X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=misc%2Ftest_vm%2Fsrc%2Fgeekos%2Firq.c;fp=misc%2Ftest_vm%2Fsrc%2Fgeekos%2Firq.c;h=0000000000000000000000000000000000000000;hp=24c5104b866b106327c868b810c3512fe455e325;hb=a70930549d1b741704dd7af4e6bb0e89f6f8a519;hpb=afb634a80f946634454a5d067a92aa600227bd93

diff --git a/misc/test_vm/src/geekos/irq.c b/misc/test_vm/src/geekos/irq.c
deleted file mode 100644
index 24c5104..0000000
--- a/misc/test_vm/src/geekos/irq.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * This is the device-driver interface to the interrupt system.
- * Copyright (c) 2001,2003 David H. Hovemeyer <daveho@cs.umd.edu>
- * $Revision: 1.1 $
- * 
- * This is free software.  You are permitted to use,
- * redistribute, and modify it as specified in the file "COPYING".
- */
-
-#include <geekos/kassert.h>
-#include <geekos/idt.h>
-#include <geekos/io.h>
-#include <geekos/irq.h>
-
-/* ----------------------------------------------------------------------
- * Private functions and data
- * ---------------------------------------------------------------------- */
-
-/*
- * Current IRQ mask.
- * This should be kept up to date with setup.asm
- * (which does the initial programming of the PICs).
- */
-static ushort_t s_irqMask = 0xfffb;
-
-/*
- * Get the master and slave parts of an IRQ mask.
- */
-#define MASTER(mask) ((mask) & 0xff)
-#define SLAVE(mask) (((mask)>>8) & 0xff)
-
-
-/* ----------------------------------------------------------------------
- * Public functions
- * ---------------------------------------------------------------------- */
-
-/*
- * Install a handler for given IRQ.
- * Note that we don't unmask the IRQ.
- */
-void Install_IRQ(int irq, Interrupt_Handler handler)
-{
-    Install_Interrupt_Handler(irq + FIRST_EXTERNAL_INT, handler);
-}
-
-/*
- * Get current IRQ mask.  Each bit position represents
- * one of the 16 IRQ lines.
- */
-ushort_t Get_IRQ_Mask(void)
-{
-    return s_irqMask;
-}
-
-/*
- * Set the IRQ mask.
- */
-void Set_IRQ_Mask(ushort_t mask)
-{
-    uchar_t oldMask, newMask;
-
-    oldMask = MASTER(s_irqMask);
-    newMask = MASTER(mask);
-    if (newMask != oldMask) {
-	Out_Byte(0x21, newMask);
-    }
-
-    oldMask = SLAVE(s_irqMask);
-    newMask = SLAVE(mask);
-    if (newMask != oldMask) {
-	Out_Byte(0xA1, newMask);
-    }
-
-    s_irqMask = mask;
-}
-
-/*
- * Enable given IRQ.
- */
-void Enable_IRQ(int irq)
-{
-    bool iflag = Begin_Int_Atomic();
-
-    KASSERT(irq >= 0 && irq < 16);
-    ushort_t mask = Get_IRQ_Mask();
-    mask &= ~(1 << irq);
-    Set_IRQ_Mask(mask);
-
-    End_Int_Atomic(iflag);
-}
-
-/*
- * Disable given IRQ.
- */
-void Disable_IRQ(int irq)
-{
-    bool iflag = Begin_Int_Atomic();
-
-    KASSERT(irq >= 0 && irq < 16);
-    ushort_t mask = Get_IRQ_Mask();
-    mask |= (1 << irq);
-    Set_IRQ_Mask(mask);
-
-    End_Int_Atomic(iflag);
-}
-
-/*
- * Called by an IRQ handler to begin the interrupt.
- * Currently a no-op.
- */
-void Begin_IRQ(struct Interrupt_State* state)
-{
-}
-
-/*
- * Called by an IRQ handler to end the interrupt.
- * Sends an EOI command to the appropriate PIC(s).
- */
-void End_IRQ(struct Interrupt_State* state)
-{
-    int irq = state->intNum - FIRST_EXTERNAL_INT;
-    uchar_t command = 0x60 | (irq & 0x7);
-
-    if (irq < 8) {
-	/* Specific EOI to master PIC */
-	Out_Byte(0x20, command);
-    }
-    else {
-	/* Specific EOI to slave PIC, then to master (cascade line) */
-	Out_Byte(0xA0, command);
-	Out_Byte(0x20, 0x62);
-    }
-}