summaryrefslogtreecommitdiffstats
path: root/qemu/hw/openrisc/pic_cpu.c
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/hw/openrisc/pic_cpu.c')
-rw-r--r--qemu/hw/openrisc/pic_cpu.c61
1 files changed, 0 insertions, 61 deletions
diff --git a/qemu/hw/openrisc/pic_cpu.c b/qemu/hw/openrisc/pic_cpu.c
deleted file mode 100644
index 569b443f5..000000000
--- a/qemu/hw/openrisc/pic_cpu.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * OpenRISC Programmable Interrupt Controller support.
- *
- * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
- * Feng Gao <gf91597@gmail.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "hw/hw.h"
-#include "cpu.h"
-
-/* OpenRISC pic handler */
-static void openrisc_pic_cpu_handler(void *opaque, int irq, int level)
-{
- OpenRISCCPU *cpu = (OpenRISCCPU *)opaque;
- CPUState *cs = CPU(cpu);
- uint32_t irq_bit;
-
- if (irq > 31 || irq < 0) {
- return;
- }
-
- irq_bit = 1U << irq;
-
- if (level) {
- cpu->env.picsr |= irq_bit;
- } else {
- cpu->env.picsr &= ~irq_bit;
- }
-
- if (cpu->env.picsr & cpu->env.picmr) {
- cpu_interrupt(cs, CPU_INTERRUPT_HARD);
- } else {
- cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
- cpu->env.picsr = 0;
- }
-}
-
-void cpu_openrisc_pic_init(OpenRISCCPU *cpu)
-{
- int i;
- qemu_irq *qi;
- qi = qemu_allocate_irqs(openrisc_pic_cpu_handler, cpu, NR_IRQS);
-
- for (i = 0; i < NR_IRQS; i++) {
- cpu->env.irq[i] = qi[i];
- }
-}