libc/libgloss/xc16x/crt0.S
Jeff Johnston e6291536c7 2009-12-10 Conny Marco Menebrocker <c-m-m@gmx.de>
* configure.in: Add xc16x support.
        * configure: Regenerated.
        * xc16x/Makefile.in: New file for xc16x port.
        * xc16x/aclocal.m4: Ditto.
        * xc16x/close.S: Ditto.
        * xc16x/configure: Ditto.
        * xc16x/configure.in: Ditto.
        * xc16x/create.c: Ditto.
        * xc16x/crt0.S: Ditto.
        * xc16x/fstat.S: Ditto.
        * xc16x/getchar1.c: Ditto.
        * xc16x/isatty.c: Ditto.
        * xc16x/lseek.c: Ditto.
        * xc16x/mem-layout.c: Ditto.
        * xc16x/misc.c: Ditto.
        * xc16x/open.c: Ditto.
        * xc16x/read.c: Ditto.
        * xc16x/sbrk.c: Ditto.
        * xc16x/syscalls.c: Ditto.
        * xc16x/trap_handle.c: Ditto.
        * xc16x/write.c: Ditto.
        * xc16x/sys/syscall.h: Ditto.
2009-12-10 17:07:04 +00:00

42 lines
809 B
ArmAsm

/*
* Copyright (C) 2006 KPIT Cummins
* Copyright (C) 2009 Conny Marco Menebröcker
* All rights reserved.
*
* Redistribution and use in source and binary forms is permitted
* provided that the above copyright notice and following paragraph are
* duplicated in all such forms.
*
* This file is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
.section .text
.global _start
.align 2
_start:
#if __xc16xL__
mov dpp0,#0x2
#else
mov dpp0,#0x300
#endif
mov dpp1,#1
mov dpp2,#2
mov dpp3,#3
mov sp,#0xfc00
mov r0,#0xc000
#if __xc16x__
mov csp,#0x0
mov dpp0,#0x0
#else
mov csp,#0xc0
#endif
#if __xc16xL__
calls #SEG:_main,#SOF:_main
#else
calla cc_UC,_main
#endif
mov r8,#0x0
trap #0
ret