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60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
//
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// bus/controller.h: System bus controller.
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//
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// CEN64: Cycle-Accurate Nintendo 64 Emulator.
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// Copyright (C) 2015, Tyler J. Stachecki.
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//
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// This file is subject to the terms and conditions defined in
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// 'LICENSE', which is part of this source code package.
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//
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#ifndef __bus_controller_h__
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#define __bus_controller_h__
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#include "common.h"
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#include "bus/memorymap.h"
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#include <setjmp.h>
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struct ai_controller;
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struct dd_controller;
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struct pi_controller;
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struct ri_controller;
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struct si_controller;
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struct vi_controller;
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struct rdp;
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struct rsp;
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struct vr4300;
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struct bus_controller {
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struct ai_controller *ai;
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struct dd_controller *dd;
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struct pi_controller *pi;
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struct ri_controller *ri;
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struct si_controller *si;
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struct vi_controller *vi;
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struct rdp *rdp;
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struct rsp *rsp;
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struct vr4300 *vr4300;
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// For resolving physical address ranges to devices.
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struct memory_map map;
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// Allows to to pop back out into device_run during simulation.
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// Kind of a hack to put this in with the device "bus", but at
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// least everyone gets access to it this way.
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jmp_buf unwind_data;
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};
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cen64_cold int bus_init(struct bus_controller *bus, int dd_present);
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// General-purpose accessor functions.
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cen64_flatten cen64_hot int bus_read_word(const struct bus_controller *bus,
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uint32_t address, uint32_t *word);
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cen64_flatten cen64_hot int bus_write_word(struct bus_controller *bus,
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uint32_t address, uint32_t word, uint32_t dqm);
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#endif
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