X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/839da03f6ebe838d780e52190318d4c3048990f1..290981180b9abc454e017271a8ebe75478c00e86:/lunaix-os/kernel/proc0.c?ds=sidebyside diff --git a/lunaix-os/kernel/proc0.c b/lunaix-os/kernel/proc0.c index 3a6ea62..14e4862 100644 --- a/lunaix-os/kernel/proc0.c +++ b/lunaix-os/kernel/proc0.c @@ -1,21 +1,35 @@ -#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") @@ -34,8 +48,12 @@ 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(); @@ -46,22 +64,47 @@ _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__ __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 (!(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); @@ -86,6 +129,7 @@ __proc0() init_proc_user_space(__current); + // user space asm volatile("movw %0, %%ax\n" "movw %%ax, %%es\n" "movw %%ax, %%ds\n" @@ -110,33 +154,50 @@ extern multiboot_info_t* _k_init_mb_info; /* k_init.c */ void init_platform() { - assert_msg(kalloc_init(), "Fail to initialize heap"); - // 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(); + // 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(); - pci_print_device(); - ahci_list_device(); - - syscall_install(); + // 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); } + + // reserve higher half + for (size_t i = L1_INDEX(KERNEL_MM_BASE); i < 1023; i++) { + vmm_set_mapping(PD_REFERENCED, i << 22, 0, 0, VMAP_NOMAP); + } } void