80486DX2-66/86Box-fork
1
0
Fork 0
Code Issues Pull Requests Activity

Merge pull request #3317 from Cacodemon345/usb-work

Browse Source 
usb: Increment HcFmNumber in EOF function
This commit is contained in:
Miran Grča
2023-05-06 21:52:09 +02:00
committed by GitHub
parent 61f2e228ff d0efb0079f
commit c0ba851a5a
2 changed files with 13 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/include/86box/usb.h
View File

@@ -76,6 +76,15 @@ typedef struct
} usb_desc_conf_t;
#pragma pack(pop)
typedef struct
{
uint32_t HccaInterrruptTable[32];
uint16_t HccaFrameNumber;
uint16_t HccaPad1;
uint32_t HccaDoneHead;
uint32_t Reserved[29];
} usb_hcca_t;
/* USB endpoint device struct. Incomplete and unused. */
typedef struct
{

5
src/usb.c
View File

@@ -28,6 +28,7 @@
#include <86box/mem.h>
#include <86box/timer.h>
#include <86box/usb.h>
#include <86box/dma.h>
#ifdef ENABLE_USB_LOG
int usb_do_log = ENABLE_USB_LOG;
@@ -243,6 +244,7 @@ void
ohci_end_of_frame(usb_t* dev)
{
/* TODO: Put endpoint and transfer descriptor processing here. */
dev->ohci_mmio_w[OHCI_HcFmNumber / 2]++;
}
void
@@ -262,8 +264,9 @@ ohci_update_frame_counter(void* priv)
dev->ohci_mmio_w[OHCI_HcFmRemaining / 2] = dev->ohci_mmio_w[OHCI_HcFmInterval / 2] & 0x3fff;
dev->ohci_mmio_l[OHCI_HcFmRemaining / 4] &= ~(1 << 31);
dev->ohci_mmio_l[OHCI_HcFmRemaining / 4] |= dev->ohci_mmio_l[OHCI_HcFmInterval / 4] & (1 << 31);
dev->ohci_mmio_w[OHCI_HcFmNumber / 2]++;
ohci_start_of_frame(dev);
timer_on_auto(&dev->ohci_frame_timer, 1. / (12. * 1000. * 1000.));
return;
}
if (dev->ohci_mmio_w[OHCI_HcFmRemaining / 2]) dev->ohci_mmio_w[OHCI_HcFmRemaining / 2]--;
timer_on_auto(&dev->ohci_frame_timer, 1. / (12. * 1000. * 1000.));