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GENVMC: removed ioman_add.h, moved custom imports to imports.lst, use…
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… PS2SDK's libmc and libcdvd definitions, fixed returned time for mc_getmcrtime() when the clock battery is flat, fixed vmc_mcformat() not using BLOCKKB to determine the buffer length.
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@sp193
sp193 committed Feb 17, 2019
1 parent ea01c62 commit 4f6bd43
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Showing 4 changed files with 58 additions and 171 deletions.
168 changes: 46 additions & 122 deletions modules/vmc/genvmc/genvmc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -6,12 +6,12 @@
Review Open PS2 Loader README & LICENSE files for further details.
*/

#include <cdvdman.h>
#include <stdio.h>
#include <loadcore.h>
#include <ioman.h>
#include "ioman_add.h"
#include <io_common.h>
#include <iomanX.h>
#include <intrman.h>
#include <mcman.h>
#include <thsemap.h>
#include <sysclib.h>
#include <sysmem.h>
Expand All @@ -32,15 +32,15 @@
IRX_ID(MODNAME, 1, 1);

// driver ops protypes
int genvmc_dummy(void);
int genvmc_init(iop_device_t *dev);
int genvmc_deinit(iop_device_t *dev);
int genvmc_devctl(iop_file_t *f, const char *name, int cmd, void *args, u32 arglen, void *buf, u32 buflen);
static int genvmc_dummy(void);
static int genvmc_init(iop_device_t *dev);
static int genvmc_deinit(iop_device_t *dev);
static int genvmc_devctl(iop_file_t *f, const char *name, int cmd, void *args, unsigned int arglen, void *buf, unsigned int buflen);

// driver ops func tab
void *genvmc_ops[27] = {
(void *)genvmc_init,
(void *)genvmc_deinit,
static iop_device_ops_t genvmc_ops = {
&genvmc_init,
&genvmc_deinit,
(void *)genvmc_dummy,
(void *)genvmc_dummy,
(void *)genvmc_dummy,
Expand All @@ -62,64 +62,26 @@ void *genvmc_ops[27] = {
(void *)genvmc_dummy,
(void *)genvmc_dummy,
(void *)genvmc_dummy,
(void *)genvmc_devctl,
&genvmc_devctl,
(void *)genvmc_dummy,
(void *)genvmc_dummy,
(void *)genvmc_dummy};

// driver descriptor
static iop_ext_device_t genvmc_dev = {
static iop_device_t genvmc_dev = {
"genvmc",
IOP_DT_FS | IOP_DT_FSEXT,
1,
"genvmc",
(struct _iop_ext_device_ops *)&genvmc_ops};
&genvmc_ops};

// from cdvdman
typedef struct
{
u8 stat;
u8 second;
u8 minute;
u8 hour;
u8 week;
u8 day;
u8 month;
u8 year;
} cd_clock_t;

int sceCdRC(cd_clock_t *rtc); // #51

int sceMcDetectCard(int port, int slot); // #05
int sceMcReadPage(int port, int slot, int page, char *mcbuffer); // #18
int sceMcGetCardType(int port, int slot); // #39


// mc file attributes
#define SCE_STM_R 0x01
#define SCE_STM_W 0x02
#define SCE_STM_X 0x04
#define SCE_STM_C 0x08
#define SCE_STM_F 0x10
#define SCE_STM_D 0x20
#define sceMcFileAttrReadable SCE_STM_R
#define sceMcFileAttrWriteable SCE_STM_W
#define sceMcFileAttrExecutable SCE_STM_X
#define sceMcFileAttrDupProhibit SCE_STM_C
#define sceMcFileAttrFile SCE_STM_F
#define sceMcFileAttrSubdir SCE_STM_D
#define sceMcFileCreateDir 0x0040
#define sceMcFileAttrClosed 0x0080
#define sceMcFileCreateFile 0x0200
#define sceMcFile0400 0x0400
#define sceMcFileAttrPDAExec 0x0800
#define sceMcFileAttrPS1 0x1000
#define sceMcFileAttrHidden 0x2000
#define sceMcFileAttrExists 0x8000
#define sceMcDetectCard McDetectCard
#define sceMcReadPage McReadPage
#define sceMcGetCardType McGetMcType

// SONY superblock magic & version
static char SUPERBLOCK_MAGIC[] = "Sony PS2 Memory Card Format ";
static char SUPERBLOCK_VERSION[] = "1.2.0.0";
static const char SUPERBLOCK_MAGIC[] = "Sony PS2 Memory Card Format ";
static const char SUPERBLOCK_VERSION[] = "1.2.0.0";

// superblock struct
typedef struct
Expand Down Expand Up @@ -155,32 +117,6 @@ typedef struct
int unknown5;
} MCDevInfo;

typedef struct _sceMcStDateTime
{
u8 Resv2;
u8 Sec;
u8 Min;
u8 Hour;
u8 Day;
u8 Month;
u16 Year;
} sceMcStDateTime;

typedef struct
{ // size = 512
u16 mode; // 0
u16 unused; // 2
u32 length; // 4
sceMcStDateTime created; // 8
u32 cluster; // 16
u32 dir_entry; // 20
sceMcStDateTime modified; // 24
u32 attr; // 32
u32 unused2[7]; // 36
char name[32]; // 64
u8 unused3[416]; // 96
} McFsEntry;

#define BLOCKKB 16

static MCDevInfo devinfo __attribute__((aligned(64)));
Expand Down Expand Up @@ -220,7 +156,7 @@ static void long_multiply(u32 v1, u32 v2, u32 *HI, u32 *LO)
static int mc_getmcrtime(sceMcStDateTime *time)
{
register int retries;
cd_clock_t cdtime;
sceCdCLOCK cdtime;

retries = 64;

Expand All @@ -229,28 +165,28 @@ static int mc_getmcrtime(sceMcStDateTime *time)
break;
} while (--retries > 0);

if (cdtime.stat & 128) {
*((u16 *)&cdtime.month) = 0x7d0;
cdtime.day = 3;
cdtime.week = 4;
cdtime.hour = 0;
cdtime.minute = 0;
cdtime.second = 0;
cdtime.stat = 0;
}

time->Resv2 = 0;
time->Sec = ((((cdtime.second >> 4) << 2) + (cdtime.second >> 4)) << 1) + (cdtime.second & 0xf);
time->Min = ((((cdtime.minute >> 4) << 2) + (cdtime.minute >> 4)) << 1) + (cdtime.minute & 0xf);
time->Hour = ((((cdtime.hour >> 4) << 2) + (cdtime.hour >> 4)) << 1) + (cdtime.hour & 0xf);
time->Day = ((((cdtime.day >> 4) << 2) + (cdtime.day >> 4)) << 1) + (cdtime.day & 0xf);

if ((cdtime.month & 0x10) != 0)
time->Month = (cdtime.month & 0xf) + 0xa;
else
time->Month = cdtime.month & 0xf;
if (cdtime.stat & 0x80) {
time->Year = 2000;
time->Month = 3;
time->Day = 4;
time->Hour = 5;
time->Min = 6;
time->Sec = 7;
time->Resv2 = 0;
} else {
time->Resv2 = 0;
time->Sec = btoi(cdtime.second);
time->Min = btoi(cdtime.minute);
time->Hour = btoi(cdtime.hour);
time->Day = btoi(cdtime.day);

if ((cdtime.month & 0x10) != 0) //Keep only valid bits: 0x1f (for month values 1-12 in BCD)
time->Month = (cdtime.month & 0xf) + 0xa;
else
time->Month = cdtime.month & 0xf;

time->Year = ((((cdtime.year >> 4) << 2) + (cdtime.year >> 4)) << 1) + ((cdtime.year & 0xf) | 0x7d0);
time->Year = btoi(cdtime.year) + 2000;
}

return 0;
}
Expand Down Expand Up @@ -387,9 +323,9 @@ static int vmc_mcformat(char *filename, int size_kb, int blocksize, int *progres
// erase all clusters
strcpy(msg, "Erasing VMC clusters...");
memset(cluster_buf, 0xff, sizeof(cluster_buf));
for (i = 0; i < mcdi->clusters_per_card; i += 16) {
for (i = 0; i < mcdi->clusters_per_card; i += BLOCKKB) {
*progress = i / (mcdi->clusters_per_card / 99);
r = mc_writecluster(genvmc_fh, i, cluster_buf, 16);
r = mc_writecluster(genvmc_fh, i, cluster_buf, BLOCKKB);
if (r < 0) {
if (r == -2) // it's user abort
r = -1000;
Expand Down Expand Up @@ -588,13 +524,13 @@ static int vmc_mcformat(char *filename, int size_kb, int blocksize, int *progres
}

//--------------------------------------------------------------
int genvmc_dummy(void)
static int genvmc_dummy(void)
{
return -EPERM;
}

//--------------------------------------------------------------
int genvmc_init(iop_device_t *dev)
static int genvmc_init(iop_device_t *dev)
{
genvmc_io_sema = CreateMutex(IOP_MUTEX_UNLOCKED);
genvmc_thread_sema = CreateMutex(IOP_MUTEX_UNLOCKED);
Expand All @@ -604,7 +540,7 @@ int genvmc_init(iop_device_t *dev)
}

//--------------------------------------------------------------
int genvmc_deinit(iop_device_t *dev)
static int genvmc_deinit(iop_device_t *dev)
{
DeleteSema(genvmc_io_sema);
DeleteSema(genvmc_thread_sema);
Expand Down Expand Up @@ -714,7 +650,7 @@ static int vmc_status(statusVMCparam_t *param)
}

//--------------------------------------------------------------
int genvmc_devctl(iop_file_t *f, const char *name, int cmd, void *args, u32 arglen, void *buf, u32 buflen)
static int genvmc_devctl(iop_file_t *f, const char *name, int cmd, void *args, unsigned int arglen, void *buf, unsigned int buflen)
{
register int r = 0;

Expand Down Expand Up @@ -768,15 +704,3 @@ int _start(int argc, char **argv)
return MODULE_RESIDENT_END;
}

//--------------------------------------------------------------
// Extra import tables

DECLARE_IMPORT_TABLE(cdvdman, 1, 1)
DECLARE_IMPORT(51, sceCdRC)
END_IMPORT_TABLE

DECLARE_IMPORT_TABLE(mcman, 1, 1)
DECLARE_IMPORT(5, sceMcDetectCard)
DECLARE_IMPORT(18, sceMcReadPage)
DECLARE_IMPORT(39, sceMcGetCardType)
END_IMPORT_TABLE
10 changes: 10 additions & 0 deletions modules/vmc/genvmc/imports.lst
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Original file line number Diff line number Diff line change
@@ -1,3 +1,7 @@
cdvdman_IMPORTS_start
I_sceCdRC
cdvdman_IMPORTS_end

ioman_IMPORTS_start
I_DelDrv
I_AddDrv
Expand All @@ -13,6 +17,12 @@ I_CpuSuspendIntr
I_CpuResumeIntr
intrman_IMPORTS_end

mcman_IMPORTS_start
I_McDetectCard
I_McReadPage
I_McGetMcType
mcman_IMPORTS_end

sysmem_IMPORTS_start
I_AllocSysMemory
I_FreeSysMemory
Expand Down
48 changes: 0 additions & 48 deletions modules/vmc/genvmc/ioman_add.h
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This file was deleted.

3 changes: 2 additions & 1 deletion modules/vmc/genvmc/irx_imports.h
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Original file line number Diff line number Diff line change
Expand Up @@ -3,9 +3,10 @@

#include <irx.h>

#include <cdvdman.h>
#include <intrman.h>
#include <ioman.h>
#include "ioman_add.h"
#include <mcman.h>
#ifdef DEBUG
#include <stdio.h>
#endif
Expand Down

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