diff options
Diffstat (limited to 'libgloss/m68k/cf-crt1.c')
-rw-r--r-- | libgloss/m68k/cf-crt1.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/libgloss/m68k/cf-crt1.c b/libgloss/m68k/cf-crt1.c deleted file mode 100644 index 3f37ae90d..000000000 --- a/libgloss/m68k/cf-crt1.c +++ /dev/null @@ -1,79 +0,0 @@ -/* Initialization code for coldfire boards. - * - * Copyright (c) 2006 CodeSourcery Inc - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -#include <stdlib.h> - -extern const int __interrupt_vector[]; -extern void __reset (void); - -extern const char __data_load[] __attribute__ ((aligned (4))); -extern char __data_start[] __attribute__ ((aligned (4))); -extern char __bss_start[] __attribute__ ((aligned (4))); -extern char __end[] __attribute__ ((aligned (4))); -void *__heap_limit; -extern void software_init_hook (void) __attribute__ ((weak)); -extern void hardware_init_hook (void) __attribute__ ((weak)); -extern void _init (void); -extern void _fini (void); - -extern int main (int, char **, char **); - -/* This is called from a tiny assembly stub. */ -void __start1 (void *heap_limit) -{ - unsigned ix; - - if (hardware_init_hook) - hardware_init_hook (); - - /* Initialize memory */ - if (__data_load != __data_start) - memcpy (__data_start, __data_load, __bss_start - __data_start); - memset (__bss_start, 0, __end - __bss_start); - - __heap_limit = heap_limit; - - if (software_init_hook) - software_init_hook (); - - _init (); - - /* I'm not sure how useful it is to have a fini_section in an - embedded system. */ - atexit (_fini); - - ix = main (0, NULL, NULL); - exit (ix); - - while (1) - __reset (); -} - -/* A default hardware init hook. */ - -void __attribute__ ((weak)) hardware_init_hook (void) -{ - /* Set the VBR. */ - __asm__ __volatile__ ("movec.l %0,%/vbr" :: "r" (__interrupt_vector)); - -#if !defined(__mcf_family_5213) && !defined(__mcf_family_51qe) && !defined(__mcf_family_51) - /* Flush & enable the caches */ -#define CACR_CINV (1 << 24) -#define CACR_CENB (1 << 31) - __asm__ __volatile__ ("movec.l %0,%/cacr" :: "r" (CACR_CINV | CACR_CENB)); -#endif - - /* Should we drop into user mode here? */ -} |