1#include "cpu.h"
 2#include "common/debug.h"
 3#include "common/mallocHelper.h"
 4
 5#include <OS.h>
 6#include <private/shared/cpu_type.h>
 7
 8const char* ffDetectCPUImpl([[maybe_unused]] const FFCPUOptions* options, FFCPUResult* cpu) {
 9    system_info sysInfo;
10    status_t status = get_system_info(&sysInfo);
11    if (status != B_OK) {
12        FF_DEBUG("get_system_info() failed: %d", (int) status);
13        return "get_system_info() failed";
14    }
15
16    uint32 topoNodeCount = 0;
17    get_cpu_topology_info(nullptr, &topoNodeCount);
18    if (topoNodeCount == 0) {
19        FF_DEBUG("get_cpu_topology_info(nullptr) failed");
20        return "get_cpu_topology_info(nullptr) failed";
21    }
22
23    FF_AUTO_FREE cpu_topology_node_info* topology = malloc(sizeof(*topology) * topoNodeCount);
24    status_t topoStatus = get_cpu_topology_info(topology, &topoNodeCount);
25    if (topoStatus != B_OK) {
26        FF_DEBUG("get_cpu_topology_info(topology) failed: %d", (int) topoStatus);
27        return "get_cpu_topology_info(topology) failed";
28    }
29
30    enum cpu_platform platform = B_CPU_UNKNOWN;
31    enum cpu_vendor cpuVendor = B_CPU_VENDOR_UNKNOWN;
32    uint32 cpuModel = 0, frequency = 0;
33    uint16_t packages = 0, cores = 0;
34
35    for (uint32 i = 0; i < topoNodeCount; i++) {
36        switch (topology[i].type) {
37            case B_TOPOLOGY_ROOT:
38                platform = topology[i].data.root.platform;
39                break;
40
41            case B_TOPOLOGY_PACKAGE:
42                cpuVendor = topology[i].data.package.vendor;
43                ++packages;
44                break;
45
46            case B_TOPOLOGY_CORE:
47                cpuModel = topology[i].data.core.model;
48                uint32_t freq = (uint32_t) (topology[i].data.core.default_frequency / 1000000);
49                frequency = freq > frequency ? freq : frequency;
50                ++cores;
51                break;
52
53            default:
54                break;
55        }
56    }
57
58    const char* model = get_cpu_model_string(platform, cpuVendor, cpuModel);
59    if (model) {
60        ffStrbufSetS(&cpu->name, model);
61    } else {
62        ffStrbufSetF(&cpu->name, "(Unknown %" B_PRIx32 ")", cpuModel);
63    }
64    ffStrbufSetS(&cpu->vendor, get_cpu_vendor_string(cpuVendor));
65
66    ffCPUDetectByCpuid(cpu);
67    if (cpu->frequencyBase < frequency) {
68        cpu->frequencyBase = frequency;
69    }
70    cpu->packages = packages;
71    cpu->coresPhysical = cores;
72    cpu->coresOnline = cpu->coresLogical = (uint16_t) sysInfo.cpu_count;
73    return nullptr;
74}