mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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Normalize line endings and whitespace in source files
This commit is contained in:
Paul Bartell
Paul Bartell
parent
151fb04ad1
commit
01820d3ed9
574 changed files with 162626 additions and 172362 deletions
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@ -1,140 +1,139 @@
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/*
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* FreeRTOS Kernel <DEVELOPMENT BRANCH>
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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.extern vTaskSwitchContext
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.set noat
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# Exported to start the first task.
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.globl restore_sp_from_pxCurrentTCB
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# Entry point for exceptions.
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.section .exceptions.entry.user, "xa"
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# Save the entire context of a task.
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save_context:
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addi sp, sp, -116 # Create space on the stack.
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stw ra, 0(sp)
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# Leave a gap for muldiv 0
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stw at, 8(sp)
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stw r2, 12(sp)
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stw r3, 16(sp)
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stw r4, 20(sp)
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stw r5, 24(sp)
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stw r6, 28(sp)
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stw r7, 32(sp)
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stw r8, 36(sp)
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stw r9, 40(sp)
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stw r10, 44(sp)
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stw r11, 48(sp)
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stw r12, 52(sp)
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stw r13, 56(sp)
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stw r14, 60(sp)
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stw r15, 64(sp)
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rdctl r5, estatus # Save the eStatus
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stw r5, 68(sp)
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addi r15, ea, -4 # Instruction that caused exception
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stw r15, 72(sp) # Save as EA
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stw r16, 76(sp) # Save the remaining registers
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stw r17, 80(sp)
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stw r18, 84(sp)
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stw r19, 88(sp)
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stw r20, 92(sp)
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stw r21, 96(sp)
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stw r22, 100(sp)
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stw r23, 104(sp)
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stw gp, 108(sp)
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stw fp, 112(sp)
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save_sp_to_pxCurrentTCB:
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movia et, pxCurrentTCB # Load the address of the pxCurrentTCB pointer
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ldw et, (et) # Load the value of the pxCurrentTCB pointer
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stw sp, (et) # Store the stack pointer into the top of the TCB
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br irq_test_user # skip the section .exceptions.entry
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.section .exceptions.irqtest, "xa"
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irq_test_user:
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/*
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* FreeRTOS Kernel <DEVELOPMENT BRANCH>
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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.section .exceptions.exit.user, "xa"
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restore_sp_from_pxCurrentTCB:
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movia et, pxCurrentTCB # Load the address of the pxCurrentTCB pointer
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ldw et, (et) # Load the value of the pxCurrentTCB pointer
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ldw sp, (et) # Load the stack pointer with the top value of the TCB
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restore_context:
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ldw ra, 0(sp) # Restore the registers.
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# Leave a gap for muldiv 0.
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ldw at, 8(sp)
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ldw r2, 12(sp)
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ldw r3, 16(sp)
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ldw r4, 20(sp)
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ldw r5, 24(sp)
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ldw r6, 28(sp)
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ldw r7, 32(sp)
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ldw r8, 36(sp)
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ldw r9, 40(sp)
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ldw r10, 44(sp)
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ldw r11, 48(sp)
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ldw r12, 52(sp)
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ldw r13, 56(sp)
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ldw r14, 60(sp)
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ldw r15, 64(sp)
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ldw et, 68(sp) # Load the eStatus
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wrctl estatus, et # Write the eStatus
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ldw ea, 72(sp) # Load the Program Counter
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ldw r16, 76(sp)
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ldw r17, 80(sp)
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ldw r18, 84(sp)
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ldw r19, 88(sp)
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ldw r20, 92(sp)
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ldw r21, 96(sp)
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ldw r22, 100(sp)
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ldw r23, 104(sp)
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ldw gp, 108(sp)
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ldw fp, 112(sp)
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addi sp, sp, 116 # Release stack space
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eret # Return to address ea, loading eStatus into Status.
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.section .exceptions.soft, "xa"
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soft_exceptions:
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movhi r3, 0x003b /* upper half of trap opcode */
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ori r3, r3, 0x683a /* lower half of trap opcode */
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beq r2, r3, call_scheduler
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br exceptions_unknown_user # its something else
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call_scheduler:
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stw ea, 72(sp) # EA is PC+4 so will skip over instruction causing exception
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movia r15, vTaskSwitchContext # Pick the next context - use long call version in place of "call"
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callr r15
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br restore_sp_from_pxCurrentTCB # Switch in the task context and restore.
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.section .exceptions.unknown.user
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exceptions_unknown_user:
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.extern vTaskSwitchContext
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.set noat
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# Exported to start the first task.
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.globl restore_sp_from_pxCurrentTCB
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# Entry point for exceptions.
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.section .exceptions.entry.user, "xa"
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# Save the entire context of a task.
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save_context:
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addi sp, sp, -116 # Create space on the stack.
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stw ra, 0(sp)
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# Leave a gap for muldiv 0
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stw at, 8(sp)
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stw r2, 12(sp)
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stw r3, 16(sp)
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stw r4, 20(sp)
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stw r5, 24(sp)
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stw r6, 28(sp)
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stw r7, 32(sp)
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stw r8, 36(sp)
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stw r9, 40(sp)
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stw r10, 44(sp)
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stw r11, 48(sp)
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stw r12, 52(sp)
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stw r13, 56(sp)
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stw r14, 60(sp)
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stw r15, 64(sp)
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rdctl r5, estatus # Save the eStatus
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stw r5, 68(sp)
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addi r15, ea, -4 # Instruction that caused exception
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stw r15, 72(sp) # Save as EA
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stw r16, 76(sp) # Save the remaining registers
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stw r17, 80(sp)
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stw r18, 84(sp)
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stw r19, 88(sp)
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stw r20, 92(sp)
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stw r21, 96(sp)
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stw r22, 100(sp)
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stw r23, 104(sp)
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stw gp, 108(sp)
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stw fp, 112(sp)
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save_sp_to_pxCurrentTCB:
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movia et, pxCurrentTCB # Load the address of the pxCurrentTCB pointer
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ldw et, (et) # Load the value of the pxCurrentTCB pointer
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stw sp, (et) # Store the stack pointer into the top of the TCB
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br irq_test_user # skip the section .exceptions.entry
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.section .exceptions.irqtest, "xa"
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irq_test_user:
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.section .exceptions.exit.user, "xa"
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restore_sp_from_pxCurrentTCB:
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movia et, pxCurrentTCB # Load the address of the pxCurrentTCB pointer
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ldw et, (et) # Load the value of the pxCurrentTCB pointer
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ldw sp, (et) # Load the stack pointer with the top value of the TCB
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restore_context:
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ldw ra, 0(sp) # Restore the registers.
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# Leave a gap for muldiv 0.
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ldw at, 8(sp)
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ldw r2, 12(sp)
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ldw r3, 16(sp)
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ldw r4, 20(sp)
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ldw r5, 24(sp)
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ldw r6, 28(sp)
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ldw r7, 32(sp)
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ldw r8, 36(sp)
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ldw r9, 40(sp)
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ldw r10, 44(sp)
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ldw r11, 48(sp)
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ldw r12, 52(sp)
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ldw r13, 56(sp)
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ldw r14, 60(sp)
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ldw r15, 64(sp)
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ldw et, 68(sp) # Load the eStatus
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wrctl estatus, et # Write the eStatus
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ldw ea, 72(sp) # Load the Program Counter
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ldw r16, 76(sp)
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ldw r17, 80(sp)
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ldw r18, 84(sp)
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ldw r19, 88(sp)
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ldw r20, 92(sp)
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ldw r21, 96(sp)
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ldw r22, 100(sp)
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ldw r23, 104(sp)
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ldw gp, 108(sp)
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ldw fp, 112(sp)
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addi sp, sp, 116 # Release stack space
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eret # Return to address ea, loading eStatus into Status.
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.section .exceptions.soft, "xa"
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soft_exceptions:
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movhi r3, 0x003b /* upper half of trap opcode */
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ori r3, r3, 0x683a /* lower half of trap opcode */
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beq r2, r3, call_scheduler
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br exceptions_unknown_user # its something else
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call_scheduler:
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stw ea, 72(sp) # EA is PC+4 so will skip over instruction causing exception
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movia r15, vTaskSwitchContext # Pick the next context - use long call version in place of "call"
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callr r15
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br restore_sp_from_pxCurrentTCB # Switch in the task context and restore.
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.section .exceptions.unknown.user
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exceptions_unknown_user:
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