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Split librfu into separate C files in its own directory, rfu_initializeAPI matching except for register differences

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This commit is contained in:
shinyquagsire23 2017-10-21 13:42:31 -06:00
parent dd316b28e0
commit 482b42a295
5 changed files with 229 additions and 107 deletions
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108
include/librfu.h Normal file
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@ -0,0 +1,108 @@
#include "main.h"
enum
{
RFU_RESET = 0x10,
RFU_LINK_STATUS,
RFU_VERSION_STATUS,
RFU_SYSTEM_STATUS,
RFU_SLOT_STATUS,
RFU_CONFIG_STATUS,
RFU_GAME_CONFIG,
RFU_SYSTEM_CONFIG,
RFU_UNK18,
RFU_SC_START,
RFU_SC_POLLING,
RFU_SC_END,
RFU_SP_START,
RFU_SP_POLLING,
RFU_SP_END,
RFU_CP_START,
RFU_CP_POLLING,
RFU_CP_END,
RFU_UNK22,
RFU_UNK23,
RFU_DATA_TX,
RFU_DATA_TX_AND_CHANGE,
RFU_DATA_RX,
RFU_MS_CHANGE,
RFU_DATA_READY_AND_CHANGE,
RFU_DISCONNECTED_AND_CHANGE,
RFU_UNK2A,
RFU_UNK2B,
RFU_UNK2C,
RFU_UNK2D,
RFU_UNK2E,
RFU_UNK2F,
RFU_DISCONNECT,
RFU_TEST_MODE,
RFU_CPR_START,
RFU_CPR_POLLING,
RFU_CPR_END,
RFU_UNK35,
RFU_UNK36,
RFU_RESUME_RETRANSMIT_AND_CHANGE,
RFU_UNK38,
RFU_UNK39,
RFU_UNK3A,
RFU_UNK3B,
RFU_UNK3C,
RFU_STOP_MODE, //3D
};
struct RfuPacket8
{
u8 data[0x74];
};
struct RfuPacket32
{
u32 command;
u32 data[0x1C];
};
union RfuPacket
{
struct RfuPacket32 rfuPacket32;
struct RfuPacket8 rfuPacket8;
};
struct RfuStruct
{
vs32 unk_0;
u8 txParams;
u8 unk_5;
u8 activeCommand;
u8 unk_7;
u8 unk_8;
u8 unk_9;
u8 timerSelect;
u8 unk_b;
int timerState;
vu8 timerActive;
u8 unk_11;
vu16 unk_12;
vu8 msMode;
u8 unk_15;
u8 unk_16;
u8 unk_17;
void (*callbackM)();
void (*callbackS)();
u32 callbackID;
union RfuPacket *txPacket;
union RfuPacket *rxPacket;
vu8 unk_2c;
u8 padding[3];
};
struct RfuIntrStruct
{
u8 rxPacketAlloc[0x74];
u8 txPacketAlloc[0x74];
u8 block1[0x960];
u8 block2[0x30];
};
extern struct RfuStruct *gRfuState;
void STWI_init_all(struct RfuIntrStruct *interruptStruct, IntrFunc *interrupt, bool8 copyInterruptToRam);

4
ld_script.txt
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@ -244,8 +244,10 @@ SECTIONS {
src/agb_flash_1m.o(.text);
src/agb_flash_mx.o(.text);
src/siirtc.o(.text);
src/librfu.o(.text);
src/librfu_stwi.o(.text);
src/librfu_intr.o(.text);
asm/librfu_intr.o(.text);
src/librfu_rfu.o(.text);
asm/librfu.o(.text);
asm/libagbsyscall.o(.text);
tools/agbcc/lib/libgcc.a:_call_via_rX.o(.text);

4
src/librfu_intr.c Normal file
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@ -0,0 +1,4 @@
#include "global.h"
#include "main.h"
//TODO: decompile asm/librfu_intr.s to here

109
src/librfu_rfu.c Normal file
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@ -0,0 +1,109 @@
#include "global.h"
#include "main.h"
#include "librfu.h"
struct RfuUnk1
{
u8 unk_0[0x14];
u32 unk_14;
u32 unk_18;
struct RfuIntrStruct unk_1c;
};
struct RfuUnk2
{
u8 unk_0[0x68];
u32 unk_68;
u32 unk_6c;
u8 unk_70[0x70];
};
struct RfuUnk3
{
u32 unk_0;
u32 unk_4;
u8 unk_8[0xD4];
u32 unk_dc;
};
extern u32 *gUnknown_03007890;
extern u32 *gUnknown_03007894;
extern struct RfuUnk3* gUnknown_03007898;
extern struct RfuUnk2* gUnknown_03007880[4];
extern struct RfuUnk1* gUnknown_03007870[4];
extern void* sub_82E53F4;
extern void rfu_STC_clearAPIVariables(void);
// Nonmatching, only register differences
/*u16 rfu_initializeAPI(u32 *unk0, u16 unk1, IntrFunc *interrupt, bool8 copyInterruptToRam)
{
u16 i;
u16 *v13;
u16 *v12;
u16 num;
if (((u32)unk0 & 0xF000000) == 0x2000000 && copyInterruptToRam)
{
return 2;
}
if ((u32)unk0 & 3)
return 2;
// Nintendo pls, just use a ternary for once
if (copyInterruptToRam)
{
// An assert/debug print may have existed before, ie
// printf("%s %u < %u", "somefile.c:12345", unk1, num)
// to push this into r3?
num = 0xe64;
if (unk1 < num)
return 1;
}
if (copyInterruptToRam == FALSE)
{
num = 0x504; // same as above, this should be r3 not r0
if (unk1 < num)
return 1;
}
gUnknown_03007890 = unk0;
gUnknown_03007894 = unk0 + (0xB4 / sizeof(u32));
gUnknown_03007898 = (struct RfuUnk3*)(unk0 + (0xDC / sizeof(u32)));
gUnknown_03007880[0] = (struct RfuUnk2*)(unk0 + (0x1BC / sizeof(u32)));
gUnknown_03007870[0] = (struct RfuUnk1*)(unk0 + (0x37C / sizeof(u32)));
for (i = 1; i < 4; i++, num)
{
gUnknown_03007880[i] = (struct RfuUnk2*)&gUnknown_03007880[i-1]->unk_70;
gUnknown_03007870[i] = (struct RfuUnk1*)&gUnknown_03007870[i-1]->unk_1c;
}
gUnknown_03007898->unk_dc = (u32)&gUnknown_03007870[3]->unk_1c;
STWI_init_all(&gUnknown_03007870[3]->unk_1c, interrupt, copyInterruptToRam);
rfu_STC_clearAPIVariables();
for (i = 0; i < 4; i++)
{
gUnknown_03007880[i]->unk_68 = 0;
gUnknown_03007880[i]->unk_6c = 0;
gUnknown_03007870[i]->unk_14 = 0;
gUnknown_03007870[i]->unk_18 = 0;
}
// Not matching, register differences
v12 = (u16*)((u32)&sub_82E53F4 & ~1);
v13 = (u16*)gUnknown_03007898->unk_8;
for (i = 47; i != 0xFFFF; i--)
{
*v13 = *v12;
++v12;
++v13;
}
gUnknown_03007898->unk_4 = (u32)(&gUnknown_03007898->unk_8[1]);
return 0;
}*/

111
src/librfu.c → src/librfu_stwi.c
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@ -1,111 +1,10 @@
#include "global.h"
#include "main.h"
enum
{
RFU_RESET = 0x10,
RFU_LINK_STATUS,
RFU_VERSION_STATUS,
RFU_SYSTEM_STATUS,
RFU_SLOT_STATUS,
RFU_CONFIG_STATUS,
RFU_GAME_CONFIG,
RFU_SYSTEM_CONFIG,
RFU_UNK18,
RFU_SC_START,
RFU_SC_POLLING,
RFU_SC_END,
RFU_SP_START,
RFU_SP_POLLING,
RFU_SP_END,
RFU_CP_START,
RFU_CP_POLLING,
RFU_CP_END,
RFU_UNK22,
RFU_UNK23,
RFU_DATA_TX,
RFU_DATA_TX_AND_CHANGE,
RFU_DATA_RX,
RFU_MS_CHANGE,
RFU_DATA_READY_AND_CHANGE,
RFU_DISCONNECTED_AND_CHANGE,
RFU_UNK2A,
RFU_UNK2B,
RFU_UNK2C,
RFU_UNK2D,
RFU_UNK2E,
RFU_UNK2F,
RFU_DISCONNECT,
RFU_TEST_MODE,
RFU_CPR_START,
RFU_CPR_POLLING,
RFU_CPR_END,
RFU_UNK35,
RFU_UNK36,
RFU_RESUME_RETRANSMIT_AND_CHANGE,
RFU_UNK38,
RFU_UNK39,
RFU_UNK3A,
RFU_UNK3B,
RFU_UNK3C,
RFU_STOP_MODE, //3D
};
struct RfuPacket8
{
u8 data[0x74];
};
struct RfuPacket32
{
u32 command;
u32 data[0x1C];
};
union RfuPacket
{
struct RfuPacket32 rfuPacket32;
struct RfuPacket8 rfuPacket8;
};
struct RfuStruct
{
vs32 unk_0;
u8 txParams;
u8 unk_5;
u8 activeCommand;
u8 unk_7;
u8 unk_8;
u8 unk_9;
u8 timerSelect;
u8 unk_b;
int timerState;
vu8 timerActive;
u8 unk_11;
vu16 unk_12;
vu8 msMode;
u8 unk_15;
u8 unk_16;
u8 unk_17;
void (*callbackM)();
void (*callbackS)();
u32 callbackID;
union RfuPacket *txPacket;
union RfuPacket *rxPacket;
vu8 unk_2c;
u8 padding[3];
};
struct RfuIntrStruct
{
u8 rxPacketAlloc[0x74];
u8 txPacketAlloc[0x74];
u8 block1[0x960];
u8 block2[0x30];
};
#include "librfu.h"
extern IntrFunc IntrSIO32(void);
extern struct RfuStruct *gRfuState;
extern void STWI_stop_timer(void);
void STWI_init_Callback_M(void);
void STWI_init_Callback_S(void);
void STWI_set_Callback_M(void * callback);
@ -114,7 +13,7 @@ u16 STWI_init(u8 request);
int STWI_start_Command(void);
void STWI_intr_timer(void);
void STWI_set_timer(u8 unk);
extern void STWI_stop_timer(void);
int STWI_restart_Command(void);
int STWI_reset_ClockCounter(void);