/*
* Get physical memory size
*/
unsigned int
pc98_getmemsize(unsigned int *base, unsigned int *ext)
{
unsigned int under16, over16;
/* available conventional memory size */
*base = ((PC98_SYSTEM_PARAMETER(0x501) & 7) + 1) * 128;
/* available protected memory size under 16MB */
under16 = PC98_SYSTEM_PARAMETER(0x401) * 128 + 1024;
#ifdef EPSON_MEMWIN
if (pc98_machine_type & M_EPSON_PC98) {
if (under16 > (15 * 1024))
/* chop under16 memory to 15MB */
under16 = 15 * 1024;
init_epson_memwin();
}
#endif
/* available protected memory size over 16MB / 1MB */
over16 = PC98_SYSTEM_PARAMETER(0x594);
over16 += PC98_SYSTEM_PARAMETER(0x595) * 256;
if (over16 > 0)
*ext = (16 + over16) * 1024 - 1024;
else
*ext = under16 - 1024;
return (under16);
}
/*
* Get physical memory size
*/
void
pc98_getmemsize(void)
{
unsigned char under16, over16;
/* available protected memory size under 16MB / 128KB */
under16 = PC98_SYSTEM_PARAMETER(0x401);
/* available protected memory size over 16MB / 1MB */
over16 = PC98_SYSTEM_PARAMETER(0x594);
/* add conventional memory size (1024KB / 128KB = 8) */
under16 += 8;
Maxmem = Maxmem_under16M = under16 * 128 * 1024 / PAGE_SIZE;
Maxmem += (over16 * 1024 * 1024 / PAGE_SIZE);
#ifdef EPSON_MEMWIN
init_epson_memwin();
#endif
}
