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-rw-r--r--arch/i386/include/kernel/pic.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/i386/include/kernel/pic.h b/arch/i386/include/kernel/pic.h
index c3ede4f..a9387db 100644
--- a/arch/i386/include/kernel/pic.h
+++ b/arch/i386/include/kernel/pic.h
@@ -22,6 +22,9 @@
#define ICW4_BUF_MASTER 0x0C
#define ICW4_SFNM 0x10
+#define PIC_READ_IRR 0x0A
+#define PIC_READ_ISR 0x0B
+
static inline void outb(uint16_t port, uint8_t value) {
asm volatile("outb %0, %1" : : "a"(value), "Nd"(port));
}
@@ -38,6 +41,8 @@ static inline void io_wait(void) {
void pic_eoi(unsigned char irq);
void pic_remap(void);
+uint16_t pic_get_irr(void);
+uint16_t pic_get_isr(void);
void irq_set_mask(uint8_t irq);
void irq_clear_mask(uint8_t irq);