1 files changed, 0 insertions, 115 deletions
diff --git a/qemu/roms/seabios/src/hw/pic.c b/qemu/roms/seabios/src/hw/pic.c
deleted file mode 100644
index d8b9764c7..000000000
--- a/qemu/roms/seabios/src/hw/pic.c
+++ /dev/null
@@ -1,115 +0,0 @@
-// Helpers for working with i8259 interrupt controller.
-//
-// Copyright (C) 2008  Kevin O'Connor <kevin@koconnor.net>
-// Copyright (C) 2002  MandrakeSoft S.A.
-//
-// This file may be distributed under the terms of the GNU LGPLv3 license.
-
-#include "biosvar.h" // SET_IVT
-#include "config.h" // CONFIG_*
-#include "output.h" // dprintf
-#include "pic.h" // pic_*
-
-u16
-pic_irqmask_read(void)
-{
-    if (!CONFIG_HARDWARE_IRQ)
-        return 0;
-    return inb(PORT_PIC1_DATA) | (inb(PORT_PIC2_DATA) << 8);
-}
-
-void
-pic_irqmask_write(u16 mask)
-{
-    if (!CONFIG_HARDWARE_IRQ)
-        return;
-    outb(mask, PORT_PIC1_DATA);
-    outb(mask >> 8, PORT_PIC2_DATA);
-}
-
-void
-pic_irqmask_mask(u16 off, u16 on)
-{
-    if (!CONFIG_HARDWARE_IRQ)
-        return;
-    u8 pic1off = off, pic1on = on, pic2off = off>>8, pic2on = on>>8;
-    outb((inb(PORT_PIC1_DATA) & ~pic1off) | pic1on, PORT_PIC1_DATA);
-    outb((inb(PORT_PIC2_DATA) & ~pic2off) | pic2on, PORT_PIC2_DATA);
-}
-
-void
-pic_reset(u8 irq0, u8 irq8)
-{
-    if (!CONFIG_HARDWARE_IRQ)
-        return;
-    // Send ICW1 (select OCW1 + will send ICW4)
-    outb(0x11, PORT_PIC1_CMD);
-    outb(0x11, PORT_PIC2_CMD);
-    // Send ICW2 (base irqs: 0x08-0x0f for irq0-7, 0x70-0x77 for irq8-15)
-    outb(irq0, PORT_PIC1_DATA);
-    outb(irq8, PORT_PIC2_DATA);
-    // Send ICW3 (cascaded pic ids)
-    outb(0x04, PORT_PIC1_DATA);
-    outb(0x02, PORT_PIC2_DATA);
-    // Send ICW4 (enable 8086 mode)
-    outb(0x01, PORT_PIC1_DATA);
-    outb(0x01, PORT_PIC2_DATA);
-    // Mask all irqs (except cascaded PIC2 irq)
-    pic_irqmask_write(PIC_IRQMASK_DEFAULT);
-}
-
-void
-pic_setup(void)
-{
-    dprintf(3, "init pic\n");
-    pic_reset(BIOS_HWIRQ0_VECTOR, BIOS_HWIRQ8_VECTOR);
-}
-
-void
-enable_hwirq(int hwirq, struct segoff_s func)
-{
-    if (!CONFIG_HARDWARE_IRQ)
-        return;
-    pic_irqmask_mask(1 << hwirq, 0);
-    int vector;
-    if (hwirq < 8)
-        vector = BIOS_HWIRQ0_VECTOR + hwirq;
-    else
-        vector = BIOS_HWIRQ8_VECTOR + hwirq - 8;
-    SET_IVT(vector, func);
-}
-
-static u8
-pic_isr1_read(void)
-{
-    if (!CONFIG_HARDWARE_IRQ)
-        return 0;
-    // 0x0b == select OCW1 + read ISR
-    outb(0x0b, PORT_PIC1_CMD);
-    return inb(PORT_PIC1_CMD);
-}
-
-static u8
-pic_isr2_read(void)
-{
-    if (!CONFIG_HARDWARE_IRQ)
-        return 0;
-    // 0x0b == select OCW1 + read ISR
-    outb(0x0b, PORT_PIC2_CMD);
-    return inb(PORT_PIC2_CMD);
-}
-
-// Handler for otherwise unused hardware irqs.
-void VISIBLE16
-handle_hwpic1(struct bregs *regs)
-{
-    dprintf(DEBUG_ISR_hwpic1, "handle_hwpic1 irq=%x\n", pic_isr1_read());
-    pic_eoi1();
-}
-
-void VISIBLE16
-handle_hwpic2(struct bregs *regs)
-{
-    dprintf(DEBUG_ISR_hwpic2, "handle_hwpic2 irq=%x\n", pic_isr2_read());
-    pic_eoi2();
-}