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-rw-r--r--hw/usb-ehci.c101
-rw-r--r--trace-events2
2 files changed, 66 insertions, 37 deletions
diff --git a/hw/usb-ehci.c b/hw/usb-ehci.c
index 7471a2f685..17786009f7 100644
--- a/hw/usb-ehci.c
+++ b/hw/usb-ehci.c
@@ -198,6 +198,7 @@ typedef struct EHCIitd {
#define ITD_BUFPTR_MAXPKT_MASK 0x000007ff
#define ITD_BUFPTR_MAXPKT_SH 0
#define ITD_BUFPTR_MULT_MASK 0x00000003
+#define ITD_BUFPTR_MULT_SH 0
} EHCIitd;
/* EHCI spec version 1.0 Section 3.4
@@ -628,7 +629,11 @@ static void ehci_trace_qtd(EHCIQueue *q, target_phys_addr_t addr, EHCIqtd *qtd)
static void ehci_trace_itd(EHCIState *s, target_phys_addr_t addr, EHCIitd *itd)
{
- trace_usb_ehci_itd(addr, itd->next);
+ trace_usb_ehci_itd(addr, itd->next,
+ get_field(itd->bufptr[1], ITD_BUFPTR_MAXPKT),
+ get_field(itd->bufptr[2], ITD_BUFPTR_MULT),
+ get_field(itd->bufptr[0], ITD_BUFPTR_EP),
+ get_field(itd->bufptr[0], ITD_BUFPTR_DEVADDR));
}
/* queue management */
@@ -1270,41 +1275,51 @@ static int ehci_process_itd(EHCIState *ehci,
USBPort *port;
USBDevice *dev;
int ret;
- int i, j;
- int ptr;
- int pid;
- int pg;
- int len;
- int dir;
- int devadr;
- int endp;
+ uint32_t i, j, len, len1, len2, pid, dir, devaddr, endp;
+ uint32_t pg, off, ptr1, ptr2, max, mult;
dir =(itd->bufptr[1] & ITD_BUFPTR_DIRECTION);
- devadr = get_field(itd->bufptr[0], ITD_BUFPTR_DEVADDR);
+ devaddr = get_field(itd->bufptr[0], ITD_BUFPTR_DEVADDR);
endp = get_field(itd->bufptr[0], ITD_BUFPTR_EP);
- /* maxpkt = get_field(itd->bufptr[1], ITD_BUFPTR_MAXPKT); */
+ max = get_field(itd->bufptr[1], ITD_BUFPTR_MAXPKT);
+ mult = get_field(itd->bufptr[2], ITD_BUFPTR_MULT);
for(i = 0; i < 8; i++) {
if (itd->transact[i] & ITD_XACT_ACTIVE) {
- DPRINTF("ISOCHRONOUS active for frame %d, interval %d\n",
- ehci->frindex >> 3, i);
-
- pg = get_field(itd->transact[i], ITD_XACT_PGSEL);
- ptr = (itd->bufptr[pg] & ITD_BUFPTR_MASK) |
- (itd->transact[i] & ITD_XACT_OFFSET_MASK);
- len = get_field(itd->transact[i], ITD_XACT_LENGTH);
+ pg = get_field(itd->transact[i], ITD_XACT_PGSEL);
+ off = itd->transact[i] & ITD_XACT_OFFSET_MASK;
+ ptr1 = (itd->bufptr[pg] & ITD_BUFPTR_MASK);
+ ptr2 = (itd->bufptr[pg+1] & ITD_BUFPTR_MASK);
+ len = get_field(itd->transact[i], ITD_XACT_LENGTH);
+
+ if (len > max * mult) {
+ len = max * mult;
+ }
if (len > BUFF_SIZE) {
return USB_RET_PROCERR;
}
- DPRINTF("ISOCH: buffer %08X len %d\n", ptr, len);
+ if (off + len > 4096) {
+ /* transfer crosses page border */
+ len2 = off + len - 4096;
+ len1 = len - len2;
+ } else {
+ len1 = len;
+ len2 = 0;
+ }
if (!dir) {
- cpu_physical_memory_rw(ptr, &ehci->ibuffer[0], len, 0);
pid = USB_TOKEN_OUT;
- } else
+ trace_usb_ehci_data(0, pg, off, ptr1 + off, len1, 0);
+ cpu_physical_memory_rw(ptr1 + off, &ehci->ibuffer[0], len1, 0);
+ if (len2) {
+ trace_usb_ehci_data(0, pg+1, 0, ptr2, len2, len1);
+ cpu_physical_memory_rw(ptr2, &ehci->ibuffer[len1], len2, 0);
+ }
+ } else {
pid = USB_TOKEN_IN;
+ }
ret = USB_RET_NODEV;
@@ -1315,18 +1330,15 @@ static int ehci_process_itd(EHCIState *ehci,
// TODO sometime we will also need to check if we are the port owner
if (!(ehci->portsc[j] &(PORTSC_CONNECT))) {
- DPRINTF("Port %d, no exec, not connected(%08X)\n",
- j, ehci->portsc[j]);
continue;
}
ehci->ipacket.pid = pid;
- ehci->ipacket.devaddr = devadr;
+ ehci->ipacket.devaddr = devaddr;
ehci->ipacket.devep = endp;
ehci->ipacket.data = ehci->ibuffer;
ehci->ipacket.len = len;
- DPRINTF("calling usb_handle_packet\n");
ret = usb_handle_packet(dev, &ehci->ipacket);
if (ret != USB_RET_NODEV) {
@@ -1334,6 +1346,7 @@ static int ehci_process_itd(EHCIState *ehci,
}
}
+#if 0
/* In isoch, there is no facility to indicate a NAK so let's
* instead just complete a zero-byte transaction. Setting
* DBERR seems too draconian.
@@ -1358,24 +1371,40 @@ static int ehci_process_itd(EHCIState *ehci,
DPRINTF("ISOCH: received ACK, clearing pause\n");
ehci->isoch_pause = -1;
}
+#else
+ if (ret == USB_RET_NAK) {
+ ret = 0;
+ }
+#endif
if (ret >= 0) {
- itd->transact[i] &= ~ITD_XACT_ACTIVE;
+ if (!dir) {
+ /* OUT */
+ set_field(&itd->transact[i], len - ret, ITD_XACT_LENGTH);
+ } else {
+ /* IN */
+ if (len1 > ret) {
+ len1 = ret;
+ }
+ if (len2 > ret - len1) {
+ len2 = ret - len1;
+ }
+ if (len1) {
+ trace_usb_ehci_data(1, pg, off, ptr1 + off, len1, 0);
+ cpu_physical_memory_rw(ptr1 + off, &ehci->ibuffer[0], len1, 1);
+ }
+ if (len2) {
+ trace_usb_ehci_data(1, pg+1, 0, ptr2, len2, len1);
+ cpu_physical_memory_rw(ptr2, &ehci->ibuffer[len1], len2, 1);
+ }
+ set_field(&itd->transact[i], ret, ITD_XACT_LENGTH);
+ }
if (itd->transact[i] & ITD_XACT_IOC) {
ehci_record_interrupt(ehci, USBSTS_INT);
}
}
-
- if (ret >= 0 && dir) {
- cpu_physical_memory_rw(ptr, &ehci->ibuffer[0], len, 1);
-
- if (ret != len) {
- DPRINTF("ISOCH IN expected %d, got %d\n",
- len, ret);
- set_field(&itd->transact[i], ret, ITD_XACT_LENGTH);
- }
- }
+ itd->transact[i] &= ~ITD_XACT_ACTIVE;
}
}
return 0;
diff --git a/trace-events b/trace-events
index 51e2e7cacf..dd69702138 100644
--- a/trace-events
+++ b/trace-events
@@ -203,7 +203,7 @@ disable usb_ehci_usbsts(const char *sts, int state) "usbsts %s %d"
disable usb_ehci_state(const char *schedule, const char *state) "%s schedule %s"
disable usb_ehci_qh(void *q, uint32_t addr, uint32_t next, uint32_t c_qtd, uint32_t n_qtd, uint32_t a_qtd, int rl, int mplen, int eps, int ep, int devaddr, int c, int h, int dtc, int i) "q %p - QH @ %08x: next %08x qtds %08x,%08x,%08x - rl %d, mplen %d, eps %d, ep %d, dev %d, c %d, h %d, dtc %d, i %d"
disable usb_ehci_qtd(void *q, uint32_t addr, uint32_t next, uint32_t altnext, int tbytes, int cpage, int cerr, int pid, int ioc, int active, int halt, int babble, int xacterr) "q %p - QTD @ %08x: next %08x altnext %08x - tbytes %d, cpage %d, cerr %d, pid %d, ioc %d, active %d, halt %d, babble %d, xacterr %d"
-disable usb_ehci_itd(uint32_t addr, uint32_t next) "ITD @ %08x: next %08x"
+disable usb_ehci_itd(uint32_t addr, uint32_t next, uint32_t mplen, uint32_t mult, uint32_t ep, uint32_t devaddr) "ITD @ %08x: next %08x - mplen %d, mult %d, ep %d, dev %d"
disable usb_ehci_port_attach(uint32_t port, const char *device) "attach port #%d - %s"
disable usb_ehci_port_detach(uint32_t port) "detach port #%d"
disable usb_ehci_port_reset(uint32_t port, int enable) "reset port #%d - %d"
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-09 03:42:34 +0000