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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /* | ||
| * FreeRTOS Kernel V10.4.3 LTS Patch 2 | ||
| * Copyright (C) 2020 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. | ||
| * | ||
| * https://www.FreeRTOS.org | ||
| * https://github.com/FreeRTOS | ||
| * | ||
| * 1 tab == 4 spaces! | ||
| */ | ||
|
|
||
| /* Standard includes. */ | ||
| #include "portdsram.h" | ||
|
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||
|
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| void vStoreDSRAMContextWithWFI( void ) | ||
| { | ||
| } | ||
|
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| void vRestoreDSRAMContext( void ) | ||
| { | ||
| } | ||
|
|
||
| /*-----------------------------------------------------------*/ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| /* | ||
| * FreeRTOS Kernel V10.4.3 LTS Patch 2 | ||
| * Copyright (C) 2020 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. | ||
| * | ||
| * https://www.FreeRTOS.org | ||
| * https://github.com/FreeRTOS | ||
| * | ||
| * 1 tab == 4 spaces! | ||
| */ | ||
|
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| #ifndef __PORT_DSRAM_H__ | ||
| #define __PORT_DSRAM_H__ | ||
|
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| /** | ||
| * @brief Store the context before entering DS-RAM and enter WFI | ||
| */ | ||
| void vStoreDSRAMContextWithWFI( void ); | ||
|
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| /** | ||
| * @brief Restore the context after wake up from DS-RAM(System will go through Warm boot) | ||
| */ | ||
| void vRestoreDSRAMContext( void ); | ||
|
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|
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| #endif /* __PORT_DSRAM_H__ */ |
91 changes: 91 additions & 0 deletions
91
Source/portable/COMPONENT_CM33/TOOLCHAIN_GCC_ARM/portdsram.c
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| /* | ||
| * FreeRTOS Kernel V10.4.3 LTS Patch 2 | ||
| * Copyright (C) 2020 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. | ||
| * | ||
| * https://www.FreeRTOS.org | ||
| * https://github.com/FreeRTOS | ||
| * | ||
| * 1 tab == 4 spaces! | ||
| */ | ||
|
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| /* Standard includes. */ | ||
| #include "portdsram.h" | ||
| /* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE ensures that PRIVILEGED_FUNCTION | ||
| * is defined correctly and privileged functions are placed in correct sections. */ | ||
| #define MPU_WRAPPERS_INCLUDED_FROM_API_FILE | ||
|
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| /* Portasm includes. */ | ||
| #include "portasm.h" | ||
|
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| /* MPU_WRAPPERS_INCLUDED_FROM_API_FILE is needed to be defined only for the | ||
| * header files. */ | ||
| #undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE | ||
|
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| FREERTOS_COMMON_SECTION_BEGIN | ||
| void vStoreDSRAMContextWithWFI( void ) /* __attribute__ (( naked )) PRIVILEGED_FUNCTION */ | ||
| { | ||
| __asm volatile | ||
| ( | ||
| " .syntax unified \n" | ||
| " stmdb sp!, {r1-r11, lr} \n" /* Store reg on the stack*/ | ||
| " mrs r1, psplim \n" /* r1 = PSPLIM. */ | ||
| " mrs r2, control \n" /* r2 = Control. */ | ||
| " adr r3,wfi_exit + 1 \n" | ||
| " stmdb sp!, {r1-r3} \n" /* Store on the stack - PSPLIM, Control Return Address */ | ||
| " \n" | ||
| " ldr r2, =pxCurrentTCB \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ | ||
| " ldr r1, [r2] \n" /* Read pxCurrentTCB. */ | ||
| " mrs r0, psp \n" /* Read PSP in r0. */ | ||
| " str r0, [r1] \n" /* Save the new top of stack in TCB. */ | ||
| " wfi \n" | ||
| " isb \n" | ||
| " add sp, sp, #12 \n" /* We we do not enter DSRAM pop-out PSPLIM, Control Return Address*/ | ||
| "wfi_exit: dsb \n" | ||
| " ldmia sp!, {r1-r11, pc} \n" | ||
| ); | ||
| } | ||
| FREERTOS_COMMON_SECTION_END | ||
|
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| FREERTOS_COMMON_SECTION_BEGIN | ||
| void vRestoreDSRAMContext( void ) | ||
| { | ||
| __asm volatile | ||
| ( | ||
| " ldr r2, pxCurrentTCBConstE1 \n" /* Read the location of pxCurrentTCB i.e. &( pxCurrentTCB ). */ | ||
| " ldr r1, [r2] \n" /* Read pxCurrentTCB. */ | ||
| " ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. r0 now points to the top of stack. */ | ||
| " \n" | ||
| " ldmia r0!, {r1-r3} \n" /* Read from stack - r1 = PSPLIM, r2 = CONTROL, r3 = LR */ | ||
| " \n" | ||
| " msr psplim, r1 \n" /* Restore the PSPLIM register value for the task. */ | ||
| " msr psp, r0 \n" /* restore stacks */ | ||
| " ldr r0, MSPStackTop \n" | ||
| " msr msp, r0 \n" | ||
| " msr CONTROL, r2 \n" | ||
| " isb \n" | ||
| " bx r3 \n" | ||
| " \n" | ||
| " .align 4 \n" | ||
| "pxCurrentTCBConstE1: .word pxCurrentTCB \n" | ||
| "MSPStackTop: .word __StackTop \n" | ||
| ); | ||
| } | ||
| FREERTOS_COMMON_SECTION_END | ||
| /*-----------------------------------------------------------*/ |
42 changes: 42 additions & 0 deletions
42
Source/portable/COMPONENT_CM33/TOOLCHAIN_GCC_ARM/portdsram.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| /* | ||
| * FreeRTOS Kernel V10.4.3 LTS Patch 2 | ||
| * Copyright (C) 2020 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. | ||
| * | ||
| * https://www.FreeRTOS.org | ||
| * https://github.com/FreeRTOS | ||
| * | ||
| * 1 tab == 4 spaces! | ||
| */ | ||
|
|
||
| #ifndef __PORT_DSRAM_H__ | ||
| #define __PORT_DSRAM_H__ | ||
|
|
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| /** | ||
| * @brief Store the context before entering DS-RAM and enter WFI | ||
| */ | ||
| void vStoreDSRAMContextWithWFI( void ); | ||
|
|
||
| /** | ||
| * @brief Restore the context after wake up from DS-RAM(System will go through Warm boot) | ||
| */ | ||
| void vRestoreDSRAMContext( void ); | ||
|
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||
|
|
||
| #endif /* __PORT_DSRAM_H__ */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /* | ||
| * FreeRTOS Kernel V10.4.3 LTS Patch 2 | ||
| * Copyright (C) 2020 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. | ||
| * | ||
| * https://www.FreeRTOS.org | ||
| * https://github.com/FreeRTOS | ||
| * | ||
| * 1 tab == 4 spaces! | ||
| */ | ||
|
|
||
| /* Standard includes. */ | ||
| #include "portdsram.h" | ||
|
|
||
|
|
||
| void vStoreDSRAMContextWithWFI( void ) | ||
| { | ||
| } | ||
|
|
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| void vRestoreDSRAMContext( void ) | ||
| { | ||
| } | ||
|
|
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| /*-----------------------------------------------------------*/ |
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