CPU (Haiku): add support

CMakeLists.txt

@@ -1103,7 +1103,7 @@ elseif(Haiku)
         src/detection/brightness/brightness_nosupport.c
         src/detection/btrfs/btrfs_nosupport.c
         src/detection/chassis/chassis_nosupport.c
-        src/detection/cpu/cpu_nosupport.c
+        src/detection/cpu/cpu_haiku.c
         src/detection/cpucache/cpucache_nosupport.c
         src/detection/cpuusage/cpuusage_nosupport.c
         src/detection/cursor/cursor_nosupport.c

src/detection/cpu/cpu_haiku.c

@@ -0,0 +1,64 @@
+#include "cpu.h"
+#include "util/mallocHelper.h"
+
+#include <OS.h>
+#include <private/shared/cpu_type.h>
+
+const char* ffDetectCPUImpl(FF_MAYBE_UNUSED const FFCPUOptions* options, FFCPUResult* cpu)
+{
+    system_info sysInfo;
+    if (get_system_info(&sysInfo) != B_OK)
+        return "get_system_info() failed";
+
+    uint32_t topoNodeCount = 0;
+    get_cpu_topology_info(NULL, &topoNodeCount);
+    if (topoNodeCount == 0)
+        return "get_cpu_topology_info(NULL) failed";
+
+    FF_AUTO_FREE cpu_topology_node_info* topology = malloc(sizeof(*topology) * topoNodeCount);
+    if (get_cpu_topology_info(topology, &topoNodeCount) != B_OK)
+        return "get_cpu_topology_info(topology) failed";
+
+    enum cpu_platform platform = B_CPU_UNKNOWN;
+    enum cpu_vendor cpuVendor = B_CPU_VENDOR_UNKNOWN;
+    uint32 cpuModel = 0, frequency = 0;
+    uint16_t packages = 0, cores = 0;
+
+    for (uint32 i = 0; i < topoNodeCount; i++)
+    {
+        switch (topology[i].type) {
+            case B_TOPOLOGY_ROOT:
+                platform = topology[i].data.root.platform;
+                break;
+
+            case B_TOPOLOGY_PACKAGE:
+                cpuVendor = topology[i].data.package.vendor;
+                ++packages;
+                break;
+
+            case B_TOPOLOGY_CORE:
+                cpuModel = topology[i].data.core.model;
+                uint32_t freq = (uint32_t) (topology[i].data.core.default_frequency / 1000000);
+                frequency = freq > frequency ? freq : frequency;
+                ++cores;
+                break;
+
+            default:
+                break;
+        }
+    }
+
+    const char *model = get_cpu_model_string(platform, cpuVendor, cpuModel);
+    if (model)
+        ffStrbufSetS(&cpu->name, model);
+    else
+        ffStrbufSetF(&cpu->name, "(Unknown %" B_PRIx32 ")", cpuModel);
+    ffStrbufSetS(&cpu->vendor, get_cpu_vendor_string(cpuVendor));
+
+    ffCPUDetectSpeedByCpuid(cpu);
+    if (cpu->frequencyBase < frequency) cpu->frequencyBase = frequency;
+    cpu->packages = packages;
+    cpu->coresPhysical = cores;
+    cpu->coresOnline = cpu->coresLogical = (uint16_t) sysInfo.cpu_count;
+    return NULL;
+}