Prepare IO Ports for timer
This commit is contained in:
Jaby
parent
8c6c9e23d6
commit
e5175d0f9c
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@ -25,6 +25,11 @@ namespace JabyEngine {
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constexpr const volatile T& ref() const {
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constexpr const volatile T& ref() const {
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return const_cast<volatile IOPort<T>*>(this)->value;
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return const_cast<volatile IOPort<T>*>(this)->value;
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}
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}
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constexpr IOPort<T>& operator=(T value) {
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IOPort::write(value);
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return *this;
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}
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};
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};
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struct __no_align ubus32_t {
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struct __no_align ubus32_t {
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@ -63,6 +68,7 @@ namespace JabyEngine {
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#define __declare_io_port_global(type, name, adr) __declare_io_port_global_raw(, type, name, adr)
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#define __declare_io_port_global(type, name, adr) __declare_io_port_global_raw(, type, name, adr)
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#define __declare_io_port_global_const(type, name, adr) __declare_io_port_global_raw(const, type, name, adr)
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#define __declare_io_port_global_const(type, name, adr) __declare_io_port_global_raw(const, type, name, adr)
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#define __declare_io_port_global_array(type, name, adr, size) static __always_inline auto& name = reinterpret_cast<type(&)[size]>(*reinterpret_cast<type*>((IO_Base_Adr + (adr & ~IO_Base_Mask))))
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#define __declare_io_port_global_array(type, name, adr, size) static __always_inline auto& name = reinterpret_cast<type(&)[size]>(*reinterpret_cast<type*>((IO_Base_Adr + (adr & ~IO_Base_Mask))))
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#define __declare_io_port_global_struct(type, name, adr) static __always_inline auto& name = *reinterpret_cast<type*>(__io_port_adr(adr))
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#define __declare_io_port_global_struct(type, name, adr) static __always_inline auto& name = *reinterpret_cast<type*>(__io_port_adr(adr))
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@ -0,0 +1,93 @@
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#ifndef __JABYENGINE_TIMER_IO_HPP__
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#define __JABYENGINE_TIMER_IO_HPP__
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#include "ioport.hpp"
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namespace JabyEngine {
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namespace Timer {
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enum struct SyncMode {};
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struct __no_align CounterMode : public ComplexBitMap<uint32_t> {
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__io_port_inherit_complex_bit_map(CounterMode);
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static constexpr auto SyncEnable = Bit<uint32_t>(0);
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static constexpr auto SyncMode = BitRange<uint32_t>::from_to(1, 2);
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static constexpr auto ResetAfterTarget = Bit<uint32_t>(3);
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static constexpr auto IRQAtTarget = Bit<uint32_t>(4);
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static constexpr auto IRQAtMax = Bit<uint32_t>(5);
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static constexpr auto IRQOneShot = !Bit<uint32_t>(6);
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static constexpr auto IRQEveryTime = Bit<uint32_t>(6);
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static constexpr auto IRQPulse = !Bit<uint32_t>(7);
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static constexpr auto IRQToggle = Bit<uint32_t>(7);
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static constexpr auto ClockSource = BitRange<uint32_t>::from_to(8, 9);
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static constexpr auto HasIRQRequest = Bit<uint32_t>(10);
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static constexpr auto IsTargetReached = Bit<uint32_t>(11);
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static constexpr auto IsMaxReached = Bit<uint32_t>(12);
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};
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struct __no_align CounterTarget : public ComplexBitMap<uint32_t> {
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__io_port_inherit_complex_bit_map(CounterTarget);
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static constexpr auto CounterTargetValue = BitRange<uint32_t>::from_to(0, 15);
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};
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struct __no_align Timer {
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IOPort<CounterMode> counter_mode;
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IOPort<CounterTarget> counter_target;
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private:
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uint32_t _unused[2];
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};
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__declare_io_port_global_array(Timer, timer, 0x1F801104, 3);
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static_assert(sizeof(Timer) == 0x10);
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namespace Counter0 {
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struct SyncMode {
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static constexpr auto Pause_During_Hblank = CounterMode::SyncMode.with(0);
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static constexpr auto Zero_At_Hblank = CounterMode::SyncMode.with(1);
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static constexpr auto Zero_At_Hblank_Pause_Outside_Hblank = CounterMode::SyncMode.with(2);
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static constexpr auto Pause_Until_Hblank_Then_Freerun = CounterMode::SyncMode.with(3);
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};
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struct Source {
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static constexpr auto System_Clock = CounterMode::ClockSource.with(0);
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static constexpr auto Dot_Clock = CounterMode::ClockSource.with(1);
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static constexpr auto System_Clock_Too = CounterMode::ClockSource.with(2);
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static constexpr auto Dot_Clock_Too = CounterMode::ClockSource.with(3);
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};
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}
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namespace Counter1 {
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struct SyncMode {
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static constexpr auto Pause_During_Vblank = CounterMode::SyncMode.with(0);
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static constexpr auto Zero_At_Vblank = CounterMode::SyncMode.with(1);
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static constexpr auto Zero_At_Vblank_Pause_Outside_Vblank = CounterMode::SyncMode.with(2);
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static constexpr auto Pause_Until_Vblank_Then_Freerun = CounterMode::SyncMode.with(3);
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};
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struct Source {
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static constexpr auto System_Clock = CounterMode::ClockSource.with(0);
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static constexpr auto Hblank = CounterMode::ClockSource.with(1);
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static constexpr auto System_Clock_Too = CounterMode::ClockSource.with(2);
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static constexpr auto Hblank_Too = CounterMode::ClockSource.with(3);
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};
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}
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namespace Counter2 {
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struct SyncMode {
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static constexpr auto Stop_Counter = CounterMode::SyncMode.with(0);
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static constexpr auto Freerun = CounterMode::SyncMode.with(1);
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static constexpr auto Freerun_Too = CounterMode::SyncMode.with(2);
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static constexpr auto Stop_Counter_Too = CounterMode::SyncMode.with(3);
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};
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struct Source {
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static constexpr auto System_Clock = CounterMode::ClockSource.with(0);
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static constexpr auto System_Clock_Too = CounterMode::ClockSource.with(1);
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static constexpr auto System_Clock_Div_8 = CounterMode::ClockSource.with(2);
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static constexpr auto System_Clock_Div_8_Too = CounterMode::ClockSource.with(3);
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};
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}
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}
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}
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#endif //!__JABYENGINE_TIMER_IO_HPP__
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@ -20,5 +20,9 @@ namespace JabyEngine {
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namespace BootFile {
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namespace BootFile {
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JabyEngine::NextRoutine setup();
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JabyEngine::NextRoutine setup();
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}
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}
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namespace Timer {
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void setup();
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}
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}
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}
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#endif //!BOOT_LOADER_HPP
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#endif //!BOOT_LOADER_HPP
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@ -0,0 +1,14 @@
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#include <PSX/System/IOPorts/timer_io.hpp>
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namespace JabyEngine {
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namespace Timer {
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void setup() {
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// Just testing around
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static constexpr auto wuff = CounterMode::with(CounterMode::IRQAtMax, Counter0::SyncMode::Zero_At_Hblank);
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timer[0].counter_mode = wuff;
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timer[0].counter_mode = wuff;
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timer[0].counter_mode = wuff;
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}
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}
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}
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