1 files changed, 0 insertions, 71 deletions
diff --git a/gpxe/src/arch/i386/include/pic8259.h b/gpxe/src/arch/i386/include/pic8259.h
deleted file mode 100644
index f8e20c4c..00000000
--- a/gpxe/src/arch/i386/include/pic8259.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Basic support for controlling the 8259 Programmable Interrupt Controllers.
- *
- * Initially written by Michael Brown (mcb30).
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-#ifndef PIC8259_H
-#define PIC8259_H
-
-/* For segoff_t */
-#include "realmode.h"
-
-#define IRQ_PIC_CUTOFF 8
-
-/* 8259 register locations */
-#define PIC1_ICW1 0x20
-#define PIC1_OCW2 0x20
-#define PIC1_OCW3 0x20
-#define PIC1_ICR 0x20
-#define PIC1_IRR 0x20
-#define PIC1_ISR 0x20
-#define PIC1_ICW2 0x21
-#define PIC1_ICW3 0x21
-#define PIC1_ICW4 0x21
-#define PIC1_IMR 0x21
-#define PIC2_ICW1 0xa0
-#define PIC2_OCW2 0xa0
-#define PIC2_OCW3 0xa0
-#define PIC2_ICR 0xa0
-#define PIC2_IRR 0xa0
-#define PIC2_ISR 0xa0
-#define PIC2_ICW2 0xa1
-#define PIC2_ICW3 0xa1
-#define PIC2_ICW4 0xa1
-#define PIC2_IMR 0xa1
-
-/* Register command values */
-#define OCW3_ID 0x08
-#define OCW3_READ_IRR 0x03
-#define OCW3_READ_ISR 0x02
-#define ICR_EOI_NON_SPECIFIC 0x20
-#define ICR_EOI_NOP 0x40
-#define ICR_EOI_SPECIFIC 0x60
-#define ICR_EOI_SET_PRIORITY 0xc0
-
-/* Macros to enable/disable IRQs */
-#define IMR_REG(x) ( (x) < IRQ_PIC_CUTOFF ? PIC1_IMR : PIC2_IMR )
-#define IMR_BIT(x) ( 1 << ( (x) % IRQ_PIC_CUTOFF ) )
-#define irq_enabled(x) ( ( inb ( IMR_REG(x) ) & IMR_BIT(x) ) == 0 )
-#define enable_irq(x) outb ( inb( IMR_REG(x) ) & ~IMR_BIT(x), IMR_REG(x) )
-#define disable_irq(x) outb ( inb( IMR_REG(x) ) | IMR_BIT(x), IMR_REG(x) )
-
-/* Macros for acknowledging IRQs */
-#define ICR_REG( irq ) ( (irq) < IRQ_PIC_CUTOFF ? PIC1_ICR : PIC2_ICR )
-#define ICR_VALUE( irq ) ( (irq) % IRQ_PIC_CUTOFF )
-#define CHAINED_IRQ 2
-
-/* Utility macros to convert IRQ numbers to INT numbers and INT vectors  */
-#define IRQ_INT( irq ) ( ( ( (irq) - IRQ_PIC_CUTOFF ) ^ 0x70 ) & 0x7f )
-
-/* Other constants */
-#define IRQ_MAX 15
-#define IRQ_NONE -1U
-
-/* Function prototypes
- */
-void send_eoi ( unsigned int irq );
-
-#endif /* PIC8259_H */