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author | Anthony Green <green@moxielogic.com> | 2013-02-27 13:13:19 -0500 |
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committer | Gedare Bloom <gedare@rtems.org> | 2013-02-28 12:24:17 -0500 |
commit | ff11282c63811ff893a35fbc16e195e0e8089f4d (patch) | |
tree | 8cd95846325729c404548a2a35b7eae582e37ba8 /cpukit/score/cpu/moxie/rtems/asm.h | |
parent | libchip/network: Fixed warning (diff) | |
download | rtems-ff11282c63811ff893a35fbc16e195e0e8089f4d.tar.bz2 |
Add Moxie CPU support
Signed-off-by: Anthony Green <green@moxielogic.com>
Diffstat (limited to '')
-rw-r--r-- | cpukit/score/cpu/moxie/rtems/asm.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/cpukit/score/cpu/moxie/rtems/asm.h b/cpukit/score/cpu/moxie/rtems/asm.h new file mode 100644 index 0000000000..5ef1d13836 --- /dev/null +++ b/cpukit/score/cpu/moxie/rtems/asm.h @@ -0,0 +1,116 @@ +/** + * @file rtems/asm.h + * + * This include file attempts to address the problems + * caused by incompatible flavors of assemblers and + * toolsets. It primarily addresses variations in the + * use of leading underscores on symbols and the requirement + * that register names be preceded by a %. + */ + +/* + * NOTE: The spacing in the use of these macros + * is critical to them working as advertised. + * + * COPYRIGHT: + * + * This file is based on similar code found in newlib available + * from ftp.cygnus.com. The file which was used had no copyright + * notice. This file is freely distributable as long as the source + * of the file is noted. This file is: + * + * COPYRIGHT (c) 2011 + * Anthony Green + * + * COPYRIGHT (c) 1989-1999, 2010. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * $Id: asm.h,v 1.9 2010/06/29 00:31:09 joel Exp $ + */ + +#ifndef _RTEMS_ASM_H +#define _RTEMS_ASM_H + +/* + * Indicate we are in an assembly file and get the basic CPU definitions. + */ + +#include <rtems/score/moxie.h> + +/* + * Recent versions of GNU cpp define variables which indicate the + * need for underscores and percents. If not using GNU cpp or + * the version does not support this, then you will obviously + * have to define these as appropriate. + */ + +#ifndef __USER_LABEL_PREFIX__ +#define __USER_LABEL_PREFIX__ +#endif + +#ifndef __REGISTER_PREFIX__ +#define __REGISTER_PREFIX__ "$" +#endif + +#include <rtems/concat.h> + +/* Use the right prefix for global labels. */ + +#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x) + +/* Use the right prefix for registers. */ + +#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x) + +/* + * define macros for all of the registers on this CPU + * + * EXAMPLE: #define d0 REG (d0) + */ +#define fp REG(fp) +#define sp REG(sp) +#define r0 REG(r0) +#define r1 REG(r1) +#define r2 REG(r2) +#define r3 REG(r3) +#define r4 REG(r4) +#define r5 REG(r5) +#define r6 REG(r6) +#define r7 REG(r7) +#define r8 REG(r8) +#define r9 REG(r9) +#define r10 REG(r10) +#define r11 REG(r11) +#define r12 REG(r12) +#define r13 REG(r13) + +/* + * Define macros to handle section beginning and ends. + */ + + +#define BEGIN_CODE_DCL .text +#define END_CODE_DCL +#define BEGIN_DATA_DCL .data +#define END_DATA_DCL +#define BEGIN_CODE asm ( ".text +#define END_CODE "); +#define BEGIN_DATA +#define END_DATA +#define BEGIN_BSS +#define END_BSS +#define END + +/* + * Following must be tailor for a particular flavor of the C compiler. + * They may need to put underscores in front of the symbols. + */ + +#define PUBLIC(sym) .globl SYM (sym) +#define EXTERN(sym) .globl SYM (sym) + +#endif |