Decompile __osDevMgrMain

src/include/PR/os_misc.h

@@ -110,6 +110,9 @@ typedef char *va_list;
 #define OS_CYCLES_TO_NSEC(c)	(((u64)(c)*(1000000000LL/15625000LL))/(OS_CPU_COUNTER/15625000LL))
 #define OS_CYCLES_TO_USEC(c)	(((u64)(c)*(1000000LL/15625LL))/(OS_CPU_COUNTER/15625LL))
 
+#define LEO_BLOCK_MODE	1
+#define LEO_TRACK_MODE	2
+#define LEO_SECTOR_MODE	3
 
 /* Miscellaneous OS functions */
 

src/include/PR/os_pi.h

@@ -92,6 +92,93 @@ typedef struct {
     if (cHandle->var != pihandle->var) \
         IO_WRITE(reg, pihandle->var);
 
+#define LEO_BASE_REG 0x05000000
+
+#define LEO_CMD (LEO_BASE_REG + 0x508)
+#define LEO_STATUS (LEO_BASE_REG + 0x508)
+
+#define LEO_BM_CTL (LEO_BASE_REG + 0x510)
+#define LEO_BM_STATUS (LEO_BASE_REG + 0x510)
+
+#define LEO_SEQ_CTL (LEO_BASE_REG + 0x518)
+#define LEO_SEQ_STATUS (LEO_BASE_REG + 0x518)
+
+#define LEO_C2_BUFF (LEO_BASE_REG + 0x000)      //C2 Sector Buffer
+#define LEO_SECTOR_BUFF (LEO_BASE_REG + 0x400)  //Data Sector Buffer
+#define LEO_DATA (LEO_BASE_REG + 0x500)         //Data
+#define LEO_MISC_REG (LEO_BASE_REG + 0x504)     //Misc Register
+#define LEO_CUR_TK (LEO_BASE_REG + 0x50C)       //Current Track
+#define LEO_ERR_SECTOR (LEO_BASE_REG + 0x514)   //Sector Error Status
+#define LEO_CUR_SECTOR (LEO_BASE_REG + 0x51C)   //Current Sector
+#define LEO_HARD_RESET (LEO_BASE_REG + 0x520)   //Hard Reset
+#define LEO_C1_S0 (LEO_BASE_REG + 0x524)        //C1
+#define LEO_HOST_SECBYTE (LEO_BASE_REG + 0x528) //Sector Size (in bytes)
+#define LEO_C1_S2 (LEO_BASE_REG + 0x52C)        //C1
+#define LEO_SEC_BYTE (LEO_BASE_REG + 0x530)     //Sectors per Block, Full Size
+#define LEO_C1_S4 (LEO_BASE_REG + 0x534)        //C1
+#define LEO_C1_S6 (LEO_BASE_REG + 0x538)        //C1
+#define LEO_CUR_ADDR (LEO_BASE_REG + 0x53C)     //Current Address?
+#define LEO_ID_REG (LEO_BASE_REG + 0x540)       //ID
+#define LEO_TEST_REG (LEO_BASE_REG + 0x544)     //Test Read
+#define LEO_TEST_PIN_SEL (LEO_BASE_REG + 0x548) //Test Write
+#define LEO_RAM_ADDR (LEO_BASE_REG + 0x580)     //Microsequencer RAM
+
+#define LEO_STATUS_PRESENCE_MASK 0xFFFF
+
+#define LEO_STATUS_DATA_REQUEST             0x40000000
+#define LEO_STATUS_C2_TRANSFER              0x10000000
+#define LEO_STATUS_BUFFER_MANAGER_ERROR     0x08000000
+#define LEO_STATUS_BUFFER_MANAGER_INTERRUPT 0x04000000
+#define LEO_STATUS_MECHANIC_INTERRUPT       0x02000000
+#define LEO_STATUS_DISK_PRESENT             0x01000000
+#define LEO_STATUS_BUSY_STATE               0x00800000
+#define LEO_STATUS_RESET_STATE              0x00400000
+#define LEO_STATUS_MOTOR_NOT_SPINNING       0x00100000
+#define LEO_STATUS_HEAD_RETRACTED           0x00080000
+#define LEO_STATUS_WRITE_PROTECT_ERROR      0x00040000
+#define LEO_STATUS_MECHANIC_ERROR           0x00020000
+#define LEO_STATUS_DISK_CHANGE              0x00010000
+
+#define LEO_STATUS_MODE_MASK (LEO_STATUS_MOTOR_NOT_SPINNING | LEO_STATUS_HEAD_RETRACTED)
+#define LEO_STATUS_MODE_SLEEP (LEO_STATUS_MOTOR_NOT_SPINNING | LEO_STATUS_HEAD_RETRACTED)
+#define LEO_STATUS_MODE_STANDBY (LEO_STATUS_HEAD_RETRACTED)
+#define LEO_STATUS_MODE_ACTIVE 0
+
+#define LEO_CUR_TK_INDEX_LOCK 0x60000000
+
+#define LEO_BM_STATUS_RUNNING      0x80000000
+#define LEO_BM_STATUS_ERROR        0x04000000
+#define LEO_BM_STATUS_MICRO        0x02000000
+#define LEO_BM_STATUS_BLOCK        0x01000000
+#define LEO_BM_STATUS_C1CORRECTION 0x00800000
+#define LEO_BM_STATUS_C1DOUBLE     0x00400000
+#define LEO_BM_STATUS_C1SINGLE     0x00200000
+#define LEO_BM_STATUS_C1ERROR      0x00010000
+
+#define LEO_BM_CTL_START             0x80000000
+#define LEO_BM_CTL_MODE              0x40000000
+#define LEO_BM_CTL_IMASK             0x20000000
+#define LEO_BM_CTL_RESET             0x10000000
+#define LEO_BM_CTL_DISABLE_OR        0x08000000
+#define LEO_BM_CTL_DISABLE_C1        0x04000000
+#define LEO_BM_CTL_BLOCK             0x02000000
+#define LEO_BM_CTL_CLR_MECHANIC_INTR 0x01000000
+
+#define LEO_BM_CTL_CONTROL_MASK 0xFF000000
+#define LEO_BM_CTL_SECTOR_MASK  0x00FF0000
+#define LEO_BM_CTL_SECTOR_SHIFT 16
+
+#define LEO_CMD_TYPE_0 0
+#define LEO_CMD_TYPE_1 1
+#define LEO_CMD_TYPE_2 2
+
+#define LEO_ERROR_GOOD 0
+#define LEO_ERROR_4    4
+#define LEO_ERROR_22   22
+#define LEO_ERROR_23   23
+#define LEO_ERROR_24   24
+#define LEO_ERROR_29   29
+
 /* Functions */
 
 s32 osPiStartDma(OSIoMesg *mb, s32 priority, s32 direction,