mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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76 lines
2.3 KiB
ArmAsm
76 lines
2.3 KiB
ArmAsm
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/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011,2012,2013 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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---
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A special exception to the GPL can be applied should you wish to distribute
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a combined work that includes ChibiOS/RT, without being obliged to provide
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the source code for any proprietary components. See the file exception.txt
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for full details of how and when the exception can be applied.
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*/
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MODULE ?cstartup
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CONTROL_MODE_PRIVILEGED SET 0
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CONTROL_MODE_UNPRIVILEGED SET 1
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CONTROL_USE_MSP SET 0
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CONTROL_USE_PSP SET 2
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AAPCS INTERWORK, VFP_COMPATIBLE, ROPI
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PRESERVE8
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SECTION .intvec:CODE:NOROOT(3)
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SECTION CSTACK:DATA:NOROOT(3)
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PUBLIC __main_thread_stack_base__
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__main_thread_stack_base__:
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PUBLIC __heap_end__
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__heap_end__:
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SECTION SYSHEAP:DATA:NOROOT(3)
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PUBLIC __heap_base__
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__heap_base__:
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PUBLIC __iar_program_start
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EXTERN __vector_table
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EXTWEAK __iar_init_core
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EXTWEAK __iar_init_vfp
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EXTERN __cmain
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SECTION .text:CODE:REORDER(2)
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REQUIRE __vector_table
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THUMB
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__iar_program_start:
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cpsid i
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ldr r0, =SFE(CSTACK)
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msr PSP, r0
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movs r0, #CONTROL_MODE_PRIVILEGED | CONTROL_USE_PSP
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msr CONTROL, r0
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isb
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bl __early_init
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bl __iar_init_core
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bl __iar_init_vfp
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b __cmain
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PUBWEAK __early_init
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__early_init:
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bx lr
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END
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