1 files changed, 81 insertions, 0 deletions
diff --git a/boot/limine/start.c b/boot/limine/start.c
new file mode 100644
index 0000000..b371f92
--- /dev/null
+++ b/boot/limine/start.c
@@ -0,0 +1,81 @@
+#include <stdint.h>
+#include <stddef.h>
+
+#include "boot/cmdline.h"
+#include "hal/framebuffer.h"
+#include "limine.h"
+
+void _start(void);
+
+#define LIMINE_REQUEST_SECTION __attribute__((section(".limine_requests")))
+
+LIMINE_REQUEST_SECTION
+static volatile uint64_t limine_base_revision[] = LIMINE_BASE_REVISION(4);
+
+LIMINE_REQUEST_SECTION
+static volatile uint64_t limine_requests_start_marker[] = LIMINE_REQUESTS_START_MARKER;
+
+LIMINE_REQUEST_SECTION
+static volatile struct limine_executable_cmdline_request cmdline_req = {
+    .id = LIMINE_EXECUTABLE_CMDLINE_REQUEST_ID,
+    .revision = 0, .response = NULL
+};
+
+LIMINE_REQUEST_SECTION
+static volatile struct limine_entry_point_request entry_point_req = {
+    .id = LIMINE_ENTRY_POINT_REQUEST_ID,
+    .revision = 0, .response = NULL,
+    .entry = _start
+};
+
+LIMINE_REQUEST_SECTION
+static volatile struct limine_executable_address_request executable_address_req = {
+    .id = LIMINE_EXECUTABLE_ADDRESS_REQUEST_ID,
+    .revision = 0, .response = NULL
+};
+
+LIMINE_REQUEST_SECTION
+static volatile struct limine_memmap_request memmap_req = {
+    .id = LIMINE_MEMMAP_REQUEST_ID,
+    .revision = 0, .response = NULL
+};
+
+LIMINE_REQUEST_SECTION
+static volatile struct limine_module_request module_req = {
+    .id = LIMINE_MODULE_REQUEST_ID,
+    .revision = 0, .response = NULL
+};
+
+LIMINE_REQUEST_SECTION
+static volatile struct limine_framebuffer_request framebuffer_request = {
+    .id = LIMINE_FRAMEBUFFER_REQUEST_ID,
+    .revision = 0, .response = NULL
+};
+
+LIMINE_REQUEST_SECTION
+static volatile uint64_t limine_requests_end_marker[] = LIMINE_REQUESTS_END_MARKER;
+
+void *_kernel_physptr = NULL;
+void *_initrd_module = NULL;
+struct limine_framebuffer_response *_limine_framebuffers;
+struct limine_memmap_response *_limine_memmap_resp = NULL;
+
+__attribute__((noreturn))
+void
+_start(void)
+{
+    _kernel_physptr = (void*)executable_address_req.response->physical_base;
+    _limine_memmap_resp = memmap_req.response;
+    _limine_framebuffers = framebuffer_request.response;
+    
+    if(module_req.response->module_count > 0) {
+        _initrd_module = module_req.response->modules[0]->address;
+    }
+
+    cmdline_init(cmdline_req.response->cmdline);
+
+    __attribute__((noreturn))
+    extern void kernel_entry(void);
+
+    kernel_entry();
+}