jaby
/
jabyengine
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 1 Wiki Activity

Refine new IO port concept

This commit is contained in:
Jaby 2023-03-14 22:53:32 +01:00
parent 37192b537b
commit a361f8e4a0
3 changed files with 27 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
include/PSX/System/IOPorts/ioport.hpp
View File

@ -6,17 +6,28 @@ namespace JabyEngine {
template<typename T>
struct NormalValue {
typedef T Value;
typedef T NakedValue;
};
template<typename T>
struct VolatileValue {
typedef volatile T Value;
typedef T NakedValue;
};
#define __declare_new_io_port(name, adr) \
typedef name##_io_base<VolatileValue> name##_v; \
typedef name##_io_base<NormalValue> name##_t; \
static auto& name = *reinterpret_cast<name##_v*>(adr)
#define __declare_io_type(name, type, ...) \
template<template<typename> typename T> \
struct name##_io_base { \
T<type>::Value value; \
\
__VA_ARGS__ \
}
template<typename T>
struct VolatilePOD {
struct __attribute__((deprecated)) VolatilePOD {
volatile T raw;
constexpr T read() const {
@ -30,7 +41,7 @@ namespace JabyEngine {
// For use with ComplexBitMaps or what else satisfies this API
template<typename T>
struct VolatileBitMapPOD {
struct __attribute__((deprecated)) VolatileBitMapPOD {
typedef typename T::UnderlyingType Raw;
VolatilePOD<Raw> pod;

25
include/PSX/System/IOPorts/memory_io.hpp
View File

@ -4,27 +4,20 @@
namespace JabyEngine {
namespace Memory_IO {
template<template<typename> typename T>
struct COM_DELAY_base {
T<uint32_t>::Value value;
__declare_io_type(COM_DELAY, uint32_t,
void setup() {
this->value = 0x1325;
}
};
typedef COM_DELAY_base<VolatileValue> COM_DELAY_v;
typedef COM_DELAY_base<NormalValue> COM_DELAY_t;
);
struct CD_DELAY {
typedef uint32_t Type;
__declare_io_type(CD_DELAY, uint32_t,
void setup() {
this->value = 0x20943;
}
);
static constexpr uint32_t SetupValue = 0x20943;
};
static auto& COM_DELAY = *reinterpret_cast<COM_DELAY_v*>(0x1F801020);
//__declare_io_port_global_simple(COM_DELAY::Type, COM_DELAY, 0x1F801020);
__declare_io_port_global_simple(CD_DELAY::Type, CD_DELAY, 0x1F801018);
__declare_new_io_port(COM_DELAY, 0x1F801020);
__declare_new_io_port(CD_DELAY, 0x1F801018);
}
}

12
src/Library/src/BootLoader/cd_boot.cpp
View File

@ -17,17 +17,7 @@ namespace JabyEngine {
void setup() {
__syscall_EnterCriticalSection();
Memory_IO::COM_DELAY.setup();
Memory_IO::COM_DELAY.setup();
Memory_IO::COM_DELAY.setup();
Memory_IO::COM_DELAY_t b{Memory_IO::COM_DELAY.value};
b.setup();
b.setup();
b.setup();
//Memory_IO::COM_DELAY.write(Memory_IO::COM_DELAY::SetupValue);
Memory_IO::CD_DELAY.write(Memory_IO::CD_DELAY::SetupValue);
Memory_IO::CD_DELAY.setup();
__syscall_SysEnqIntRP(CdromIoIrq, &::JabyEngine::CD::internal::callback);