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feat/kernel: Nuke ACPI and APIC

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This commit is contained in:
Kevin Alavik 2025-05-17 12:54:43 +02:00
parent d9a5f8e3c0
commit e4dc0d0a04
Signed by: cmpsb
GPG key ID: 10D1CC0526FDC6D7
11 changed files with 1 additions and 666 deletions
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38
kernel/src/emk.c
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@ -17,11 +17,7 @@
#include <flanterm/flanterm.h>
#include <flanterm/backends/fb.h>
#endif // FLANTERM_SUPPORT
#include <sys/acpi.h>
#include <sys/acpi/madt.h>
#include <arch/smp.h>
#include <sys/lapic.h>
#include <sys/ioapic.h>
__attribute__((used, section(".limine_requests"))) static volatile LIMINE_BASE_REVISION(3);
__attribute__((used, section(".limine_requests"))) static volatile struct limine_memmap_request memmap_request = {
@ -60,21 +56,6 @@ struct limine_mp_response *mp_response = NULL;
struct flanterm_context *ft_ctx = NULL;
#endif // FLANTERM_SUPPORT
void tick(struct register_ctx *)
{
log_early("tick");
lapic_eoi();
}
void timer_init()
{
uint16_t divisor = 11932;
outb(0x43, 0x36);
outb(0x40, divisor & 0xFF);
outb(0x40, (divisor >> 8) & 0xFF);
idt_register_handler(32, tick);
}
void emk_entry(void)
{
__asm__ volatile("movq %%rsp, %0" : "=r"(kstack_top));
@ -195,24 +176,5 @@ void emk_entry(void)
smp_init();
log_early("Initialized SMP");
/* Setup ACPI and APIC */
rsdp_response = rsdp_request.response;
if (!rsdp_response)
{
kpanic(NULL, "Failed to get RSDP request");
}
acpi_init();
log_early("Initialized ACPI");
/* Setup MADT */
madt_init();
ioapic_init();
log_early("Initialized IOAPIC");
lapic_init();
log_early("Initialized LAPIC");
/* Setup timer */
timer_init();
hlt();
}