Method ioctl

source/kernel/devs/devsequencer.cpp:87–122

struct synth_info { char name[30]; int device; int synth_type; #define SYNTH_TYPE_FM 0 #define SYNTH_TYPE_SAMPLE 1 #define SYNTH_TYPE_MIDI 2 // Midi interface int synth_subtype; #define FM_TYPE_ADLIB 0x00 #define FM_TYPE_OPL3 0x01 #define MIDI_TYPE_MPU401 0x401 #define SAMPLE_TYPE_BASIC 0x10 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC #define SAMPLE_TYPE_WAVEFR

};
*/
U32 DevSequencer::ioctl(KThread* thread, U32 request) {
    //U32 len = (request >> 16) & 0x3FFF;
    CPU* cpu = thread->cpu;
	KMemory* memory = thread->memory;

    //bool read = (request & 0x40000000) != 0;
    bool write = (request & 0x80000000) != 0;

    switch (request & 0xFFFF) {     
    case 0x5100: // LINUX_SNDCTL_SEQ_RESET	
        return 0;
    case 0x5102: // LINUX_SNDCTL_SYNTH_INFO	        
        return 0;
    case 0x510a: // LINUX_SNDCTL_SEQ_NRSYNTHS
        if (write)
            memory->writed(IOCTL_ARG1, 0);
        return 0;
    case 0x510b: // LINUX_SNDCTL_SEQ_NRMIDIS
        if (write)
			memory->writed(IOCTL_ARG1, audio->midiOutGetNumDevs());
        return 0;
    case 0x510c: // LINUX_SNDCTL_MIDI_INFO	
		U32 index = memory->readd(IOCTL_ARG1 + 32);
        BString name = audio->midiOutGetName(index);
		U32 len = (U32)name.length();
		if (len > 31) {
			len = 31;
		}
		memory->memcpy(IOCTL_ARG1, name.c_str(), len);
		memory->writeb(IOCTL_ARG1 + 31, 0);
		memory->writed(IOCTL_ARG1+36, 0); // capabilities
		memory->writed(IOCTL_ARG1+40, 0); // dev_type
        return 0;
    }
    return -K_ENODEV;
}

U32 DevSequencer::readNative(U8* buffer, U32 len) {
    return 0;