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Remove cpu.h and cpu.cpp in favor of i386/processor.[h|cpp]

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Moving enable protected Mode to processor class
This commit is contained in:
Nigel Barink
2023-02-17 22:01:32 +01:00
parent 490529099b
commit 37542b736f
8 changed files with 67 additions and 80 deletions
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21
source/kernel/kernel.cpp
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@ -23,22 +23,6 @@ extern "C"{
extern "C" void LoadGlobalDescriptorTable();
extern "C" void jump_usermode();
void set_protected_bit()
{
// Set the protected bit of control register 0
// this will put the CPU into protected mode
// NOTE: This should really be a assembly procedure
// We cant directly write to control register 0
// therefor we copy the value of control register 0 into eax
// once we are done manipulating the value we write the value in
// eax back to control register 0
asm volatile("mov %cr0, %eax ");
asm volatile("or $1, %eax");
asm volatile("mov %eax, %cr0");
}
extern "C" void kernel ()
{
@ -60,11 +44,10 @@ extern "C" void kernel ()
// ACPI::initialize(); // FIXME: improper reading of bios memory
PCI::Scan();
processor::initialize();
processor::enable_protectedMode();
FileSystem::initialize();
printf("Enable Protected mode and jump to kernel main\n");
set_protected_bit();
#ifdef USERMODE_RELEASE
// Lets jump into user mode