53 lines
1.6 KiB
ArmAsm
53 lines
1.6 KiB
ArmAsm
/*
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* Copyright (c) 2009-2010 Travis Geiselbrecht
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* 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
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* included in all 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,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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.section ".text.boot"
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.globl _start
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_start:
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lddpc sp, .Linit_stack_top_addr
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rcall kmain
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rjmp .
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.align 2
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.Linit_stack_top_addr:
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.long init_stack_top
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.section ".bss"
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.align 2
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init_stack:
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.skip 1024
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init_stack_top:
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.section ".rodata"
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.align 2
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/* define the heap end as read-only data containing the end defined in the
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* linker script. other archs that use dynamic memory length discovery can make
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* this read-write and update it during init.
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*/
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.global _heap_end
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_heap_end:
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.int _end_of_ram
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