-#include <arch/x86/boot/multiboot.h>
-#include <lunaix/common.h>
-#include <lunaix/lunistd.h>
+#include <lunaix/block.h>
+#include <lunaix/boot_generic.h>
+#include <lunaix/exec.h>
+#include <lunaix/foptions.h>
+#include <lunaix/fs.h>
+#include <lunaix/fs/probe_boot.h>
+#include <lunaix/fs/twifs.h>
#include <lunaix/lxconsole.h>
+#include <lunaix/mm/cake.h>
#include <lunaix/mm/pmm.h>
+#include <lunaix/mm/valloc.h>
#include <lunaix/mm/vmm.h>
-#include <lunaix/peripheral/ps2kbd.h>
-#include <lunaix/proc.h>
+#include <lunaix/peripheral/serial.h>
#include <lunaix/spike.h>
#include <lunaix/syscall.h>
#include <lunaix/syslog.h>
-#include <stddef.h>
+#include <lunaix/types.h>
-#include <hal/acpi/acpi.h>
-#include <hal/apic.h>
-#include <hal/ioapic.h>
+#include <sdbg/protocol.h>
-LOG_MODULE("PROC0")
+#include <klibc/string.h>
-extern void
-_lxinit_main(); /* lxinit.c */
+LOG_MODULE("PROC0")
void
init_platform();
-void
-lock_reserved_memory();
+int
+mount_bootmedium()
+{
+ struct v_dnode* dnode;
+ int errno = 0;
+ struct device* dev = probe_boot_medium();
+ if (!dev) {
+ ERROR("fail to acquire device. (%d)", errno);
+ return 0;
+ }
-void
-unlock_reserved_memory();
+ if ((errno = vfs_mount("/mnt/lunaix-os", "iso9660", dev, 0))) {
+ ERROR("fail to mount boot medium. (%d)", errno);
+ return 0;
+ }
-void
-__do_reserved_memory(int unlock);
+ return 1;
+}
-void __USER__
-__proc0_usr()
+int
+exec_initd()
{
- if (!fork()) {
- asm("jmp _lxinit_main");
- }
+ int errno = 0;
- while (1) {
- yield();
+ if ((errno = exec_kexecve("/mnt/lunaix-os/usr/bin/init", NULL, NULL))) {
+ goto fail;
}
+
+ fail("should not reach");
+
+fail:
+ ERROR("fail to load initd. (%d)", errno);
+ return 0;
}
/**
void
__proc0()
{
+ /*
+ * We must defer boot code/data cleaning to here, after we successfully
+ * escape that area
+ */
+ boot_cleanup();
+
init_platform();
init_proc_user_space(__current);
- asm volatile("movw %0, %%ax\n"
- "movw %%ax, %%es\n"
- "movw %%ax, %%ds\n"
- "movw %%ax, %%fs\n"
- "movw %%ax, %%gs\n"
- "pushl %0\n"
- "pushl %1\n"
- "pushl %2\n"
- "pushl %3\n"
- "retf" ::"i"(UDATA_SEG),
- "i"(USTACK_TOP & ~0xf),
- "i"(UCODE_SEG),
- "r"(__proc0_usr)
- : "eax", "memory");
+ if (!mount_bootmedium() || !exec_initd()) {
+ while (1) {
+ asm("hlt");
+ }
+ // should not reach
+ }
}
-extern uint8_t __kernel_start; /* link/linker.ld */
-extern uint8_t __kernel_end; /* link/linker.ld */
-extern uint8_t __init_hhk_end; /* link/linker.ld */
-extern multiboot_info_t* _k_init_mb_info; /* k_init.c */
-
void
init_platform()
{
- assert_msg(kalloc_init(), "Fail to initialize heap");
-
- // 锁定所有系统预留页（内存映射IO，ACPI之类的），并且进行1:1映射
- lock_reserved_memory();
-
- acpi_init(_k_init_mb_info);
- uintptr_t ioapic_addr = acpi_get_context()->madt.ioapic->ioapic_addr;
- pmm_mark_page_occupied(
- KERNEL_PID, FLOOR(__APIC_BASE_PADDR, PG_SIZE_BITS), 0);
- pmm_mark_page_occupied(KERNEL_PID, FLOOR(ioapic_addr, PG_SIZE_BITS), 0);
-
- vmm_set_mapping(
- PD_REFERENCED, MMIO_APIC, __APIC_BASE_PADDR, PG_PREM_RW, VMAP_NULL);
- vmm_set_mapping(
- PD_REFERENCED, MMIO_IOAPIC, ioapic_addr, PG_PREM_RW, VMAP_NULL);
+ device_postboot_load();
- apic_init();
- ioapic_init();
- timer_init(SYS_TIMER_FREQUENCY_HZ);
- clock_init();
- ps2_kbd_init();
+ twifs_register_plugins();
- syscall_install();
+ // FIXME Re-design needed!!
+ // sdbg_init();
+ // console
console_start_flushing();
-
- unlock_reserved_memory();
-
- for (size_t i = 0; i < (uintptr_t)(&__init_hhk_end); i += PG_SIZE) {
- vmm_del_mapping(PD_REFERENCED, (void*)i);
- pmm_free_page(KERNEL_PID, (void*)i);
- }
-}
-
-void
-lock_reserved_memory()
-{
- __do_reserved_memory(0);
-}
-
-void
-unlock_reserved_memory()
-{
- __do_reserved_memory(1);
-}
-
-void
-__do_reserved_memory(int unlock)
-{
- multiboot_memory_map_t* mmaps = _k_init_mb_info->mmap_addr;
- size_t map_size =
- _k_init_mb_info->mmap_length / sizeof(multiboot_memory_map_t);
- // v_mapping mapping;
- for (unsigned int i = 0; i < map_size; i++) {
- multiboot_memory_map_t mmap = mmaps[i];
- uint8_t* pa = PG_ALIGN(mmap.addr_low);
- if (mmap.type == MULTIBOOT_MEMORY_AVAILABLE || pa <= MEM_4MB) {
- // Don't fuck up our kernel code or any free area!
- continue;
- }
- size_t pg_num = CEIL(mmap.len_low, PG_SIZE_BITS);
- size_t j = 0;
- if (!unlock) {
- for (; j < pg_num; j++) {
- uintptr_t _pa = pa + (j << PG_SIZE_BITS);
- if (_pa >= KERNEL_MM_BASE) {
- // Don't fuck up our kernel space!
- break;
- }
- vmm_set_mapping(PD_REFERENCED, _pa, _pa, PG_PREM_R, VMAP_NULL);
- }
- // Save the progress for later unmapping.
- mmaps[i].len_low = j * PG_SIZE;
- } else {
- for (; j < pg_num; j++) {
- uintptr_t _pa = pa + (j << PG_SIZE_BITS);
- vmm_del_mapping(PD_REFERENCED, _pa);
- }
- }
- }
+ console_flush();
}
\ No newline at end of file
git://scm.lunaixsky.com / lunaix-os.git / blobdiff