mirror of
https://github.com/DragonOS-Community/DragonOS.git
synced 2025-06-11 04:56:48 +00:00
252 lines
9.1 KiB
C
252 lines
9.1 KiB
C
//
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// Created by longjin on 2022/1/20.
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//
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#include "common/glib.h"
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#include "common/printk.h"
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#include "common/kprint.h"
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#include "exception/gate.h"
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#include "exception/trap.h"
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#include "exception/irq.h"
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#include "mm/mm.h"
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#include "mm/slab.h"
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#include "process/process.h"
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#include "syscall/syscall.h"
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#include "smp/smp.h"
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#include <smp/ipi.h>
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#include "driver/multiboot2/multiboot2.h"
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#include "driver/acpi/acpi.h"
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#include "driver/keyboard/ps2_keyboard.h"
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#include "driver/mouse/ps2_mouse.h"
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#include "driver/disk/ata.h"
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#include "driver/pci/pci.h"
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#include "driver/disk/ahci/ahci.h"
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#include <driver/timers/rtc/rtc.h>
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#include <driver/timers/HPET/HPET.h>
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unsigned int *FR_address = (unsigned int *)0xb8000; //帧缓存区的地址
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struct memory_desc memory_management_struct = {{0}, 0};
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// struct Global_Memory_Descriptor memory_management_struct = {{0}, 0};
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void test_slab();
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void show_welcome()
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{
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/**
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* @brief 打印欢迎页面
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*
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*/
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printk("\n\n");
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for (int i = 0; i < 74; ++i)
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printk(" ");
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printk_color(0x00e0ebeb, 0x00e0ebeb, " \n");
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for (int i = 0; i < 74; ++i)
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printk(" ");
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printk_color(BLACK, 0x00e0ebeb, " Welcome to DragonOS ! \n");
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for (int i = 0; i < 74; ++i)
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printk(" ");
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printk_color(0x00e0ebeb, 0x00e0ebeb, " \n\n");
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}
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// 测试内存管理单元
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void test_mm()
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{
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kinfo("Testing memory management unit...");
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struct Page *page = NULL;
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page = alloc_pages(ZONE_NORMAL, 63, 0);
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page = alloc_pages(ZONE_NORMAL, 63, 0);
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printk_color(ORANGE, BLACK, "4.memory_management_struct.bmp:%#018lx\tmemory_management_struct.bmp+1:%#018lx\tmemory_management_struct.bmp+2:%#018lx\tzone_struct->count_pages_using:%d\tzone_struct->count_pages_free:%d\n", *memory_management_struct.bmp, *(memory_management_struct.bmp + 1), *(memory_management_struct.bmp + 2), memory_management_struct.zones_struct->count_pages_using, memory_management_struct.zones_struct->count_pages_free);
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for (int i = 80; i <= 85; ++i)
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{
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printk_color(INDIGO, BLACK, "page%03d attr:%#018lx address:%#018lx\t", i, (memory_management_struct.pages_struct + i)->attr, (memory_management_struct.pages_struct + i)->addr_phys);
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i++;
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printk_color(INDIGO, BLACK, "page%03d attr:%#018lx address:%#018lx\n", i, (memory_management_struct.pages_struct + i)->attr, (memory_management_struct.pages_struct + i)->addr_phys);
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}
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for (int i = 140; i <= 145; i++)
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{
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printk_color(INDIGO, BLACK, "page%03d attr:%#018lx address:%#018lx\t", i, (memory_management_struct.pages_struct + i)->attr, (memory_management_struct.pages_struct + i)->addr_phys);
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i++;
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printk_color(INDIGO, BLACK, "page%03d attr:%#018lx address:%#018lx\n", i, (memory_management_struct.pages_struct + i)->attr, (memory_management_struct.pages_struct + i)->addr_phys);
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}
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free_pages(page, 1);
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printk_color(ORANGE, BLACK, "5.memory_management_struct.bmp:%#018lx\tmemory_management_struct.bmp+1:%#018lx\tmemory_management_struct.bmp+2:%#018lx\tzone_struct->count_pages_using:%d\tzone_struct->count_pages_free:%d\n", *memory_management_struct.bmp, *(memory_management_struct.bmp + 1), *(memory_management_struct.bmp + 2), memory_management_struct.zones_struct->count_pages_using, memory_management_struct.zones_struct->count_pages_free);
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for (int i = 75; i <= 85; i++)
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{
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printk_color(INDIGO, BLACK, "page%03d attr:%#018lx address:%#018lx\t", i, (memory_management_struct.pages_struct + i)->attr, (memory_management_struct.pages_struct + i)->addr_phys);
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i++;
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printk_color(INDIGO, BLACK, "page%03d attr:%#018lx address:%#018lx\n", i, (memory_management_struct.pages_struct + i)->attr, (memory_management_struct.pages_struct + i)->addr_phys);
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}
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page = alloc_pages(ZONE_UNMAPPED_IN_PGT, 63, 0);
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printk_color(ORANGE, BLACK, "6.memory_management_struct.bmp:%#018lx\tmemory_management_struct.bmp+1:%#018lx\tzone_struct->count_pages_using:%d\tzone_struct->count_pages_free:%d\n", *(memory_management_struct.bmp + (page->addr_phys >> PAGE_2M_SHIFT >> 6)), *(memory_management_struct.bmp + 1 + (page->addr_phys >> PAGE_2M_SHIFT >> 6)), (memory_management_struct.zones_struct + ZONE_UNMAPPED_INDEX)->count_pages_using, (memory_management_struct.zones_struct + ZONE_UNMAPPED_INDEX)->count_pages_free);
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free_pages(page, 1);
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printk_color(ORANGE, BLACK, "7.memory_management_struct.bmp:%#018lx\tmemory_management_struct.bmp+1:%#018lx\tzone_struct->count_pages_using:%d\tzone_struct->count_pages_free:%d\n", *(memory_management_struct.bmp + (page->addr_phys >> PAGE_2M_SHIFT >> 6)), *(memory_management_struct.bmp + 1 + (page->addr_phys >> PAGE_2M_SHIFT >> 6)), (memory_management_struct.zones_struct + ZONE_UNMAPPED_INDEX)->count_pages_using, (memory_management_struct.zones_struct + ZONE_UNMAPPED_INDEX)->count_pages_free);
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test_slab();
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kinfo("Memory management module test completed!");
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}
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void test_slab()
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{
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kinfo("Testing SLAB...");
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kinfo("Testing kmalloc()...");
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for (int i = 1; i < 16; ++i)
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{
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printk_color(ORANGE, BLACK, "mem_obj_size: %ldbytes\t", kmalloc_cache_group[i].size);
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printk_color(ORANGE, BLACK, "bmp(before): %#018lx\t", *kmalloc_cache_group[i].cache_pool_entry->bmp);
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ul *tmp = kmalloc(kmalloc_cache_group[i].size, 0);
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if (tmp == NULL)
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{
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kBUG("Cannot kmalloc such a memory: %ld bytes", kmalloc_cache_group[i].size);
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}
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printk_color(ORANGE, BLACK, "bmp(middle): %#018lx\t", *kmalloc_cache_group[i].cache_pool_entry->bmp);
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kfree(tmp);
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printk_color(ORANGE, BLACK, "bmp(after): %#018lx\n", *kmalloc_cache_group[i].cache_pool_entry->bmp);
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}
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// 测试自动扩容
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void *ptrs[7];
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for (int i = 0; i < 7; ++i)
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ptrs[i] = kmalloc(kmalloc_cache_group[15].size, 0);
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struct slab_obj *slab_obj_ptr = kmalloc_cache_group[15].cache_pool_entry;
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int count = 0;
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do
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{
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kdebug("bmp(%d): addr=%#018lx\t value=%#018lx", count, slab_obj_ptr->bmp, *slab_obj_ptr->bmp);
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slab_obj_ptr = container_of(list_next(&slab_obj_ptr->list), struct slab_obj, list);
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++count;
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} while (slab_obj_ptr != kmalloc_cache_group[15].cache_pool_entry);
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for (int i = 0; i < 7; ++i)
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kfree(ptrs[i]);
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kinfo("SLAB test completed!");
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}
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// 初始化系统各模块
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void system_initialize()
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{
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// 初始化printk
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printk_init(8, 16);
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kinfo("Kernel Starting...");
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load_TR(10); // 加载TR寄存器
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ul tss_item_addr = 0x7c00;
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set_tss64(TSS64_Table, _stack_start, _stack_start, _stack_start, tss_item_addr,
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tss_item_addr, tss_item_addr, tss_item_addr, tss_item_addr, tss_item_addr, tss_item_addr);
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cpu_core_info[0].stack_start = _stack_start;
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cpu_core_info[0].tss_vaddr = &TSS64_Table;
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// 初始化中断描述符表
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sys_vector_init();
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// 初始化内存管理单元
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mm_init();
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acpi_init();
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// 初始化中断模块
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irq_init();
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HPET_init();
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smp_init();
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// 先初始化系统调用模块
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syscall_init();
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cpu_init();
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// ps2_keyboard_init();
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// ps2_mouse_init();
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// ata_init();
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pci_init();
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ahci_init();
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// test_slab();
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// test_mm();
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// 再初始化进程模块。顺序不能调转
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// process_init();
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}
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//操作系统内核从这里开始执行
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void Start_Kernel(void)
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{
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system_initialize();
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/*
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uint64_t buf[100];
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ahci_operation.transfer(ATA_CMD_READ_DMA_EXT, 0, 1, (uint64_t)&buf, 0, 0);
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kdebug("buf[0]=%#010lx",(uint32_t)buf[0]);
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buf[0] = 0xffd3;
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ahci_operation.transfer(ATA_CMD_WRITE_DMA_EXT, 0, 1, (uint64_t)&buf, 0, 0);
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ahci_operation.transfer(ATA_CMD_READ_DMA_EXT, 0, 1, (uint64_t)&buf, 0, 0);
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kdebug("buf[0]=%#010lx",(uint32_t)buf[0]);
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*/
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// show_welcome();
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// test_mm();
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/*
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while (1)
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{
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ps2_keyboard_analyze_keycode();
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struct ps2_mouse_packet_3bytes packet = {0};
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// struct ps2_mouse_packet_4bytes packet = {0};
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int errcode = 0;
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errcode = ps2_mouse_get_packet(&packet);
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if (errcode == 0)
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{
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printk_color(GREEN, BLACK, " (Mouse: byte0:%d, x:%3d, y:%3d)\n", packet.byte0, packet.movement_x, packet.movement_y);
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// printk_color(GREEN, BLACK, " (Mouse: byte0:%d, x:%3d, y:%3d, byte3:%3d)\n", packet.byte0, packet.movement_x, packet.movement_y, (unsigned char)packet.byte3);
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}
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}
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*/
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/*
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while (1)
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{
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keyboard_analyze_keycode();
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analyze_mousecode();
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}
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*/
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// ipi_send_IPI(DEST_PHYSICAL, IDLE, ICR_LEVEL_DE_ASSERT, EDGE_TRIGGER, 0xc8, ICR_APIC_FIXED, ICR_No_Shorthand, true, 1); // 测试ipi
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int last_sec = rtc_now.second;
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while (1)
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{
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if (last_sec != rtc_now.second)
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{
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last_sec = rtc_now.second;
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kinfo("Current Time: %04d/%02d/%02d %02d:%02d:%02d", rtc_now.year, rtc_now.month, rtc_now.day, rtc_now.hour, rtc_now.minute, rtc_now.second);
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}
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}
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while (1)
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hlt();
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}
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void ignore_int()
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{
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kwarn("Unknown interrupt or fault at RIP.\n");
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return;
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} |