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s390x updates:

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- fixup for a s390x-only query-cpu-model-expansion extension
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Merge tag 's390x-20240730' of https://github.com/davidhildenbrand/qemu into staging

s390x updates:
- fixup for a s390x-only query-cpu-model-expansion extension

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* tag 's390x-20240730' of https://github.com/davidhildenbrand/qemu:
  target/s390x: move @deprecated-props to CpuModelExpansion Info

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-07-30 19:21:58 +10:00
commit ef009e4b4d
2 changed files with 29 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
qapi/machine-target.json
View File

@ -20,17 +20,11 @@
#
# @props: a dictionary of QOM properties to be applied
#
# @deprecated-props: a list of properties that are flagged as deprecated
# by the CPU vendor. These properties are either a subset of the
# properties enabled on the CPU model, or a set of properties
# deprecated across all models for the architecture.
#
# Since: 2.8
##
{ 'struct': 'CpuModelInfo',
'data': { 'name': 'str',
'*props': 'any',
'*deprecated-props': ['str'] } }
'*props': 'any' } }
##
# @CpuModelExpansionType:
@ -248,10 +242,19 @@
#
# @model: the expanded CpuModelInfo.
#
# @deprecated-props: a list of properties that are flagged as deprecated
# by the CPU vendor. The list depends on the CpuModelExpansionType:
# "static" properties are a subset of the enabled-properties for
# the expanded model; "full" properties are a set of properties
# that are deprecated across all models for the architecture.
# (since: 9.1).
#
# Since: 2.8
##
{ 'struct': 'CpuModelExpansionInfo',
'data': { 'model': 'CpuModelInfo' },
'data': { 'model': 'CpuModelInfo',
'deprecated-props' : { 'type': ['str'],
'if': 'TARGET_S390X' } },
'if': { 'any': [ 'TARGET_S390X',
'TARGET_I386',
'TARGET_ARM',

29
target/s390x/cpu_models_sysemu.c
View File

@ -174,15 +174,11 @@ static void cpu_info_from_model(CpuModelInfo *info, const S390CPUModel *model,
bool delta_changes)
{
QDict *qdict = qdict_new();
S390FeatBitmap bitmap, deprecated;
S390FeatBitmap bitmap;
/* always fallback to the static base model */
info->name = g_strdup_printf("%s-base", model->def->name);
/* features flagged as deprecated */
bitmap_zero(deprecated, S390_FEAT_MAX);
s390_get_deprecated_features(deprecated);
if (delta_changes) {
/* features deleted from the base feature set */
bitmap_andnot(bitmap, model->def->base_feat, model->features,
@ -197,9 +193,6 @@ static void cpu_info_from_model(CpuModelInfo *info, const S390CPUModel *model,
if (!bitmap_empty(bitmap, S390_FEAT_MAX)) {
s390_feat_bitmap_to_ascii(bitmap, qdict, qdict_add_enabled_feat);
}
/* deprecated features that are a subset of the model's enabled features */
bitmap_and(deprecated, deprecated, model->features, S390_FEAT_MAX);
} else {
/* expand all features */
s390_feat_bitmap_to_ascii(model->features, qdict,
@ -213,9 +206,6 @@ static void cpu_info_from_model(CpuModelInfo *info, const S390CPUModel *model,
} else {
info->props = QOBJECT(qdict);
}
s390_feat_bitmap_to_ascii(deprecated, &info->deprecated_props, list_add_feat);
info->has_deprecated_props = !!info->deprecated_props;
}
CpuModelExpansionInfo *qmp_query_cpu_model_expansion(CpuModelExpansionType type,
@ -226,6 +216,7 @@ CpuModelExpansionInfo *qmp_query_cpu_model_expansion(CpuModelExpansionType type,
CpuModelExpansionInfo *expansion_info = NULL;
S390CPUModel s390_model;
bool delta_changes = false;
S390FeatBitmap deprecated_feats;
/* convert it to our internal representation */
cpu_model_from_info(&s390_model, model, "model", &err);
@ -245,6 +236,22 @@ CpuModelExpansionInfo *qmp_query_cpu_model_expansion(CpuModelExpansionType type,
expansion_info = g_new0(CpuModelExpansionInfo, 1);
expansion_info->model = g_malloc0(sizeof(*expansion_info->model));
cpu_info_from_model(expansion_info->model, &s390_model, delta_changes);
/* populate list of deprecated features */
bitmap_zero(deprecated_feats, S390_FEAT_MAX);
s390_get_deprecated_features(deprecated_feats);
if (delta_changes) {
/*
* Only populate deprecated features that are a
* subset of the features enabled on the CPU model.
*/
bitmap_and(deprecated_feats, deprecated_feats,
s390_model.features, S390_FEAT_MAX);
}
s390_feat_bitmap_to_ascii(deprecated_feats,
&expansion_info->deprecated_props, list_add_feat);
return expansion_info;
}