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The end 07.06.2024

This commit is contained in:
Björn Gaier 2024-06-07 15:24:31 +02:00
parent 70ac5b65e4
commit 07fefed802
2 changed files with 41 additions and 11 deletions
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39
src/Library/internal-include/CD/cd_internal.hpp
View File

@ -2,6 +2,8 @@
#include "cd_types.hpp"
#include <PSX/System/syscalls.hpp>
#include <stdio.hpp>
namespace JabyEngine {
namespace CD {
namespace internal {
@ -17,13 +19,14 @@ namespace JabyEngine {
};
extern State current_state;
extern uint8_t cmd_interrupt_bit;
extern volatile uint8_t cmd_interrupt_bit;
extern uint8_t rel_last_send_cmd;
extern uint8_t last_send_cmd;
struct Command {
struct Internal {
static void wait_completed(CD_IO::Interrupt::Type irq) {
while(bit::is_set(const_cast<volatile uint8_t&>(cmd_interrupt_bit), irq));
while(!bit::is_set(cmd_interrupt_bit, irq));
}
static void wait_completed_irq(CD_IO::Interrupt::Type irq) {
@ -32,9 +35,12 @@ namespace JabyEngine {
do {
cur_irq = CD_IO::Interrupt::get_type(CD_IO::PortIndex1::InterruptFlag);
if(cur_irq == CD_IO::Interrupt::Acknowledge) {
printf("Rand ACK for 0x%X\n", last_send_cmd);
}
} while(cur_irq == CD_IO::Interrupt::None);
CD_IO::Interrupt::ack_extended(CD_IO::PortIndex1::InterruptFlag);
cmd_interrupt_bit = bit::clear(cmd_interrupt_bit, cur_irq);
cmd_interrupt_bit = bit::set(cmd_interrupt_bit, cur_irq);
return cur_irq;
};
@ -47,27 +53,42 @@ namespace JabyEngine {
static void send(IOPort<CD_IO::CommandFifo>& cmd_fifo, IOPort<CD_IO::ParameterFifo>& parameter_fifo, CD_IO::Command::Desc cmd, ARGS...args) {
while(CD_IO::IndexStatus.read().is_set(CD_IO::IndexStatus::IsTransmissionBusy));
cmd_interrupt_bit = bit::set(cmd_interrupt_bit, cmd.complete_irq);
SysCall::EnterCriticalSection();
cmd_interrupt_bit = 0;
CD_IO::PortIndex0::change_to();
((parameter_fifo.write(CD_IO::ParameterFifo{args})),...);
cmd_fifo.write(CD_IO::CommandFifo{cmd.id});
//printf(">>> 0x%X send @%i\n", cmd.id, CD_IO::IndexStatus.read().raw&0b111);
rel_last_send_cmd = cmd.id;
last_send_cmd = cmd.id;
SysCall::ExitCriticalSection();
}
template<typename...ARGS>
static void send_irq(IOPort<CD_IO::CommandFifo>& cmd_fifo, IOPort<CD_IO::ParameterFifo>& parameter_fifo, CD_IO::Command::Desc cmd, ARGS...args) {
while(CD_IO::IndexStatus.read().is_set(CD_IO::IndexStatus::IsTransmissionBusy));
CD_IO::PortIndex0::change_to();
((parameter_fifo.write(CD_IO::ParameterFifo{args})),...);
cmd_fifo.write(CD_IO::CommandFifo{cmd.id});
last_send_cmd = cmd.id;
rel_last_send_cmd = cmd.id;
last_send_cmd = cmd.id;
}
};
// Requires Index 0
template<typename...ARGS>
static void send_wait(CD_IO::Command::Desc cmd, ARGS...args) {
SysCall::EnterCriticalSection();
Internal::send(CD_IO::PortIndex0::CommandFifo, CD_IO::PortIndex0::ParameterFifo, cmd, args...);
SysCall::ExitCriticalSection();
Internal::send(CD_IO::PortIndex0::CommandFifo, CD_IO::PortIndex0::ParameterFifo, cmd, args...);
Internal::wait_completed(cmd.complete_irq);
}
// Requires Index 0
template<typename...ARGS>
static void send_wait_irq(CD_IO::Command::Desc cmd, ARGS...args) {
Internal::send(CD_IO::PortIndex0::CommandFifo, CD_IO::PortIndex0::ParameterFifo, cmd, args...);
Internal::send_irq(CD_IO::PortIndex0::CommandFifo, CD_IO::PortIndex0::ParameterFifo, cmd, args...);
Internal::wait_completed_irq(cmd.complete_irq);
}
};

13
src/Library/src/CD/cd.cpp
View File

@ -38,7 +38,8 @@ namespace JabyEngine {
static SectorBufferAllocator sector_allocator;
static File cur_file;
uint8_t cmd_interrupt_bit = 0;
volatile uint8_t cmd_interrupt_bit = 0;
uint8_t rel_last_send_cmd = 0;
uint8_t last_send_cmd = 0;
State current_state = State::Ready;
auto irq_callback = SysCall::InterruptCallback::from(IRQ::verifier, IRQ::handler);
@ -102,7 +103,7 @@ namespace JabyEngine {
CD_IO::PortIndex0::change_to();
//printf("Before: %i (IRQ: %i)\n", cmd_interrupt_bit, cur_irq);
cmd_interrupt_bit = bit::clear(cmd_interrupt_bit, cur_irq);
cmd_interrupt_bit = bit::set(cmd_interrupt_bit, cur_irq);
//printf("After: %i (IRQ: %i)\n", cmd_interrupt_bit, cur_irq);
if(current_state != State::XAMode) {
@ -126,6 +127,13 @@ namespace JabyEngine {
}
} break;
case CD_IO::Interrupt::Acknowledge: {
if(last_send_cmd != 0x0) {
printf("ACK 0x%X\n", last_send_cmd);
last_send_cmd = 0x0;
}
} break;
case CD_IO::Interrupt::DataEnd: {
// TODO: Fix this!! This is a freaking static time
resume_at0(BCDTimeStamp{.min = 0x0, .sec = 0x09, .sector = 0x0});
@ -133,6 +141,7 @@ namespace JabyEngine {
} break;
case CD_IO::Interrupt::DiskError: {
printf("CD ERROR\n");
current_state = State::Error;
} break;
}