Changes between Version 9 and Version 10 of kernel_interrupts

Timestamp:

Mar 12, 2015, 5:55:22 PM (10 years ago)

Author:

alain

Comment:

--

kernel_interrupts

@@ -55 +55 @@
  === void '''_ext_irq_init'''() ===
 This function is only used when the architecture contains an external IOPIC component. It initializes the _ext_irq_index[isr][channel] array,
-defining the IRQ index associated to (isr_type/isr_channel) couple, as specified in the mapping.
-This array is used by the kernel for dynamic routing of an external IRQ signaling completion to  the processor that launched the I/O operation.
+defining the IRQ index associated to an (isr_type/isr_channel) couple, as specified in the mapping.
+This array is used by the kernel for dynamic routing of external IRQs.
 
  === void '''_ext_irq_alloc( unsigned int isr_type , unsigned int isr_channel , unsigned int* wti_index ) ===
-This function is used when the architecture contains an external IOPIC component. It dynamically routes an external IRQ signaling completion of an I/O operation to the processor P[x,y,p] running the calling task. The two (isr_type, isr_channel) arguments define actually the external IRQ to be routed.
+This function is used when the architecture contains an external IOPIC component. It dynamically allocates an external IRQ signaling completion of an I/O operation to the processor P[x,y,p] running the calling task. The two (isr_type, isr_channel) arguments define actually the external IRQ to be routed.
  * '''isr_type''' : type of ISR to be executed
  * '''isr_channel''' : ISR channel (for multi-channels peripherals)