54void__init init_IRQ(void)55{56init_irq_stacks();57irqchip_init();58if(!handle_arch_irq)59panic("No interrupt controller found.");69}70 56 - 设置 irq stacks ; per cpu 数组 irq_stack , 然后 per cpu 指针, irq_stack_ptr , 给每个指针赋值,指向 对应的 irq_stack 数组 57 调用irqch...
* should switch to the irq stack. */ and x25, x19, #~(THREAD_SIZE - 1) cmp x25, tsk b.ne 9998f this_cpu_ptr irq_stack, x25, x26 mov x26, #IRQ_STACK_START_SP add x26, x25, x26 /* switch to the irq stack */ mov sp, x26 /* * Add a dummy stack frame, this non-...
cmoveq %gs:pda_irqstackptr,%rsp /* * We entered an interrupt context - irqs are off: */ TRACE_IRQS_OFF call \func .endm @@ -493,6 +526,7 @@ ENTRY(common_interrupt) /* 0(%rsp): oldrsp-ARGOFFSET */ ret_from_intr: cli TRACE_IRQS_OFF decl %gs:pda_irqcount leaveq CFI_...
voiddo_irq(struct general_irq_stackstack){#ifdefIRQ_DBGdebug("Called irq: %x\n",stack.irq);#endifstructirq_data*data=get_irq_data(stack.irq);data->handle(stack.irq,stack.regs);return; } 开发者ID:bietje,项目名称:andromeda,代码行数:10,代码来源:irq.c 示例10: pm8901_irq_ack ▲点赞 ...
[ 0.002937] ===__irq_domain_add domain ffff8020c0032100 name irqchip@(___ptrr val___) === [ 0.002939] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.19.0 #100 [ 0.002941] Call trace: [ 0.002944] dump_backtrace+0x0/0x180 [ 0.002946] show_stack+0x24/0x30 [ 0.002948] dump_...
所以我们可以通过mmu运行程序大小大于内存的程序和打开大于内存的文件。现代处理器通过分段分页机制实现虚拟...
Expand Up @@ -289,7 +289,7 @@ static void stack_map_get_build_id_offset(struct bpf_stack_build_id *id_offs, if (irqs_disabled()) { work = this_cpu_ptr(&up_read_work); if (work->irq_work.flags & IRQ_WORK_BUSY) if (atomic_read(&work->irq_work.flags) & IRQ_WORK_BUSY)...
IO_STACK_LOCATION structure IO_STATUS_BLOCK structure IO_STATUS_BLOCK64 structure IO_TIMER_ROUTINE callback function IO_WORKITEM_ROUTINE callback function IO_WORKITEM_ROUTINE_EX callback function IoAcquireCancelSpinLock function IoAcquireKsrPersistentMemory function IoAcquireKsrPersistentMemoryEx function Io...
PTR_SUBU sp,4*SZREG # init stack pointer jstart_kernelEND(kernel_entry) ... 最终跳到kernel_entry中,该函数在~/openwrt1407/build_dir/target-mips_34kc_uClibc-0.9.33.2/linux-ar71xx_generic/linux-3.10.49/init/main.c中定义: asmlinkagevoid__init start_kernel(void) ...
他们建议在QEMU中使用-d guest_errors选项。当我试图通过指向我的isr回调ptimer_isr中的包结构体的指针...