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Diffstat (limited to 'tools/ioemu/memory/memory.h')
| -rw-r--r-- | tools/ioemu/memory/memory.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/tools/ioemu/memory/memory.h b/tools/ioemu/memory/memory.h new file mode 100644 index 0000000000..2af787b3c3 --- /dev/null +++ b/tools/ioemu/memory/memory.h @@ -0,0 +1,98 @@ +///////////////////////////////////////////////////////////////////////// +// $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 |