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usb: Infrastructure changes

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Make OHCI OwnershipChange work properly
This commit is contained in:
Cacodemon345
2023-05-10 17:09:13 +06:00
parent 8f7752e63c
commit d0845ccade
8 changed files with 76 additions and 30 deletions
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4
src/usb.c
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@@ -22,6 +22,7 @@
#include <string.h>
#include <stdbool.h>
#include <wchar.h>
#include <uchar.h>
#include <assert.h>
#define HAVE_STDARG_H
#include <86box/86box.h>
@@ -702,8 +703,9 @@ ohci_mmio_write(uint32_t addr, uint8_t val, void *p)
/* bit OwnershipChangeRequest triggers an ownership change (SMM <-> OS) */
if (val & 0x08) {
dev->ohci_mmio[OHCI_HcInterruptStatus].b[3] = 0x40;
if ((dev->ohci_mmio[OHCI_HcInterruptEnable].b[3] & 0xc0) == 0xc0)
if ((dev->ohci_mmio[OHCI_HcInterruptEnable].b[3] & 0x40) == 0x40) {
smi_raise();
}
}
/* bit HostControllerReset must be cleared for the controller to be seen as initialized */