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This commit is contained in:
Jaby
2024-07-04 13:26:21 +02:00
committed by Jaby
parent d0e83656b8
commit 83fcf8643b
8 changed files with 32 additions and 171 deletions
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50
src/Library/internal-include/CD/cd_internal.hpp
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@@ -21,7 +21,6 @@ namespace JabyEngine {
extern State current_state;
extern uint8_t irq_bit_pending;
extern uint8_t last_cmd;
struct Command {
static void wait_completed() {
@@ -35,7 +34,6 @@ namespace JabyEngine {
while(CD_IO::IndexStatus.read().is_set(CD_IO::IndexStatus::IsTransmissionBusy));
irq_bit_pending = bit::set(irq_bit_pending, cmd.complete_irq);
last_cmd = cmd.id;
CD_IO::PortIndex0::change_to();
((CD_IO::PortIndex0::ParameterFifo.write(CD_IO::ParameterFifo{args})),...);
CD_IO::PortIndex0::CommandFifo.write(CD_IO::CommandFifo{cmd.id});
@@ -48,54 +46,6 @@ namespace JabyEngine {
}
};
/*struct NewCommand {
struct Internal {
static void wait_completed(CD_IO::Interrupt::Type irq) {
static const auto get_next_irq = []() -> CD_IO::Interrupt::Type {
CD_IO::Interrupt::Type cur_irq = CD_IO::Interrupt::None;
do {
cur_irq = CD_IO::Interrupt::get_type(CD_IO::PortIndex1::InterruptFlag);
} while(cur_irq == CD_IO::Interrupt::None);
cur_irq = CD_IO::Interrupt::get_type(CD_IO::PortIndex1::InterruptFlag);
// ^ Stabilize interrupt
CD_IO::Interrupt::ack_extended(CD_IO::PortIndex1::InterruptFlag);
return cur_irq;
};
CD_IO::PortIndex1::change_to();
while(get_next_irq() != irq);
CD_IO::PortIndex0::change_to();
}
template<typename...ARGS>
static void send(CD_IO::Command::Desc cmd, ARGS...args) {
while(CD_IO::IndexStatus.read().is_set(CD_IO::IndexStatus::IsTransmissionBusy));
CD_IO::PortIndex0::change_to();
((CD_IO::PortIndex0::ParameterFifo.write(CD_IO::ParameterFifo{args})),...);
CD_IO::PortIndex0::CommandFifo.write(CD_IO::CommandFifo{cmd.id});
while(CD_IO::IndexStatus.read().is_set(CD_IO::IndexStatus::IsTransmissionBusy));
}
};
// Requires Index 0
template<typename...ARGS>
static void send(CD_IO::Command::Desc cmd, ARGS...args) {
Internal::send(cmd, args...);
}
// Requires Index 0
template<typename...ARGS>
static void send_wait_response(CD_IO::Command::Desc cmd, ARGS...args) {
Interrupt::disable_irq(Interrupt::CDROM);
Internal::send(cmd, args...);
Internal::wait_completed(cmd.complete_irq);
Interrupt::enable_irq(Interrupt::CDROM);
}
};*/
namespace IRQ {
void process(uint32_t irq);
void read_sector_to0(uint32_t* dst, size_t bytes);