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Added a total memory size call.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@965
This commit is contained in:
Sjoerd van der Berg 2003-04-27 07:06:44 +00:00
parent 6d4a305923
commit 1663e758b0
1 changed files with 6 additions and 0 deletions
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6
src/hardware/memory.cpp
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@ -31,6 +31,7 @@ HostPt WriteHostTable[MAX_PAGES];
MEMORY_ReadHandler ReadHandlerTable[MAX_PAGES];
MEMORY_WriteHandler WriteHandlerTable[MAX_PAGES];
static Bitu total_size;
/* Page handlers only work in lower memory */
#define LOW_PAGE_LIMIT PAGE_COUNT(1024*1024)
@ -245,6 +246,10 @@ void MEM_A20_Enable(bool enable) {
LOG(LOG_MISC,"A20 Line is %s",enable ? "Enabled" : "Disabled");
}
Bitu MEM_TotalSize(void) {
return total_size;
}
static void write_p92(Bit32u port,Bit8u val) {
// Bit 0 = system reset (switch back to real mode)
if (val&1) E_Exit("XMS: CPU reset via port 0x92 not supported.");
@ -273,6 +278,7 @@ void MEM_Init(Section * sec) {
LOG_MSG("Maximum memory size is %d MB",C_MEM_MAX_SIZE-1);
memsize=C_MEM_MAX_SIZE-1;
}
total_size=memsize*1024;
memory=(Bit8u *)malloc(memsize*1024*1024+64*1024);
if (!memory) {
throw("Can't allocate memory for memory");