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feat/kernel: Added MADT support and SMP

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This commit is contained in:
Kevin Alavik 2025-05-16 19:45:59 +02:00
parent aeda945087
commit cdceef1da7
Signed by: cmpsb
GPG key ID: 10D1CC0526FDC6D7
7 changed files with 98 additions and 19 deletions
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19
kernel/src/emk.c
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@ -19,6 +19,7 @@
#endif // FLANTERM_SUPPORT
#include <sys/acpi.h>
#include <sys/acpi/madt.h>
#include <arch/smp.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 = {
@ -51,6 +52,7 @@ uint64_t kphys = 0;
uint64_t kstack_top = 0;
vctx_t *kvm_ctx = NULL;
struct limine_rsdp_response *rsdp_response = NULL;
struct limine_mp_response *mp_response = NULL;
#if FLANTERM_SUPPORT
struct flanterm_context *ft_ctx = NULL;
@ -166,6 +168,15 @@ void emk_entry(void)
kfree(c);
log_early("Initialized kernel heap");
/* Setup SMP */
if (!mp_request.response)
{
kpanic(NULL, "Failed to get MP request");
}
mp_response = mp_request.response;
smp_init();
/* Setup ACPI and APIC */
rsdp_response = rsdp_request.response;
if (!rsdp_response)
@ -179,13 +190,5 @@ void emk_entry(void)
madt_init();
log_early("Initialized APIC");
/* Setup SMP */
if (!mp_request.response)
{
kpanic(NULL, "Failed to get MP request");
}
log_early("%d available cores", mp_request.response->cpu_count);
hlt();
}