- Added support in system info for extended cpu family and model.

- Take extended family and model into account when generating the cpu
  type and revision.
- Added Intel Core 2 Extreme to the cpu list.

Please review.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24509 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/kernel/OS.h

@@ -455,6 +455,7 @@ typedef enum cpu_types {
 	B_CPU_INTEL_PENTIUM_IV_MODEL_2,
 	B_CPU_INTEL_PENTIUM_IV_MODEL_3,
 	B_CPU_INTEL_PENTIUM_IV_MODEL_4,
+	B_CPU_INTEL_PENTIUM_CORE_2_EXTREME	= 0x1467, 
 
 	/* AMD */
 	

headers/private/kernel/arch/x86/arch_cpu.h

@@ -189,8 +189,10 @@ typedef struct arch_cpu_info {
 	const char *vendor_name;
 	int type;
 	int family;
+	int extended_family;
 	int stepping;
 	int model;
+	int extended_model;
 	char feature_string[256];
 
 	// local TSS for this cpu

headers/private/shared/cpu_type.h

@@ -8,6 +8,7 @@
  */
 
 #include <stdlib.h>
+#include <stdio.h>
 
 #include <OS.h>
 
@@ -48,7 +49,14 @@ get_cpu_vendor_string(enum cpu_types type)
 				return "VIA";
 			return "IDT";
 		case B_CPU_RISE_x86:
-			return "Rise";
+			// TODO(bga): There is a conflict between new Intel
+			// CPUs that sets extended model bits and the RISE
+			// CPUs. For now we check for it here but there is
+			// probably a better solution.
+			if (type == B_CPU_INTEL_PENTIUM_CORE_2_EXTREME)
+				return "Intel";
+			else 
+				return "Rise";
 		case B_CPU_TRANSMETA_x86:
 			return "Transmeta";
 
@@ -115,6 +123,8 @@ get_cpu_model_string(system_info *info)
 		case B_CPU_INTEL_PENTIUM_IV_MODEL_3:		
 		case B_CPU_INTEL_PENTIUM_IV_MODEL_4:
 			return "Pentium 4";
+		case B_CPU_INTEL_PENTIUM_CORE_2_EXTREME:
+			return "Core 2 Extreme";
 
 		/* AMD */
 		case B_CPU_AMD_K5_MODEL_0:

src/system/kernel/arch/x86/arch_cpu.c

@@ -356,10 +356,15 @@ detect_cpu(int curr_cpu)
 	get_current_cpuid(&cpuid, 1);
 	cpu->arch.type = cpuid.eax_1.type;
 	cpu->arch.family = cpuid.eax_1.family;
+	cpu->arch.extended_family = cpuid.eax_1.extended_family;
 	cpu->arch.model = cpuid.eax_1.model;
+	cpu->arch.extended_model = cpuid.eax_1.extended_model;
 	cpu->arch.stepping = cpuid.eax_1.stepping;
-	dprintf("CPU %d: type %d family %d model %d stepping %d, string '%s'\n",
-		curr_cpu, cpu->arch.type, cpu->arch.family, cpu->arch.model, cpu->arch.stepping, vendor_str);
+	dprintf("CPU %d: type %d family %d extended_family %d model %d "
+		"extended_model %d stepping %d, string '%s'\n",
+		curr_cpu, cpu->arch.type, cpu->arch.family,
+		cpu->arch.extended_family, cpu->arch.model,
+		cpu->arch.extended_model, cpu->arch.stepping, vendor_str);
 
 	// figure out what vendor we have here
 

src/system/kernel/arch/x86/arch_system_info.c

@@ -115,9 +115,13 @@ arch_system_info_init(struct kernel_args *args)
 	}
 
 	if (base != B_CPU_x86)
-		model = (cpu->arch.family << 4) + cpu->arch.model;
+		model = (cpu->arch.extended_family << 14) +
+		(cpu->arch.extended_model << 10) + (cpu->arch.family << 4) +
+		cpu->arch.model;
 
-	sCpuRevision = (cpu->arch.type << 12)
+	sCpuRevision = (cpu->arch.extended_family << 18)
+					| (cpu->arch.extended_model << 14)
+					| (cpu->arch.type << 12)
 					| (cpu->arch.family << 8)
 					| (cpu->arch.model << 4)
 					| cpu->arch.stepping;