[PATCH 4/5] cpu: Add helper functions to parse vendor and model for ARM
Add helper functions to parse vendor and model for ARM and use
them as callback when load maps.
Signed-of-by: Zhenyu Zheng <zhengzhenyulixi(a)gmail.com>
---
src/cpu/cpu_arm.c | 143 +++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 142 insertions(+), 1 deletion(-)
diff --git a/src/cpu/cpu_arm.c b/src/cpu/cpu_arm.c
index 2a05f43118..969025b5cf 100644
--- a/src/cpu/cpu_arm.c
+++ b/src/cpu/cpu_arm.c
@@ -181,6 +181,147 @@ virCPUarmMapFeatureFind(virCPUarmMapPtr map,
return NULL;
}
+static virCPUarmVendorPtr
+armVendorFindByID(virCPUarmMapPtr map,
+ unsigned long vendor_id)
+{
+ size_t i;
+
+ for (i = 0; i < map->nvendors; i++) {
+ if (map->vendors[i]->value == vendor_id)
+ return map->vendors[i];
+ }
+
+ return NULL;
+}
+
+
+static virCPUarmVendorPtr
+armVendorFindByName(virCPUarmMapPtr map,
+ const char *name)
+{
+ size_t i;
+
+ for (i = 0; i < map->nvendors; i++) {
+ if (STREQ(map->vendors[i]->name, name))
+ return map->vendors[i];
+ }
+
+ return NULL;
+}
+
+
+static int
+armVendorParse(xmlXPathContextPtr ctxt,
+ const char *name,
+ void *data)
+{
+ virCPUarmMapPtr map = (virCPUarmMapPtr)data;
+ virCPUarmVendorPtr vendor = NULL;
+ int ret = -1;
+
+ if (VIR_ALLOC(vendor) < 0)
+ return ret;
+
+ vendor->name = g_strdup(name);
+
+ if (armVendorFindByName(map, vendor->name)) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("CPU vendor %s already defined"), vendor->name);
+ goto cleanup;
+ }
+
+ if (virXPathULongHex("string(@value)", ctxt, &vendor->value) < 0)
{
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s", _("Missing CPU vendor value"));
+ goto cleanup;
+ }
+
+ if (armVendorFindByID(map, vendor->value)) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("CPU vendor value 0x%2lx already defined"),
vendor->value);
+ goto cleanup;
+ }
+
+ if (VIR_APPEND_ELEMENT(map->vendors, map->nvendors, vendor) < 0)
+ goto cleanup;
+
+ ret = 0;
+
+ cleanup:
+ armVendorFree(vendor);
+ return ret;
+
+}
+
+static virCPUarmModelPtr
+armModelFind(virCPUarmMapPtr map,
+ const char *name)
+{
+ size_t i;
+
+ for (i = 0; i < map->nmodels; i++) {
+ if (STREQ(map->models[i]->name, name))
+ return map->models[i];
+ }
+
+ return NULL;
+}
+
+static int
+armModelParse(xmlXPathContextPtr ctxt,
+ const char *name,
+ void *data)
+{
+ virCPUarmMapPtr map = (virCPUarmMapPtr)data;
+ virCPUarmModel *model;
+ xmlNodePtr *nodes = NULL;
+ char *vendor = NULL;
+ int ret = -1;
+
+ if (VIR_ALLOC(model) < 0)
+ goto error;
+
+ model->name = g_strdup(name);
+
+ if (armModelFind(map, model->name)) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("CPU model %s already defined"), model->name);
+ goto error;
+ }
+
+ if (virXPathBoolean("boolean(./vendor)", ctxt)) {
+ vendor = virXPathString("string(./vendor/@name)", ctxt);
+ if (!vendor) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Invalid vendor element in CPU model %s"),
+ model->name);
+ goto error;
+ }
+
+ if (!(model->vendor = armVendorFindByName(map, vendor))) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Unknown vendor %s referenced by CPU model %s"),
+ vendor, model->name);
+ goto error;
+ }
+ }
+
+ if (VIR_APPEND_ELEMENT(map->models, map->nmodels, model) < 0)
+ goto error;
+
+ ret = 0;
+
+ cleanup:
+ VIR_FREE(vendor);
+ VIR_FREE(nodes);
+ return ret;
+
+ error:
+ armModelFree(model);
+ goto cleanup;
+}
+
static int
virCPUarmMapFeatureParse(xmlXPathContextPtr ctxt G_GNUC_UNUSED,
const char *name,
@@ -210,7 +351,7 @@ virCPUarmLoadMap(void)
map = virCPUarmMapNew();
- if (cpuMapLoad("arm", NULL, virCPUarmMapFeatureParse, NULL, map) < 0)
+ if (cpuMapLoad("arm", armVendorParse, virCPUarmMapFeatureParse,
armModelParse, map) < 0)
return NULL;
return g_steal_pointer(&map);
--
2.26.0.windows.1