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82 lines
1.5 KiB
C++
82 lines
1.5 KiB
C++
#include "acpi.hpp"
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#include "gdt.hpp"
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#include "idt.hpp"
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#include "memory.hpp"
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#include "multiboot.hpp"
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#include "pic.hpp"
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#include "pit.hpp"
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#include "tasking.hpp"
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#include "vgaterminal.hpp"
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static VGATerminal vga;
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TextOutput& term = vga;
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static volatile bool termBusy = false;
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void kernel_main(void)
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{
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term.write("Clyne's kernel, v2024\n\n");
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if (!multiboot_initialize())
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for (;;);
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idt_register_callback(14, [](auto& regs) {
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term.write("Page fault! eip=");
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term.write(regs.eip);
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term.write('\n');
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for (;;);
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});
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acpi_initialize();
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memory_initialize();
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gdt_initialize();
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pic_initialize();
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idt_initialize();
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pit_initialize();
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asm volatile("sti");
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tasking_initialize();
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term.write("Tasking enabled.\n");
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tasking_spawn([] {
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for (;;) {
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do pit_delay_ms(1);
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while (termBusy);
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termBusy = true;
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term.write('B');
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termBusy = false;
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}
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}, 256);
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tasking_spawn([] {
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for (;;) {
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do pit_delay_ms(1);
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while (termBusy);
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termBusy = true;
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term.write('C');
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termBusy = false;
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}
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}, 256);
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for (;;) {
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do pit_delay_ms(1);
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while (termBusy);
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termBusy = true;
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term.write('A');
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termBusy = false;
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}
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}
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extern "C"
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void memmove(char* dst, char* src, size_t sz) {
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while (sz) {
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*dst = *src;
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++dst;
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++src;
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--sz;
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}
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}
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