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#include "acpi.hpp"
#include "ata.hpp"
#include "gdt.hpp"
#include "idt.hpp"
#include "keyboard.hpp"
#include "memory.hpp"
#include "multiboot.hpp"
#include "pic.hpp"
#include "pit.hpp"
#include "portio.hpp"
#include "tasking.hpp"
#include "vgaterminal.hpp"
static VGATerminal vga;
TextOutput& term = vga;
static volatile bool termBusy = false;
void ata_probe(auto bus, ATA::Drive drv, const char *name)
{
switch (bus.identify(drv)) {
case ATA::Type::ATA:
term.write("ata:");
term.write(name);
term.write(": ATA drive detected.\n");
break;
case ATA::Type::ATAPI:
term.write("ata:");
term.write(name);
term.write(": ATAPI drive detected.\n");
break;
default:
break;
}
}
void kernel_main(void)
{
term.write("Clyne's kernel, v2024\n\n");
if (!multiboot_initialize())
for (;;);
idt_register_callback(14, [](auto& regs) {
term.write("Page fault! eip=");
term.write(regs.eip);
term.write('\n');
for (;;);
});
acpi_initialize();
memory_initialize();
gdt_initialize();
pic_initialize();
idt_initialize();
pit_initialize();
keyboard_initialize();
asm volatile("sti");
tasking_initialize();
term.write("Tasking enabled.\n");
ATA::Bus<ATA::Primary> bus0;
ATA::Bus<ATA::Secondary> bus1;
ata_probe(bus0, ATA::Master, "0:0");
ata_probe(bus0, ATA::Slave, "0:1");
ata_probe(bus1, ATA::Master, "1:0");
ata_probe(bus1, ATA::Slave, "1:1");
idt_register_callback(0x28, [](auto& regs) {
term.write(static_cast<char>(regs.eax));
});
term.write("Entering user mode...\n");
enter_user_mode([] {
asm volatile("int $0x28" :: "a" ('Z'));
for (;;);
});
for (;;) {
const auto ch = keyboard_read();
if (ch)
term.write(*ch);
pit_delay_ms(10);
}
}
extern "C"
void abort()
{
term.write("!!! abort() called !!!");
asm volatile("cli");
for (;;);
}
extern "C"
int __cxa_atexit(void (*)(void *), void *, void *)
{
return 0;
}
int __dso_handle = 0;
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