/* * common defines for all CPUs * * Copyright (c) 2003 Fabrice Bellard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef CPU_DEFS_H #define CPU_DEFS_H #include "config.h" #include <setjmp.h> #include <inttypes.h> #include "osdep.h" #ifndef TARGET_LONG_BITS #error TARGET_LONG_BITS must be defined before including this header #endif #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) #define HOST_LONG_BITS 64 #else #define HOST_LONG_BITS 32 #endif #ifndef TARGET_PHYS_ADDR_BITS #if TARGET_LONG_BITS >= HOST_LONG_BITS #define TARGET_PHYS_ADDR_BITS TARGET_LONG_BITS #else #define TARGET_PHYS_ADDR_BITS HOST_LONG_BITS #endif #endif #define TARGET_LONG_SIZE (TARGET_LONG_BITS / 8) /* target_ulong is the type of a virtual address */ #if TARGET_LONG_SIZE == 4 typedef int32_t target_long; typedef uint32_t target_ulong; #define TARGET_FMT_lx "%08x" #elif TARGET_LONG_SIZE == 8 typedef int64_t target_long; typedef uint64_t target_ulong; #define TARGET_FMT_lx "%016llx" #else #error TARGET_LONG_SIZE undefined #endif /* target_phys_addr_t is the type of a physical address (its size can be different from 'target_ulong'). We have sizeof(target_phys_addr) = max(sizeof(unsigned long), sizeof(size_of_target_physical_address)) because we must pass a host pointer to memory operations in some cases */ #if TARGET_PHYS_ADDR_BITS == 32 typedef uint32_t target_phys_addr_t; #elif TARGET_PHYS_ADDR_BITS == 64 typedef uint64_t target_phys_addr_t; #else #error TARGET_PHYS_ADDR_BITS undefined #endif #define HOST_LONG_SIZE (HOST_LONG_BITS / 8) #define EXCP_INTERRUPT 256 /* async interruption */ #define EXCP_HLT 257 /* hlt instruction reached */ #define EXCP_DEBUG 258 /* cpu stopped after a breakpoint or singlestep */ #define MAX_BREAKPOINTS 32 #define CPU_TLB_SIZE 256 typedef struct CPUTLBEntry { /* bit 31 to TARGET_PAGE_BITS : virtual address bit TARGET_PAGE_BITS-1..IO_MEM_SHIFT : if non zero, memory io zone number bit 3 : indicates that the entry is invalid bit 2..0 : zero */ target_ulong address; /* addend to virtual address to get physical address */ target_phys_addr_t addend; } CPUTLBEntry; #endif