usb: Start work on SOF generation and frame counting

2023-05-06 23:19:55 +06:00
parent aa02968c46
commit 41f26b57c2
2 changed files with 33 additions and 19 deletions
--- a/src/include/86box/usb.h
+++ b/src/include/86box/usb.h
@@ -36,7 +36,13 @@ typedef struct
 /* USB Host Controller device struct */
 typedef struct usb_t
 {
-    uint8_t       uhci_io[32], ohci_mmio[4096];
+    union
+    {
+        uint8_t  ohci_mmio[4096];
+        uint16_t ohci_mmio_w[2048];
+        uint32_t ohci_mmio_l[1024];
+    };
+    uint8_t       uhci_io[32];
    uint16_t      uhci_io_base;
    int           uhci_enable, ohci_enable;
    uint32_t      ohci_mem_base;