1 files changed, 0 insertions, 89 deletions
diff --git a/firmware/zpu/lib/pic.c b/firmware/zpu/lib/pic.c
deleted file mode 100644
index bd627ce6b..000000000
--- a/firmware/zpu/lib/pic.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/* -*- c -*- */
-/*
- * Copyright 2007 Free Software Foundation, Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "pic.h"
-#include "hal_io.h"
-#include "memory_map.h"
-
-
-#define NVECTORS 8
-
-/*
- * Our secondary interrupt vector.
- */
-irq_handler_t pic_vector[NVECTORS];
-
-void
-pic_init(void)
-{
-  // uP is level triggered
-
-  pic_regs->mask = ~0;				       // mask all interrupts
-  pic_regs->edge_enable = PIC_ONETIME_INT | PIC_UNDERRUN_INT | PIC_OVERRUN_INT | PIC_PPS_INT;
-  pic_regs->polarity = ~0 & ~PIC_PHY_INT;	       // rising edge
-  pic_regs->pending = ~0;			       // clear all pending ints
-
-  for (int i = 0; i < NVECTORS; i++){
-    pic_vector[i] = pic_nop_handler;
-  }
-}
-
-/*
- * This magic gets pic_interrupt_handler wired into the
- * system interrupt handler with the appropriate prologue and
- * epilogue.
- */
-//FIXME zpu-gcc does not install interrupt_handler like this
-//void pic_interrupt_handler() __attribute__ ((interrupt_handler));
-
-void pic_interrupt_handler()
-{
-  // pending and not masked interrupts
-  int live = pic_regs->pending & ~pic_regs->mask;
-
-  // FIXME loop while there are interrupts to service.
-  //   That will reduce our overhead.
-
-  // handle the first one set
-  int i;
-  int mask;
-  for (i=0, mask=1; i < NVECTORS; i++, mask <<= 1){
-    if (mask & live){		// handle this one
-      // puthex_nl(i);
-      (*pic_vector[i])(i);
-      pic_regs->pending = mask;	// clear pending interrupt
-      return;
-    }
-  }
-}
-
-void
-pic_register_handler(unsigned irq, irq_handler_t handler)
-{
-  if (irq >= NVECTORS)
-    return;
-  pic_vector[irq] = handler;
-
-  pic_regs->mask &= ~IRQ_TO_MASK(irq);
-}
-
-void
-pic_nop_handler(unsigned irq)
-{
-  // nop
-}