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https://github.com/DragonOS-Community/DragonOS.git
synced 2025-06-18 12:16:31 +00:00
O1能跑的代码
This commit is contained in:
2
Makefile
2
Makefile
@ -7,7 +7,7 @@ export ARCH=__x86_64__
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export ROOT_PATH=$(shell pwd)
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export DEBUG=DEBUG
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export GLOBAL_CFLAGS := -mcmodel=large -fno-builtin -m64 -O0 -fno-stack-protector -D $(ARCH)
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export GLOBAL_CFLAGS := -mcmodel=large -fno-builtin -m64 -O1 -fno-stack-protector -D $(ARCH)
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ifeq ($(DEBUG), DEBUG)
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GLOBAL_CFLAGS += -g
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@ -1,7 +1,7 @@
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#include "cpu.h"
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#include "kprint.h"
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#include "printk.h"
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#pragma GCC optimize("O0")
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// cpu支持的最大cpuid指令的基础主功能号
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uint Cpu_cpuid_max_Basic_mop;
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// cpu支持的最大cpuid指令的扩展主功能号
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@ -10,6 +10,8 @@
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#include <process/process.h>
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#include <sched/sched.h>
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#pragma GCC push_options
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#pragma GCC optimize("O0")
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// 导出定义在irq.c中的中段门表
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extern void (*interrupt_table[24])(void);
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@ -650,6 +652,7 @@ void apic_ioapic_edge_ack(ul irq_num) // 边沿触发
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*
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* @param irq_num
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*/
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void apic_local_apic_edge_ack(ul irq_num)
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{
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// 向EOI寄存器写入0x00表示结束中断
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@ -660,6 +663,7 @@ void apic_local_apic_edge_ack(ul irq_num)
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: "memory");
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}
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/**
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* @brief 读取指定类型的 Interrupt Control Structure
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*
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@ -735,3 +739,4 @@ void apic_make_rte_entry(struct apic_IO_APIC_RTE_entry *entry, uint8_t vector, u
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entry->destination.logical.reserved1 = 0;
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}
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}
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#pragma GCC pop_options
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@ -4,6 +4,8 @@
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#include <common/kprint.h>
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#include <sched/sched.h>
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// #pragma GCC push_options
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// #pragma GCC optimize("O0")
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uint64_t apic_timer_ticks_result = 0;
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void apic_timer_enable(uint64_t irq_num)
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@ -10,6 +10,8 @@ extern uint64_t apic_timer_ticks_result;
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#define APIC_TIMER_IRQ_NUM 151
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#pragma GCC push_options
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#pragma GCC optimize("O0")
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/**
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* @brief 设置apic定时器的分频计数
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*
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@ -79,3 +81,5 @@ extern uint64_t apic_timer_ticks_result;
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*
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*/
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void apic_timer_init();
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#pragma GCC optimize("O0")
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@ -158,9 +158,9 @@ void HPET_measure_freq()
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// 顺便测定tsc频率
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test_tsc_start = rdtsc();
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io_mfence();
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while (measure_apic_timer_flag == false)
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;
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kdebug("wait done");
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irq_unregister(34);
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@ -9,6 +9,9 @@
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#include <exception/irq.h>
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#include <driver/interrupt/apic/apic.h>
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#pragma GCC push_options
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#pragma GCC optimize("O0")
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spinlock_t xhci_controller_init_lock = {0}; // xhci控制器初始化锁(在usb_init中被初始化)
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static int xhci_ctrl_count = 0; // xhci控制器计数
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@ -922,3 +925,4 @@ failed_exceed_max:;
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kerror("Failed to initialize controller: bus=%d, dev=%d, func=%d", dev_hdr->header.bus, dev_hdr->header.device, dev_hdr->header.func);
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spin_unlock(&xhci_controller_init_lock);
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}
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#pragma GCC optimize("O0")
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@ -2,7 +2,7 @@
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#include <driver/usb/usb.h>
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#include <driver/pci/pci.h>
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#include <driver/pci/msi.h>
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// #pragma GCC optimize("O0")
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#define XHCI_MAX_HOST_CONTROLLERS 4 // 本驱动程序最大支持4个xhci root hub controller
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#define XHCI_MAX_ROOT_HUB_PORTS 128 // 本驱动程序最大支持127个root hub 端口(第0个保留)
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@ -1,7 +1,8 @@
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#include "irq.h"
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#include <common/errno.h>
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// 对进行
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#if _INTR_8259A_
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#include <driver/interrupt/8259A/8259A.h>
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#else
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@ -13,6 +14,8 @@
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#include "gate.h"
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#include <mm/slab.h>
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#pragma GCC push_options
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#pragma GCC optimize("O0")
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// 保存函数调用现场的寄存器
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#define SAVE_ALL_REGS \
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"cld; \n\t" \
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@ -254,3 +257,4 @@ void irq_init()
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#endif
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}
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#pragma GCC optimize("O0")
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@ -10,10 +10,11 @@
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*/
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#pragma once
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#include <common/glib.h>
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#include <process/ptrace.h>
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#pragma GCC push_options
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#pragma GCC optimize ("O0")
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#define IRQ_NUM 24
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#define SMP_IRQ_NUM 10
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@ -165,3 +166,4 @@ int irq_unregister(ul irq_num);
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* @brief 初始化中断模块
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*/
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void irq_init();
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#pragma GCC pop_options
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@ -1,3 +1,4 @@
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// #pragma GCC optimize ("O0")
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#include "trap.h"
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#include "gate.h"
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#include <process/ptrace.h>
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@ -132,6 +132,8 @@ void system_initialize()
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timer_init();
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smp_init();
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kdebug("after smp 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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@ -157,7 +159,6 @@ void system_initialize()
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// 系统初始化到此结束,剩下的初始化功能应当放在初始内核线程中执行
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apic_timer_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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@ -191,5 +192,6 @@ void Start_Kernel(void)
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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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while(1);
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while (1)
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;
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}
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@ -21,6 +21,9 @@
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#include <ktest/ktest.h>
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#pragma GCC push_options
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#pragma GCC optimize("O0")
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spinlock_t process_global_pid_write_lock; // 增加pid的写锁
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long process_global_pid = 1; // 系统中最大的pid
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@ -108,7 +111,6 @@ void process_exit_thread(struct process_control_block *pcb);
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* 由于程序在进入内核的时候已经保存了寄存器,因此这里不需要保存寄存器。
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* 这里切换fs和gs寄存器
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*/
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void __switch_to(struct process_control_block *prev, struct process_control_block *next)
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{
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initial_tss[proc_current_cpu_id].rsp0 = next->thread->rbp;
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@ -1088,3 +1090,5 @@ uint64_t process_copy_thread(uint64_t clone_flags, struct process_control_block
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void process_exit_thread(struct process_control_block *pcb)
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{
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}
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#pragma GCC pop_options
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@ -9,7 +9,6 @@
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*/
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#pragma once
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#include <common/cpu.h>
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#include <common/glib.h>
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#include <mm/mm.h>
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@ -19,6 +18,8 @@
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#include <filesystem/VFS/VFS.h>
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#include <common/wait_queue.h>
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// #pragma GCC push_options
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// #pragma GCC optimize("O0")
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// 进程最大可拥有的文件描述符数量
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#define PROC_MAX_FD_NUM 16
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@ -364,3 +365,4 @@ extern struct mm_struct initial_mm;
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extern struct thread_struct initial_thread;
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extern union proc_union initial_proc_union;
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extern struct process_control_block *initial_proc[MAX_CPU_NUM];
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// #pragma GCC pop_options
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@ -3,6 +3,9 @@
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#include <driver/video/video.h>
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#include <common/spinlock.h>
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#pragma GCC push_options
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#pragma GCC optimize("O0")
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struct sched_queue_t sched_cfs_ready_queue[MAX_CPU_NUM]; // 就绪队列
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/**
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@ -158,3 +161,4 @@ void sched_init()
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sched_cfs_ready_queue[i].proc_queue.virtual_runtime = 0x7fffffffffffffff;
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}
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}
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#pragma GCC optimize("O0")
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//#pragma GCC optimize("O0")
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#include "../common/asm.h"
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@ -10,7 +10,8 @@
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#include <sched/sched.h>
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#include "ipi.h"
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#pragma GCC push_options
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#pragma GCC optimize("O0")
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void ipi_0xc8_handler(uint64_t irq_num, uint64_t param, struct pt_regs *regs); // 由BSP转发的HPET中断处理函数
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static spinlock_t multi_core_starting_lock; // 多核启动锁
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@ -177,3 +178,5 @@ void ipi_0xc8_handler(uint64_t irq_num, uint64_t param, struct pt_regs *regs)
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{
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sched_update_jiffies();
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}
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#pragma GCC optimize("O0")
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@ -22,9 +22,18 @@ extern uint64_t sys_clock(struct pt_regs *regs);
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* @brief 导出系统调用处理函数的符号
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*
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*/
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#define SYSCALL_COMMON(syscall_num, symbol) extern unsigned long symbol(struct pt_regs *regs);
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SYSCALL_COMMON(0, system_call_not_exists); // 导出system_call_not_exists函数
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#undef SYSCALL_COMMON // 取消前述宏定义
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/**
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* @brief 系统调用不存在时的处理函数
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*
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* @param regs 进程3特权级下的寄存器
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* @return ul
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*/
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ul system_call_not_exists(struct pt_regs *regs)
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{
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kerror("System call [ ID #%d ] not exists.", regs->rax);
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return ESYSCALL_NOT_EXISTS;
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} // 取消前述宏定义
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/**
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* @brief 重新定义为:把系统调用函数加入系统调用表
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@ -36,11 +36,7 @@ long enter_syscall_int(ul syscall_id, ul arg0, ul arg1, ul arg2, ul arg3, ul arg
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* @param regs 进程3特权级下的寄存器
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* @return ul
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*/
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ul system_call_not_exists(struct pt_regs *regs)
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{
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kerror("System call [ ID #%d ] not exists.", regs->rax);
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return ESYSCALL_NOT_EXISTS;
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}
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ul system_call_not_exists(struct pt_regs *regs);
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/**
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* @brief 打印字符串的系统调用
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