X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/874b3b5a74d815aa91f325e5573052a3c8ce1d39..6fefc6f5af83f316e18b0cb9dbbde1cea0b98add:/lunaix-os/kernel/proc0.c diff --git a/lunaix-os/kernel/proc0.c b/lunaix-os/kernel/proc0.c index 663eff2..3ad6476 100644 --- a/lunaix-os/kernel/proc0.c +++ b/lunaix-os/kernel/proc0.c @@ -1,8 +1,13 @@ #include +#include #include +#include +#include #include #include +#include #include +#include #include #include #include @@ -12,8 +17,12 @@ #include #include +#include #include #include +#include + +#include LOG_MODULE("PROC0") @@ -32,7 +41,10 @@ unlock_reserved_memory(); void __do_reserved_memory(int unlock); -#define DEMO_SIGNAL +#define USE_DEMO +// #define DEMO_SIGNAL +// #define DEMO_READDIR +#define DEMO_IOTEST extern void _pconsole_main(); @@ -43,6 +55,12 @@ _signal_demo_main(); extern void _lxinit_main(); +extern void +_readdir_main(); + +extern void +_iotest_main(); + void __USER__ __proc0_usr() { @@ -52,14 +70,20 @@ __proc0_usr() } if (!(p = fork())) { -#ifdef DEMO_SIGNAL +#ifndef USE_DEMO + _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 } - // waitpid(p, 0, 0); + waitpid(p, 0, 0); while (1) { yield(); @@ -102,34 +126,44 @@ 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 */ +extern void +block_twifs_create(); + 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(); - acpi_init(_k_init_mb_info); - uintptr_t ioapic_addr = acpi_get_context()->madt.ioapic->ioapic_addr; - pmm_mark_page_occupied( - KERNEL_PID, FLOOR(__APIC_BASE_PADDR, PG_SIZE_BITS), 0); - pmm_mark_page_occupied(KERNEL_PID, FLOOR(ioapic_addr, PG_SIZE_BITS), 0); - - vmm_set_mapping( - PD_REFERENCED, MMIO_APIC, __APIC_BASE_PADDR, PG_PREM_RW, VMAP_NULL); - vmm_set_mapping( - PD_REFERENCED, MMIO_IOAPIC, ioapic_addr, PG_PREM_RW, VMAP_NULL); + assert_msg(kalloc_init(), "Fail to initialize heap"); + acpi_init(_k_init_mb_info); apic_init(); ioapic_init(); timer_init(SYS_TIMER_FREQUENCY_HZ); clock_init(); ps2_kbd_init(); + pci_init(); + block_init(); + ahci_init(); + // ahci_list_device(); + + fsm_init(); + vfs_init(); + twifs_init(); + + block_twifs_create(); + + vfs_mount("/", "twifs", -1); + + //__test_disk_io(); + + // cake_stats(); syscall_install(); console_start_flushing(); + console_flush(); unlock_reserved_memory(); @@ -175,6 +209,8 @@ __do_reserved_memory(int unlock) break; } vmm_set_mapping(PD_REFERENCED, _pa, _pa, PG_PREM_R, VMAP_NULL); + pmm_mark_page_occupied( + KERNEL_PID, _pa >> PG_SIZE_BITS, PP_FGLOCKED); } // Save the progress for later unmapping. mmaps[i].len_low = j * PG_SIZE; @@ -182,6 +218,9 @@ __do_reserved_memory(int unlock) for (; j < pg_num; j++) { uintptr_t _pa = pa + (j << PG_SIZE_BITS); vmm_del_mapping(PD_REFERENCED, _pa); + if (mmap.type == MULTIBOOT_MEMORY_ACPI_RECLAIMABLE) { + pmm_mark_page_free(_pa >> PG_SIZE_BITS); + } } } }