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cpuid: consolidate tools to one tool

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* Don't move vendor mask
* Place extended cpu info before vendor *if* amd
  cpu family == 0xF
This commit is contained in:
Alexander von Gluck IV
2012-06-04 08:34:44 -05:00
parent 76f066c2a1
commit bd12d75f96
2 changed files with 22 additions and 120 deletions
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src/tools/amdcpuid.c
-109
View File
@@ -1,109 +0,0 @@
/*
* Copyright 2012 Haiku, Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Alexander von Gluck, [email protected]
*/
/*
* Pass an AMD CPUID in hex, and get out a CPUID for OS.h
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define AMD_VENDOR 0x110000
#define EXT_FAMILY_MASK 0xF00000
#define EXT_MODEL_MASK 0x0F0000
#define FAMILY_MASK 0x000F00
#define MODEL_MASK 0x0000F0
#define STEPPING_MASK 0x00000F
// Converts a hexadecimal string to integer
static int xtoi(const char* xs, unsigned int* result)
{
size_t szlen = strlen(xs);
int i, xv, fact;
if (szlen > 0) {
// Converting more than 32bit hexadecimal value?
if (szlen>8) return 2; // exit
// Begin conversion here
*result = 0;
fact = 1;
// Run until no more character to convert
for (i = szlen - 1; i>=0 ;i--) {
if (isxdigit(*(xs+i))) {
if (*(xs+i)>=97) {
xv = ( *(xs+i) - 97) + 10;
} else if ( *(xs+i) >= 65) {
xv = (*(xs+i) - 65) + 10;
} else {
xv = *(xs+i) - 48;
}
*result += (xv * fact);
fact *= 16;
} else {
// Conversion was abnormally terminated
// by non hexadecimal digit, hence
// returning only the converted with
// an error value 4 (illegal hex character)
return 4;
}
}
}
// Nothing to convert
return 1;
}
int
main(int argc, char *argv[])
{
if (argc != 2) {
printf("Provide the AMD cpuid in hex, and you will get how we id it\n");
printf("usage: amdcpuid <cpuid_hex>\n");
return 1;
}
unsigned int cpuid;
xtoi(argv[1], &cpuid);
printf("cpuid: 0x%X\n", cpuid);
unsigned int extFam = (cpuid & EXT_FAMILY_MASK) >> 20;
unsigned int extMod = (cpuid & EXT_MODEL_MASK) >> 16;
unsigned int family = (cpuid & FAMILY_MASK) >> 8;
unsigned int model = (cpuid & MODEL_MASK) >> 4;
unsigned int stepping = (cpuid & STEPPING_MASK);
unsigned int amdFamily = 0;
unsigned int amdModel = 0;
if (family == 0xF) {
amdFamily = extFam + family;
amdModel = (extMod << 4) + model;
} else {
amdFamily = family;
amdModel = model;
}
// Haiku AMD cpuid format: VVFFMM
unsigned int amdHaiku
= AMD_VENDOR + (amdFamily << 8) + amdModel;
printf("family: 0x%lX\n", amdFamily);
printf("model: 0x%lX\n", amdModel);
printf("stepping: 0x%lX\n", stepping);
printf("Haiku CPUID: 0x%lX\n", amdHaiku);
return 0;
}
src/tools/intelcpuid.c → src/tools/cpuidtool.c
+22 -11
View File
@@ -16,8 +16,6 @@
#include <string.h>
#define INTEL_VENDOR 0x100000
#define EXT_FAMILY_MASK 0xF00000
#define EXT_MODEL_MASK 0x0F0000
#define FAMILY_MASK 0x000F00
@@ -69,14 +67,14 @@ static int xtoi(const char* xs, unsigned int* result)
int
main(int argc, char *argv[])
{
if (argc != 2) {
printf("Provide the Intel cpuid in hex, and you will get how we id it\n");
printf("usage: intelcpuid <cpuid_hex>\n");
if (argc != 3) {
printf("Provide the cpuid in hex, and you will get how we id it\n");
printf("usage: cpuidhaiku <AMD|INTEL> <cpuid_hex>\n");
return 1;
}
unsigned int cpuid;
xtoi(argv[1], &cpuid);
unsigned int cpuid = 0;
xtoi(argv[2], &cpuid);
printf("cpuid: 0x%X\n", cpuid);
@@ -86,11 +84,24 @@ main(int argc, char *argv[])
unsigned int model = (cpuid & MODEL_MASK) >> 4;
unsigned int stepping = (cpuid & STEPPING_MASK);
// Haiku INTEL cpuid format: VVEFEM
unsigned int intelHaiku = INTEL_VENDOR + ((extFam & 0xF) << 12)
+ (family << 8) + (extMod << 4) + model;
unsigned int cpuidHaiku;
if (strncmp(argv[1], "AMD", 3) == 0) {
if (family == 0xF) {
cpuidHaiku = (extFam << 20) + (extMod << 16)
+ (family << 4) + model;
} else
cpuidHaiku = (family << 4) + model;
cpuidHaiku += 0x1100; // AMD vendor id
} else if (strncmp(argv[1], "INTEL", 5) == 0) {
cpuidHaiku = (extFam << 20) + (extMod << 16)
+ (family << 4) + model;
cpuidHaiku += 0x1000; // Intel vendor id
} else {
printf("Vendor should be AMD or INTEL\n");
return 1;
}
printf("Haiku CPUID: 0x%lX\n", intelHaiku);
printf("Haiku CPUID: 0x%lx\n", cpuidHaiku);
return 0;
}