mbed official
Official mbed Real Time Operating System based on the RTX implementation of the CMSIS-RTOS API open standard.
Dependents: denki-yohou_b TestY201 Network-RTOS NTPClient_HelloWorld ... more
Deprecated
This is the mbed 2 rtos library. mbed OS 5 integrates the mbed library with mbed-rtos. With this, we have provided thread safety for all mbed APIs. If you'd like to learn about using mbed OS 5, please see the docs.
Revision 53:c35dab33c427, committed 2014-11-26
- Comitter:
- mbed_official
- Date:
- Wed Nov 26 08:00:25 2014 +0000
- Parent:
- 52:02f5cf381388
- Child:
- 54:f1ef95efa5ad
- Commit message:
- Synchronized with git revision c3208fe6f480055643b5911ca19a9028da3054a9
Full URL: https://github.com/mbedmicro/mbed/commit/c3208fe6f480055643b5911ca19a9028da3054a9/
RTOS: IAR Export for CORTEX M3
Changed in this revision
--- a/rtx/TARGET_CORTEX_M/RTX_CM_lib.h Fri Nov 21 09:45:08 2014 +0000
+++ b/rtx/TARGET_CORTEX_M/RTX_CM_lib.h Wed Nov 26 08:00:25 2014 +0000
@@ -294,6 +294,9 @@
#elif defined(__GNUC__)
extern unsigned char __end__[];
#define HEAP_START (__end__)
+#elif defined(__ICCARM__)
+#pragma section="HEAP"
+#define HEAP_START (void *)__section_begin("HEAP")
#endif
void set_main_stack(void) {
@@ -444,6 +447,7 @@
__iar_data_init3();
}
osKernelInitialize();
+ set_main_stack();
osThreadCreate(&os_thread_def_main, NULL);
a = osKernelStart();
exit(a);
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/rtx/TARGET_CORTEX_M/TARGET_M3/TOOLCHAIN_IAR/HAL_CM3.s Wed Nov 26 08:00:25 2014 +0000
@@ -0,0 +1,265 @@
+/*----------------------------------------------------------------------------
+ * RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ * Name: HAL_CM3.S
+ * Purpose: Hardware Abstraction Layer for Cortex-M3
+ * Rev.: V4.70
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+ NAME HAL_CM3.S
+
+ #define TCB_TSTACK 36
+
+ EXTERN os_flags
+ EXTERN os_tsk
+ EXTERN rt_alloc_box
+ EXTERN rt_free_box
+ EXTERN rt_stk_check
+ EXTERN rt_pop_req
+ EXTERN rt_systick
+ EXTERN os_tick_irqack
+ EXTERN SVC_Table
+ EXTERN SVC_Count
+
+/*----------------------------------------------------------------------------
+ * Functions
+ *---------------------------------------------------------------------------*/
+
+ SECTION .text:CODE:NOROOT(2)
+ THUMB
+
+/*--------------------------- rt_set_PSP ------------------------------------*/
+
+; void rt_set_PSP (U32 stack);
+
+ PUBLIC rt_set_PSP
+rt_set_PSP:
+
+ MSR PSP,R0
+ BX LR
+
+
+/*--------------------------- rt_get_PSP ------------------------------------*/
+
+; U32 rt_get_PSP (void);
+
+ PUBLIC rt_get_PSP
+rt_get_PSP:
+
+ MRS R0,PSP
+ BX LR
+
+
+/*--------------------------- os_set_env ------------------------------------*/
+
+; void os_set_env (void);
+ /* Switch to Unprivileged/Privileged Thread mode, use PSP. */
+
+ PUBLIC os_set_env
+os_set_env:
+
+ MOV R0,SP /* PSP = MSP */
+ MSR PSP,R0
+ LDR R0,=os_flags
+ LDRB R0,[R0]
+ LSLS R0,#31
+ ITE NE
+ MOVNE R0,#0x02 /* Privileged Thread mode, use PSP */
+ MOVEQ R0,#0x03 /* Unprivileged Thread mode, use PSP */
+ MSR CONTROL,R0
+ BX LR
+
+
+/*--------------------------- _alloc_box ------------------------------------*/
+
+; void *_alloc_box (void *box_mem);
+ /* Function wrapper for Unprivileged/Privileged mode. */
+
+ PUBLIC _alloc_box
+_alloc_box:
+
+ LDR R12,=rt_alloc_box
+ MRS R3,IPSR
+ LSLS R3,#24
+ IT NE
+ BXNE R12
+ MRS R3,CONTROL
+ LSLS R3,#31
+ IT EQ
+ BXEQ R12
+ SVC 0
+ BX LR
+
+
+/*--------------------------- _free_box -------------------------------------*/
+
+; int _free_box (void *box_mem, void *box);
+ /* Function wrapper for Unprivileged/Privileged mode. */
+
+ PUBLIC _free_box
+_free_box:
+
+ LDR R12,=rt_free_box
+ MRS R3,IPSR
+ LSLS R3,#24
+ IT NE
+ BXNE R12
+ MRS R3,CONTROL
+ LSLS R3,#31
+ IT EQ
+ BXEQ R12
+ SVC 0
+ BX LR
+
+
+/*-------------------------- SVC_Handler ------------------------------------*/
+
+; void SVC_Handler (void);
+
+ PUBLIC SVC_Handler
+SVC_Handler:
+
+ MRS R0,PSP /* Read PSP */
+ LDR R1,[R0,#24] /* Read Saved PC from Stack */
+ LDRB R1,[R1,#-2] /* Load SVC Number */
+ CBNZ R1,SVC_User
+
+ LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
+ BLX R12 /* Call SVC Function */
+
+ MRS R12,PSP /* Read PSP */
+ STM R12,{R0-R2} /* Store return values */
+
+ LDR R3,=os_tsk
+ LDM R3,{R1,R2} /* os_tsk.run, os_tsk.new */
+ CMP R1,R2
+ BEQ SVC_Exit /* no task switch */
+
+ CBZ R1,SVC_Next /* Runtask deleted? */
+ STMDB R12!,{R4-R11} /* Save Old context */
+ STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
+
+ PUSH {R2,R3}
+ BL rt_stk_check /* Check for Stack overflow */
+ POP {R2,R3}
+
+SVC_Next:
+ STR R2,[R3] /* os_tsk.run = os_tsk.new */
+
+ LDR R12,[R2,#TCB_TSTACK] /* os_tsk.new->tsk_stack */
+ LDMIA R12!,{R4-R11} /* Restore New Context */
+ MSR PSP,R12 /* Write PSP */
+
+SVC_Exit:
+ MVN LR,#~0xFFFFFFFD /* set EXC_RETURN value */
+ BX LR
+
+ /*------------------- User SVC ------------------------------*/
+
+SVC_User:
+ PUSH {R4,LR} /* Save Registers */
+ LDR R2,=SVC_Count
+ LDR R2,[R2]
+ CMP R1,R2
+ BHI SVC_Done /* Overflow */
+
+ LDR R4,=SVC_Table-4
+ LDR R4,[R4,R1,LSL #2] /* Load SVC Function Address */
+
+ LDM R0,{R0-R3,R12} /* Read R0-R3,R12 from stack */
+ BLX R4 /* Call SVC Function */
+
+ MRS R12,PSP
+ STM R12,{R0-R3} /* Function return values */
+SVC_Done:
+ POP {R4,PC} /* RETI */
+
+
+/*-------------------------- PendSV_Handler ---------------------------------*/
+
+; void PendSV_Handler (void);
+
+ PUBLIC PendSV_Handler
+PendSV_Handler:
+
+ BL rt_pop_req
+
+Sys_Switch:
+ LDR R3,=os_tsk
+ LDM R3,{R1,R2} /* os_tsk.run, os_tsk.new */
+ CMP R1,R2
+ BEQ Sys_Exit
+
+ MRS R12,PSP /* Read PSP */
+ STMDB R12!,{R4-R11} /* Save Old context */
+ STR R12,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */
+
+ PUSH {R2,R3}
+ BL rt_stk_check /* Check for Stack overflow */
+ POP {R2,R3}
+
+ STR R2,[R3] /* os_tsk.run = os_tsk.new */
+
+ LDR R12,[R2,#TCB_TSTACK] /* os_tsk.new->tsk_stack */
+ LDMIA R12!,{R4-R11} /* Restore New Context */
+ MSR PSP,R12 /* Write PSP */
+
+Sys_Exit:
+ MVN LR,#~0xFFFFFFFD /* set EXC_RETURN value */
+ BX LR /* Return to Thread Mode */
+
+
+/*-------------------------- SysTick_Handler --------------------------------*/
+
+; void SysTick_Handler (void);
+
+ PUBLIC SysTick_Handler
+SysTick_Handler:
+
+ BL rt_systick
+ B Sys_Switch
+
+
+/*-------------------------- OS_Tick_Handler --------------------------------*/
+
+; void OS_Tick_Handler (void);
+
+ PUBLIC OS_Tick_Handler
+OS_Tick_Handler:
+
+ BL os_tick_irqack
+ BL rt_systick
+ B Sys_Switch
+
+
+ END
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rtx/TARGET_CORTEX_M/TARGET_M3/TOOLCHAIN_IAR/SVC_Table.s Wed Nov 26 08:00:25 2014 +0000 @@ -0,0 +1,58 @@ +;/*---------------------------------------------------------------------------- +; * CMSIS-RTOS - RTX +; *---------------------------------------------------------------------------- +; * Name: SVC_TABLE.S +; * Purpose: Pre-defined SVC Table for Cortex-M +; * Rev.: V4.70 +; *---------------------------------------------------------------------------- +; * +; * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH +; * All rights reserved. +; * Redistribution and use in source and binary forms, with or without +; * modification, are permitted provided that the following conditions are met: +; * - Redistributions of source code must retain the above copyright +; * notice, this list of conditions and the following disclaimer. +; * - Redistributions in binary form must reproduce the above copyright +; * notice, this list of conditions and the following disclaimer in the +; * documentation and/or other materials provided with the distribution. +; * - Neither the name of ARM nor the names of its contributors may be used +; * to endorse or promote products derived from this software without +; * specific prior written permission. +; * +; * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +; * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +; * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +; * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE +; * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +; * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +; * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +; * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +; * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +; * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +; * POSSIBILITY OF SUCH DAMAGE. +; *---------------------------------------------------------------------------*/ + + + NAME SVC_TABLE + SECTION .text:CONST (2) + + PUBLIC SVC_Count + +SVC_Cnt EQU (SVC_End-SVC_Table)/4 +SVC_Count DCD SVC_Cnt + +; Import user SVC functions here. +; IMPORT __SVC_1 + + PUBLIC SVC_Table +SVC_Table +; Insert user SVC functions here. SVC 0 used by RTL Kernel. +; DCD __SVC_1 ; user SVC function + +SVC_End + + END + +/*---------------------------------------------------------------------------- + * end of file + *---------------------------------------------------------------------------*/
--- a/rtx/TARGET_CORTEX_M/cmsis_os.h Fri Nov 21 09:45:08 2014 +0000 +++ b/rtx/TARGET_CORTEX_M/cmsis_os.h Wed Nov 26 08:00:25 2014 +0000 @@ -115,7 +115,7 @@ #define CMSIS_OS_RTX // The stack space occupied is mainly dependent on the underling C standard library -#if defined(TOOLCHAIN_GCC) || defined(TOOLCHAIN_ARM_STD) +#if defined(TOOLCHAIN_GCC) || defined(TOOLCHAIN_ARM_STD) || defined(TOOLCHAIN_IAR) # define WORDS_STACK_SIZE 512 #elif defined(TOOLCHAIN_ARM_MICRO) # define WORDS_STACK_SIZE 128 @@ -135,6 +135,8 @@ #if defined (__CC_ARM) #define os_InRegs __value_in_regs // Compiler specific: force struct in registers +#elif defined (__ICCARM__) +#define os_InRegs __value_in_regs // Compiler specific: force struct in registers #else #define os_InRegs #endif
--- a/rtx/TARGET_CORTEX_M/rt_CMSIS.c Fri Nov 21 09:45:08 2014 +0000
+++ b/rtx/TARGET_CORTEX_M/rt_CMSIS.c Wed Nov 26 08:00:25 2014 +0000
@@ -265,30 +265,24 @@
#define __NO_RETURN __noreturn
-#define RET_osEvent "=r"(ret.status), "=r"(ret.value), "=r"(ret.def)
-#define RET_osCallback "=r"(ret.fp), "=r"(ret.arg)
-
#define osEvent_type osEvent
#define osEvent_ret_status ret
#define osEvent_ret_value ret
#define osEvent_ret_msg ret
#define osEvent_ret_mail ret
-#define osCallback_type uint64_t
-#define osCallback_ret ((uint64_t)ret.fp | ((uint64_t)ret.arg)<<32)
+#define osCallback_type osCallback
+#define osCallback_ret ret
+
+#define RET_osEvent osEvent
+#define RET_osCallback osCallback
#define SVC_Setup(f) \
- __asm( \
+ __asm( \
"mov r12,%0\n" \
:: "r"(&f): "r12" \
);
-#define SVC_Ret3() \
- __asm( \
- "ldr r0,[sp,#0]\n" \
- "ldr r1,[sp,#4]\n" \
- "ldr r2,[sp,#8]\n" \
- );
#define SVC_0_1(f,t,...) \
t f (void); \
@@ -330,46 +324,9 @@
return _##f(a1,a2,a3,a4); \
}
-#define SVC_1_2(f,t,t1,rr) \
-uint64_t f (t1 a1); \
-_Pragma("swi_number=0") __swi uint64_t _##f (t1 a1); \
-static inline t __##f (t1 a1) { \
- t ret; \
- SVC_Setup(f); \
- _##f(a1); \
- __asm("" : rr : :); \
- return ret; \
-}
-
-#define SVC_1_3(f,t,t1,rr) \
-t f (t1 a1); \
-void f##_ (t1 a1) { \
- f(a1); \
- SVC_Ret3(); \
-} \
-_Pragma("swi_number=0") __swi void _##f (t1 a1); \
-static inline t __##f (t1 a1) { \
- t ret; \
- SVC_Setup(f##_); \
- _##f(a1); \
- __asm("" : rr : :); \
- return ret; \
-}
-
-#define SVC_2_3(f,t,t1,t2,rr) \
-t f (t1 a1, t2 a2); \
-void f##_ (t1 a1, t2 a2) { \
- f(a1,a2); \
- SVC_Ret3(); \
-} \
-_Pragma("swi_number=0") __swi void _##f (t1 a1, t2 a2); \
-static inline t __##f (t1 a1, t2 a2) { \
- t ret; \
- SVC_Setup(f##_); \
- _##f(a1,a2); \
- __asm("" : rr : :); \
- return ret; \
-}
+#define SVC_1_2 SVC_1_1
+#define SVC_1_3 SVC_1_1
+#define SVC_2_3 SVC_2_1
#endif