X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/88e668538d6c0d394e6ea34516052f010ca6e8d2..bc34fd00d2e81fbc890bb2060ed6693454a230bf:/lunaix-os/kernel/proc0.c diff --git a/lunaix-os/kernel/proc0.c b/lunaix-os/kernel/proc0.c index b9a2470..5fac5f8 100644 --- a/lunaix-os/kernel/proc0.c +++ b/lunaix-os/kernel/proc0.c @@ -1,5 +1,9 @@ #include +#include #include +#include +#include +#include #include #include #include @@ -38,8 +42,10 @@ 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 extern void _pconsole_main(); @@ -50,9 +56,21 @@ _signal_demo_main(); extern void _lxinit_main(); +extern void +_readdir_main(); + +extern void +_iotest_main(); + 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 stdout = open("/dev/tty", 0); + int stdin = dup2(stdout, 1); + pid_t p; if (!fork()) { _pconsole_main(); @@ -63,6 +81,10 @@ __proc0_usr() _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 @@ -111,49 +133,13 @@ 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() { // 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(); acpi_init(_k_init_mb_info); apic_init(); @@ -162,12 +148,10 @@ init_platform() clock_init(); ps2_kbd_init(); pci_init(); + block_init(); ahci_init(); - ahci_list_device(); - - __test_disk_io(); - - cake_stats(); + // ahci_list_device(); + // cake_stats(); syscall_install();