X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/20097445f742afff2c263431efcb1c8b596076a8..8357bda627bdf02c1b69eecf27993182239fb463:/lunaix-os/kernel/k_init.c diff --git a/lunaix-os/kernel/k_init.c b/lunaix-os/kernel/k_init.c index eee475f..3fa05ef 100644 --- a/lunaix-os/kernel/k_init.c +++ b/lunaix-os/kernel/k_init.c @@ -118,18 +118,22 @@ spawn_proc0() * 2. 将_kernel_post_init搬进proc0进程 * (_kernel_post_init已经更名为init_platform) * - * 目前的解决方案是两者都使用 + * 目前的解决方案是2 */ init_proc(&proc0); - proc0.intr_ctx = (isr_param){ .registers.esp = KSTACK_TOP - 20, + proc0.intr_ctx = (isr_param){ .registers = { .ds = KDATA_SEG, + .es = KDATA_SEG, + .fs = KDATA_SEG, + .gs = KDATA_SEG }, .cs = KCODE_SEG, .eip = (void*)__proc0, .ss = KDATA_SEG, .eflags = cpu_reflags() }; - // 必须在读取eflags之后禁用。否则当进程被调度时,中断依然是关闭的! - cpu_disable_interrupt(); + // 方案1:必须在读取eflags之后禁用。否则当进程被调度时,中断依然是关闭的! + // cpu_disable_interrupt(); + setup_proc_mem(&proc0, PD_REFERENCED); // Ok... 首先fork进我们的零号进程,而后由那里,我们fork进init进程。 @@ -139,18 +143,21 @@ spawn_proc0() */ asm volatile("movl %%cr3, %%eax\n" "movl %%esp, %%ebx\n" - "movl %0, %%cr3\n" - "movl %1, %%esp\n" + "movl %1, %%cr3\n" + "movl %2, %%esp\n" "pushf\n" - "pushl %2\n" "pushl %3\n" + "pushl %4\n" "pushl $0\n" "pushl $0\n" + "movl %%esp, %0\n" "movl %%eax, %%cr3\n" - "movl %%ebx, %%esp\n" ::"r"(proc0.page_table), - "i"(KSTACK_TOP), - "i"(KCODE_SEG), - "r"(proc0.intr_ctx.eip) + "movl %%ebx, %%esp\n" + : "=m"(proc0.intr_ctx.registers.esp) + : "r"(proc0.page_table), + "i"(KSTACK_TOP), + "i"(KCODE_SEG), + "r"(proc0.intr_ctx.eip) : "%eax", "%ebx", "memory"); // 向调度器注册进程。