Added emulator options, Added header for VBE driver, Added CPUID function, Added demodisk.img as drive

2021-07-22 22:14:58 +01:00
parent f2c8b8ac5c
commit 643f2d708b
14 changed files with 236 additions and 145 deletions
--- a/src/kernel/cpu.h
+++ b/src/kernel/cpu.h
@ -0,0 +1,16 @@
+#include <cpuid.h> // NOTE: Only available in GCC 
+
+    static int get_model(){
+        int ebx, unused;
+        __cpuid(0, unused, ebx, unused, unused);
+        return ebx;
+    }
+
+    enum {
+        CPUID_FEAT_EDX_APIC = 1 << 9
+    };
+    static int check_apic (){
+        unsigned int eax, unused, edx;
+        __get_cpuid(1, &eax, &unused, &unused, &edx);
+        return  edx & CPUID_FEAT_EDX_APIC;
+    }