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feat/kernel: Started on basic bootstrap ACPI

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Kevin Alavik 2025-05-15 22:34:16 +02:00
parent 0aa7a96f7c
commit 4151de51d9
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7 changed files with 208 additions and 0 deletions
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15
kernel/src/emk.c
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@ -17,6 +17,7 @@
#include <flanterm/flanterm.h>
#include <flanterm/backends/fb.h>
#endif // FLANTERM_SUPPORT
#include <sys/acpi.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 = {
@ -33,6 +34,9 @@ __attribute__((used, section(".limine_requests"))) volatile struct limine_frameb
.id = LIMINE_FRAMEBUFFER_REQUEST,
.response = 0};
#endif // FLANTERM_SUPPORT
__attribute__((used, section(".limine_requests"))) static volatile struct limine_rsdp_request rsdp_request = {
.revision = 0,
.id = LIMINE_RSDP_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;
@ -42,6 +46,7 @@ uint64_t kvirt = 0;
uint64_t kphys = 0;
uint64_t kstack_top = 0;
vctx_t *kvm_ctx = NULL;
struct limine_rsdp_response *rsdp_response = NULL;
#if FLANTERM_SUPPORT
struct flanterm_context *ft_ctx = NULL;
@ -89,6 +94,7 @@ void emk_entry(void)
idt_init();
log_early("Initialized IDT");
/* Setup physical memory*/
if (!hhdm_request.response)
{
kpanic(NULL, "Failed to get HHDM request");
@ -156,5 +162,14 @@ void emk_entry(void)
kfree(c);
log_early("Initialized kernel heap");
/* 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");
hlt();
}