Added DMI reader (Windows only).

src/hw/dmi/DmiReader.cpp

@@ -0,0 +1,87 @@
+/* XMRig
+ * Copyright (c) 2000-2002 Alan Cox     <alan@redhat.com>
+ * Copyright (c) 2005-2020 Jean Delvare <jdelvare@suse.de>
+ * Copyright (c) 2018-2021 SChernykh    <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig        <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "hw/dmi/DmiReader.h"
+#include "hw/dmi/DmiTools.h"
+
+
+namespace xmrig {
+
+
+static void dmi_get_header(dmi_header *h, uint8_t *data)
+{
+    h->type   = data[0];
+    h->length = data[1];
+    h->handle = dmi_get<uint16_t>(data + 2);
+    h->data   = data;
+}
+
+
+} // namespace xmrig
+
+
+bool xmrig::DmiReader::decode(uint8_t *buf)
+{
+    if (!buf || !m_count) {
+        return false;
+    }
+
+    uint8_t *data = buf;
+    int i         = 0;
+
+    while ((i < m_count || !m_count) && data + 4 <= buf + m_size) {
+        dmi_header h{};
+        dmi_get_header(&h, data);
+
+        if (h.length < 4 || h.type == 127) {
+            break;
+        }
+        i++;
+
+        uint8_t *next = data + h.length;
+        while (static_cast<uint32_t>(next - buf + 1) < m_size && (next[0] != 0 || next[1] != 0)) {
+            next++;
+        }
+        next += 2;
+
+        if (static_cast<uint32_t>(next - buf) > m_size) {
+            data = next;
+            break;
+        }
+
+        switch (h.type) {
+        case 2:
+            m_board.decode(&h);
+            break;
+
+        case 17:
+            m_memory.emplace_back(&h);
+            break;
+
+        default:
+            break;
+        }
+
+        data = next;
+    }
+
+    return true;
+}