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aml: define amlintmask and set it according to DSDT revision (64bit / 32bit)

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This commit is contained in:
cinap_lenrek 2016-06-05 14:57:38 +02:00
parent 3ccc8224be
commit bc2a5d9b1e
4 changed files with 9 additions and 2 deletions
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1
sys/include/aml.h
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@ -36,6 +36,7 @@ void amldrop(void *);
void* amlroot;
int amldebug;
uvlong amlintmask;
#pragma varargck type "V" void*
#pragma varargck type "N" void*

1
sys/src/9/pc/archacpi.c
View file

@ -495,6 +495,7 @@ acpiinit(void)
for(i=0; i<ntblmap; i++){
t = tblmap[i];
if(memcmp(t->sig, "DSDT", 4) == 0){
amlintmask = (~0ULL) >> (t->rev <= 1)*32;
amlload(t->data, tbldlen(t));
break;
}

4
sys/src/cmd/scram.c
View file

@ -69,8 +69,10 @@ loadacpi(void)
t = realloc(t, sizeof(*t) + l);
if(readn(fd, t->data, l) != l)
return -1;
if(memcmp("DSDT", t->sig, 4) == 0)
if(memcmp("DSDT", t->sig, 4) == 0){
amlintmask = (~0ULL) >> (t->rev <= 1)*32;
amlload(t->data, l);
}
else if(memcmp("SSDT", t->sig, 4) == 0)
amlload(t->data, l);
else if(memcmp("FACP", t->sig, 4) == 0){

5
sys/src/libaml/aml.c
View file

@ -296,7 +296,7 @@ mki(uvlong i)
uvlong *v;
v = mk('i', sizeof(uvlong));
*v = i;
*v = i & amlintmask;
return v;
}
@ -2139,6 +2139,9 @@ amlinit(void)
fmtinstall('V', Vfmt);
fmtinstall('N', Nfmt);
if(!amlintmask)
amlintmask = ~0ULL;
n = mk('N', sizeof(Name));
n->up = n;