X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/ea77b9c3fc7fb9bf9d7f9604fc187c8049212a2a..a13ddcba315eaa75dca84dde30b17a78b2933354:/lunaix-os/kernel/proc0.c diff --git a/lunaix-os/kernel/proc0.c b/lunaix-os/kernel/proc0.c index e242196..19f04dc 100644 --- a/lunaix-os/kernel/proc0.c +++ b/lunaix-os/kernel/proc0.c @@ -1,8 +1,10 @@ #include #include #include +#include #include #include +#include #include #include #include @@ -10,12 +12,14 @@ #include #include #include -#include +#include #include #include #include #include +#include + #include #include #include @@ -74,6 +78,18 @@ input_test(); extern void sh_main(); +void __USER__ +__setup_dir() +{ + int errno; + mkdir("/mnt"); + mkdir("/mnt/lunaix-os"); + + if ((errno = mount("/dev/sdb", "/mnt/lunaix-os", "iso9660", 0))) { + syslog(2, "fail mounting boot medium. (%d)\n", errno); + } +} + void __USER__ __proc0_usr() { @@ -83,10 +99,9 @@ __proc0_usr() int fdstdout = open("/dev/tty", 0); int fdstdin = dup2(stdout, 1); + __setup_dir(); + pid_t p; - // if (!fork()) { - // _pconsole_main(); - // } if (!(p = fork())) { #ifndef USE_DEMO @@ -130,6 +145,7 @@ __proc0() init_proc_user_space(__current); + // user space asm volatile("movw %0, %%ax\n" "movw %%ax, %%es\n" "movw %%ax, %%ds\n" @@ -154,36 +170,50 @@ 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(); - 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(); - 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); pmm_free_page(KERNEL_PID, (void*)i); } - - for (size_t i = L1_INDEX(KERNEL_MM_BASE); i < 1023; i++) { - vmm_set_mapping(PD_REFERENCED, i << 22, 0, 0, VMAP_NOMAP); - } } void @@ -215,6 +245,10 @@ __do_reserved_memory(int unlock) 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) { @@ -228,6 +262,10 @@ __do_reserved_memory(int unlock) // 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);