From c2f02da21a3f37f0878554eebc785e04fdc4e128 Mon Sep 17 00:00:00 2001 From: Daniel Hellstrom Date: Fri, 28 Mar 2008 09:47:00 +0100 Subject: SPARC: Added generic support for SPARC architecture. Signed-off-by: Daniel Hellstrom --- include/asm-sparc/asmmacro.h | 45 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 include/asm-sparc/asmmacro.h (limited to 'include/asm-sparc/asmmacro.h') diff --git a/include/asm-sparc/asmmacro.h b/include/asm-sparc/asmmacro.h new file mode 100644 index 00000000000..0c4cefdf40b --- /dev/null +++ b/include/asm-sparc/asmmacro.h @@ -0,0 +1,45 @@ +/* Assembler macros for SPARC + * + * (C) Copyright 2007, taken from linux asm-sparc/asmmacro.h + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __SPARC_ASMMACRO_H__ +#define __SPARC_ASMMACRO_H__ + +#include + +/* All trap entry points _must_ begin with this macro or else you + * lose. It makes sure the kernel has a proper window so that + * c-code can be called. + */ +#define SAVE_ALL_HEAD \ + sethi %hi(trap_setup+(CFG_RELOC_MONITOR_BASE-TEXT_BASE)), %l4; \ + jmpl %l4 + %lo(trap_setup+(CFG_RELOC_MONITOR_BASE-TEXT_BASE)), %l6; +#define SAVE_ALL \ + SAVE_ALL_HEAD \ + nop; + +/* All traps low-level code here must end with this macro. */ +#define RESTORE_ALL b ret_trap_entry; clr %l6; + +#endif -- cgit v1.2.3