新增rust ffi (#77)

* 引入cargo

* 取消对Cargo.lock的跟踪

* 解决vscode报错问题

* new: rust的代码能够调用c语言的printk_color

* 1、将原本run.sh的工作拆解,变为几个不同的make命令
2、在docker镜像中编译rust

* 更改workflow

* update workflow

* new: 解决workflow无法通过编译的问题
This commit is contained in:
login
2022-11-11 15:35:37 +08:00
committed by GitHub
parent 5e023cf791
commit 2813126e31
271 changed files with 609 additions and 307 deletions

86
kernel/src/time/sleep.c Normal file
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@ -0,0 +1,86 @@
#include "sleep.h"
#include <common/errno.h>
#include <time/timer.h>
#include <process/process.h>
#include <sched/sched.h>
#include <mm/slab.h>
#include <common/cpu.h>
#include <common/glib.h>
/**
* @brief nanosleep定时事件到期后唤醒指定的进程
*
* @param pcb 待唤醒的进程的pcb
*/
void nanosleep_handler(void *pcb)
{
process_wakeup((struct process_control_block *)pcb);
}
/**
* @brief 休眠指定时间
*
* @param rqtp 指定休眠的时间
* @param rmtp 返回的剩余休眠时间
* @return int
*/
int nanosleep(const struct timespec *rqtp, struct timespec *rmtp)
{
if (rqtp->tv_nsec < 0 || rqtp->tv_nsec >= 1000000000)
return -EINVAL;
// 对于小于500us的时间使用spin/rdtsc来进行定时
if (rqtp->tv_nsec < 500000)
{
uint64_t expired_tsc = rdtsc() + (((uint64_t)rqtp->tv_nsec) * Cpu_tsc_freq) / 1000000000;
while (rdtsc() < expired_tsc)
;
if (rmtp != NULL)
{
rmtp->tv_nsec = 0;
rmtp->tv_sec = 0;
}
return 0;
}
// 增加定时任务
struct timer_func_list_t *sleep_task = (struct timer_func_list_t *)kmalloc(sizeof(struct timer_func_list_t), 0);
memset(sleep_task, 0, sizeof(struct timer_func_list_t));
timer_func_init_us(sleep_task, &nanosleep_handler, (void *)current_pcb, rqtp->tv_nsec / 1000);
timer_func_add(sleep_task);
current_pcb->state = PROC_INTERRUPTIBLE;
current_pcb->flags |= PF_NEED_SCHED;
sched();
// todo: 增加信号唤醒的功能后设置rmtp
if (rmtp != NULL)
{
rmtp->tv_nsec = 0;
rmtp->tv_sec = 0;
}
return 0;
}
/**
* @brief 睡眠指定时间
*
* @param usec 微秒
* @return int
*/
int usleep(useconds_t usec)
{
struct timespec ts = {
tv_sec : (long int)(usec / 1000000),
tv_nsec : (long int)(usec % 1000000) * 1000UL
};
return nanosleep(&ts, NULL);
}