more fixes

boot/kernel.ld

@@ -28,11 +28,17 @@ SECTIONS
         __ld_cmdline_start = .;
         KEEP(*(.cmdline))
         __ld_cmdline_end = .;
-
     } :rodata
 
     .rodata : {
         *(.rodata .rodata.*)
+
+        /* Builtin module entry points */
+        . = ALIGN(8);
+        __ld_mod_entry_start = .;
+        KEEP(*(.mod.entry .mod.entry.*))
+        __ld_mod_entry_end = .;
+
         *(.got .got.*)
 
         __ld_rodata_end = .;

boot/main.c

@@ -7,9 +7,11 @@
 #include <zinnia/elf.h>
 #include <zinnia/init.h>
 #include <zinnia/irq.h>
+#include <zinnia/module.h>
 #include <zinnia/percpu.h>
 #include <zinnia/print.h>
 #include <zinnia/sched.h>
+#include <zinnia/utils.h>
 #include <zinnia/vma.h>
 #include <zinnia/vmo.h>
 #include <config.h>
@@ -27,34 +29,37 @@ static void kernel_main_task(uintptr_t arg0) {
 
     log("main: Hello from main task!\n");
 
-    assert(info->num_files >= 1, "No init executable provided\n");
+    // Initialize built-in modules.
+    module_init();
+
+    assert(info->num_files >= 1, "No init executable provided");
 
     struct vma* init_space;
     assert(vma_new(&init_space) == EOK, "");
 
-    assert(false, "TODO!");
-
     struct boot_file* file_data = &info->files[0];
     struct paged_vmo* init_file;
     assert(vmo_new_phys(&init_file) == EOK, "");
     vmo_write(&init_file->object, 0, HHDM_PTR(file_data->data), file_data->length, nullptr);
 
-    log("main: %s:%i\n", __FUNCTION__, __LINE__);
-
     // Load init.
     const char* init_argv[] = {"init", nullptr};
     const char* init_envp[] = {nullptr};
 
-    struct task* init_task = nullptr;
-    errno_t status = 0;
+    struct exec_info exec = {
+        .space = init_space,
+        .file_obj = &init_file->object,
+        .argv = init_argv,
+        .envp = init_envp,
+    };
 
-    assert(false, "Not implemented!");
+    struct task* init_task = nullptr;
+    errno_t status = elf_load(&exec, &init_task);
+    vmo_unref(&init_file->object);
 
     assert(status == 0, "Failed to load init process (%i)\n", status);
     sched_add_task(&percpu_get()->sched, init_task);
 
-    log("main: %s:%i\n", __FUNCTION__, __LINE__);
-
     while (true) {
         irq_wait();
     }