/* * 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 "arm"/* Override default min and max heap sizes.  ARM machines are   usually embedded, and the standard defaults are too large. */#define DEFAULT_MAX_HEAP 16*MB#define DEFAULT_MIN_HEAP 1*MB#ifdef DIRECT#define HANDLER_TABLE_T static const void#else#define HANDLER_TABLE_T void#endif#if defined(__VFP_FP__) || defined(__ARMEB__)#define DOUBLE_1_BITS 0x3ff0000000000000LL#else#define DOUBLE_1_BITS 0x000000003ff00000LL#endif#if defined(__VFP_FP__) || defined(__ARMEB__)#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#else#define READ_DBL(v,p,l)	v = ((u8)p[4]<<56)|((u8)p[5]<<48)|((u8)p[6]<<40) \                            |((u8)p[7]<<32)|((u8)p[0]<<24)|((u8)p[1]<<16) \                            |((u8)p[2]<<8)|(u8)p[3]; p+=8#endif/* Needed for i386 -- empty here */#define FPU_HACK#define COMPARE_AND_SWAP(addr, old_val, new_val) \({                                               \    int result, read_val;                        \    __asm__ __volatile__ ("                      \                mvn %1, #1;                      \        1:      swp %1, %1, [%2];                \                cmn %1, #2;                      \                beq 1b;                          \                cmp %3, %1;                      \                strne %1, [%2];                  \                movne %0, #0;                    \                streq %4, [%2];                  \                moveq %0, #1;"                   \    : "=&r" (result), "=&r" (read_val)           \    : "r" (addr), "r" (old_val), "r" (new_val)   \    : "cc", "memory");                           \    result;                                      \})#define ATOMIC_READ(addr)                        \({                                               \    int read_val;                                \    __asm__ __volatile__ ("                      \        1:      ldr %0, [%1];                    \                cmn %0, #2;                      \                beq 1b;"                         \    : "=&r" (read_val) : "r" (addr) : "cc");     \    read_val;                                    \})#define ATOMIC_WRITE(addr, new_val)              \do {                                             \    int read_val;                                \    __asm__ __volatile__ ("                      \                mvn %0, #1;                      \        1:      swp %0, %0, [%1];                \                cmn %0, #2;                      \                beq 1b;                          \                str %2, [%1];"                   \    : "=&r" (read_val)                           \    : "r" (addr), "r" (new_val)                  \    : "cc", "memory");                           \} while(0)#define MBARRIER() __asm__ __volatile__ ("" ::: "memory")#define UNLOCK_MBARRIER() __asm__ __volatile__ ("" ::: "memory")#define JMM_LOCK_MBARRIER() __asm__ __volatile__ ("" ::: "memory")#define JMM_UNLOCK_MBARRIER() __asm__ __volatile__ ("" ::: "memory")