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The SysTick timer isn't really part of the NVIC proper; we just modelled it that way back when we couldn't easily have devices that only occupied a small chunk of a memory region. Split it out into its own device. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1487604965-23220-10-git-send-email-peter.maydell@linaro.org Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
35 lines
676 B
C
35 lines
676 B
C
/*
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* ARMv7M SysTick timer
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*
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* Copyright (c) 2006-2007 CodeSourcery.
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* Written by Paul Brook
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* Copyright (c) 2017 Linaro Ltd
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* Written by Peter Maydell
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*
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* This code is licensed under the GPL (version 2 or later).
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*/
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#ifndef HW_TIMER_ARMV7M_SYSTICK_H
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#define HW_TIMER_ARMV7M_SYSTICK_H
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#include "hw/sysbus.h"
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#define TYPE_SYSTICK "armv7m_systick"
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#define SYSTICK(obj) OBJECT_CHECK(SysTickState, (obj), TYPE_SYSTICK)
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typedef struct SysTickState {
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/*< private >*/
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SysBusDevice parent_obj;
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/*< public >*/
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uint32_t control;
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uint32_t reload;
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int64_t tick;
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QEMUTimer *timer;
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MemoryRegion iomem;
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qemu_irq irq;
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} SysTickState;
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#endif
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