Imported dolphin/card

src/dolphin/card/CARDNet.c

@@ -0,0 +1,34 @@
+#include <dolphin/card.h>
+#include <dolphin/dsp.h>
+#include <dolphin/dvd.h>
+#include <dolphin/os.h>
+
+#include <dolphin/CARDPriv.h>
+
+u16 __CARDVendorID = 0xffff;
+
+s32 CARDGetSerialNo(s32 chan, u64 *serialNo)
+{
+    CARDControl *card;
+    CARDID *id;
+    int i;
+    u64 code;
+    s32 result;
+
+    if (!(0 <= chan && chan < 2)) {
+        return CARD_RESULT_FATAL_ERROR;
+    }
+
+    result = __CARDGetControlBlock(chan, &card);
+    if (result < 0) {
+        return result;
+    }
+
+    id = (CARDID *)card->workArea;
+    for (code = 0, i = 0; i < sizeof(id->serial) / sizeof(u64); ++i) {
+        code ^= *(u64 *)&id->serial[sizeof(u64) * i];
+    }
+    *serialNo = code;
+
+    return __CARDPutControlBlock(card, CARD_RESULT_READY);
+}