X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/2bcb7a074fa1b63e5954092bdcb8752915d3e9e6..b91be0033265b5b6bd716bd39cb0971da41906c4:/lunaix-os/kernel/process/sched.c diff --git a/lunaix-os/kernel/process/sched.c b/lunaix-os/kernel/process/sched.c index 5789927..2fa5ca6 100644 --- a/lunaix-os/kernel/process/sched.c +++ b/lunaix-os/kernel/process/sched.c @@ -1,5 +1,5 @@ -#include -#include +#include +#include #include #include @@ -60,25 +60,13 @@ sched_init_dummy() extern void my_dummy(); static char dummy_stack[DUMMY_STACK_SIZE] __attribute__((aligned(16))); - struct exec_param* execp = - (void*)dummy_stack + DUMMY_STACK_SIZE - sizeof(struct exec_param); + ptr_t stktop = (ptr_t)dummy_stack + DUMMY_STACK_SIZE; - *execp = (struct exec_param){ - .cs = KCODE_SEG, - .eflags = cpu_reflags() | 0x0200, - .eip = (ptr_t)my_dummy, - .ss = KDATA_SEG, - }; - - // memset to 0 dummy_proc = (struct proc_info){}; - dummy_proc.intr_ctx = (isr_param){ .registers = { .ds = KDATA_SEG, - .es = KDATA_SEG, - .fs = KDATA_SEG, - .gs = KDATA_SEG }, - .execp = execp }; - dummy_proc.page_table = cpu_rcr3(); + proc_init_transfer(&dummy_proc, stktop, (ptr_t)my_dummy, TRANSFER_IE); + + dummy_proc.page_table = cpu_ldvmspace(); dummy_proc.state = PS_READY; dummy_proc.parent = &dummy_proc; dummy_proc.pid = KERNEL_PID; @@ -99,7 +87,6 @@ run(struct proc_info* proc) 由于这中间没有进行地址空间的交换,所以第二次跳转使用的是同一个内核栈,而之前默认tss.esp0的值是永远指向最顶部 这样一来就有可能会覆盖更早的上下文信息(比如嵌套的信号捕获函数) */ - tss_update_esp(proc->intr_ctx.esp); apic_done_servicing(); @@ -139,7 +126,7 @@ check_sleepers() time_t now = clock_systime(); llist_for_each(pos, n, &leader->sleep.sleepers, sleep.sleepers) { - if (PROC_TERMINATED(pos->state)) { + if (proc_terminated(pos)) { goto del; } @@ -206,7 +193,7 @@ void sched_yieldk() { cpu_enable_interrupt(); - cpu_int(LUNAIX_SCHED); + cpu_trap_sched(); } __DEFINE_LXSYSCALL1(unsigned int, sleep, unsigned int, seconds) @@ -226,7 +213,7 @@ __DEFINE_LXSYSCALL1(unsigned int, sleep, unsigned int, seconds) llist_append(&root_proc->sleep.sleepers, &__current->sleep.sleepers); } - __current->intr_ctx.registers.eax = seconds; + store_retval(seconds); block_current(); schedule(); @@ -340,8 +327,6 @@ alloc_process() proc->created = clock_systime(); proc->pgid = proc->pid; proc->fdtable = vzalloc(sizeof(struct v_fdtable)); - proc->fxstate = - vzalloc_dma(512); // FXSAVE需要十六位对齐地址,使用DMA块(128位对齐) llist_init_head(&proc->mm.regions); llist_init_head(&proc->tasks); @@ -412,7 +397,6 @@ destroy_process(pid_t pid) } vfree(proc->fdtable); - vfree_dma(proc->fxstate); vmm_mount_pd(VMS_MOUNT_1, proc->page_table); @@ -463,5 +447,5 @@ orphaned_proc(pid_t pid) // 如果其父进程的状态是terminated 或 destroy中的一种 // 或者其父进程是在该进程之后创建的,那么该进程为孤儿进程 - return PROC_TERMINATED(parent->state) || parent->created > proc->created; + return proc_terminated(parent) || parent->created > proc->created; } \ No newline at end of file