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bcm: add cache invalidate before accessing prop buffer

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This commit is contained in:
cinap_lenrek 2019-05-13 19:21:14 +02:00
parent a3b5e3994f
commit adf96a529e
1 changed files with 2 additions and 1 deletions
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3
sys/src/9/bcm/vcore.c
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@ -147,7 +147,7 @@ vcreq(int tag, void *buf, int vallen, int rsplen)
prop->taglen = vallen;
if(vallen > 0)
memmove(prop->data, buf, vallen);
cachedwbinvse(prop, prop->len);
cachedwbinvse(prop, n);
for(;;){
aprop = busaddr? dmaaddr(prop) : (uintptr)prop;
vcwrite(ChanProps, aprop);
@ -158,6 +158,7 @@ vcreq(int tag, void *buf, int vallen, int rsplen)
return -1;
busaddr = 0;
}
cachedinvse(prop, n);
if(prop->req == RspOk &&
prop->tag == tag &&
(prop->taglen&TagResp)) {