diff options
Diffstat (limited to 'sysdeps/standalone/m68k/m68020/m68020.h')
| -rw-r--r-- | sysdeps/standalone/m68k/m68020/m68020.h | 69 |
1 files changed, 34 insertions, 35 deletions
diff --git a/sysdeps/standalone/m68k/m68020/m68020.h b/sysdeps/standalone/m68k/m68020/m68020.h index e9e6f7d875..8fce423f96 100644 --- a/sysdeps/standalone/m68k/m68020/m68020.h +++ b/sysdeps/standalone/m68k/m68020/m68020.h @@ -1,27 +1,26 @@ -/* Copyright (C) 1994 Free Software Foundation, Inc. +/* Copyright (C) 1994, 1997 Free Software Foundation, Inc. Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil), On-Line Applications Research Corporation. - -This file is part of the GNU C Library. - -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. - -The GNU C Library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Library General Public License for more details. - -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ /* m68020.h * - * This file contains macros which are used to access MC68020 + * This file contains macros which are used to access MC68020 * registers which are not addressable by C. These are * useful when developing the board specific support. */ @@ -34,53 +33,53 @@ typedef void ( *mc68020_isr )( void ); #define disable_intr( level ) \ { (level) = 0; \ asm volatile ( "movew %%sr,%0 ; \ - orw #0x0700,%%sr" \ - : "=d" ((level)) : "0" ((level)) ); \ + orw #0x0700,%%sr" \ + : "=d" ((level)) : "0" ((level)) ); \ } #define enable_intr( level ) \ { asm volatile ( "movew %0,%%sr " \ - : "=d" ((level)) : "0" ((level)) ); \ + : "=d" ((level)) : "0" ((level)) ); \ } #define flash_intr( level ) \ { asm volatile ( "movew %0,%%sr ; \ - orw #0x0700,%%sr" \ - : "=d" ((level)) : "0" ((level)) ); \ + orw #0x0700,%%sr" \ + : "=d" ((level)) : "0" ((level)) ); \ } #define get_vbr( vbr ) \ { (vbr) = 0; \ asm volatile ( "movec %%vbr,%0 " \ - : "=a" (vbr) : "0" (vbr) ); \ + : "=a" (vbr) : "0" (vbr) ); \ } #define set_vbr( vbr ) \ { register mc68020_isr *_vbr= (mc68020_isr *)(vbr); \ asm volatile ( "movec %0,%%vbr " \ - : "=a" (_vbr) : "0" (_vbr) ); \ + : "=a" (_vbr) : "0" (_vbr) ); \ } #define enable_caching() \ { register unsigned int _ctl=0x01; \ asm volatile ( "movec %0,%%cacr" \ - : "=d" (_ctl) : "0" (_ctl) ); \ + : "=d" (_ctl) : "0" (_ctl) ); \ } #define delay( microseconds ) \ { register unsigned int _delay=(microseconds); \ register unsigned int _tmp=123; \ asm volatile( "0: \ - nbcd %0 ; \ - nbcd %0 ; \ - dbf %1,0 " \ - : "=d" (_tmp), "=d" (_delay) \ - : "0" (_tmp), "1" (_delay) ); \ + nbcd %0 ; \ + nbcd %0 ; \ + dbf %1,0 " \ + : "=d" (_tmp), "=d" (_delay) \ + : "0" (_tmp), "1" (_delay) ); \ } -#define enable_tracing() -#define cause_intr( X ) -#define clear_intr( X ) +#define enable_tracing() +#define cause_intr( X ) +#define clear_intr( X ) extern mc68020_isr M68Kvec[]; /* vector table address */ |