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init.c
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init.c
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/*
* MemTest86+ V5 Specific code (GPL V2.0)
* By Samuel DEMEULEMEESTER, [email protected]
* http://www.canardpc.com - http://www.memtest.org
* ------------------------------------------------
* init.c - MemTest-86 Version 3.6
*
* Released under version 2 of the Gnu Public License.
* By Chris Brady
*/
#include "stdin.h"
#include "stddef.h"
#include "test.h"
#include "defs.h"
#include "config.h"
#include "cpuid.h"
#include "smp.h"
#include "io.h"
#include "spd.h"
#include "multiboot.h"
extern struct tseq tseq[];
extern short memsz_mode;
extern int num_cpus;
extern int act_cpus;
extern int found_cpus;
unsigned long imc_type = 0;
extern int maxcpus;
extern char cpu_mask[];
extern void initialise_cpus();
/* Here we store all of the cpuid data */
extern struct cpu_ident cpu_id;
int l1_cache=0, l2_cache=0, l3_cache=0;
int tsc_invariable = 0;
ulong extclock;
ulong memspeed(ulong src, ulong len, int iter);
static void cpu_type(void);
static int cpuspeed(void);
static void get_cache_size();
static void cpu_cache_speed();
void get_cpuid();
int beepmode;
int conservative_smp = CONSERVATIVE_SMP;
extern short dmi_initialized;
extern int dmi_err_cnts[MAX_DMI_MEMDEVS];
/* Failsafe function */
/* msec: number of ms to wait - scs: scancode expected to stop */
/* bits: 0 = extended detection - 1: SMP - 2: Temp Check */
/* 3: MP SMP - 4-7: RSVD */
void failsafe(int msec, int scs)
{
int i;
int pressed = 0;
ulong sh, sl, l, h, t;
unsigned char c;
volatile char *pp;
for(i=0, pp=(char *)(SCREEN_ADR+(18*160)+(18*2)+1); i<40; i++, pp+=2) {
*pp = 0x1E;
}
for(i=0, pp=(char *)(SCREEN_ADR+(18*160)+(18*2)+1); i<3; i++, pp+=2) {
*pp = 0x9E;
}
for(i=0, pp=(char *)(SCREEN_ADR+(18*160)+(55*2)+1); i<3; i++, pp+=2) {
*pp = 0x9E;
}
cprint(18, 18, "=> Press 1/F1 to enter Fail-Safe Mode <=");
if(v->fail_safe & 2)
{
cprint(19, 15, "=> Press 2/F2 to force Multi-Threading (SMP) <=");
}
/* save the starting time */
asm __volatile__(
"rdtsc":"=a" (sl),"=d" (sh));
/* loop for n seconds */
while (!pressed) {
asm __volatile__(
"rdtsc":"=a" (l),"=d" (h));
asm __volatile__ (
"subl %2,%0\n\t"
"sbbl %3,%1"
:"=a" (l), "=d" (h)
:"g" (sl), "g" (sh),
"0" (l), "1" (h));
t = h * ((unsigned)0xffffffff / v->clks_msec);
t += (l / v->clks_msec);
/* Is the time up? */
if (t >= msec) { break; }
/* Is expected Scan code pressed? */
c = get_key();
/* Serial console / Numeric keys */
switch(c - 1) { /* Numeric key base */
case 1: /* 1 */
v->fail_safe |= 1;
pressed++;
break;
case 2: /* 2 */
v->fail_safe ^= 2;
pressed++;
break;
case 3: /* 3 */
if(v->fail_safe & 2) { v->fail_safe ^= 2; }
v->fail_safe |= 8;
pressed++;
break;
}
c &= 0x7f;
c -= scs;
/* Function keys */
switch(c + 1) { /* Function key base */
case 1: /* F1 */
v->fail_safe |= 1;
pressed++;
break;
case 2: /* F2 */
v->fail_safe ^= 2;
pressed++;
break;
case 3: /* F3 */
if(v->fail_safe & 2) { v->fail_safe ^= 2; }
v->fail_safe |= 8;
pressed++;
break;
}
}
cprint(18, 18, " ");
cprint(19, 15, " ");
for(i=0, pp=(char *)(SCREEN_ADR+(18*160)+(18*2)+1); i<40; i++, pp+=2) {
*pp = 0x17;
}
}
static void display_init(void)
{
int i;
volatile char *pp;
/* Set HW cursor out of screen boundaries */
__outb(0x0F, 0x03D4);
__outb(0xFF, 0x03D5);
__outb(0x0E, 0x03D4);
__outb(0xFF, 0x03D5);
serial_echo_init();
serial_echo_print("[LINE_SCROLL;24r"); /* Set scroll area row 7-23 */
serial_echo_print("[H[2J"); /* Clear Screen */
serial_echo_print("[37m[44m");
serial_echo_print("[0m");
serial_echo_print("[37m[44m");
/* Clear screen & set background to blue */
for(i=0, pp=(char *)(SCREEN_ADR); i<80*24; i++) {
*pp++ = ' ';
*pp++ = 0x17;
}
/* Make the name background green */
for(i=0, pp=(char *)(SCREEN_ADR+1); i<TITLE_WIDTH; i++, pp+=2) {
*pp = 0x20;
}
cprint(0, 0, " Memtest86 5.01 ");
/* Set Blinking "+" */
for(i=0, pp=(char *)(SCREEN_ADR+1); i<2; i++, pp+=30) {
*pp = 0xA4;
}
cprint(0, 15, "+");
/* Do reverse video for the bottom display line */
for(i=0, pp=(char *)(SCREEN_ADR+1+(24 * 160)); i<80; i++, pp+=2) {
*pp = 0x71;
}
serial_echo_print("[0m");
}
/*
* Initialize test, setup screen and find out how much memory there is.
*/
void init(void)
{
int i;
outb(0x8, 0x3f2); /* Kill Floppy Motor */
/* Turn on cache */
set_cache(1);
/* Setup the display */
display_init();
cprint(5, 60, "| Time: 0:00:00");
cprint(1, COL_MID,"Pass %");
cprint(2, COL_MID,"Test %");
cprint(3, COL_MID,"Test #");
cprint(4, COL_MID,"Testing: ");
cprint(5, COL_MID,"Pattern: ");
cprint(1, 0, "CLK: (32b Mode)");
cprint(2, 0, "L1 Cache: Unknown ");
cprint(3, 0, "L2 Cache: Unknown ");
cprint(4, 0, "L3 Cache: None ");
cprint(5, 0, "Memory : ");
cprint(6, 0, "------------------------------------------------------------------------------");
cprint(7, 0, "Core#:");
cprint(8, 0, "State:");
cprint(9, 0, "Cores: Active / Total (Run: All) | Pass: 0 Errors: 0 ");
cprint(10, 0, "---------------------------------------- https://github.com/anphsw/memtest86 -");
/*
for(i=0, pp=(char *)(SCREEN_ADR+(5*160)+(53*2)+1); i<20; i++, pp+=2) {
*pp = 0x92;
}
for(i=0, pp=(char *)(SCREEN_ADR+0*160+1); i<80; i++, pp+=2) {
*pp = 0x47;
}
*/
cprint(7, 39, "| Chipset : Unknown");
cprint(8, 39, "| Memory Type : Unknown");
for(i=0; i < 6; i++) {
cprint(i, COL_MID-2, "| ");
}
footer();
aprint(5, 10, v->test_pages);
v->pass = 0;
v->msg_line = 0;
v->ecount = 0;
v->ecc_ecount = 0;
v->testsel = -1;
v->msg_line = LINE_SCROLL-1;
v->scroll_start = v->msg_line * 160;
v->erri.low_addr.page = 0x7fffffff;
v->erri.low_addr.offset = 0xfff;
v->erri.high_addr.page = 0;
v->erri.high_addr.offset = 0;
v->erri.min_bits = 32;
v->erri.max_bits = 0;
v->erri.min_bits = 32;
v->erri.max_bits = 0;
v->erri.maxl = 0;
v->erri.cor_err = 0;
v->erri.ebits = 0;
v->erri.hdr_flag = 0;
v->erri.tbits = 0;
for (i=0; tseq[i].msg != NULL; i++) {
tseq[i].errors = 0;
}
if (dmi_initialized) {
for (i=0; i < MAX_DMI_MEMDEVS; i++){
if (dmi_err_cnts[i] > 0) {
dmi_err_cnts[i] = 0;
}
}
}
/* setup beep mode */
beepmode = BEEP_MODE;
/* Get the cpu and cache information */
get_cpuid();
/* setup pci */
pci_init();
get_cache_size();
cpu_type();
cpu_cache_speed();
/* Check fail safe */
failsafe(5000, 0x3B);
/* Initalize SMP */
initialise_cpus();
for (i = 0; i <num_cpus; i++) {
dprint(7, i+7, i%10, 1, 0);
cprint(8, i+7, "S");
}
dprint(9, 19, num_cpus, 2, 0);
if((v->fail_safe & 3) == 2)
{
cprint(LINE_CPU,9, "(SMP: Disabled)");
cprint(LINE_RAM,9, "Running...");
}
// dprint(10, 5, found_cpus, 2, 0);
/* Find Memory Specs */
if(v->fail_safe & 1)
{
cprint(LINE_CPU, COL_SPEC, " **** FAIL SAFE **** FAIL SAFE **** ");
cprint(LINE_RAM, COL_SPEC, " No detection, same reliability ");
} else {
find_controller();
get_spd_spec();
if(num_cpus <= 16 && !(v->fail_safe & 4)) { coretemp(); }
}
if(v->check_temp > 0 && !(v->fail_safe & 4))
{
cprint(LINE_CPU, 26, "| TCPU ^C");
cprint(LINE_CPU+1, 26, "| TMAX ^C");
}
beep(600);
beep(1000);
/* Record the start time */
asm __volatile__ ("rdtsc":"=a" (v->startl),"=d" (v->starth));
v->snapl = v->startl;
v->snaph = v->starth;
if (l1_cache == 0) { l1_cache = 64; }
if (l2_cache == 0) { l1_cache = 512; }
v->printmode=PRINTMODE_ADDRESSES;
v->numpatn=0;
}
/* Get cache sizes for most AMD and Intel CPUs, exceptions for old CPUs are
* handled in CPU detection */
void get_cache_size()
{
int i, j, n, size;
unsigned int v[4];
unsigned char *dp = (unsigned char *)v;
struct cpuid4_eax *eax = (struct cpuid4_eax *)&v[0];
struct cpuid4_ebx *ebx = (struct cpuid4_ebx *)&v[1];
struct cpuid4_ecx *ecx = (struct cpuid4_ecx *)&v[2];
switch(cpu_id.vend_id.char_array[0]) {
/* AMD Processors */
case 'A':
//l1_cache = cpu_id.cache_info.amd.l1_i_sz;
l1_cache = cpu_id.cache_info.amd.l1_d_sz;
l2_cache = cpu_id.cache_info.amd.l2_sz;
l3_cache = cpu_id.cache_info.amd.l3_sz;
l3_cache *= 512;
break;
case 'G':
/* Intel Processors */
l1_cache = 0;
l2_cache = 0;
l3_cache = 0;
/* Use CPUID(4) if it is available */
if (cpu_id.max_cpuid > 3) {
/* figure out how many cache leaves */
n = -1;
do
{
++n;
/* Do cpuid(4) loop to find out num_cache_leaves */
cpuid_count(4, n, &v[0], &v[1], &v[2], &v[3]);
} while ((eax->ctype) != 0);
/* loop through all of the leaves */
for (i=0; i<n; i++)
{
cpuid_count(4, i, &v[0], &v[1], &v[2], &v[3]);
/* Check for a valid cache type */
if (eax->ctype == 1 || eax->ctype == 3)
{
/* Compute the cache size */
size = (ecx->number_of_sets + 1) *
(ebx->coherency_line_size + 1) *
(ebx->physical_line_partition + 1) *
(ebx->ways_of_associativity + 1);
size /= 1024;
switch (eax->level)
{
case 1:
l1_cache += size;
break;
case 2:
l2_cache += size;
break;
case 3:
l3_cache += size;
break;
}
}
}
return;
}
/* No CPUID(4) so we use the older CPUID(2) method */
/* Get number of times to iterate */
cpuid(2, &v[0], &v[1], &v[2], &v[3]);
n = v[0] & 0xff;
for (i=0 ; i<n ; i++) {
cpuid(2, &v[0], &v[1], &v[2], &v[3]);
/* If bit 31 is set, this is an unknown format */
for (j=0 ; j<3 ; j++) {
if (v[j] & (1 << 31)) {
v[j] = 0;
}
}
/* Byte 0 is level count, not a descriptor */
for (j = 1 ; j < 16 ; j++) {
switch(dp[j]) {
case 0x6:
case 0xa:
case 0x66:
l1_cache += 8;
break;
case 0x8:
case 0xc:
case 0xd:
case 0x60:
case 0x67:
l1_cache += 16;
break;
case 0xe:
l1_cache += 24;
break;
case 0x9:
case 0x2c:
case 0x30:
case 0x68:
l1_cache += 32;
break;
case 0x39:
case 0x3b:
case 0x41:
case 0x79:
l2_cache += 128;
break;
case 0x3a:
l2_cache += 192;
break;
case 0x21:
case 0x3c:
case 0x3f:
case 0x42:
case 0x7a:
case 0x82:
l2_cache += 256;
break;
case 0x3d:
l2_cache += 384;
break;
case 0x3e:
case 0x43:
case 0x7b:
case 0x7f:
case 0x80:
case 0x83:
case 0x86:
l2_cache += 512;
break;
case 0x44:
case 0x78:
case 0x7c:
case 0x84:
case 0x87:
l2_cache += 1024;
break;
case 0x45:
case 0x7d:
case 0x85:
l2_cache += 2048;
break;
case 0x48:
l2_cache += 3072;
break;
case 0x4e:
l2_cache += 6144;
break;
case 0x23:
case 0xd0:
l3_cache += 512;
break;
case 0xd1:
case 0xd6:
l3_cache += 1024;
break;
case 0x25:
case 0xd2:
case 0xd7:
case 0xdc:
case 0xe2:
l3_cache += 2048;
break;
case 0x29:
case 0x46:
case 0x49:
case 0xd8:
case 0xdd:
case 0xe3:
l3_cache += 4096;
break;
case 0x4a:
l3_cache += 6144;
break;
case 0x47:
case 0x4b:
case 0xde:
case 0xe4:
l3_cache += 8192;
break;
case 0x4c:
case 0xea:
l3_cache += 12288;
break;
case 0x4d:
l3_cache += 16384;
break;
case 0xeb:
l3_cache += 18432;
break;
case 0xec:
l3_cache += 24576;
break;
} /* end switch */
} /* end for 1-16 */
} /* end for 0 - n */
}
}
/*
* Find IMC type and set global variables accordingly
*/
void detect_imc(void)
{
// Check AMD IMC
if(cpu_id.vend_id.char_array[0] == 'A' && cpu_id.vers.bits.family == 0xF)
{
switch(cpu_id.vers.bits.extendedFamily)
{
case 0x0:
imc_type = 0x0100; // Old K8
break;
case 0x1:
case 0x2:
imc_type = 0x0101; // K10 (Family 10h & 11h)
break;
case 0x3:
imc_type = 0x0102; // A-Series APU (Family 12h)
break;
case 0x5:
imc_type = 0x0103; // C- / E- / Z- Series APU (Family 14h)
break;
case 0x6:
imc_type = 0x0104; // FX Series (Family 15h)
break;
case 0x7:
imc_type = 0x0105; // Kabini & related (Family 16h)
break;
}
return;
}
// Check Intel IMC
if(cpu_id.vend_id.char_array[0] == 'G' && cpu_id.vers.bits.family == 6 && cpu_id.vers.bits.extendedModel)
{
switch(cpu_id.vers.bits.model)
{
case 0x5:
if(cpu_id.vers.bits.extendedModel == 2) { imc_type = 0x0003; } // Core i3/i5 1st Gen 45 nm (NHM)
if(cpu_id.vers.bits.extendedModel == 3) { v->fail_safe |= 4; } // Atom Clover Trail
if(cpu_id.vers.bits.extendedModel == 4) { imc_type = 0x0007; } // HSW-ULT
break;
case 0x6:
if(cpu_id.vers.bits.extendedModel == 3) {
imc_type = 0x0009; // Atom Cedar Trail
v->fail_safe |= 4; // Disable Core temp
}
break;
case 0x7:
if(cpu_id.vers.bits.extendedModel == 3) {
imc_type = 0x000A; // Atom Bay Trail
}
break;
case 0xA:
switch(cpu_id.vers.bits.extendedModel)
{
case 0x1:
imc_type = 0x0001; // Core i7 1st Gen 45 nm (NHME)
break;
case 0x2:
imc_type = 0x0004; // Core 2nd Gen (SNB)
break;
case 0x3:
imc_type = 0x0006; // Core 3nd Gen (IVB)
break;
}
break;
case 0xC:
switch(cpu_id.vers.bits.extendedModel)
{
case 0x1:
if(cpu_id.vers.bits.stepping > 9) { imc_type = 0x0008; } // Atom PineView
v->fail_safe |= 4; // Disable Core temp
break;
case 0x2:
imc_type = 0x0002; // Core i7 1st Gen 32 nm (WMR)
break;
case 0x3:
imc_type = 0x0007; // Core 4nd Gen (HSW)
break;
}
break;
case 0xD:
imc_type = 0x0005; // SNB-E
break;
case 0xE:
imc_type = 0x0001; // Core i7 1st Gen 45 nm (NHM)
break;
}
if(imc_type) { tsc_invariable = 1; }
return;
}
}
void smp_default_mode(void)
{
int i, result;
char *cpupsn = cpu_id.brand_id.char_array;
char *disabledcpu[] = { "Opteron", "Xeon", "Genuine Intel" };
for(i = 0; i < 3; i++)
{
result = strstr(cpupsn , disabledcpu[i]);
if(result != -1) { v->fail_safe |= 0b10; }
}
// For 5.01 release, SMP disabled by defualt by config.h toggle
if(conservative_smp) { v->fail_safe |= 0b10; }
}
/*
* Find CPU type
*/
void cpu_type(void)
{
/* If we can get a brand string use it, and we are done */
if (cpu_id.max_xcpuid >= 0x80000004) {
cprint(0, COL_MID, cpu_id.brand_id.char_array);
//If we have a brand string, maybe we have an IMC. Check that.
detect_imc();
smp_default_mode();
return;
}
/* The brand string is not available so we need to figure out
* CPU what we have */
switch(cpu_id.vend_id.char_array[0]) {
/* AMD Processors */
case 'A':
switch(cpu_id.vers.bits.family) {
case 4:
switch(cpu_id.vers.bits.model) {
case 3:
cprint(0, COL_MID, "AMD 486DX2");
break;
case 7:
cprint(0, COL_MID, "AMD 486DX2-WB");
break;
case 8:
cprint(0, COL_MID, "AMD 486DX4");
break;
case 9:
cprint(0, COL_MID, "AMD 486DX4-WB");
break;
case 14:
cprint(0, COL_MID, "AMD 5x86-WT");
break;
case 15:
cprint(0, COL_MID, "AMD 5x86-WB");
break;
}
/* Since we can't get CPU speed or cache info return */
return;
case 5:
switch(cpu_id.vers.bits.model) {
case 0:
case 1:
case 2:
case 3:
cprint(0, COL_MID, "AMD K5");
l1_cache = 8;
break;
case 6:
case 7:
cprint(0, COL_MID, "AMD K6");
break;
case 8:
cprint(0, COL_MID, "AMD K6-2");
break;
case 9:
cprint(0, COL_MID, "AMD K6-III");
break;
case 13:
cprint(0, COL_MID, "AMD K6-III+");
break;
}
break;
case 6:
switch(cpu_id.vers.bits.model) {
case 1:
cprint(0, COL_MID, "AMD Athlon (0.25)");
break;
case 2:
case 4:
cprint(0, COL_MID, "AMD Athlon (0.18)");
break;
case 6:
if (l2_cache == 64) {
cprint(0, COL_MID, "AMD Duron (0.18)");
} else {
cprint(0, COL_MID, "Athlon XP (0.18)");
}
break;
case 8:
case 10:
if (l2_cache == 64) {
cprint(0, COL_MID, "AMD Duron (0.13)");
} else {
cprint(0, COL_MID, "Athlon XP (0.13)");
}
break;
case 3:
case 7:
cprint(0, COL_MID, "AMD Duron");
/* Duron stepping 0 CPUID for L2 is broken */
/* (AMD errata T13)*/
if (cpu_id.vers.bits.stepping == 0) { /* stepping 0 */
/* Hard code the right L2 size */
l2_cache = 64;
} else {
}
break;
}
break;
/* All AMD family values >= 10 have the Brand ID
* feature so we don't need to find the CPU type */
}
break;
/* Intel or Transmeta Processors */
case 'G':
if ( cpu_id.vend_id.char_array[7] == 'T' ) { /* GenuineTMx86 */
if (cpu_id.vers.bits.family == 5) {
cprint(0, COL_MID, "TM 5x00");
} else if (cpu_id.vers.bits.family == 15) {
cprint(0, COL_MID, "TM 8x00");
}
l1_cache = cpu_id.cache_info.ch[3] + cpu_id.cache_info.ch[7];
l2_cache = (cpu_id.cache_info.ch[11]*256) + cpu_id.cache_info.ch[10];
} else { /* GenuineIntel */
if (cpu_id.vers.bits.family == 4) {
switch(cpu_id.vers.bits.model) {
case 0:
case 1:
cprint(0, COL_MID, "Intel 486DX");
break;
case 2:
cprint(0, COL_MID, "Intel 486SX");
break;
case 3:
cprint(0, COL_MID, "Intel 486DX2");
break;
case 4:
cprint(0, COL_MID, "Intel 486SL");
break;
case 5:
cprint(0, COL_MID, "Intel 486SX2");
break;
case 7:
cprint(0, COL_MID, "Intel 486DX2-WB");
break;
case 8:
cprint(0, COL_MID, "Intel 486DX4");
break;
case 9:
cprint(0, COL_MID, "Intel 486DX4-WB");
break;
}
/* Since we can't get CPU speed or cache info return */
return;
}
switch(cpu_id.vers.bits.family) {
case 5:
switch(cpu_id.vers.bits.model) {
case 0:
case 1:
case 2:
case 3:
case 7:
cprint(0, COL_MID, "Pentium");
if (l1_cache == 0) {
l1_cache = 8;
}
break;
case 4:
case 8:
cprint(0, COL_MID, "Pentium-MMX");
if (l1_cache == 0) {
l1_cache = 16;
}
break;
}
break;
case 6:
switch(cpu_id.vers.bits.model) {
case 0:
case 1:
cprint(0, COL_MID, "Pentium Pro");
break;
case 3:
case 4:
cprint(0, COL_MID, "Pentium II");
break;
case 5:
if (l2_cache == 0) {
cprint(0, COL_MID, "Celeron");
} else {
cprint(0, COL_MID, "Pentium II");
}
break;
case 6:
if (l2_cache == 128) {
cprint(0, COL_MID, "Celeron");
} else {
cprint(0, COL_MID, "Pentium II");
}
}
break;
case 7:
case 8:
case 11:
if (l2_cache == 128) {
cprint(0, COL_MID, "Celeron");
} else {
cprint(0, COL_MID, "Pentium III");
}
break;
case 9:
if (l2_cache == 512) {
cprint(0, COL_MID, "Celeron M (0.13)");
} else {
cprint(0, COL_MID, "Pentium M (0.13)");
}
break;
case 10:
cprint(0, COL_MID, "Pentium III Xeon");
break;
case 12:
l1_cache = 24;
cprint(0, COL_MID, "Atom (0.045)");
break;
case 13:
if (l2_cache == 1024) {
cprint(0, COL_MID, "Celeron M (0.09)");
} else {
cprint(0, COL_MID, "Pentium M (0.09)");
}
break;
case 14:
cprint(0, COL_MID, "Intel Core");
break;
case 15:
if (l2_cache == 1024) {
cprint(0, COL_MID, "Pentium E");
} else {
cprint(0, COL_MID, "Intel Core 2");
}
break;
}
break;
case 15:
switch(cpu_id.vers.bits.model) {
case 0:
case 1:
case 2:
if (l2_cache == 128) {
cprint(0, COL_MID, "Celeron");
} else {
cprint(0, COL_MID, "Pentium 4");
}
break;
case 3:
case 4:
if (l2_cache == 256) {
cprint(0, COL_MID, "Celeron (0.09)");
} else {
cprint(0, COL_MID, "Pentium 4 (0.09)");
}
break;
case 6:
cprint(0, COL_MID, "Pentium D (65nm)");
break;
default:
cprint(0, COL_MID, "Unknown Intel");
break;
break;
}
}
break;
/* VIA/Cyrix/Centaur Processors with CPUID */
case 'C':
if ( cpu_id.vend_id.char_array[1] == 'e' ) { /* CentaurHauls */
l1_cache = cpu_id.cache_info.ch[3] + cpu_id.cache_info.ch[7];
l2_cache = cpu_id.cache_info.ch[11];
switch(cpu_id.vers.bits.family){
case 5:
cprint(0, COL_MID, "Centaur 5x86");
break;
case 6: // VIA C3
switch(cpu_id.vers.bits.model){
default:
if (cpu_id.vers.bits.stepping < 8) {
cprint(0, COL_MID, "VIA C3 Samuel2");
} else {
cprint(0, COL_MID, "VIA C3 Eden");
}
break;
case 10:
cprint(0, COL_MID, "VIA C7 (C5J)");
l1_cache = 64;
l2_cache = 128;
break;
case 13:
cprint(0, COL_MID, "VIA C7 (C5R)");
l1_cache = 64;
l2_cache = 128;
break;
case 15:
cprint(0, COL_MID, "VIA Isaiah (CN)");
l1_cache = 64;
l2_cache = 128;
break;
}
}
} else { /* CyrixInstead */
switch(cpu_id.vers.bits.family) {
case 5:
switch(cpu_id.vers.bits.model) {
case 0:
cprint(0, COL_MID, "Cyrix 6x86MX/MII");
break;
case 4:
cprint(0, COL_MID, "Cyrix GXm");
break;
}
return;
case 6: // VIA C3
switch(cpu_id.vers.bits.model) {
case 6:
cprint(0, COL_MID, "Cyrix III");
break;
case 7:
if (cpu_id.vers.bits.stepping < 8) {
cprint(0, COL_MID, "VIA C3 Samuel2");