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OHCI large packet fix. 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1939 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2006-05-25 23:37:07 +00:00
parent 159f366388
commit e6f3e5e016
1 changed files with 7 additions and 1 deletions
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8
hw/usb-ohci.c
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@ -419,6 +419,7 @@ static void ohci_copy_td(struct ohci_td *td, uint8_t *buf, int len, int write)
if (n == len)
return;
ptr = td->be & ~0xfffu;
buf += n;
cpu_physical_memory_rw(ptr, buf, len - n, write);
}
@ -474,7 +475,12 @@ static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed)
return 1;
}
if (td.cbp && td.be) {
len = (td.be - td.cbp) + 1;
if ((td.cbp & 0xfffff000) != (td.be & 0xfffff000)) {
len = (td.be & 0xfff) + 0x1001 - (td.cbp & 0xfff);
} else {
len = (td.be - td.cbp) + 1;
}
if (len && dir != OHCI_TD_DIR_IN) {
ohci_copy_td(&td, buf, len, 0);
}