2c02 CMP r4,#2 ;126
000042 d00b BEQ |L1.92|
000044 2c03 CMP r4,#3 ;126
000046 d139 BNE |L1.188|
000048 8929 LDRH r1,[r5,#8] ;140
00004a ea01ea01 AND r4,r1,r7 ;140
00004e b1a4 CBZ r4,|L1.122|
000050 f1b8f1b8 CMP r8,#1 ;142
000054 d112 BNE |L1.124|
000056 43a1 BICS r1,r1,r4 ;143
000058 8129 STRH r1,[r5,#8] ;143
00005a e00f B |L1.124|
|L1.92|
00005c 8929 LDRH r1,[r5,#8] ;128
00005e ea01ea01 AND r4,r1,r7 ;128
000062 42bc CMP r4,r7 ;129
000064 d105 BNE |L1.114|
000066 f1b8f1b8 CMP r8,#1 ;130
00006a d103 BNE |L1.116|
00006c 43a1 BICS r1,r1,r4 ;131
00006e 8129 STRH r1,[r5,#8] ;131
000070 e000 B |L1.116|
|L1.114|
000072 7032 STRB r2,[r6,#0] ;134
|L1.116|
000074 f7fff7ff BL OS_CPU_SR_Restore
000078 e025 B |L1.198|
|L1.122|
00007a 7032 STRB r2,[r6,#0] ;146
|L1.124|
00007c f7fff7ff BL OS_CPU_SR_Restore
000080 e021 B |L1.198|
|L1.130|
000082 8929 LDRH r1,[r5,#8] ;153
000084 ea27ea27 BIC r4,r7,r1 ;153
000088 42bc CMP r4,r7 ;154
00008a d105 BNE |L1.152|
00008c f1b8f1b8 CMP r8,#1 ;155
000090 d103 BNE |L1.154|
000092 4321 ORRS r1,r1,r4 ;156
000094 8129 STRH r1,[r5,#8] ;156
000096 e000 B |L1.154|
|L1.152|
000098 7032 STRB r2,[r6,#0] ;159
|L1.154|
00009a f7fff7ff BL OS_CPU_SR_Restore
00009e e012 B |L1.198|
|L1.160|
0000a0 8929 LDRH r1,[r5,#8] ;165
0000a2 ea27ea27 BIC r4,r7,r1 ;165
0000a6 b12c CBZ r4,|L1.180|
0000a8 f1b8f1b8 CMP r8,#1 ;167
0000ac d103 BNE |L1.182|
0000ae 4321 ORRS r1,r1,r4 ;168
0000b0 8129 STRH r1,[r5,#8] ;168
0000b2 e000 B |L1.182|
|L1.180|
0000b4 7032 STRB r2,[r6,#0] ;171
|L1.182|
0000b6 f7fff7ff BL OS_CPU_SR_Restore
0000ba e004 B |L1.198|
|L1.188|
0000bc f7fff7ff BL OS_CPU_SR_Restore
0000c0 2400 MOVS r4,#0 ;179
0000c2 206f MOVS r0,#0x6f ;180
0000c4 7030 STRB r0,[r6,#0] ;180
|L1.198|
0000c6 4620 MOV r0,r4 ;183
0000c8 e7a6 B |L1.24|
;;;185 #endif
ENDP
OSFlagCreate PROC
;;;208 OS_FLAG_GRP *OSFlagCreate (OS_FLAGS flags, INT8U *perr)
;;;209 {
0000ca b570 PUSH {r4-r6,lr}
0000cc 4606 MOV r6,r0
0000ce 460d MOV r5,r1
;;;210 OS_FLAG_GRP *pgrp;
;;;211 #if OS_CRITICAL_METHOD == 3 /* Allocate storage for CPU status register */
;;;212 OS_CPU_SR cpu_sr = 0;
;;;213 #endif
;;;214
;;;215
;;;216
;;;217 #if OS_ARG_CHK_EN > 0
;;;218 if (perr == (INT8U *)0) { /* Validate 'perr' */
;;;219 return ((OS_FLAG_GRP *)0);
;;;220 }
;;;221 #endif
;;;222 if (OSIntNesting > 0) { /* See if called from ISR ... */
0000d0 48f6 LDR r0,|L1.1196|
0000d2 7800 LDRB r0,[r0,#0] ; OSIntNesting
0000d4 b118 CBZ r0,|L1.222|
;;;223 *perr = OS_ERR_CREATE_ISR; /* ... can't CREATE from an ISR */
0000d6 2010 MOVS r0,#0x10
0000d8 7028 STRB r0,[r5,#0]
;;;224 return ((OS_FLAG_GRP *)0);
0000da 2000 MOVS r0,#0
;;;225 }
;;;226 OS_ENTER_CRITICAL();
;;;227 pgrp = OSFlagFreeList; /* Get next free event flag */
;;;228 if (pgrp != (OS_FLAG_GRP *)0) { /* See if we have event flag groups available */
;;;229 /* Adjust free list */
;;;230 OSFlagFreeList = (OS_FLAG_GRP *)OSFlagFreeList->OSFlagWaitList;
;;;231 pgrp->OSFlagType = OS_EVENT_TYPE_FLAG; /* Set to event flag group type */
;;;232 pgrp->OSFlagFlags = flags; /* Set to desired initial value */
;;;233 pgrp->OSFlagWaitList = (void *)0; /* Clear list of tasks waiting on flags */
;;;234 #if OS_FLAG_NAME_SIZE > 1
;;;235 pgrp->OSFlagName[0] = '?';
;;;236 pgrp->OSFlagName[1] = OS_ASCII_NUL;
;;;237 #endif
;;;238 OS_EXIT_CRITICAL();
;;;239 *perr = OS_ERR_NONE;
;;;240 } else {
;;;241 OS_EXIT_CRITICAL();
;;;242 *perr = OS_ERR_FLAG_GRP_DEPLETED;
;;;243 }
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