The Fuchsia Authors
60 linhas
1.5 KiB
C
60 linhas
1.5 KiB
C
// Copyright 2016 The Fuchsia Authors
|
|
// Copyright (c) 2012 Travis Geiselbrecht
|
|
//
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file or at
|
|
// https://opensource.org/licenses/MIT
|
|
|
|
#include <compiler.h>
|
|
#include <stdint.h>
|
|
|
|
/*
|
|
* Make a nice 8 byte aligned stack to run on before the threading system is up.
|
|
* Put it in the .bss.prebss.* section to make sure it doesn't get wiped
|
|
* when bss is cleared a little ways into boot.
|
|
*/
|
|
static uint8_t initial_stack[1024] __SECTION(".bss.prebss.initial_stack") __ALIGNED(8);
|
|
|
|
extern void _start(void);
|
|
extern void _nmi(void);
|
|
extern void _hardfault(void);
|
|
extern void _memmanage(void);
|
|
extern void _busfault(void);
|
|
extern void _usagefault(void);
|
|
extern void _svc(void);
|
|
extern void _debugmonitor(void);
|
|
extern void _pendsv(void);
|
|
extern void _systick(void);
|
|
|
|
#if defined(WITH_DEBUGGER_INFO)
|
|
extern struct __debugger_info__ _debugger_info;
|
|
#endif
|
|
|
|
const void *const __SECTION(".text.boot.vectab1") vectab[] = {
|
|
/* arm exceptions */
|
|
initial_stack + sizeof(initial_stack),
|
|
_start,
|
|
_nmi, // nmi
|
|
_hardfault, // hard fault
|
|
_memmanage, // mem manage
|
|
_busfault, // bus fault
|
|
_usagefault, // usage fault
|
|
0, // reserved
|
|
#if defined(WITH_DEBUGGER_INFO)
|
|
(void *) 0x52474244,
|
|
&_debugger_info,
|
|
#else
|
|
0, // reserved
|
|
0, // reserved
|
|
#endif
|
|
0, // reserved
|
|
_svc, // svcall
|
|
_debugmonitor, // debug monitor
|
|
0, // reserved
|
|
_pendsv, // pendsv
|
|
_systick, // systick
|
|
};
|
|
|
|
|
|
|