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使用内核线程来刷新屏幕 (#57)

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* 修改了test-idr的错误

* new: 修复切换双缓冲的时候的卡顿问题

Signed-off-by: guanjinquan <1666320330@qq.com>
Co-authored-by: guanjinquan <1666320330@qq.com>
Co-authored-by: fslongjin <longjin@RinGoTek.cn>
This commit is contained in:
login
2022-10-12 18:45:58 +08:00
committed by GitHub
parent 1b0c901ab2
commit efa38a7d5d
11 changed files with 152 additions and 87 deletions
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43
kernel/process/process.c
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@ -1,29 +1,29 @@
#include "process.h"
#include <common/printk.h>
#include <common/kprint.h>
#include <common/stdio.h>
#include <common/string.h>
#include <common/compiler.h>
#include <common/elf.h>
#include <common/kprint.h>
#include <common/kthread.h>
#include <common/time.h>
#include <common/printk.h>
#include <common/spinlock.h>
#include <common/stdio.h>
#include <common/string.h>
#include <common/sys/wait.h>
#include <driver/video/video.h>
#include <common/time.h>
#include <common/unistd.h>
#include <debug/bug.h>
#include <debug/traceback/traceback.h>
#include <driver/disk/ahci/ahci.h>
#include <driver/usb/usb.h>
#include <driver/video/video.h>
#include <exception/gate.h>
#include <filesystem/fat32/fat32.h>
#include <filesystem/devfs/devfs.h>
#include <filesystem/fat32/fat32.h>
#include <filesystem/rootfs/rootfs.h>
#include <mm/slab.h>
#include <common/spinlock.h>
#include <sched/sched.h>
#include <syscall/syscall.h>
#include <syscall/syscall_num.h>
#include <sched/sched.h>
#include <common/unistd.h>
#include <debug/traceback/traceback.h>
#include <debug/bug.h>
#include <driver/disk/ahci/ahci.h>
#include <ktest/ktest.h>
@ -372,7 +372,7 @@ ul do_execve(struct pt_regs *regs, char *path, char *argv[], char *envp[])
// 独立的地址空间才能使新程序正常运行
if (current_pcb->flags & PF_VFORK)
{
kdebug("proc:%d creating new mem space", current_pcb->pid);
// kdebug("proc:%d creating new mem space", current_pcb->pid);
// 分配新的内存空间分布结构体
struct mm_struct *new_mms = (struct mm_struct *)kmalloc(sizeof(struct mm_struct), 0);
memset(new_mms, 0, sizeof(struct mm_struct));
@ -479,7 +479,9 @@ exec_failed:;
#pragma GCC optimize("O0")
ul initial_kernel_thread(ul arg)
{
// kinfo("initial proc running...\targ:%#018lx", arg);
kinfo("initial proc running...\targ:%#018lx", arg);
scm_enable_double_buffer();
ahci_init();
fat32_init();
@ -582,7 +584,7 @@ ul process_do_exit(ul code)
* @return int
*/
pid_t kernel_thread(int (*fn)(void*), void* arg, unsigned long flags)
pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
{
struct pt_regs regs;
barrier();
@ -794,13 +796,16 @@ struct process_control_block *process_get_pcb(long pid)
*/
int process_wakeup(struct process_control_block *pcb)
{
// kdebug("pcb pid = %#018lx", pcb->pid);
BUG_ON(pcb == NULL);
if (pcb == current_pcb || pcb == NULL)
return -EINVAL;
// 如果pcb正在调度队列中，则不重复加入调度队列
if (pcb->state == PROC_RUNNING)
if (pcb->state & PROC_RUNNING)
return 0;
pcb->state = PROC_RUNNING;
pcb->state |= PROC_RUNNING;
sched_enqueue(pcb);
return 0;
}
@ -812,7 +817,7 @@ int process_wakeup(struct process_control_block *pcb)
*/
int process_wakeup_immediately(struct process_control_block *pcb)
{
if (pcb->state == PROC_RUNNING)
if (pcb->state & PROC_RUNNING)
return 0;
int retval = process_wakeup(pcb);
if (retval != 0)