EMK/emk
1
0
Fork 0
Code Issues Activity

feat/kernel: Did some lapic stuff

Browse source
This commit is contained in:
Kevin Alavik 2025-05-31 18:19:56 +02:00
parent d5371bcbb2
commit 01e2f6a3d8
Signed by: cmpsb
GPG key ID: 10D1CC0526FDC6D7
7 changed files with 193 additions and 91 deletions
Download patch file Download diff file Expand all files Collapse all files

38
kernel/src/emk.c
View file

@ -43,6 +43,12 @@ __attribute__((used, section(".limine_requests"))) static volatile struct limine
__attribute__((used, section(".limine_requests"))) static volatile struct limine_mp_request mp_request = {
.revision = 0,
.id = LIMINE_MP_REQUEST};
__attribute__((used, section(".limine_requests"))) static volatile struct limine_bootloader_info_request binfo_request = {
.revision = 0,
.id = LIMINE_BOOTLOADER_INFO_REQUEST};
__attribute__((used, section(".limine_requests"))) static volatile struct limine_firmware_type_request firmware_request = {
.revision = 0,
.id = LIMINE_FIRMWARE_TYPE_REQUEST};
__attribute__((used, section(".limine_requests_start"))) static volatile LIMINE_REQUESTS_START_MARKER;
__attribute__((used, section(".limine_requests_end"))) static volatile LIMINE_REQUESTS_END_MARKER;
@ -87,8 +93,18 @@ void emk_entry(void)
/* Just do nothing */
}
if (!binfo_request.response)
{
kpanic(NULL, "Failed to get bootloader info");
}
if (!firmware_request.response)
{
kpanic(NULL, "Failed to get firmware type");
}
log_early("Experimental Micro Kernel (EMK) 1.0 Copyright (c) 2025 Piraterna");
log_early("Compiled at %s %s, emk1.0-%s, flanterm support: %s", __TIME__, __DATE__, BUILD_MODE, FLANTERM_SUPPORT ? "yes" : "no");
log_early("Compiled at %s %s, emk1.0-%s, flanterm support: %s, bootloader: %s v%s, firmware: %s", __TIME__, __DATE__, BUILD_MODE, FLANTERM_SUPPORT ? "yes" : "no", binfo_request.response->name, binfo_request.response->version, (firmware_request.response->firmware_type == LIMINE_FIRMWARE_TYPE_UEFI64 || firmware_request.response->firmware_type == LIMINE_FIRMWARE_TYPE_UEFI32) ? "UEFI" : "BIOS");
log_early("%s", LOG_SEPARATOR);
if (!LIMINE_BASE_REVISION_SUPPORTED)
@ -160,15 +176,6 @@ void emk_entry(void)
*c = 32;
kfree(c);
/* Setup SMP */
if (!mp_request.response)
{
kpanic(NULL, "Failed to get MP request");
}
mp_response = mp_request.response;
smp_init();
/* Setup ACPI */
rsdp_response = rsdp_request.response;
if (!rsdp_response)
@ -182,9 +189,18 @@ void emk_entry(void)
outb(0x21, 0xff);
outb(0xA1, 0xff);
/* Setup APIC */
/* Init APIC (LAPIC for now) */
lapic_init();
/* Setup SMP */
if (!mp_request.response)
{
kpanic(NULL, "Failed to get MP request");
}
mp_response = mp_request.response;
smp_init();
/* Finished */
log_early("%s", LOG_SEPARATOR);
log_early("Finished initializing EMK v1.0, took ? seconds"); /* Still not usermode, so keep using log_early */