diff options
Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/rtos/rtx/TARGET_CORTEX_M/TARGET_M0P/TOOLCHAIN_IAR/HAL_CM0.s')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/rtos/rtx/TARGET_CORTEX_M/TARGET_M0P/TOOLCHAIN_IAR/HAL_CM0.s | 312 |
1 files changed, 0 insertions, 312 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/rtos/rtx/TARGET_CORTEX_M/TARGET_M0P/TOOLCHAIN_IAR/HAL_CM0.s b/tmk_core/tool/mbed/mbed-sdk/libraries/rtos/rtx/TARGET_CORTEX_M/TARGET_M0P/TOOLCHAIN_IAR/HAL_CM0.s deleted file mode 100644 index c39fcdd397..0000000000 --- a/tmk_core/tool/mbed/mbed-sdk/libraries/rtos/rtx/TARGET_CORTEX_M/TARGET_M0P/TOOLCHAIN_IAR/HAL_CM0.s +++ /dev/null @@ -1,312 +0,0 @@ -/*---------------------------------------------------------------------------- - * CMSIS-RTOS - RTX - *---------------------------------------------------------------------------- - * Name: HAL_CM0.S - * Purpose: Hardware Abstraction Layer for Cortex-M0 - * 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_CM0.S - - #define TCB_TSTACK 40 - - 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 - BNE PrivilegedE - MOVS R0,#0x03 /* Unprivileged Thread mode, use PSP */ - MSR CONTROL,R0 - BX LR -PrivilegedE: - MOVS R0,#0x02 /* Privileged 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 R3,=rt_alloc_box - MOV R12,R3 - MRS R3,IPSR - LSLS R3,#24 - BNE PrivilegedA - MRS R3,CONTROL - LSLS R3,#31 - BEQ PrivilegedA - SVC 0 - BX LR -PrivilegedA: - BX R12 - - -/*--------------------------- _free_box -------------------------------------*/ - -; int _free_box (void *box_mem, void *box); - /* Function wrapper for Unprivileged/Privileged mode. */ - - PUBLIC _free_box -_free_box: - - LDR R3,=rt_free_box - MOV R12,R3 - MRS R3,IPSR - LSLS R3,#24 - BNE PrivilegedF - MRS R3,CONTROL - LSLS R3,#31 - BEQ PrivilegedF - SVC 0 - BX LR -PrivilegedF: - BX R12 - - -/*-------------------------- 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 */ - SUBS R1,R1,#2 /* Point to SVC Instruction */ - LDRB R1,[R1] /* Load SVC Number */ - CMP R1,#0 - BNE SVC_User /* User SVC Number > 0 */ - - MOV LR,R4 - LDMIA R0,{R0-R3,R4} /* Read R0-R3,R12 from stack */ - MOV R12,R4 - MOV R4,LR - BLX R12 /* Call SVC Function */ - - MRS R3,PSP /* Read PSP */ - STMIA R3!,{R0-R2} /* Store return values */ - - LDR R3,=os_tsk - LDMIA R3!,{R1,R2} /* os_tsk.run, os_tsk.new */ - CMP R1,R2 - BEQ SVC_Exit /* no task switch */ - - SUBS R3,#8 - CMP R1,#0 /* Runtask deleted? */ - BEQ SVC_Next - - MRS R0,PSP /* Read PSP */ - SUBS R0,R0,#32 /* Adjust Start Address */ - STR R0,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */ - STMIA R0!,{R4-R7} /* Save old context (R4-R7) */ - MOV R4,R8 - MOV R5,R9 - MOV R6,R10 - MOV R7,R11 - STMIA R0!,{R4-R7} /* Save old context (R8-R11) */ - - 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 R0,[R2,#TCB_TSTACK] /* os_tsk.new->tsk_stack */ - ADDS R0,R0,#16 /* Adjust Start Address */ - LDMIA R0!,{R4-R7} /* Restore new Context (R8-R11) */ - MOV R8,R4 - MOV R9,R5 - MOV R10,R6 - MOV R11,R7 - MSR PSP,R0 /* Write PSP */ - SUBS R0,R0,#32 /* Adjust Start Address */ - LDMIA R0!,{R4-R7} /* Restore new Context (R4-R7) */ - -SVC_Exit: - MOVS R0,#~0xFFFFFFFD /* Set EXC_RETURN value */ - MVNS R0,R0 - BX R0 /* RETI to Thread Mode, use PSP */ - - /*------------------- 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 - LSLS R1,R1,#2 - LDR R4,[R4,R1] /* Load SVC Function Address */ - MOV LR,R4 - - LDMIA R0,{R0-R3,R4} /* Read R0-R3,R12 from stack */ - MOV R12,R4 - BLX LR /* Call SVC Function */ - - MRS R4,PSP /* Read PSP */ - STMIA R4!,{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 - LDMIA R3!,{R1,R2} /* os_tsk.run, os_tsk.new */ - CMP R1,R2 - BEQ Sys_Exit /* no task switch */ - - SUBS R3,#8 - - MRS R0,PSP /* Read PSP */ - SUBS R0,R0,#32 /* Adjust Start Address */ - STR R0,[R1,#TCB_TSTACK] /* Update os_tsk.run->tsk_stack */ - STMIA R0!,{R4-R7} /* Save old context (R4-R7) */ - MOV R4,R8 - MOV R5,R9 - MOV R6,R10 - MOV R7,R11 - STMIA R0!,{R4-R7} /* Save old context (R8-R11) */ - - PUSH {R2,R3} - BL rt_stk_check /* Check for Stack overflow */ - POP {R2,R3} - - STR R2,[R3] /* os_tsk.run = os_tsk.new */ - - LDR R0,[R2,#TCB_TSTACK] /* os_tsk.new->tsk_stack */ - ADDS R0,R0,#16 /* Adjust Start Address */ - LDMIA R0!,{R4-R7} /* Restore new Context (R8-R11) */ - MOV R8,R4 - MOV R9,R5 - MOV R10,R6 - MOV R11,R7 - MSR PSP,R0 /* Write PSP */ - SUBS R0,R0,#32 /* Adjust Start Address */ - LDMIA R0!,{R4-R7} /* Restore new Context (R4-R7) */ - -Sys_Exit: - MOVS R0,#~0xFFFFFFFD /* Set EXC_RETURN value */ - MVNS R0,R0 - BX R0 /* RETI to Thread Mode, use PSP */ - - -/*-------------------------- 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 - *---------------------------------------------------------------------------*/ |