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authorOxore <oxore@protonmail.com>2023-03-05 20:20:45 +0300
committerOxore <oxore@protonmail.com>2023-03-05 20:20:45 +0300
commitea807de65b0485ac58b6eae576209c64d4d5c4e9 (patch)
treeb4264d20e1d700cfd9e0ece9d847a825dd1dfc03 /Libraries/FreeRTOS/portable/IAR/ARM_CM0/portasm.s
parentdd01e7ed22cea652061f0d12cecf929e04b285e9 (diff)
Split app code and third party libraries
Diffstat (limited to 'Libraries/FreeRTOS/portable/IAR/ARM_CM0/portasm.s')
-rw-r--r--Libraries/FreeRTOS/portable/IAR/ARM_CM0/portasm.s131
1 files changed, 0 insertions, 131 deletions
diff --git a/Libraries/FreeRTOS/portable/IAR/ARM_CM0/portasm.s b/Libraries/FreeRTOS/portable/IAR/ARM_CM0/portasm.s
deleted file mode 100644
index ec98a86..0000000
--- a/Libraries/FreeRTOS/portable/IAR/ARM_CM0/portasm.s
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * FreeRTOS Kernel V10.0.1
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
- * the Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * http://www.FreeRTOS.org
- * http://aws.amazon.com/freertos
- *
- * 1 tab == 4 spaces!
- */
-
-#include <FreeRTOSConfig.h>
-
- RSEG CODE:CODE(2)
- thumb
-
- EXTERN vPortYieldFromISR
- EXTERN pxCurrentTCB
- EXTERN vTaskSwitchContext
-
- PUBLIC vSetMSP
- PUBLIC xPortPendSVHandler
- PUBLIC vPortSVCHandler
- PUBLIC vPortStartFirstTask
- PUBLIC ulSetInterruptMaskFromISR
- PUBLIC vClearInterruptMaskFromISR
-
-/*-----------------------------------------------------------*/
-
-vSetMSP
- msr msp, r0
- bx lr
-
-/*-----------------------------------------------------------*/
-
-xPortPendSVHandler:
- mrs r0, psp
-
- ldr r3, =pxCurrentTCB /* Get the location of the current TCB. */
- ldr r2, [r3]
-
- subs r0, r0, #32 /* Make space for the remaining low registers. */
- str r0, [r2] /* Save the new top of stack. */
- stmia r0!, {r4-r7} /* Store the low registers that are not saved automatically. */
- mov r4, r8 /* Store the high registers. */
- mov r5, r9
- mov r6, r10
- mov r7, r11
- stmia r0!, {r4-r7}
-
- push {r3, r14}
- cpsid i
- bl vTaskSwitchContext
- cpsie i
- pop {r2, r3} /* lr goes in r3. r2 now holds tcb pointer. */
-
- ldr r1, [r2]
- ldr r0, [r1] /* The first item in pxCurrentTCB is the task top of stack. */
- adds r0, r0, #16 /* Move to the high registers. */
- ldmia r0!, {r4-r7} /* Pop the high registers. */
- mov r8, r4
- mov r9, r5
- mov r10, r6
- mov r11, r7
-
- msr psp, r0 /* Remember the new top of stack for the task. */
-
- subs r0, r0, #32 /* Go back for the low registers that are not automatically restored. */
- ldmia r0!, {r4-r7} /* Pop low registers. */
-
- bx r3
-
-/*-----------------------------------------------------------*/
-
-vPortSVCHandler;
- /* This function is no longer used, but retained for backward
- compatibility. */
- bx lr
-
-/*-----------------------------------------------------------*/
-
-vPortStartFirstTask
- /* The MSP stack is not reset as, unlike on M3/4 parts, there is no vector
- table offset register that can be used to locate the initial stack value.
- Not all M0 parts have the application vector table at address 0. */
-
- ldr r3, =pxCurrentTCB /* Obtain location of pxCurrentTCB. */
- ldr r1, [r3]
- ldr r0, [r1] /* The first item in pxCurrentTCB is the task top of stack. */
- adds r0, #32 /* Discard everything up to r0. */
- msr psp, r0 /* This is now the new top of stack to use in the task. */
- movs r0, #2 /* Switch to the psp stack. */
- msr CONTROL, r0
- isb
- pop {r0-r5} /* Pop the registers that are saved automatically. */
- mov lr, r5 /* lr is now in r5. */
- pop {r3} /* The return address is now in r3. */
- pop {r2} /* Pop and discard the XPSR. */
- cpsie i /* The first task has its context and interrupts can be enabled. */
- bx r3 /* Jump to the user defined task code. */
-
-/*-----------------------------------------------------------*/
-
-ulSetInterruptMaskFromISR
- mrs r0, PRIMASK
- cpsid i
- bx lr
-
-/*-----------------------------------------------------------*/
-
-vClearInterruptMaskFromISR
- msr PRIMASK, r0
- bx lr
-
- END