X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/03944e7734220bf7e7aa7b7113bcbdf9c22808a5..5a8d4ebecaa50af25bd53c3b2236dca77a14eb81:/lunaix-os/kernel/proc0.c diff --git a/lunaix-os/kernel/proc0.c b/lunaix-os/kernel/proc0.c index 582dfdd..759db2c 100644 --- a/lunaix-os/kernel/proc0.c +++ b/lunaix-os/kernel/proc0.c @@ -2,7 +2,9 @@ #include #include #include +#include #include +#include #include #include #include @@ -12,10 +14,13 @@ #include #include +#include #include #include #include +#include + LOG_MODULE("PROC0") extern void @@ -106,14 +111,52 @@ 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 -init_platform() +__test_disk_io() { - assert_msg(kalloc_init(), "Fail to initialize heap"); + struct hba_port* port = ahci_get_port(0); + char* buffer = vcalloc_dma(port->device->block_size); + strcpy(buffer, test_sequence); + kprintf("WRITE: %s\n", buffer); + int result; + + // 写入第一扇区 (LBA=0) + result = + port->device->ops.write_buffer(port, 0, 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, 0, 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); + } + + vfree_dma(buffer); +} +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(); ioapic_init(); @@ -121,7 +164,12 @@ init_platform() clock_init(); ps2_kbd_init(); pci_init(); - pci_print_device(); + ahci_init(); + ahci_list_device(); + + __test_disk_io(); + + cake_stats(); syscall_install(); @@ -172,6 +220,8 @@ __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; @@ -179,6 +229,9 @@ __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); + } } } }