60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
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* Copyright (c) 2012 Travis Geiselbrecht
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*
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* Use of this source code is governed by a MIT-style
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* license that can be found in the LICENSE file or at
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* https://opensource.org/licenses/MIT
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*/
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#include <lk/compiler.h>
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#include <stdint.h>
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/*
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* Make a nice 8 byte aligned stack to run on before the threading system is up.
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* Put it in the .bss.prebss.* section to make sure it doesn't get wiped
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* when bss is cleared a little ways into boot.
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*/
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static uint8_t initial_stack[1024] __SECTION(".bss.prebss.initial_stack") __ALIGNED(8);
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extern void _start(void);
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extern void _nmi(void);
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extern void _hardfault(void);
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extern void _memmanage(void);
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extern void _busfault(void);
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extern void _usagefault(void);
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extern void _svc(void);
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extern void _debugmonitor(void);
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extern void _pendsv(void);
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extern void _systick(void);
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#if defined(WITH_DEBUGGER_INFO)
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extern struct __debugger_info__ _debugger_info;
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#endif
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const void *const __SECTION(".text.boot.vectab1") vectab[] = {
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/* arm exceptions */
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initial_stack + sizeof(initial_stack),
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_start,
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_nmi, // nmi
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_hardfault, // hard fault
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_memmanage, // mem manage
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_busfault, // bus fault
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_usagefault, // usage fault
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0, // reserved
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#if defined(WITH_DEBUGGER_INFO)
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(void *) 0x52474244,
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&_debugger_info,
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#else
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0, // reserved
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0, // reserved
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#endif
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0, // reserved
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_svc, // svcall
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_debugmonitor, // debug monitor
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0, // reserved
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_pendsv, // pendsv
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_systick, // systick
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};
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