ARM9からのメッセージでARM7でカードデータを読み出すときに、カードバスのロックができてるかどうかチェック

git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/branches/20080910_debug_dht_phase1@2478 b08762b0-b915-fc4b-9d8c-17b2551a87ff

build/libraries_sysmenu/hotsw/ARM7/include/hotswTypes.h

@@ -238,6 +238,7 @@ typedef enum HotSwState{
     HOTSW_MODE_ERROR,
     HOTSW_ILLEGAL_CARD_ERROR,
     HOTSW_GAMEMODE_ID_CHECK_ERROR,
+    HOTSW_BUS_LOCK_ERROR,
     HOTSW_UNEXPECTED_ERROR
 } HotSwState;
 

build/libraries_sysmenu/hotsw/ARM7/src/hotsw.c

@@ -928,6 +928,11 @@ static void ReadCardData(u32 src, u32 dest, u32 size)
 		state = HOTSW_GAMEMODE_ID_CHECK_ERROR;
     }
 
+	// [Debug]
+    if(!(reg_MI_EXMEMCNT_L & REG_MI_EXMEMCNT_L_MP_MASK)){
+		state = HOTSW_BUS_LOCK_ERROR;
+    }
+    
     while(size > 0 && state == HOTSW_SUCCESS){
         // --- Boot Segment
         if(src >= HOTSW_BOOTSEGMENT_AREA_OFS && src < HOTSW_KEYTABLE_AREA_OFS){
@@ -1026,6 +1031,10 @@ static void ReadCardData(u32 src, u32 dest, u32 size)
             retval = CARD_READ_ID_CHECK_ERROR;
             break;
 
+          case HOTSW_BUS_LOCK_ERROR:
+            retval = CARD_READ_BUS_LOCK_ERROR;
+            break;
+            
           default:
             retval = CARD_READ_UNEXPECTED_ERROR;
             break;

include/sysmenu/sysmenu_lib/common/sysmenu_work.h

@@ -44,6 +44,7 @@ typedef enum CardDataReadState {
     CARD_READ_MODE_ERROR,
     CARD_READ_BUSY,
     CARD_READ_ID_CHECK_ERROR,
+    CARD_READ_BUS_LOCK_ERROR,
     CARD_READ_UNEXPECTED_ERROR
 }
 CardDataReadState;