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   2
#define	FWT_SEEKMASK   0xffffffff

Funktionen
void	__attribute__ ((naked, noinline))

Makro-Dokumentation

#define FWT_MUSTSEEK   2

Definiert in Zeile 27 der Datei filewrite.c.

#define FWT_SEEKMASK   0xffffffff

Definiert in Zeile 28 der Datei filewrite.c.

#define MAX_CHUNKS_FOR_FWT   7

Definiert in Zeile 9 der Datei filewrite.c.

Dokumentation der Funktionen

void __attribute__

(

(naked, noinline)

)

!!

Definiert in Zeile 34 der Datei filewrite.c.

                                                       { 
asm volatile (
      "    STMFD   SP!, {R1-R7,LR} \n" 
      "    LDR     R7, =0x96B0 \n" 
      "    MOV     R6, #0 \n" 
"loc_FFA52400:\n"
      "    LDR     R0, [R7, #0x14] \n" 
      "    MOV     R2, #0 \n" 
      "    ADD     R1, SP, #8 \n" 
      "    MOV     R5, R7 \n" 
      "    BL      sub_003F7218 \n" //ReceiveMessageQueue
      "    CMP     R0, #0 \n" 
      "    LDRNE   R1, =0x38E \n" 
      "    LDRNE   R0, =0xFFA52538 \n" // dwFWrite.c
      "    BLNE    _DebugAssert \n" //DebugAssert
      "    LDR     R0, [SP, #8] \n" 
      "    LDR     R1, [R0] \n" // state (aka msg number)
      "    CMP     R1, #0xB \n" 
      "    ADDCC   PC, PC, R1, LSL #2 \n" 
      "    B       loc_FFA52400 \n" 
      "    B       loc_FFA52508 \n" 
      "    B       loc_FFA52508 \n" 
      "    B       loc_FFA52508 \n" 
      "    B       loc_FFA52508 \n" 
      "    B       loc_FFA52508 \n" 
      "    B       loc_FFA52508 \n" 
      "    B       loc_FFA52508 \n" 
      "    B       loc_FFA52510 \n" 
      "    B       loc_FFA52464 \n" 
      "    B       loc_FFA524D4 \n" 
      "    B       loc_FFA524CC \n" 
"loc_FFA52464:\n"             // (state 8) empties the message queue
      "    STR     R6, [SP] \n" 
"loc_FFA52468:\n"
      "    LDR     R0, [R5, #0x14] \n" 
      "    MOV     R1, SP \n" 
      "    BL      sub_003F745C \n" //GetNumberOfPostedMessages
      "    LDR     R0, [SP] \n" 
      "    CMP     R0, #0 \n" 
      "    BEQ     loc_FFA52494 \n" // no message left in queue
      "    LDR     R0, [R5, #0x14] \n" 
      "    MOV     R2, #0 \n" 
      "    ADD     R1, SP, #4 \n" 
      "    BL      sub_003F7218 \n" //ReceiveMessageQueue
      "    B       loc_FFA52468 \n" 
"loc_FFA52494:\n"
      "    LDR     R0, [R5, #8] \n" // file descriptor
      "    CMN     R0, #1 \n" 
      "    BEQ     loc_FFA524C0 \n" 
      "    BL      fwt_close\n"     // mod! sub_FF830158 Close
"loc_FFA524A4:\n"
      "    MVN     R0, #0 \n" 
      "    STR     R0, [R5, #8] \n" // file descriptor
      "    LDR     R0, =0x131D20 \n" 
      "    STR     R6, [R5, #4] \n" 
      "    BL      sub_FF86671C \n" // path check or something
      "    MOV     R1, #0 \n" 
      "    BL      sub_FF8647B8 \n" // file semaphore related
"loc_FFA524C0:\n"
      "    LDR     R0, [R5, #0x10] \n" 
      "    BL      sub_003F7704 \n" //GiveSemaphore
      "    B       loc_FFA52400 \n" 
"loc_FFA524CC:\n"
      "    BL      sub_FFA520F0_my \n" // -> open stage (state 10)
      "    B       loc_FFA52400 \n" 
"loc_FFA524D4:\n"                   // (state 9), append? overwrite?
      "    LDR     R1, [R0, #4] \n" 
      "    MOV     R4, R0 \n" 
      "    LDR     R0, [R5, #8] \n" // file descriptor
      "    MOV     R2, #0 \n"       // SEEK_SET
      "    BL      fwt_lseek\n"     // mod! sub_FF8302F0 lseek
      "    CMN     R0, #1 \n" 
      "    LDREQ   R0, =0x9200013 \n" 
      "    MOV     R1, R4 \n" 
      "    STREQ   R0, [R4, #0x14] \n" 
      "    MOVNE   R0, #0 \n"       // next state = 0 (write)
      "    MOVEQ   R0, #7 \n"       // next state = 7 (close)
      "    BL      sub_FFA52034 \n" // next state = 7 (close)
      "    B       loc_FFA52400 \n" 
"loc_FFA52508:\n"
      "    BL      sub_FFA52730_my \n" // -> write stage (states 0..6)
      "    B       loc_FFA52400 \n" 
"loc_FFA52510:\n"
      "    BL      sub_FFA5225C_my \n" // -> close stage (state 7)
      "    B       loc_FFA52400 \n" 
    );
}