-#include <arch/x86/boot/multiboot.h>
+#include <lunaix/block.h>
#include <lunaix/common.h>
-#include <lunaix/lunistd.h>
+#include <lunaix/foptions.h>
+#include <lunaix/fs.h>
+#include <lunaix/fs/twifs.h>
+#include <lunaix/ld.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 <sdbg/protocol.h>
#include <hal/acpi/acpi.h>
#include <hal/ahci/ahci.h>
#include <hal/apic.h>
#include <hal/ioapic.h>
#include <hal/pci.h>
+#include <hal/rtc.h>
+
+#include <arch/x86/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
-
-extern void
-_pconsole_main();
-
-extern void
-_signal_demo_main();
-
-extern void
-_lxinit_main();
-
-void __USER__
-__proc0_usr()
+int
+mount_bootmedium()
{
- pid_t p;
- if (!fork()) {
- _pconsole_main();
+ struct v_dnode* dnode;
+ int errno = 0;
+ if ((errno = vfs_walk_proc("/dev/sdb", &dnode, NULL, 0))) {
+ kprintf(KERROR "fail to acquire device. (%d)", errno);
+ return 0;
}
- if (!(p = fork())) {
-#ifndef USE_DEMO
- _exit(0);
-#elif defined DEMO_SIGNAL
- _signal_demo_main();
-#else
- _lxinit_main();
-#endif
+ struct device* dev = (struct device*)dnode->inode->data;
+ if ((errno = vfs_mount("/mnt/lunaix-os", "iso9660", dev, 0))) {
+ kprintf(KERROR "fail to boot medium. (%d)", errno);
+ return 0;
}
- waitpid(p, 0, 0);
-
- while (1) {
- yield();
- }
+ return 1;
}
-/**
- * @brief LunaixOS的零号进程，该进程永远为可执行。
- *
- * 这主要是为了保证调度器在没有进程可调度时依然有事可做。
- *
- * 同时，该进程也负责fork出我们的init进程。
- *
- */
-void
-__proc0()
+int
+exec_initd()
{
- init_platform();
+ int errno = 0;
+ struct ld_param param;
+ char filename[] = "/mnt/lunaix-os/usr/init";
- init_proc_user_space(__current);
+ ld_create_param(¶m, __current, VMS_SELF);
+ if ((errno = exec_load_byname(¶m, filename, NULL, NULL))) {
+ goto fail;
+ }
+
+ // user space
asm volatile("movw %0, %%ax\n"
"movw %%ax, %%es\n"
"movw %%ax, %%ds\n"
"pushl %2\n"
"pushl %3\n"
"retf" ::"i"(UDATA_SEG),
- "i"(USTACK_TOP & ~0xf),
+ "r"(param.info.stack_top),
"i"(UCODE_SEG),
- "r"(__proc0_usr)
+ "r"(param.info.entry)
: "eax", "memory");
-}
-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 */
+ fail("should not reach");
-char test_sequence[] = "Once upon a time, in a magical land of Equestria. "
- "There were two regal sisters who ruled together "
- "and created harmony for all the land.";
+fail:
+ kprintf(KERROR "fail to load initd. (%d)", errno);
+ return 0;
+}
+/**
+ * @brief LunaixOS的零号进程，该进程永远为可执行。
+ *
+ * 这主要是为了保证调度器在没有进程可调度时依然有事可做。
+ *
+ * 同时，该进程也负责fork出我们的init进程。
+ *
+ */
void
-__test_disk_io()
+__proc0()
{
- struct hba_port* port = ahci_get_port(0);
- char* buffer = vcalloc_dma(port->device->block_size);
- strcpy(buffer, test_sequence);
- kprintf("WRITE: %s\n", buffer);
- int result;
-
- // 写入第一扇区 (LBA=0)
- result =
- port->device->ops.write_buffer(port, 0, buffer, port->device->block_size);
- if (!result) {
- kprintf(KWARN "fail to write: %x\n", port->device->last_error);
- }
+ init_platform();
- memset(buffer, 0, port->device->block_size);
+ init_proc_user_space(__current);
- // 读出我们刚刚写的内容！
- result =
- port->device->ops.read_buffer(port, 0, buffer, port->device->block_size);
- kprintf(KDEBUG "%x, %x\n", port->regs[HBA_RPxIS], port->regs[HBA_RPxTFD]);
- if (!result) {
- kprintf(KWARN "fail to read: %x\n", port->device->last_error);
- } else {
- kprint_hex(buffer, 256);
+ 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()
{
+ 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();
- cake_init();
-
- assert_msg(kalloc_init(), "Fail to initialize heap");
- valloc_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();
-
- __test_disk_io();
- cake_stats();
-
- syscall_install();
+ pci_init();
+ // console
console_start_flushing();
console_flush();
+ // expose cake allocator states to vfs
+ cake_export();
+
unlock_reserved_memory();
+ // clean up
for (size_t i = 0; i < (uintptr_t)(&__init_hhk_end); i += PG_SIZE) {
- vmm_del_mapping(PD_REFERENCED, (void*)i);
+ vmm_del_mapping(VMS_SELF, (void*)i);
pmm_free_page(KERNEL_PID, (void*)i);
}
}
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);
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);
+ 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