X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/d8d001a6664b88b66524989589fcd809de6d3a92..4f966b9a6710d138d6e921bf2a1e40f2abc76f9a:/lunaix-os/kernel/proc0.c diff --git a/lunaix-os/kernel/proc0.c b/lunaix-os/kernel/proc0.c index ec99742..2a41032 100644 --- a/lunaix-os/kernel/proc0.c +++ b/lunaix-os/kernel/proc0.c @@ -1,6 +1,6 @@ -#include #include #include +#include #include #include #include @@ -10,20 +10,27 @@ #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 @@ -44,7 +51,9 @@ __do_reserved_memory(int unlock); #define USE_DEMO // #define DEMO_SIGNAL // #define DEMO_READDIR -#define DEMO_IOTEST +// #define DEMO_IOTEST +// #define DEMO_INPUT_TEST +#define DEMO_SIMPLE_SH extern void _pconsole_main(); @@ -61,13 +70,25 @@ _readdir_main(); extern void _iotest_main(); +extern void +input_test(); + +extern void +sh_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 fdstdout = open("/dev/tty", 0); + int fdstdin = dup2(stdout, 1); + pid_t p; - if (!fork()) { - _pconsole_main(); - } + // if (!fork()) { + // _pconsole_main(); + // } if (!(p = fork())) { #ifndef USE_DEMO @@ -78,9 +99,15 @@ __proc0_usr() _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); @@ -132,31 +159,35 @@ 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(); - assert_msg(kalloc_init(), "Fail to initialize heap"); - + rtc_init(); acpi_init(_k_init_mb_info); apic_init(); ioapic_init(); + serial_init(); + sdbg_init(); timer_init(SYS_TIMER_FREQUENCY_HZ); clock_init(); ps2_kbd_init(); pci_init(); block_init(); ahci_init(); - // ahci_list_device(); - // cake_stats(); syscall_install(); console_start_flushing(); console_flush(); + 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); } + + for (size_t i = L1_INDEX(KERNEL_MM_BASE); i < 1023; i++) { + vmm_set_mapping(PD_REFERENCED, i << 22, 0, 0, VMAP_NOMAP); + } } void