X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/88e668538d6c0d394e6ea34516052f010ca6e8d2..f13e160f6aa2f74895ecf1f65099265643836210:/lunaix-os/kernel/proc0.c diff --git a/lunaix-os/kernel/proc0.c b/lunaix-os/kernel/proc0.c index b9a2470..259c8bb 100644 --- a/lunaix-os/kernel/proc0.c +++ b/lunaix-os/kernel/proc0.c @@ -1,26 +1,39 @@ -#include +#include #include -#include +#include +#include +#include #include #include #include #include #include #include -#include +#include #include #include #include -#include +#include + +#include +#include +#include + +#include #include #include #include #include #include +#include + +#include #include +#include + LOG_MODULE("PROC0") extern void @@ -38,8 +51,12 @@ unlock_reserved_memory(); void __do_reserved_memory(int unlock); -//#define USE_DEMO -#define DEMO_SIGNAL +#define USE_DEMO +// #define DEMO_SIGNAL +// #define DEMO_READDIR +// #define DEMO_IOTEST +// #define DEMO_INPUT_TEST +#define DEMO_SIMPLE_SH extern void _pconsole_main(); @@ -50,22 +67,61 @@ _signal_demo_main(); extern void _lxinit_main(); +extern void +_readdir_main(); + +extern void +_iotest_main(); + +extern void +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() { + // 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 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 _exit(0); #elif defined DEMO_SIGNAL _signal_demo_main(); +#elif defined DEMO_READDIR + _readdir_main(); +#elif defined DEMO_IOTEST + _iotest_main(); +#elif defined DEMO_INPUT_TEST + input_test(); +#elif defined DEMO_SIMPLE_SH + sh_main(); #else _lxinit_main(); #endif + printf("==== test end ====\n"); + _exit(0); } waitpid(p, 0, 0); @@ -90,6 +146,7 @@ __proc0() init_proc_user_space(__current); + // user space asm volatile("movw %0, %%ax\n" "movw %%ax, %%es\n" "movw %%ax, %%ds\n" @@ -111,71 +168,49 @@ 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 */ -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."; - -void -__test_disk_io() -{ - struct hba_port* port = ahci_get_port(0); - char* buffer = valloc_dma(port->device->block_size); - strcpy(buffer, test_sequence); - kprintf("WRITE: %s\n", buffer); - int result; - - // 写入第一扇区 - result = - port->device->ops.write_buffer(port, 1, buffer, port->device->block_size); - if (!result) { - kprintf(KWARN "fail to write: %x\n", port->device->last_error); - } - - memset(buffer, 0, port->device->block_size); - - // 读出我们刚刚写的内容! - result = - port->device->ops.read_buffer(port, 1, 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); - } -} - 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); pmm_free_page(KERNEL_PID, (void*)i); @@ -211,6 +246,10 @@ __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) { @@ -224,6 +263,10 @@ __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);