From e6291536c7060db2c95b556434b2d41aecf5fba5 Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Thu, 10 Dec 2009 17:07:04 +0000 Subject: 2009-12-10 Conny Marco Menebrocker * 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. --- libgloss/xc16x/crt0.S | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 libgloss/xc16x/crt0.S (limited to 'libgloss/xc16x/crt0.S') diff --git a/libgloss/xc16x/crt0.S b/libgloss/xc16x/crt0.S new file mode 100644 index 000000000..0186f4740 --- /dev/null +++ b/libgloss/xc16x/crt0.S @@ -0,0 +1,41 @@ +/* + * 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 -- cgit v1.2.3