57 lines
1.2 KiB
ArmAsm
57 lines
1.2 KiB
ArmAsm
/**
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* \brief Startup code for core on ARM
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* \author Stefan Kalkowski
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* \date 2015-03-06
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*/
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/*
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* Copyright (C) 2015-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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.section ".text"
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/***********************
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** kernel entry code **
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***********************/
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.global _start
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_start:
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/* switch to cpu-specific kernel stack */
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/*adr r1, _kernel_stack
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adr r2, _kernel_stack_size
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ldr r1, [r1]
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ldr r2, [r2]
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ldr r2, [r2]
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add r0, #1
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mul r0, r0, r2
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add sp, r1, r0*/
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/* jump into init C code */
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b kernel_init
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_kernel_stack: .quad kernel_stack
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_kernel_stack_size: .quad kernel_stack_size
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/*********************************
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** core main thread entry code **
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*********************************/
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.global _core_start
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_core_start:
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/* create proper environment for main thread */
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bl init_main_thread
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/* apply environment that was created by init_main_thread */
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ldr x0, =init_main_thread_result
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ldr x0, [x0]
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mov sp, x0
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/* jump into init C code instead of calling it as it should never return */
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b _main
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