filewrite.c-Dateireferenz

#include "lolevel.h"
#include "platform.h"
#include "../../../generic/filewrite.c"

Include-Abhängigkeitsdiagramm für filewrite.c:

gehe zum Quellcode dieser Datei

Datenstrukturen
struct	cam_ptp_data_chunk
struct	fwt_data_struct

Makrodefinitionen
#define	MAX_CHUNKS_FOR_FWT   7
#define	FWT_MUSTSEEK   0x40
#define	FWT_SEEKMASK   0x40

Funktionen
void	__attribute__ ((naked, noinline))

Makro-Dokumentation

#define FWT_MUSTSEEK   0x40

Definiert in Zeile 38 der Datei filewrite.c.

#define FWT_SEEKMASK   0x40

Definiert in Zeile 39 der Datei filewrite.c.

#define MAX_CHUNKS_FOR_FWT   7

Definiert in Zeile 12 der Datei filewrite.c.

Dokumentation der Funktionen

void __attribute__

(

(naked, noinline)

)

Definiert in Zeile 45 der Datei filewrite.c.

                                                     {
asm volatile (
"    STMFD   SP!, {R1-R7,LR} \n"
"    LDR     R5, =0xA988 \n"
"    MOV     R6, #0 \n"

"loc_FFA75CD0:\n"
"    LDR     R0, [R5, #0x10] \n"
"    MOV     R2, #0 \n"
"    ADD     R1, SP, #8 \n"
"    BL      sub_003F7418 /*_ReceiveMessageQueue*/ \n"
"    CMP     R0, #0 \n"
"    LDRNE   R1, =0x3EF \n"
"    LDRNE   R0, =0xFFA75E90 /*'dwFWrite.c'*/ \n"
"    BLNE    _DebugAssert \n"
"    LDR     R0, [SP, #8] \n"
"    LDR     R1, [R0] \n"
"    CMP     R1, #0xD \n"
"    ADDCC   PC, PC, R1, LSL#2 \n"
"    B       loc_FFA75CD0 \n"
"    B       loc_FFA75E58 \n"
"    B       loc_FFA75E58 \n"
"    B       loc_FFA75E58 \n"
"    B       loc_FFA75E58 \n"
"    B       loc_FFA75E58 \n"
"    B       loc_FFA75E58 \n"
"    B       loc_FFA75E58 \n"
"    B       loc_FFA75E60 \n"
"    B       loc_FFA75D38 \n"
"    B       loc_FFA75DD4 \n"
"    B       loc_FFA75E04 \n"
"    B       loc_FFA75DA0 \n"
"    B       loc_FFA75DCC \n"

"loc_FFA75D38:\n"
"    MOV     R4, R5 \n"
"    STR     R6, [SP] \n"

"loc_FFA75D40:\n"
"    LDR     R0, [R4, #0x10] \n"
"    MOV     R1, SP \n"
"    BL      sub_003F765C /*_GetNumberOfPostedMessages*/ \n"
"    LDR     R0, [SP] \n"
"    CMP     R0, #0 \n"
"    BEQ     loc_FFA75D6C \n"
"    LDR     R0, [R4, #0x10] \n"
"    MOV     R2, #0 \n"
"    ADD     R1, SP, #4 \n"
"    BL      sub_003F7418 /*_ReceiveMessageQueue*/ \n"
"    B       loc_FFA75D40 \n"

"loc_FFA75D6C:\n"
"    LDR     R0, [R4, #4] \n"
"    CMN     R0, #1 \n"
"    BEQ     loc_FFA75D94 \n"
"    BL      fwt_close \n"  // --> Patched. Old value = _Close.
"    MVN     R0, #0 \n"
"    STR     R0, [R4, #4] \n"
"    LDR     R0, =0xED380 \n"
"    BL      sub_FF877840 \n"
"    MOV     R1, #0 \n"
"    BL      sub_FF875730 \n"

"loc_FFA75D94:\n"
"    LDR     R0, [R4, #0xC] \n"
"    BL      _GiveSemaphore \n"
"    B       loc_FFA75CD0 \n"

"loc_FFA75DA0:\n"
"    MOV     R4, R0 \n"
"    ADD     R0, R0, #0x58 \n"
"    BL      sub_FF877840 \n"
"    MOV     R1, #0 \n"
"    BL      sub_FF8755F4 \n"
"    LDR     R0, [R4, #0xC] \n"
"    BL      sub_FF8746AC \n"
"    ADD     R0, R4, #0x58 \n"

//mod start
"    LDR R3, =ignore_current_write\n" // !!
"    LDR R3, [R3]\n"
"    CMP R3, #0\n"
"    BNE loc_A\n" // skip creating directory
//mod end
"    BL      sub_FF82DD58 \n"
"    ADD     R0, R4, #0x58 \n"
"    B       loc_FFA75E38 \n"

"loc_FFA75DCC:\n"
"    BL      sub_FFA759B0_my \n"  // --> Patched. Old value = 0xFFA759B0. Open stage
"    B       loc_FFA75CD0 \n"

"loc_FFA75DD4:\n"
"    LDR     R1, [R0, #4] \n"
"    MOV     R4, R0 \n"
"    LDR     R0, [R5, #4] \n"
"    MOV     R2, #0 \n"
"    BL      fwt_lseek \n"  // --> Patched. Old value = _lseek.
"    CMN     R0, #1 \n"
"    LDREQ   R0, =0x9200013 \n"
"    MOVEQ   R1, R4 \n"
"    STREQ   R0, [R4, #0x10] \n"
"    MOVEQ   R0, #7 \n"
"    BLEQ    sub_FFA758F0 \n"
"    B       loc_FFA75CD0 \n"

"loc_FFA75E04:\n"
"    MOV     R4, R0 \n"
"    LDRSB   R0, [R0, #0x58] \n"
"    CMP     R0, #0 \n"
"    BEQ     loc_FFA75CD0 \n"
"    STRB    R0, [SP, #4] \n"
"    ADD     R0, R4, #0x58 \n"
"    STRB    R6, [SP, #5] \n"
"    BL      sub_FF877840 \n"
"    MOV     R1, #0 \n"
"    BL      sub_FF8755F4 \n"

//mod start
"    LDR R3, =ignore_current_write\n" // !!
"    LDR R3, [R3]\n"
"    CMP R3, #0\n"
"    BNE loc_B\n" // skip flushing the cache
//mod end

"    ADD     R0, SP, #4 \n"
"    BL      sub_FF8746C4 \n"
"loc_B:\n"
"    ADD     R0, R4, #0x58 \n"

"loc_FFA75E38:\n"
"loc_A:\n"
"    BL      sub_FF877840 \n"
"    LDR     R1, [R5, #0x18] \n"
"    BL      sub_FF875730 \n"
"    LDR     R1, [R5, #0x14] \n"
"    CMP     R1, #0 \n"
"    LDRNE   R0, [R4, #0x10] \n"
"    BLXNE   R1 \n"
"    B       loc_FFA75CD0 \n"

"loc_FFA75E58:\n"
"    BL      sub_FFA76070_my \n"  // --> Patched. Old value = 0xFFA76070. Write stage
"    B       loc_FFA75CD0 \n"

"loc_FFA75E60:\n"
"    BL      sub_FFA75B3C_my \n"  // --> Patched. Old value = 0xFFA75B3C. Close stage
"    B       loc_FFA75CD0 \n"
);
}