/* * Copyright (C) 2003, 2004, 2005 Robert Lougher <rob@lougher.demon.co.uk>. * * This file is part of JamVM. * * 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, * 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */#define OS_ARCH "ppc"#define HANDLER_TABLE_T static const void#define DOUBLE_1_BITS 0x3ff0000000000000LL#define READ_DBL(v,p,l)	v = ((u8)p[0]<<56)|((u8)p[1]<<48)|((u8)p[2]<<40) \                            |((u8)p[3]<<32)|((u8)p[4]<<24)|((u8)p[5]<<16) \                            |((u8)p[6]<<8)|(u8)p[7]; p+=8/* Needed for i386 -- empty here */#define FPU_HACK#ifdef __ppc64__#define COMPARE_AND_SWAP(addr, old_val, new_val) \({                                               \    int result, read_val;                        \    __asm__ __volatile__ ("                      \                li %0,0\n                        \        1:      ldarx %1,0,%2\n                  \                cmpd %3,%1\n                     \                bne- 2f\n                        \                stdcx. %4,0,%2\n                 \                bne- 1b\n                        \                li %0,1\n                        \        2:"                                      \    : "=&r" (result), "=&r" (read_val)           \    : "r" (addr), "r" (old_val), "r" (new_val)   \    : "cc", "memory");                           \    result;                                      \})#else#define COMPARE_AND_SWAP(addr, old_val, new_val) \({                                               \    int result, read_val;                        \    __asm__ __volatile__ ("                      \                li %0,0\n                        \        1:      lwarx %1,0,%2\n                  \                cmpw %3,%1\n                     \                bne- 2f\n                        \                stwcx. %4,0,%2\n                 \                bne- 1b\n                        \                li %0,1\n                        \        2:"                                      \    : "=&r" (result), "=&r" (read_val)           \    : "r" (addr), "r" (old_val), "r" (new_val)   \    : "cc", "memory");                           \    result;                                      \})#endif#define ATOMIC_READ(addr) *addr#define ATOMIC_WRITE(addr, value) *addr = value#define MBARRIER() __asm__ __volatile__ ("sync" ::: "memory")#define UNLOCK_MBARRIER() __asm__ __volatile__ ("sync" ::: "memory")#define JMM_LOCK_MBARRIER() __asm__ __volatile__ ("isync" ::: "memory")#define JMM_UNLOCK_MBARRIER() __asm__ __volatile__ ("lwsync" ::: "memory")