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-rw-r--r--qemu/target-openrisc/interrupt.c86
1 files changed, 0 insertions, 86 deletions
diff --git a/qemu/target-openrisc/interrupt.c b/qemu/target-openrisc/interrupt.c
deleted file mode 100644
index 963eb1478..000000000
--- a/qemu/target-openrisc/interrupt.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * OpenRISC interrupt.
- *
- * Copyright (c) 2011-2012 Jia Liu <proljc@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 "cpu.h"
-#include "qemu-common.h"
-#include "exec/gdbstub.h"
-#include "qemu/host-utils.h"
-#ifndef CONFIG_USER_ONLY
-#include "hw/loader.h"
-#endif
-
-void openrisc_cpu_do_interrupt(CPUState *cs)
-{
-#ifndef CONFIG_USER_ONLY
- OpenRISCCPU *cpu = OPENRISC_CPU(cs);
- CPUOpenRISCState *env = &cpu->env;
-
- env->epcr = env->pc;
- if (env->flags & D_FLAG) {
- env->flags &= ~D_FLAG;
- env->sr |= SR_DSX;
- env->epcr -= 4;
- }
- if (cs->exception_index == EXCP_SYSCALL) {
- env->epcr += 4;
- }
-
- /* For machine-state changed between user-mode and supervisor mode,
- we need flush TLB when we enter&exit EXCP. */
- tlb_flush(cs, 1);
-
- env->esr = env->sr;
- env->sr &= ~SR_DME;
- env->sr &= ~SR_IME;
- env->sr |= SR_SM;
- env->sr &= ~SR_IEE;
- env->sr &= ~SR_TEE;
- env->tlb->cpu_openrisc_map_address_data = &cpu_openrisc_get_phys_nommu;
- env->tlb->cpu_openrisc_map_address_code = &cpu_openrisc_get_phys_nommu;
-
- if (cs->exception_index > 0 && cs->exception_index < EXCP_NR) {
- env->pc = (cs->exception_index << 8);
- } else {
- cpu_abort(cs, "Unhandled exception 0x%x\n", cs->exception_index);
- }
-#endif
-
- cs->exception_index = -1;
-}
-
-bool openrisc_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
-{
- OpenRISCCPU *cpu = OPENRISC_CPU(cs);
- CPUOpenRISCState *env = &cpu->env;
- int idx = -1;
-
- if ((interrupt_request & CPU_INTERRUPT_HARD) && (env->sr & SR_IEE)) {
- idx = EXCP_INT;
- }
- if ((interrupt_request & CPU_INTERRUPT_TIMER) && (env->sr & SR_TEE)) {
- idx = EXCP_TICK;
- }
- if (idx >= 0) {
- cs->exception_index = idx;
- openrisc_cpu_do_interrupt(cs);
- return true;
- }
- return false;
-}