From bb49590329da222c343e82df3f7128dca80c2aaf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20Hord=C3=A9?= <nicolas@palon.fr>
Date: Mon, 2 Apr 2007 14:05:16 +0000
Subject: [PATCH] =?UTF-8?q?feat:=20ensemble=20de=20fonctions=20permettant?=
 =?UTF-8?q?=20la=20d=C3=A9tection=20de=20la=20CPU?=
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---
 lib/cpu.c | 94 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 lib/cpu.c

diff --git a/lib/cpu.c b/lib/cpu.c
new file mode 100644
index 0000000..0d90c35
--- /dev/null
+++ b/lib/cpu.c
@@ -0,0 +1,94 @@
+#include "types.h"
+#include "cpu.h"
+#include "cpuid.h"
+#include "memory.h"
+#include "string.h"
+
+
+
+static u8 *msg[] =
+	{
+  "mmx",
+  "mmx2",
+  "sse",
+  "sse2",
+  "sse3",
+  "fpu",  
+  "3dNow!",
+  "3dNow Extended!",
+  "HyperThreading",
+  "apic",
+	};
+
+static u8 space[]=" ";
+
+void strcpuinfos(cpuinfo *proc,u8 *string)
+{
+
+}
+
+u8 getcpuinfos(cpuinfo *proc)
+{
+u32 i,maxfunction,maxextended,unused,regeax,regebx,regecx,regedx;
+bool *boolean;
+      
+if (!cansetflag (0x00040000)) return 1; /*386 processor - no cpuid*/
+if (!cansetflag (0x00200000)) return 2; /*486 processor with no cpuid*/
+
+cpuid(0, &maxfunction, &unused, &unused, &unused);
+maxfunction &= 0xffff;
+cpuid(0x80000000, &maxextended, &unused, &unused, &unused);
+maxextended &= 0xffff;
+if (maxfunction >= 1)
+         {
+                cpuid(1, &regeax, &regebx, &regecx, &regedx);
+                proc->stepping = (regeax & 0x0000000F); 
+                proc->models = ((regeax>>4) & 0x0000000F); 
+                proc->family = ((regeax>>8) & 0x0000000F); 
+                proc->types = ((regeax>>12) & 0x00000003); 
+                proc->emodels = ((regeax>>16) & 0x0000000F); 
+                proc->efamily = ((regeax>>20) & 0x000000FF); 
+                
+                proc->brandid = (regeax & 0xF); 
+                proc->linesize = ((regeax>>8) & 0xF); 
+                proc->count = ((regeax>>16) & 0xF); 
+                proc->apicid = ((regeax>>24) & 0xF); 
+                
+                proc->mmx=((regedx>>23) & 0x00000001);
+                proc->sse=((regedx>>25) & 0x00000001);
+                proc->sse2=((regedx>>26) & 0x00000001);
+                proc->sse3=(regecx & 0x00000001);
+                proc->fpu=(regedx & 0x00000001);
+                proc->htt=((regedx>>28) & 0x00000001);
+
+         }  
+if (maxextended >= 1)
+         {
+          cpuid(0x80000001, &regeax, &regebx, &regecx, &regedx);    
+                proc->mmx2=((regedx>>22) & 0x00000001);        
+                proc->apic=((regedx>>9) & 0x00000001);         
+                proc->now3d=((regedx>>30) & 0x00000001);
+                proc->now3d2=((regedx>>31) & 0x00000001);         
+         } 
+if (maxextended >= 4)
+         {
+         int i;
+         for(i=0;i<3;i++)
+          cpuid(0x80000002+i, &regeax, &regebx, &regecx, &regedx);    
+          memcpy(&regeax,&proc->detectedname[0+i*16],4,1); 
+         memcpy(&regebx,&proc->detectedname[4+i*16],4,1); 
+          memcpy(&regecx,&proc->detectedname[8+i*16],4,1); 
+           memcpy(&regedx,&proc->detectedname[12+i*16],4,1);   
+          }    
+boolean=&proc->mmx;
+i=0;
+
+for(i=0;i<10;i++)
+if (*(boolean++)==1) 
+{
+strcat(msg[i],&proc->techs); 
+strcat(space,&proc->techs); 
+}
+         return 0;
+}
+