CTAOS v3

SysCore/hal/cpu/compile.bat

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+@echo off
+rem The name of the loader assembly file (without extension, must be .asm):
+set loader_name=loader
+
+rem NASM and DJGPP executable paths:
+set nasm_path=C:\nasm
+set djgpp_path=C:\DJGPP\bin
+set objpath=../../objects
+set incpath=../../include
+
+@echo on
+%djgpp_path%\gcc.exe -Wall -O -fstrength-reduce -fomit-frame-pointer -nostdinc -fno-builtin -I%incpath% -c -o %objpath%/cpu.o cpu.c 
+
+@echo off
+@echo .
+@echo Done!
+
+@pause

SysCore/hal/cpu/cpu.c

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+#include <system.h>
+#include "cpu.h"
+#include "../gdt/gdt.h"
+#include "../idt/idt.h"
+#define cpuid(in, a, b, c, d) __asm__("cpuid": "=a" (a), "=b" (b), "=c" (c), "=d" (d) : "a" (in));
+
+
+
+// initializes cpu resources
+void i86_cpu_initialize()
+{
+	// initialize processor tables
+      i86_gdt_install();
+      i86_idt_install();
+}
+
+void i86_cpu_shutdown()
+{
+
+}
+
+char* i86_cpu_get_vender()
+{
+      static char vender[13];
+      dword unused, arr[3];
+      int i;
+
+      cpuid(0, unused, arr[0], arr[2], arr[1]);
+
+      for (i=0; i<12; i++)
+            vender[i] = (arr[i/4]>>(i%4*8)) && 0xFF;
+
+      vender[12] = 0;
+      return vender;
+}

SysCore/hal/cpu/cpu.h

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+#ifndef _CPU_H_INCLUDED
+#define _CPU_H_INCLUDED
+//****************************************************************************
+//**
+//**    cpu.h
+//**
+//**	This is the processor interface. Everything outside of this module
+//**	must use this interface when working on processor data.
+//**
+//**	A processor is a module that manages the very basic data structures
+//**	and data within the system. The processor interface provides the interface
+//**	for managing processors, processor cores, accessing processor structures,
+//**	and more
+//**
+//****************************************************************************
+
+#include <stdint.h>
+#include <regs.h>
+
+//! initialize the processors
+extern void i86_cpu_initialize ();
+
+//! shutdown the processors
+extern void i86_cpu_shutdown ();
+
+//! get cpu vender
+extern char* i86_cpu_get_vender ();
+
+#endif