#include <lunaix/block.h>
#include <lunaix/common.h>
-#include <lunaix/fctrl.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/lunistd.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 <lunaix/types.h>
+#include <sdbg/protocol.h>
+
#include <hal/acpi/acpi.h>
#include <hal/ahci/ahci.h>
#include <hal/apic.h>
#include <hal/pci.h>
#include <hal/rtc.h>
-#include <arch/x86/boot/multiboot.h>
+#include <sys/boot/multiboot.h>
#include <klibc/string.h>
LOG_MODULE("PROC0")
-extern void
-_lxinit_main(); /* lxinit.c */
-
void
init_platform();
void
__do_reserved_memory(int unlock);
-#define USE_DEMO
-// #define DEMO_SIGNAL
-// #define DEMO_READDIR
-#define DEMO_IOTEST
-
-extern void
-_pconsole_main();
-
-extern void
-_signal_demo_main();
-
-extern void
-_lxinit_main();
+int
+mount_bootmedium()
+{
+ struct v_dnode* dnode;
+ int errno = 0;
+ struct device* dev = probe_boot_medium();
+ if (!dev) {
+ kprintf(KERROR "fail to acquire device. (%d)", errno);
+ return 0;
+ }
-extern void
-_readdir_main();
+ if ((errno = vfs_mount("/mnt/lunaix-os", "iso9660", dev, 0))) {
+ kprintf(KERROR "fail to mount boot medium. (%d)", errno);
+ return 0;
+ }
-extern void
-_iotest_main();
+ return 1;
+}
-void __USER__
-__proc0_usr()
+int
+exec_initd()
{
- // 打开tty设备(控制台)，作为标准输入输出。
- // tty设备属于序列设备（Sequential Device），该类型设备的上层读写
- // 无须经过Lunaix的缓存层，而是直接下发到底层驱动。（不受FO_DIRECT的影响）
- int stdout = open("/dev/tty", 0);
- int stdin = dup2(stdout, 1);
-
- pid_t p;
- if (!fork()) {
- _pconsole_main();
- }
+ int errno = 0;
- if (!(p = fork())) {
-#ifndef USE_DEMO
- _exit(0);
-#elif defined DEMO_SIGNAL
- _signal_demo_main();
-#elif defined DEMO_READDIR
- _readdir_main();
-#elif defined DEMO_IOTEST
- _iotest_main();
-#else
- _lxinit_main();
-#endif
+ if ((errno = exec_kexecve("/mnt/lunaix-os/usr/bin/init", NULL, NULL))) {
+ goto fail;
}
- waitpid(p, 0, 0);
+ fail("should not reach");
- while (1) {
- yield();
- }
+fail:
+ kprintf(KERROR "fail to load initd. (%d)", errno);
+ return 0;
}
/**
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 u8_t __kernel_start; /* link/linker.ld */
+extern u8_t __kernel_end; /* link/linker.ld */
+extern u8_t __init_hhk_end; /* link/linker.ld */
extern multiboot_info_t* _k_init_mb_info; /* k_init.c */
void
init_platform()
{
+ kprintf(KINFO "\033[11;0mLunaixOS (gcc v%s, %s)\033[39;49m\n",
+ __VERSION__,
+ __TIME__);
+
// 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();
- // we are using no kalloc!
- // assert_msg(kalloc_init(), "Fail to initialize heap");
-
- rtc_init();
+ // firmware
acpi_init(_k_init_mb_info);
+
+ // die
apic_init();
ioapic_init();
+
+ // debugger
+ serial_init();
+ sdbg_init();
+
+ // timers & clock
+ rtc_init();
timer_init(SYS_TIMER_FREQUENCY_HZ);
clock_init();
+
+ // peripherals & chipset features
ps2_kbd_init();
- pci_init();
block_init();
ahci_init();
- // ahci_list_device();
- // cake_stats();
- syscall_install();
+ pci_init();
+ // console
console_start_flushing();
console_flush();
+ // expose cake allocator states to vfs
+ cake_export();
+
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);
+ // clean up
+ for (size_t i = 0; i < (ptr_t)(&__init_hhk_end); i += PG_SIZE) {
+ vmm_del_mapping(VMS_SELF, (ptr_t)i);
+ pmm_free_page(KERNEL_PID, (ptr_t)i);
}
}
void
__do_reserved_memory(int unlock)
{
- multiboot_memory_map_t* mmaps = _k_init_mb_info->mmap_addr;
+ multiboot_memory_map_t* mmaps =
+ (multiboot_memory_map_t*)_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);
+ ptr_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) {
+ kprintf("mem: freeze: %p..%p type=%x\n",
+ pa,
+ pa + pg_num * PG_SIZE,
+ mmap.type);
+
for (; j < pg_num; j++) {
- uintptr_t _pa = pa + (j << PG_SIZE_BITS);
+ ptr_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);
+ vmm_set_mapping(VMS_SELF, _pa, _pa, PG_PREM_R, VMAP_NULL);
pmm_mark_page_occupied(
KERNEL_PID, _pa >> PG_SIZE_BITS, PP_FGLOCKED);
}
+
// Save the progress for later unmapping.
mmaps[i].len_low = j * PG_SIZE;
} else {
+ kprintf("mem: reclaim: %p..%p type=%x\n",
+ pa,
+ pa + pg_num * PG_SIZE,
+ mmap.type);
+
for (; j < pg_num; j++) {
- uintptr_t _pa = pa + (j << PG_SIZE_BITS);
- vmm_del_mapping(PD_REFERENCED, _pa);
+ ptr_t _pa = pa + (j << PG_SIZE_BITS);
+ vmm_del_mapping(VMS_SELF, _pa);
if (mmap.type == MULTIBOOT_MEMORY_ACPI_RECLAIMABLE) {
pmm_mark_page_free(_pa >> PG_SIZE_BITS);
}
git://scm.lunaixsky.com / lunaix-os.git / blobdiff