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memory detection routines need debugging
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deus the programmer
Dec 20, 2009, 10:05:02 AM12/20/09
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hello i have the following c code to retrieve the extended memory in a
pc however it wont detect up to 4GBs can someone help me rewite it to
detect up to 4gb of ram? thanks ed.
pc however it wont detect up to 4GBs can someone help me rewite it to
detect up to 4gb of ram? thanks ed.
int get_system_memory(void)
{
int base;
int ext;
base = nvread(0x15) | (nvread(0x16) << 8);
ext = nvread(0x17) | (nvread(0x18) << 8);
cprintf("\n\r%d Base Memory, %d Extended Memory", base, ext);
return 0;
}
Rugxulo
Dec 21, 2009, 3:39:03 AM12/21/09
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Hi,
On Dec 20, 9:05 am, deus the programmer
<deustheprogram...@googlemail.com> wrote:
>
> hello i have the following c code to retrieve the extended memory in a
> pc however it wont detect up to 4GBs can someone help me rewite it to
> detect up to 4gb of ram? thanks ed.
Maybe this will help? Else start digging through DPMI hosts / DOS
extenders (e.g. HDPMI32):
http://wiki.osdev.org/How_Do_I_Determine_The_Amount_Of_RAM
http://www.japheth.de/HX.html
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