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new: xhci get descriptor

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This commit is contained in:
fslongjin
2022-08-30 20:34:52 +08:00
parent 3d5fe966d3
commit 416a802b9c
7 changed files with 980 additions and 128 deletions
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9
kernel/main.c
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@ -88,22 +88,21 @@ void system_initialize()
cpu_core_info[0].stack_start = _stack_start;
cpu_core_info[0].tss_vaddr = (uint64_t)&initial_tss[0];
kdebug("cpu_core_info[0].tss_vaddr=%#018lx", cpu_core_info[0].tss_vaddr);
kdebug("cpu_core_info[0].stack_start%#018lx", cpu_core_info[0].stack_start);
// kdebug("cpu_core_info[0].tss_vaddr=%#018lx", cpu_core_info[0].tss_vaddr);
// kdebug("cpu_core_info[0].stack_start%#018lx", cpu_core_info[0].stack_start);
// 初始化中断描述符表
sys_vector_init();
// 初始化内存管理单元
mm_init();
// 内存管理单元初始化完毕后，需要立即重新初始化显示驱动。
// 原因是，系统启动初期，framebuffer被映射到48M地址处，
// mm初始化完毕后，若不重新初始化显示驱动，将会导致错误的数据写入内存，从而造成其他模块崩溃
// 对显示模块进行低级初始化，不启用double buffer
scm_reinit();
// =========== 重新设置initial_tss[0]的ist
uchar *ptr = (uchar *)kzalloc(STACK_SIZE, 0) + STACK_SIZE;
((struct process_control_block *)(ptr - STACK_SIZE))->cpu_id = 0;
@ -158,7 +157,7 @@ void system_initialize()
io_mfence();
// current_pcb->preempt_count = 0;
// kdebug("cpu_get_core_crysral_freq()=%ld", cpu_get_core_crysral_freq());
process_init();
// 启用double buffer
scm_enable_double_buffer();