More iSG memcard stuff (#364)

include/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Include/string.h

@@ -9,6 +9,7 @@ extern "C" {
 
 void* memset(void*, int, size_t);
 void* memcpy(void*, const void*, size_t);
+int memcmp(const void* ptr1, const void* ptr2, size_t num);
 size_t strlen(const char*);
 char* strcpy(char* dest, const char* source);
 char* strncpy(char* dest, const char* source, size_t n);

include/dolphin/dolphin.h

@@ -167,26 +167,25 @@ typedef struct OSContext
     f64 psf[32];
 } OSContext;
 
-
 #define PAD_MAX_CONTROLLERS 4
 
-#define PAD_BUTTON_LEFT  0x0001
+#define PAD_BUTTON_LEFT 0x0001
 #define PAD_BUTTON_RIGHT 0x0002
-#define PAD_BUTTON_DOWN  0x0004
-#define PAD_BUTTON_UP    0x0008
-#define PAD_TRIGGER_Z    0x0010
-#define PAD_TRIGGER_R    0x0020
-#define PAD_TRIGGER_L    0x0040
-#define PAD_BUTTON_A     0x0100
-#define PAD_BUTTON_B     0x0200
-#define PAD_BUTTON_X     0x0400
-#define PAD_BUTTON_Y     0x0800
+#define PAD_BUTTON_DOWN 0x0004
+#define PAD_BUTTON_UP 0x0008
+#define PAD_TRIGGER_Z 0x0010
+#define PAD_TRIGGER_R 0x0020
+#define PAD_TRIGGER_L 0x0040
+#define PAD_BUTTON_A 0x0100
+#define PAD_BUTTON_B 0x0200
+#define PAD_BUTTON_X 0x0400
+#define PAD_BUTTON_Y 0x0800
 #define PAD_BUTTON_START 0x1000
 
-#define PAD_ERR_NONE           0
+#define PAD_ERR_NONE 0
 #define PAD_ERR_NO_CONTROLLER -1
-#define PAD_ERR_NOT_READY     -2
-#define PAD_ERR_TRANSFER      -3
+#define PAD_ERR_NOT_READY -2
+#define PAD_ERR_TRANSFER -3
 
 typedef struct PADStatus
 {
@@ -238,6 +237,19 @@ void AXFreeVoice(_AXVPB*);
 void OSSetSoundMode(u32 mode);
 void VIWaitForRetrace();
 
+#define CARD_FILENAME_MAX 32
+#define CARD_MAX_FILE 127
+#define CARD_ICON_MAX 8
+
+typedef struct CARDFileInfo
+{
+    /*0x00*/ s32 chan;
+    /*0x04*/ s32 fileNo;
+    /*0x08*/ s32 offset;
+    /*0x0C*/ s32 length;
+    /*0x10*/ u16 iBlock;
+} CARDFileInfo;
+
 #define CARD_RESULT_UNLOCKED 1
 #define CARD_RESULT_READY 0
 #define CARD_RESULT_BUSY -1
@@ -256,9 +268,37 @@ void VIWaitForRetrace();
 #define CARD_RESULT_CANCELED -14
 #define CARD_RESULT_FATAL_ERROR -128
 
+// CARDBios.h
 void CARDInit(void);
-s32 CARDUnmount(s32 chan);
+s32 CARDFreeBlocks(s32 chan, s32* byteNotUsed, s32* filesNotUsed);
+s32 CARDGetEncoding(s32 chan, u16* encode);
+s32 CARDGetSectorSize(s32 chan, u32* size);
+// CARDMount.h
 s32 CARDProbeEx(s32 chan, s32* memSize, s32* sectorSize);
+s32 CARDUnmount(s32 chan);
+// CARDCheck.h
+s32 CARDCheckEx(s32 chan, s32* xferBytes);
+// CARDStat.h
+typedef struct CARDStat
+{
+    /*0x00*/ char fileName[CARD_FILENAME_MAX];
+    /*0x20*/ u32 length;
+    /*0x24*/ u32 time;
+    /*0x28*/ u8 gameName[4];
+    /*0x2C*/ u8 company[2];
+    /*0x2E*/ u8 bannerFormat;
+    /*0x30*/ u32 iconAddr;
+    /*0x34*/ u16 iconFormat;
+    /*0x36*/ u16 iconSpeed;
+    /*0x38*/ u32 commentAddr;
+    /*0x3C*/ u32 offsetBanner;
+    /*0x40*/ u32 offsetBannerTlut;
+    /*0x44*/ u32 offsetIcon[CARD_ICON_MAX];
+    /*0x64*/ u32 offsetIconTlut;
+    /*0x68*/ u32 offsetData;
+} CARDStat;
+// CARDRead.h
+s32 CARDRead(struct CARDFileInfo* fileInfo, void* buf, s32 length, s32 offset);
 
 #ifdef __cplusplus
 }

src/SB/Core/gc/isavegame.cpp

@@ -1,6 +1,9 @@
 #include "isavegame.h"
 
+#include "xMemMgr.h"
+
 #include "iFile.h"
+#include "iSystem.h"
 #include "iTRC.h"
 
 #include <dolphin.h>
@@ -197,6 +200,449 @@ static S32 iSG_mc_exists(S32 slot)
     return ret;
 }
 
+static S32 iSG_mc_tryRepair(st_ISG_MEMCARD_DATA* mcdata)
+{
+    S32 result = 0;
+    S32 rc = 0;
+    s32 xferBytes = 0;
+
+    if (mcdata->unk_0 == 0)
+    {
+        rc = 0;
+    }
+
+    else if (mcdata->unk_12c)
+    {
+        rc = 0;
+    }
+    else
+    {
+        do
+        {
+            result = CARDCheckEx(mcdata->unk_4, &xferBytes);
+        } while (result == CARD_RESULT_BUSY);
+
+        if (result == CARD_RESULT_READY)
+        {
+            rc = 1;
+        }
+        else if (result == CARD_RESULT_ENCODING)
+        {
+            rc = 1;
+        }
+        else
+        {
+            if (result != CARD_RESULT_BROKEN)
+            {
+                mcdata->unk_12c = 1;
+            }
+            rc = 0;
+        }
+    }
+    return rc;
+}
+
+static S32 iSG_mc_isformatted(st_ISG_MEMCARD_DATA* mcdata)
+{
+    S32 result = 0;
+    S32 rc = 0;
+    s32 xferBytes = 0;
+
+    if (mcdata->unk_0 == 0)
+    {
+        rc = 0;
+    }
+    else if (mcdata->unk_12c)
+    {
+        rc = 0;
+    }
+    else
+    {
+        do
+        {
+            result = CARDCheckEx(mcdata->unk_4, &xferBytes);
+        } while (result == CARD_RESULT_BUSY);
+
+        if (result == CARD_RESULT_READY)
+        {
+            rc = 1;
+        }
+        else if (result == CARD_RESULT_BROKEN)
+        {
+            rc = 0;
+        }
+        else
+        {
+            rc = 0;
+        }
+    }
+
+    return rc;
+}
+
+static S32 iSG_mc_isGCcard(st_ISG_MEMCARD_DATA* mcdata, int* param2, int* param3)
+{
+    S32 result = 0;
+    S32 rc = 0;
+
+    s32 xferBytes = 0;
+    u16 encoding = 0;
+    s32 memSize = 0;
+    s32 sectorSize = 0;
+
+    if (param2)
+    {
+        *param2 = 0;
+    }
+
+    if (param3)
+    {
+        *param3 = 0;
+    }
+
+    if (mcdata->unk_0 == 0)
+    {
+        return 0;
+    }
+    if (mcdata->unk_12c)
+    {
+        return 0;
+    }
+
+    do
+    {
+        result = CARDProbeEx(mcdata->unk_4, &memSize, &sectorSize);
+    } while (result == CARD_RESULT_BUSY);
+
+    if (result == CARD_RESULT_READY)
+    {
+        rc = 1;
+    }
+
+    if (rc != 0)
+    {
+        do
+        {
+            result = CARDCheckEx(mcdata->unk_4, &xferBytes);
+        } while (result == CARD_RESULT_BUSY);
+
+        if (result == CARD_RESULT_READY)
+        {
+            rc = 1;
+        }
+        else if (result == CARD_RESULT_BROKEN)
+        {
+            rc = 2;
+        }
+        else
+        {
+            if (result == CARD_RESULT_ENCODING)
+            {
+                rc = 3;
+                if (param2)
+                {
+                    *param2 = 1;
+                }
+            }
+            else
+            {
+                rc = 0;
+                if (result == CARD_RESULT_ENCODING && param2)
+                {
+                    *param2 = 1;
+                }
+                if (result == CARD_RESULT_IOERROR && param3)
+                {
+                    *param3 = 1;
+                }
+            }
+        }
+    }
+
+    if (rc == 1)
+    {
+        do
+        {
+            result = CARDGetEncoding(mcdata->unk_4, &encoding);
+        } while (result == CARD_RESULT_BUSY);
+
+        if (result == CARD_RESULT_READY && encoding && param2)
+        {
+            *param2 = 1;
+        }
+    }
+
+    return rc;
+}
+
+static S32 iSG_cubeicon_size(S32 param1, S32 param2);
+static S32 iSG_get_finfo(st_ISG_MEMCARD_DATA*, const char*);
+// PS2 signature:
+// static signed int iSG_isSpaceForFile(class st_ISG_MEMCARD_DATA* mcdata, S32 mcidx, S32 fsize,
+//                                      char* dpath, char* fname, S32* bytesNeeded, S32* availOnDisk)
+static S32 iSG_isSpaceForFile(st_ISG_MEMCARD_DATA* mcdata, S32 param2, const char* param3,
+                              S32* param4, S32* param5, S32* param6)
+{
+    S32 rc = 0;
+    S32 result = 0;
+    s32 byteNotUsed = 0;
+    s32 filesNotUsed = 0;
+    S32 len;
+
+    if (mcdata->unk_0 == 0)
+    {
+        return 0;
+    }
+    len = iSG_cubeicon_size(mcdata->unk_4, mcdata->sectorSize);
+    len = len + param2;
+    // FIXME: fakematch: x + (n-1) & -x is the same as Round x up to next n
+    len = -mcdata->sectorSize & len + mcdata->sectorSize - 1;
+
+    do
+    {
+        result = CARDFreeBlocks(mcdata->unk_4, &byteNotUsed, &filesNotUsed);
+    } while (result == CARD_RESULT_BUSY);
+
+    if (result == CARD_RESULT_READY)
+    {
+        if (param5)
+        {
+            *param5 = byteNotUsed / mcdata->sectorSize;
+        }
+        if (param4)
+        {
+            *param4 = len / mcdata->sectorSize;
+        }
+    }
+    else
+    {
+        return 0;
+    }
+
+    if (param6)
+    {
+        *param6 = 1;
+    }
+
+    if (iSG_get_finfo(mcdata, param3))
+    {
+        if (param6)
+        {
+            *param6 = *param6 - 1 & ~(*param6 - 1 >> 0x1f); // FIXME: Fakematch
+        }
+        if (len <= mcdata->unk_b0.length + byteNotUsed)
+        {
+            rc = 1;
+        }
+    }
+    else
+    {
+        if (len <= byteNotUsed && filesNotUsed > 0)
+        {
+            rc = 1;
+        }
+    }
+
+    return rc;
+}
+
+static S32 iSG_mc_mount(S32 slot);
+static bool iSG_mc_settgt(st_ISG_MEMCARD_DATA* mcdata, S32 slot)
+{
+    if (iSG_mc_mount(slot))
+    {
+        mcdata->unk_0 = 1;
+        mcdata->unk_4 = slot;
+
+        iSG_mc_tryRepair(mcdata);
+        CARDGetSectorSize(slot, (u32*)&mcdata->sectorSize);
+    }
+    else
+    {
+        mcdata->unk_0 = 0;
+    }
+
+    return mcdata->unk_0 != 0;
+}
+
+static S32 iSG_mc_fopen(st_ISG_MEMCARD_DATA*, const char*, int, en_ISG_IOMODE, en_ASYNC_OPERR*);
+static void iSG_mc_fclose(st_ISG_MEMCARD_DATA*);
+static S32 iSG_get_finfo(st_ISG_MEMCARD_DATA* mcdata, const char* param2)
+{
+    S32 rc = 0;
+    en_ASYNC_OPERR operr = ISG_OPERR_NONE;
+
+    if (iSG_mc_fopen(mcdata, param2, -1, ISG_IOMODE_READ, &operr))
+    {
+        rc = 1;
+        memcpy(&mcdata->unk_b0, &mcdata->unk_20, sizeof(CARDStat));
+        memcpy(&mcdata->unk_9c, &mcdata->unk_c, sizeof(CARDFileInfo));
+        iSG_mc_fclose(mcdata);
+    }
+
+    return rc;
+}
+
+static S32 iSG_curKosher(CARDStat* stat, CARDFileInfo* info)
+{
+    S32 rc = 1;
+
+    if ((stat->iconAddr < 1 || stat->iconAddr > 0x7fffffff) &&
+        (stat->commentAddr < 1 || stat->commentAddr > 0x7fffffff))
+    {
+        rc = 0;
+    }
+    else
+    {
+        char stuff[0x200] = { 0 };
+        sprintf(stuff, "SPONGEBOB:WHENROBOTSATTACK::RyanNeilDan");
+        void* alloc = xMemPushTemp(0x5e00 + 0x1f);
+        // align buf address to 32 bytes
+        char* buf = (char*)((U32)alloc + 0x1f & ~0x1f);
+
+        S32 result;
+        do
+        {
+            result = CARDRead(info, buf, 0x5e00, 0);
+        } while (result == CARD_RESULT_BUSY);
+
+        if (result == CARD_RESULT_READY)
+        {
+            if (memcmp(buf + 0x5a40, stuff, strlen(stuff) - 1))
+            {
+                rc = 0;
+            }
+
+            if (memcmp(buf, "Battle for Bikini Bottom", strlen("Battle for Bikini Bottom") - 1))
+            {
+                rc = 0;
+            }
+        }
+
+        xMemPopTemp(alloc);
+    }
+
+    return rc;
+}
+static S32 iSG_mc_fdel(st_ISG_MEMCARD_DATA*, const char*);
+static S32 iSG_fileKosher(st_ISG_MEMCARD_DATA* mcdata, const char* param2, int param3, int* param4)
+{
+    S32 rc = 0;
+    en_ASYNC_OPERR operr = ISG_OPERR_NONE;
+
+    if (param4)
+    {
+        *param4 = 0;
+    }
+
+    if (iSG_mc_fopen(mcdata, param2, -1, ISG_IOMODE_READ, &operr) == 0)
+    {
+        return -1;
+    }
+
+    S32 ret = iSG_curKosher(&mcdata->unk_20, &mcdata->unk_c);
+    iSG_mc_fclose(mcdata);
+
+    if (ret == 0)
+    {
+        rc = 0;
+        if (param3 && iSG_mc_fdel(mcdata, param2) && param4)
+        {
+            *param4 = 1;
+        }
+    }
+    else
+    {
+        rc = 1;
+    }
+    return rc;
+}
+
+static S32 iSG_get_fsize(st_ISG_MEMCARD_DATA* mcdata, const char* param2)
+{
+    S32 rc = -1;
+
+    if (iSG_get_finfo(mcdata, param2))
+    {
+        rc = mcdata->unk_b0.length;
+    }
+
+    if (rc < 0)
+    {
+        rc = -1;
+    }
+
+    return rc;
+}
+
+static S32 iSG_get_fmoddate(st_ISG_MEMCARD_DATA* mcdata, const char* fname, int* sec, int* min,
+                            int* hr, int* mon, int* day, int* yr)
+{
+    S32 rc = 1;
+    OSCalendarTime time = { 0 };
+
+    if (iSG_get_finfo(mcdata, fname) == 0)
+    {
+        rc = 0;
+    }
+    else
+    {
+        // FIXME: This first param isn't right, can't decipher the 64 bit math
+        OSTicksToCalendarTime((u64)mcdata->unk_b0.time * (u64)(GET_BUS_FREQUENCY() / 4), &time);
+
+        if (sec)
+        {
+            *sec = time.sec;
+        }
+        if (min)
+        {
+            *min = time.min;
+        }
+        if (hr)
+        {
+            *hr = time.hour;
+        }
+        if (mon)
+        {
+            *mon = time.mon + 1;
+        }
+        if (day)
+        {
+            *day = time.mday;
+        }
+        if (mon)
+        {
+            *mon = time.mon + 1;
+        }
+        if (day)
+        {
+            *day = time.mday;
+        }
+        if (yr)
+        {
+            *yr = time.year;
+        }
+    }
+
+    return rc;
+}
+
+static void iSG_timestamp(CARDStat*)
+{
+}
+
+static S32 iSG_cubeicon_size(S32 slot, S32 param2)
+{
+    if ((U32)slot > 1)
+    {
+        return -1;
+    }
+
+    // FIXME: fakematch: x + (n-1) & -x is the same as Round x up to next n
+    S32 t = (param2 + 0x1ffU) & -param2;
+    return -t & (t + 0x5c3f);
+}
+
 static S32 iSG_chk_icondata()
 {
     return 1;
@@ -225,25 +671,24 @@ static void iSG_discard_icondata()
 
 static S32 iSG_mc_unmount(S32 slot)
 {
-    S32 ret = 0;
-    s32 chan = slot;
+    S32 rc = 0;
     S32 result;
 
     do
     {
-        result = CARDUnmount(chan);
+        result = CARDUnmount(slot);
     } while (result == CARD_RESULT_BUSY);
 
     if (result == CARD_RESULT_READY)
     {
-        ret = 1;
+        rc = 1;
     }
     else if (result == CARD_RESULT_NOCARD)
     {
-        ret = 1;
+        rc = 1;
     }
 
-    return ret;
+    return rc;
 }
 
 static void iSG_cb_asyndone(long, long)

src/SB/Core/gc/isavegame.h

@@ -3,28 +3,7 @@
 
 #include <types.h>
 
-struct sceMcStDateTime
-{
-    U8 Resv2;
-    U8 Sec;
-    U8 Min;
-    U8 Hour;
-    U8 Day;
-    U8 Month;
-    U16 Year;
-};
-
-struct sceMcTblGetDir
-{
-    sceMcStDateTime _Create;
-    sceMcStDateTime _Modify;
-    U32 FileSizeByte;
-    U16 AttrFile;
-    U16 Reserve1;
-    U32 Reserve2;
-    U32 PdaAplNo;
-    U8 EntryName[32];
-};
+#include <dolphin.h>
 
 enum en_ISG_IOMODE
 {
@@ -131,7 +110,15 @@ public:
 struct st_ISG_MEMCARD_DATA
 {
     S32 unk_0;
-    S32 unk_pad[75];
+    S32 unk_4;
+    S32 sectorSize;
+    CARDFileInfo unk_c;
+    CARDStat unk_20;
+    S32 unk_pad5[4];
+    CARDFileInfo unk_9c;
+    CARDStat unk_b0;
+    S32 unk_pad6[4];
+    S32 unk_12c;
 };
 
 #define ISG_NUM_SLOTS 2