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/////////////////////////////////////////////////////////////////////////
// $Id: memory.h,v 1.16 2003/08/05 13:19:35 cbothamy Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
//
// MandrakeSoft S.A.
// 43, rue d'Aboukir
// 75002 Paris - France
// http://www.linux-mandrake.com/
// http://www.mandrakesoft.com/
//
// 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
#define BX_USE_MEM_SMF 0
#if BX_USE_MEM_SMF
// if static member functions on, then there is only one memory
# define BX_MEM_SMF static
# define BX_MEM_THIS BX_MEM(0)->
#else
# define BX_MEM_SMF
# define BX_MEM_THIS this->
#endif
// alignment of memory vector, must be a power of 2
#define BX_MEM_VECTOR_ALIGN 4096
class BOCHSAPI BX_MEM_C : public logfunctions {
public:
Bit8u *actual_vector;
Bit8u *vector; // aligned correctly
size_t len;
size_t dma_limit;
size_t megabytes; // (len in Megabytes)
#if BX_PCI_SUPPORT
Bit8u shadow[4*16*4096]; // 256k of memory
#endif
#if BX_DEBUGGER
unsigned char dbg_dirty_pages[(BX_MAX_DIRTY_PAGE_TABLE_MEGS * 1024 * 1024) / 4096];
Bit32u dbg_count_dirty_pages () {
return (BX_MAX_DIRTY_PAGE_TABLE_MEGS * 1024 * 1024) / 4096;
}
#endif
unsigned long *page_array; /* for get_pfn_list() */
BX_MEM_C(void);
//BX_MEM_C(size_t memsize);
~BX_MEM_C(void);
BX_MEM_SMF void alloc_vector_aligned (size_t bytes, size_t alignment) BX_CPP_AttrRegparmN(2);
BX_MEM_SMF void init_memory(int memsize);
BX_MEM_SMF void readPhysicalPage(BX_CPU_C *cpu, Bit32u addr,
unsigned len, void *data) BX_CPP_AttrRegparmN(3);
BX_MEM_SMF void writePhysicalPage(BX_CPU_C *cpu, Bit32u addr,
unsigned len, void *data) BX_CPP_AttrRegparmN(3);
BX_MEM_SMF void load_ROM(const char *path, Bit32u romaddress, Bit8u type);
BX_MEM_SMF Bit32u get_memory_in_k(void);
#if BX_PCI_SUPPORT
BX_MEM_SMF Bit8u* pci_fetch_ptr(Bit32u addr) BX_CPP_AttrRegparmN(1);
#endif
BX_MEM_SMF bx_bool dbg_fetch_mem(Bit32u addr, unsigned len, Bit8u *buf);
BX_MEM_SMF bx_bool dbg_set_mem(Bit32u addr, unsigned len, Bit8u *buf);
BX_MEM_SMF bx_bool dbg_crc32(
unsigned long (*f)(unsigned char *buf, int len),
Bit32u addr1, Bit32u addr2, Bit32u *crc);
BX_MEM_SMF Bit8u * getHostMemAddr(BX_CPU_C *cpu, Bit32u a20Addr, unsigned op) BX_CPP_AttrRegparmN(3);
};
#if BX_PROVIDE_CPU_MEMORY==1
#if BX_SMP_PROCESSORS==1
BOCHSAPI extern BX_MEM_C bx_mem;
#else
BOCHSAPI extern BX_MEM_C *bx_mem_array[BX_ADDRESS_SPACES];
#endif /* BX_SMP_PROCESSORS */
#endif /* BX_PROVIDE_CPU_MEMORY==1 */
#if BX_DEBUGGER
# define BX_DBG_DIRTY_PAGE(page) BX_MEM(0)->dbg_dirty_pages[page] = 1;
#else
# define BX_DBG_DIRTY_PAGE(page)
#endif
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