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target-arm: Stage 2 permission fault was fixed in AArch32 state

Browse source 
As described in AArch32.CheckS2Permission an instruction fetch fails if
XN bit is set or there is no read permission for the address.

Backports commit dfda68377e20943f474505e75238cb96bc6874bf from qemu
This commit is contained in:
Sergey Sorokin 2018-02-23 19:55:02 -05:00 committed by Lioncash
parent 2f42c2c195
commit 00e751f18e
No known key found for this signature in database
GPG key ID: 4E3C3CC1031BA9C7
2 changed files with 71 additions and 1 deletions
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68
msvc/unicorn/qapi-visit.c
View file

@ -48,6 +48,10 @@ void visit_type_DummyForceArrays(Visitor *v, const char *name, DummyForceArrays
visit_check_struct(v, &err);
out_obj:
visit_end_struct(v);
if (err && visit_is_input(v)) {
qapi_free_DummyForceArrays(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -111,6 +115,10 @@ void visit_type_X86CPUFeatureWordInfo(Visitor *v, const char *name, X86CPUFeatur
visit_check_struct(v, &err);
out_obj:
visit_end_struct(v);
if (err && visit_is_input(v)) {
qapi_free_X86CPUFeatureWordInfo(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -137,6 +145,10 @@ void visit_type_X86CPUFeatureWordInfoList(Visitor *v, const char *name, X86CPUFe
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_X86CPUFeatureWordInfoList(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -170,6 +182,10 @@ void visit_type_anyList(Visitor *v, const char *name, anyList **obj, Error **err
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_anyList(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -196,6 +212,10 @@ void visit_type_boolList(Visitor *v, const char *name, boolList **obj, Error **e
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_boolList(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -222,6 +242,10 @@ void visit_type_int16List(Visitor *v, const char *name, int16List **obj, Error *
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_int16List(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -248,6 +272,10 @@ void visit_type_int32List(Visitor *v, const char *name, int32List **obj, Error *
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_int32List(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -274,6 +302,10 @@ void visit_type_int64List(Visitor *v, const char *name, int64List **obj, Error *
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_int64List(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -300,6 +332,10 @@ void visit_type_int8List(Visitor *v, const char *name, int8List **obj, Error **e
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_int8List(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -326,6 +362,10 @@ void visit_type_intList(Visitor *v, const char *name, intList **obj, Error **err
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_intList(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -352,6 +392,10 @@ void visit_type_numberList(Visitor *v, const char *name, numberList **obj, Error
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_numberList(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -378,6 +422,10 @@ void visit_type_sizeList(Visitor *v, const char *name, sizeList **obj, Error **e
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_sizeList(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -404,6 +452,10 @@ void visit_type_strList(Visitor *v, const char *name, strList **obj, Error **err
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_strList(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -430,6 +482,10 @@ void visit_type_uint16List(Visitor *v, const char *name, uint16List **obj, Error
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_uint16List(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -456,6 +512,10 @@ void visit_type_uint32List(Visitor *v, const char *name, uint32List **obj, Error
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_uint32List(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -482,6 +542,10 @@ void visit_type_uint64List(Visitor *v, const char *name, uint64List **obj, Error
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_uint64List(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}
@ -508,6 +572,10 @@ void visit_type_uint8List(Visitor *v, const char *name, uint8List **obj, Error *
error_propagate(errp, err);
err = NULL;
visit_end_list(v);
if (err && visit_is_input(v)) {
qapi_free_uint8List(*obj);
*obj = NULL;
}
out:
error_propagate(errp, err);
}

4
qemu/target-arm/helper.c
View file

@ -5963,7 +5963,9 @@ static int get_S2prot(CPUARMState *env, int s2ap, int xn)
prot |= PAGE_WRITE;
}
if (!xn) {
prot |= PAGE_EXEC;
if (arm_el_is_aa64(env, 2) || prot & PAGE_READ) {
prot |= PAGE_EXEC;
}
}
return prot;
}