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Enable AHCI interrupts.

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* Implement MSI style interrupts
* Move interrupt handling to device_manager for IRQs
* Give device_manager the ability to allocate IRQs
* Move achi::port to an interrupt-based scheme
This commit is contained in:
Justin C. Miller
2018-05-12 18:27:13 -07:00
parent c9277e4b12
commit 289104cde0
12 changed files with 267 additions and 47 deletions
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19
src/kernel/interrupts.cpp
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@@ -4,10 +4,10 @@
#include "kutil/enum_bitfields.h"
#include "kutil/memory.h"
#include "console.h"
#include "device_manager.h"
#include "interrupts.h"
#include "io.h"
#include "log.h"
#include "page_manager.h"
enum class gdt_flags : uint8_t
{
@@ -319,22 +319,9 @@ irq_handler(registers regs)
{
console *cons = console::get();
uint8_t irq = get_irq(regs.interrupt);
switch (irq) {
case 2:
if (! device_manager::get().dispatch_irq(irq)) {
cons->set_color(11);
cons->puts(".");
cons->set_color();
break;
case 4:
// TODO: move this to a real serial driver
cons->echo();
break;
default:
cons->set_color(11);
cons->printf("\nReceived IRQ interrupt: %d (vec %d)\n",
cons->printf("\nReceived unknown IRQ: %d (vec %d)\n",
irq, regs.interrupt);
cons->set_color();