X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/6d75e31596b5ac2e638c8a31c6c2185ee4053b6b..f69a7227ff3ad84af3651fe36162e131d4f2b323:/lunaix-os/kernel/k_init.c diff --git a/lunaix-os/kernel/k_init.c b/lunaix-os/kernel/k_init.c index a82df94..32164c8 100644 --- a/lunaix-os/kernel/k_init.c +++ b/lunaix-os/kernel/k_init.c @@ -4,6 +4,7 @@ #include #include #include +#include #include #include #include @@ -46,9 +47,12 @@ setup_memory(multiboot_memory_map_t* map, size_t map_size); void _kernel_pre_init() { + // interrupts _init_idt(); + isrm_init(); intr_routine_init(); + // memory pmm_init(MEM_1MB + (_k_init_mb_info->mem_upper << 10)); vmm_init(); @@ -68,27 +72,36 @@ void _kernel_init() { int errno = 0; + + // allocators cake_init(); valloc_init(); + // crt tty_init(ioremap(VGA_FRAMEBUFFER, PG_SIZE)); tty_set_theme(VGA_COLOR_WHITE, VGA_COLOR_BLACK); + // file system & device subsys vfs_init(); fsm_init(); input_init(); + vfs_export_attributes(); + if ((errno = vfs_mount_root("ramfs", NULL))) { panickf("Fail to mount root. (errno=%d)", errno); } vfs_mount("/dev", "devfs", NULL, 0); vfs_mount("/sys", "twifs", NULL, MNT_RO); + vfs_mount("/task", "taskfs", NULL, MNT_RO); lxconsole_init(); sched_init(); + syscall_install(); + spawn_proc0(); } @@ -161,6 +174,11 @@ spawn_proc0() : "i"(KSTACK_TOP), "i"(KCODE_SEG), "r"(proc0->intr_ctx.eip) : "%ebx", "memory"); + // 加载x87默认配置 + asm volatile("fninit\n" + "fxsave (%%eax)" ::"a"(proc0->fxstate) + : "memory"); + // 向调度器注册进程。 commit_process(proc0);