Add a kernel ELF module and load it in a new process.

Don't yet jump to userspace.

zion/loader/init_loader.cpp

@@ -0,0 +1,30 @@
+#include "loader/init_loader.h"
+
+#include "boot/boot_info.h"
+#include "debug/debug.h"
+#include "loader/elf_loader.h"
+#include "scheduler/process.h"
+#include "scheduler/scheduler.h"
+
+namespace {
+
+const limine_file& GetInitProgram() {
+  const limine_module_response& resp = boot::GetModules();
+  dbgln("Dumping modules");
+  for (uint64_t i = 0; i < resp.module_count; i++) {
+    const limine_file& file = *resp.modules[i];
+    dbgln("%s,%m,%x", file.path, file.address, file.size);
+    // TODO eventually compare this file path.
+    return file;
+  }
+  panic("No init program found");
+}
+
+}  // namespace
+
+void LoadInitProgram() {
+  const limine_file& init_prog = GetInitProgram();
+
+  sched::InsertProcess(
+      new Process(reinterpret_cast<uint64_t>(init_prog.address)));
+}