1998/0522/pc/archgeneric.c (diff list | history)

1998/0404/sys/src/9/pc/archgeneric.c:41,47 – 1998/0522/sys/src/9/pc/archgeneric.c:41,47 (short | long | prev | next)
change x86type to x86intel; add x86amd rsc Fri Mar 4 12:44:25 2005
1997/0327		char* name; } X86type; static X86type x86type[] =
1998/0522		static X86type x86intel[] =
1992/0923		{
1997/0327		{ 4, 0, 22, "486DX", }, /* known chips */ { 4, 1, 22, "486DX50", },
1998/0404/sys/src/9/pc/archgeneric.c:70,75 – 1998/0522/sys/src/9/pc/archgeneric.c:70,102
1997/0327		{ -1, -1, 23, "unknown", }, /* total default */
1992/0923		};
1997/0327
1998/0522		/* * The AMD processors all implement the CPUID instruction. * The later ones also return the processor name via functions * 0x80000002, 0x80000003 and 0x80000004 in registers AX, BX, CX * and DX: * K5 "AMD-K5(tm) Processor" * K6 "AMD-K6tm w/ multimedia extensions" * K6 3D "AMD-K6(tm) 3D processor" * K6 3D+ ? */ static X86type x86amd[] = { { 5, 0, 23, "AMD-K5", }, /* guesswork */ { 5, 1, 23, "AMD-K5", }, /* guesswork */ { 5, 2, 23, "AMD-K5", }, /* guesswork */ { 5, 3, 23, "AMD-K5", }, /* guesswork */ { 5, 6, 23, "AMD-K6", }, /* guesswork */ { 5, 7, 23, "AMD-K6", }, /* guesswork */ { 5, 8, 23, "AMD-K6 3D", }, /* guesswork */ { 5, 9, 23, "AMD-K6 3D+", },/* guesswork */ { 4, -1, 22, "Am486", }, /* guesswork */ { 5, -1, 23, "AMD-K5/K6", }, /* guesswork */ { -1, -1, 23, "unknown", }, /* total default */ };
1997/0327		void cpuidprint(void) {
1998/0404/sys/src/9/pc/archgeneric.c:93,105 – 1998/0522/sys/src/9/pc/archgeneric.c:120,137
1998/0401		vlong mct;
1997/0327		cpuid(m->cpuidid, &m->cpuidax, &m->cpuiddx);
1998/0522		if(strncmp(m->cpuidid, "AuthenticAMD", 12) == 0) t = x86amd; else t = x86intel;
1997/0327		family = X86FAMILY(m->cpuidax); model = X86MODEL(m->cpuidax); for(t = x86type; t->name; t++){
1998/0522		while(t->name){
1997/0327		if((t->family == family && t->model == model) || (t->family == family && t->model == -1) || (t->family == -1)) break;
1998/0522		t++;
1997/0327		} m->cpuidtype = t->name; i8253init(t->aalcycles);