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18ff341415
Don't let the RDP get too far ahead of the other cores or it causes lots of frameskipping issues. Unfortunately, this also hurts the performance but such is life.
41 lines
1 KiB
C
41 lines
1 KiB
C
//
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// rdp/cpu.c: RDP processor container.
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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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#include "common.h"
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#include "rdp/cpu.h"
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#include "thread.h"
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#ifdef DEBUG_MMIO_REGISTER_ACCESS
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const char *dp_register_mnemonics[NUM_DP_REGISTERS] = {
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#define X(reg) #reg,
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#include "rdp/registers.md"
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#undef X
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};
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#endif
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// Sets the opaque pointer used for external accesses.
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static void rdp_connect_bus(struct rdp *rdp, struct bus_controller *bus) {
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rdp->bus = bus;
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}
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CEN64_THREAD_RETURN_TYPE rdp_thread(void *);
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// Initializes the RDP component.
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int rdp_init(struct rdp *rdp, struct bus_controller *bus) {
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rdp_connect_bus(rdp, bus);
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rdp->regs[DPC_STATUS_REG] = 0x80;
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cen64_mutex_create(&rdp->rdp_mutex);
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cen64_cv_create(&rdp->rdp_signal);
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cen64_cv_create(&rdp->rdp_sync_signal);
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return cen64_thread_create(&rdp->rdp_thread, rdp_thread, rdp);
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}
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