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KUSB from the TempleOS Supplemental Disc
Running the conversion script didn't seem to do much. I also ran it through the https://techiedelight.com/tools/clike
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118
src/Kernel/KUSB.ZC
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118
src/Kernel/KUSB.ZC
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#define USBP_CMD 0x00
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#define USBP_STS 0x02
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#define USBP_INTR 0x04
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#define USBP_FRNUM 0x06
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#define USBP_FRBASEADD 0x08
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#define USBP_SOFMOD 0x0C
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#define USBP_PORTSC0 0x10
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#define USBP_PORTSC1 0x12
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#define USB_NUM 16
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class CUSBTD //Not implemented
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{
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U32 td[4];
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};
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class CUSB //Not implemented
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{
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U8 num, //USB dev num
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bus, dev, fun;
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U16 ports, pad;
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U32 * frame_lst;
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};
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//USB Pkt ID's
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#define PID_OUT 0xE1
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#define PID_IN 0x69
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#define PID_SOF 0xA5
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#define PID_SETUP 0x2D
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#define PID_DATA0 0xC3
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#define PID_DATA1 0x4B
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#define PID_DATA2 0x87
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#define PID_MDATA 0x0F
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#define PID_ACK 0xD2
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#define PID_NAK 0x5A
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#define PID_STALL 0x1E
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#define PID_NYET 0x96
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#define PID_PRE 0x3C
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#define PID_ERR 0x3C
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#define PID_SPLIT 0x78
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#define PID_PING 0xB4
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//USB Std Rqsts
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#define RQ_GET_STAT 0x0
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#define RQ_CLR_FEAT 0x1
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#define RQ_SET_FEAT 0x3
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#define RQ_SET_ADDR 0x5
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#define RQ_SET_DESC 0x7
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#define RQ_GET_CFG 0x8
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#define RQ_SET_CFG 0x9
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#define RQ_GET_INTERFACE 0xA
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#define RQ_SET_INTERFACE 0xB
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#define RQ_SYNC_FRAME 0xC
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I64 sys_num_usb = 0;
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CUSB sys_usb_devs[USB_NUM];
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MemSet(sys_usb_devs, 0, USB_NUM* sizeof(CUSB));
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U0 USBInitOne(I64 b, I64 d, I64 f)
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{
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CUSB * u;
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if (sys_num_usb < USB_NUM &&
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PCIReadU16(b, d, f, 0) == 0x8086)
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{
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u = &sys_usb_devs[sys_num_usb++];
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u->num = sys_num_usb;
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u->bus = b;
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u->dev = d;
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u->fun = f;
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u->ports = PCIReadU32(b, d, f, 0x20) &~0x1F;
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}
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}
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U0 USBEndAll()
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{
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sys_num_usb = 0;
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}
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U0 USBInitAll() //This is only valid for my ICH10 dev
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{
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if (sys_num_usb)
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USBEndAll;
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USBInitOne(0, 29, 0);
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USBInitOne(0, 29, 1);
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USBInitOne(0, 29, 2);
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USBInitOne(0, 29, 3);
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USBInitOne(0, 26, 0);
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USBInitOne(0, 26, 1);
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USBInitOne(0, 26, 2);
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}
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CUSBTD* USBAllocTD()
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{
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return MAllocAligned(sizeof(CUSBTD), 0x10, dev.uncached_heap);
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}
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U0 USBFreeTD(CUSBTD *tmptd)
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{
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Free(tmptd);
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}
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U32* USBAllocFrameLst(I64 usb_num, I64 size)
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{
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//aligned to 0x1000
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CUSB * u;
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if (0 <= usb_num < sys_num_usb)
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{
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u = &sys_usb_devs[usb_num];
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Free(u->frame_lst);
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u->frame_lst = MAllocAligned(size* sizeof(U32), 0x1000, dev.uncached_heap);
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OutU16(u->ports + USBP_CMD, 0); //Stop
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OutU16(u->ports + USBP_FRNUM, 0);
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OutU32(u->ports + USBP_FRBASEADD, u->frame_lst);
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return u->frame_lst;
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}
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return NULL;
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}
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