2001/0123/pc/apm.c (diff list | history)

2001/0123/sys/src/9/pc/apm.c:64,82 – 2002/0109/sys/src/9/pc/apm.c:64,69 (short | long | prev)
Remove loadgdt after changing GDT. XXX Why? rsc Fri Mar 4 12:44:25 2005
2000/1018		((base>>16)&0xFF) | SEGP | SEGPL(0) | flag; } static void loadgdt(void) { ulong x; ushort ptr[3];                  ptr[0] = sizeof(m->gdt); x = (ulong)m->gdt; ptr[1] = x & 0xFFFF; ptr[2] = (x>>16) & 0xFFFF; lgdt(ptr); }                  static ulong ax, cx, dx, di, ebx, esi; static Ureg apmu; static long
2001/0123/sys/src/9/pc/apm.c:154,160 – 2002/0109/sys/src/9/pc/apm.c:141,146
2000/1018		setgdt(APMCSEG, ax<<4, ((esi&0xFFFF)-1)&0xFFFF, SEGEXEC|SEGR|SEGD); setgdt(APMCSEG16, cx<<4, ((esi>>16)-1)&0xFFFF, SEGEXEC|SEGR); setgdt(APMDSEG, dx<<4, (di-1)&0xFFFF, SEGDATA|SEGW|SEGD); loadgdt(); addarchfile("apm", 0660, apmread, apmwrite);