diff options
| author | Nick Clifton <nickc@redhat.com> | 2013-09-18 11:38:13 +0400 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2013-09-18 11:38:13 +0400 |
| commit | 796a9241b3d383297da92d59476476ebb3a83f15 (patch) | |
| tree | 4c3e163508da96c65f1fdc5c852208dc5ac70f77 /libgloss/msp430/crt_bss.S | |
| parent | 37e1d79259b3eb25f1ae26a7495961b21684b532 (diff) | |
* msp430/Makefile.in (SCRIPTS): Add intr_vectors.ld.
(LIB_CRT): New.
(CRT_OBJS): New.
(all): Add dependency upon LIB_CRT.
(install): Likewise.
* msp430/msp430-sim.ld: Include intr_vectors.ld.
KEEP crt code, lowtext code and tm_clone_table.
Separate the noinit section from the .bss section.
Allow for extended .debug_line sections.
* msp430/msp430.ld: Likewise.
* msp430/msp430F5438A-l.ld: Likewise.
* msp430/msp430F5438A-s.ld: Likewise.
* msp430/msp430xl-sim.ld: Likewise
. * msp430/crt_movedata.S: New.
* msp430/crt_bss.S: New.
* msp430/intr_vectors.ld: New.
Diffstat (limited to 'libgloss/msp430/crt_bss.S')
| -rw-r--r-- | libgloss/msp430/crt_bss.S | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/libgloss/msp430/crt_bss.S b/libgloss/msp430/crt_bss.S new file mode 100644 index 000000000..27ab2efeb --- /dev/null +++ b/libgloss/msp430/crt_bss.S @@ -0,0 +1,44 @@ +/* Copyright (c) 2012-2013 Red Hat Incorporated. + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + The name of Red Hat Incorporated may not be used to endorse + or promote products derived from this software without specific + prior written permission. + + This software is provided by the copyright holders and contributors + "AS IS" and any express or implied warranties, including, but not + limited to, the implied warranties of merchantability and fitness for + a particular purpose are disclaimed. In no event shall Red Hat + incorporated be liable for any direct, indirect, incidental, special, + exemplary, or consequential damages (including, but not limited to, + procurement of substitute goods or services; loss of use, data, or + profits; or business interruption) however caused and on any theory of + liability, whether in contract, strict liability, or tort (including + negligence or otherwise) arising in any way out of the use of this + software, even if advised of the possibility of such damage. */ + +#include "memmodel.h" + + .section ".crt_bss", "ax", @progbits + + .global __crt0_init_bss +__crt0_init_bss: + + mov_ #__bssstart, R12 + clr.w R13 + mov.w #__bsssize, R14 +#ifdef __MSP430X_LARGE__ + clr.w R15 ; We assume that __bsssize is never > 64M +#endif + call_ #memset |