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- fixed memory init code for restart support in wx (a lot more changes in other

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parts of Bochs are needed to make it really work)
This commit is contained in:
Volker Ruppert 2006-09-01 18:14:13 +00:00
parent 173d126763
commit 77217aa7b8
1 changed files with 32 additions and 24 deletions

56
bochs/memory/misc_mem.cc

@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: misc_mem.cc,v 1.94 2006-06-06 16:46:08 sshwarts Exp $
// $Id: misc_mem.cc,v 1.95 2006-09-01 18:14:13 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002 MandrakeSoft S.A.
@ -89,8 +89,10 @@ BX_MEM_C::~BX_MEM_C()
vector = NULL;
delete [] memory_handlers;
memory_handlers = NULL;
}
else {
#if BX_DEBUGGER
delete [] BX_MEM_THIS dbg_dirty_pages;
#endif
} else {
BX_DEBUG(("Memory not freed as it wasn't allocated !"));
}
}
@ -99,31 +101,36 @@ void BX_MEM_C::init_memory(int memsize)
{
unsigned idx;
BX_DEBUG(("Init $Id: misc_mem.cc,v 1.94 2006-06-06 16:46:08 sshwarts Exp $"));
// you can pass 0 if memory has been allocated already through
// the constructor, or the desired size of memory if it hasn't
BX_DEBUG(("Init $Id: misc_mem.cc,v 1.95 2006-09-01 18:14:13 vruppert Exp $"));
if (BX_MEM_THIS vector == NULL) {
// memory not already allocated, do now...
alloc_vector_aligned (memsize+ BIOSROMSZ + EXROMSIZE + 4096, BX_MEM_VECTOR_ALIGN);
BX_MEM_THIS len = memsize;
BX_MEM_THIS megabytes = memsize / (1024*1024);
BX_MEM_THIS memory_handlers = new struct memory_handler_struct *[1024 * 1024];
BX_MEM_THIS rom = &BX_MEM_THIS vector[memsize];
BX_MEM_THIS bogus = &BX_MEM_THIS vector[memsize + BIOSROMSZ + EXROMSIZE];
if (BX_MEM_THIS vector != NULL) {
delete [] BX_MEM_THIS actual_vector;
BX_MEM_THIS actual_vector = NULL;
BX_MEM_THIS vector = NULL;
delete [] BX_MEM_THIS memory_handlers;
BX_MEM_THIS memory_handlers = NULL;
#if BX_DEBUGGER
unsigned pages = get_num_allocated_pages();
BX_MEM_THIS dbg_dirty_pages = new Bit8u[pages];
memset(BX_MEM_THIS dbg_dirty_pages, 0, pages);
delete [] BX_MEM_THIS dbg_dirty_pages;
#endif
memset(BX_MEM_THIS rom, 0xff, BIOSROMSZ + EXROMSIZE);
memset(BX_MEM_THIS bogus, 0xff, 4096);
for (idx = 0; idx < 1024 * 1024; idx++)
BX_MEM_THIS memory_handlers[idx] = NULL;
for (idx = 0; idx < 65; idx++)
BX_MEM_THIS rom_present[idx] = 0;
BX_INFO(("%.2fMB", (float)(BX_MEM_THIS megabytes)));
}
alloc_vector_aligned (memsize+ BIOSROMSZ + EXROMSIZE + 4096, BX_MEM_VECTOR_ALIGN);
BX_MEM_THIS len = memsize;
BX_MEM_THIS megabytes = memsize / (1024*1024);
BX_MEM_THIS memory_handlers = new struct memory_handler_struct *[1024 * 1024];
BX_MEM_THIS rom = &BX_MEM_THIS vector[memsize];
BX_MEM_THIS bogus = &BX_MEM_THIS vector[memsize + BIOSROMSZ + EXROMSIZE];
#if BX_DEBUGGER
unsigned pages = get_num_allocated_pages();
BX_MEM_THIS dbg_dirty_pages = new Bit8u[pages];
memset(BX_MEM_THIS dbg_dirty_pages, 0, pages);
#endif
memset(BX_MEM_THIS rom, 0xff, BIOSROMSZ + EXROMSIZE);
memset(BX_MEM_THIS bogus, 0xff, 4096);
for (idx = 0; idx < 1024 * 1024; idx++)
BX_MEM_THIS memory_handlers[idx] = NULL;
for (idx = 0; idx < 65; idx++)
BX_MEM_THIS rom_present[idx] = 0;
BX_MEM_THIS pci_enabled = SIM->get_param_bool(BXPN_I440FX_SUPPORT)->get();
BX_MEM_THIS smram_available = 0;
BX_MEM_THIS smram_enable = 0;
@ -131,6 +138,7 @@ void BX_MEM_C::init_memory(int memsize)
// accept only memory size which is multiply of 1M
BX_ASSERT((BX_MEM_THIS len & 0xfffff) == 0);
BX_INFO(("%.2fMB", (float)(BX_MEM_THIS megabytes)));
#if BX_SUPPORT_SAVE_RESTORE
bx_list_c *list = new bx_list_c(SIM->get_sr_root(), "memory", "Memory State");