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[PATCH 2/2] target/nios2: Move nios2_check_interrupts() into target/nios


From: Peter Maydell
Subject: [PATCH 2/2] target/nios2: Move nios2_check_interrupts() into target/nios2
Date: Fri, 27 Nov 2020 19:12:33 +0000

The function nios2_check_interrupts)() looks only at CPU-internal
state; it belongs in target/nios2, not hw/nios2.  Move it into the
same file as its only caller, so it can just be local to that file.

This removes the only remaining code from cpu_pic.c, so we can delete
that file entirely.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/nios2/cpu.h       |  2 --
 hw/nios2/cpu_pic.c       | 36 ------------------------------------
 target/nios2/op_helper.c |  9 +++++++++
 hw/nios2/meson.build     |  2 +-
 4 files changed, 10 insertions(+), 39 deletions(-)
 delete mode 100644 hw/nios2/cpu_pic.c

diff --git a/target/nios2/cpu.h b/target/nios2/cpu.h
index b7efb54ba7e..2ab82fdc713 100644
--- a/target/nios2/cpu.h
+++ b/target/nios2/cpu.h
@@ -201,8 +201,6 @@ void nios2_cpu_do_unaligned_access(CPUState *cpu, vaddr 
addr,
                                    MMUAccessType access_type,
                                    int mmu_idx, uintptr_t retaddr);
 
-void nios2_check_interrupts(CPUNios2State *env);
-
 void do_nios2_semihosting(CPUNios2State *env);
 
 #define CPU_RESOLVING_TYPE TYPE_NIOS2_CPU
diff --git a/hw/nios2/cpu_pic.c b/hw/nios2/cpu_pic.c
deleted file mode 100644
index 3fb621c5c85..00000000000
--- a/hw/nios2/cpu_pic.c
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Altera Nios2 CPU PIC
- *
- * Copyright (c) 2016 Marek Vasut <marek.vasut@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 2.1 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/lgpl-2.1.html>
- */
-
-#include "qemu/osdep.h"
-#include "cpu.h"
-#include "hw/irq.h"
-
-#include "qemu/config-file.h"
-
-#include "boot.h"
-
-void nios2_check_interrupts(CPUNios2State *env)
-{
-    if (env->irq_pending &&
-        (env->regs[CR_STATUS] & CR_STATUS_PIE)) {
-        env->irq_pending = 0;
-        cpu_interrupt(env_cpu(env), CPU_INTERRUPT_HARD);
-    }
-}
diff --git a/target/nios2/op_helper.c b/target/nios2/op_helper.c
index a60730faac3..a59003855ab 100644
--- a/target/nios2/op_helper.c
+++ b/target/nios2/op_helper.c
@@ -36,6 +36,15 @@ void helper_mmu_write(CPUNios2State *env, uint32_t rn, 
uint32_t v)
     mmu_write(env, rn, v);
 }
 
+static void nios2_check_interrupts(CPUNios2State *env)
+{
+    if (env->irq_pending &&
+        (env->regs[CR_STATUS] & CR_STATUS_PIE)) {
+        env->irq_pending = 0;
+        cpu_interrupt(env_cpu(env), CPU_INTERRUPT_HARD);
+    }
+}
+
 void helper_check_interrupts(CPUNios2State *env)
 {
     qemu_mutex_lock_iothread();
diff --git a/hw/nios2/meson.build b/hw/nios2/meson.build
index dd66ebb32f6..6c58e8082b4 100644
--- a/hw/nios2/meson.build
+++ b/hw/nios2/meson.build
@@ -1,5 +1,5 @@
 nios2_ss = ss.source_set()
-nios2_ss.add(files('boot.c', 'cpu_pic.c'))
+nios2_ss.add(files('boot.c'))
 nios2_ss.add(when: 'CONFIG_NIOS2_10M50', if_true: files('10m50_devboard.c'))
 nios2_ss.add(when: 'CONFIG_NIOS2_GENERIC_NOMMU', if_true: 
files('generic_nommu.c'))
 
-- 
2.20.1




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