test

2026-07-20 01:53:04 +02:00
commit e71245c082
149 changed files with 8571 additions and 0 deletions
@@ -0,0 +1,76 @@
+#include <zinnia/alloc.h>
+#include <zinnia/clock.h>
+#include <zinnia/cmdline.h>
+#include <zinnia/compiler.h>
+#include <zinnia/console.h>
+#include <zinnia/elf.h>
+#include <zinnia/futex.h>
+#include <zinnia/init.h>
+#include <zinnia/irq.h>
+#include <zinnia/percpu.h>
+#include <zinnia/print.h>
+#include <zinnia/sched.h>
+#include <zinnia/vas.h>
+#include <zinnia/vmo.h>
+#include <assert.h>
+#include <config.h>
+#include <stdint.h>
+
+static const char zinnia_banner[] =
+    "Zinnia " ZINNIA_VERSION " (" ZINNIA_ARCH ", " ZINNIA_COMPILER_ID ", " ZINNIA_LINKER_ID ")";
+
+static void kernel_main_task(uintptr_t arg0) {
+    struct boot_info* info = (struct boot_info*)arg0;
+    printf("%s\n", zinnia_banner); // Say hello!
+
+    assert(info->num_files >= 1, "No init executable provided\n");
+
+    struct vas* init_space;
+    assert(vma_new(&init_space) == 0, "");
+
+    struct boot_file* file_data = &info->files[0];
+    struct paged_vmo* init_file;
+    assert(vmo_new_phys(&init_file) == 0, "");
+    vmo_write(&init_file->object, 0, HHDM_PTR(file_data->data), file_data->length, nullptr);
+
+    // Load init.
+    const char* init_argv[] = {"init", nullptr};
+    const char* init_envp[] = {nullptr};
+
+    struct task* init_task = nullptr;
+    errno_t status = 0;
+    assert(status == 0, "Failed to load init process (%i)\n", status);
+    sched_add_task(&percpu_get()->sched, init_task);
+
+    while (true) {
+        arch_irq_wait();
+    }
+}
+
+[[noreturn]]
+void kmain(struct boot_info* info) {
+    cmdline_parse(info->cmdline);
+
+    console_init();
+    mem_init(info->mem_map, info->num_mem_maps, info->virt_base, info->phys_base, info->hhdm_base);
+    rsdp_addr = info->rsdp; // TODO
+    percpu_init();
+    sched_init(&percpu_get()->sched);
+    futex_init();
+
+    struct task* main_task;
+    task_create("main", &kernel_vas, nullptr, kernel_main_task, (uintptr_t)info, &main_task);
+    sched_add_task(&percpu_get()->sched, main_task);
+
+    irq_unlock();
+    sched_yield(&percpu_get()->sched);
+
+    unreachable();
+}
+
+[[__init]]
+void kernel_early_init() {
+    percpu_bsp_init();
+    percpu_get()->online = true;
+    irq_lock();
+}