LowLevel/Luma3DS-3GX
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Small code reorganization

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Aurora 2016-04-05 05:27:28 +02:00
parent 21a3edb150
commit 9e851d2dfd
10 changed files with 157 additions and 135 deletions
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2
Makefile
View File

@ -96,7 +96,7 @@ $(dir_build)/main.elf: $(objects_cfw)
$(CC) -nostartfiles $(LDFLAGS) -T linker.ld $(OUTPUT_OPTION) $^
$(dir_build)/memory.o : CFLAGS+=-O3
$(dir_build)/utils.o : CFLAGS += -DCONFIG_TITLE="\"$(name) $(version) configuration\""
$(dir_build)/config.o : CFLAGS += -DCONFIG_TITLE="\"$(name) $(version) configuration\""
$(dir_build)/%.o: $(dir_source)/%.c $(dir_build)/patches.h $(dir_build)/loader.h $(dir_build)/screeninit.h
@mkdir -p "$(@D)"

113
source/config.c Normal file
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@ -0,0 +1,113 @@
/*
* config.c
* by Aurora Wright
* Copyright (c) 2016 All Rights Reserved
*/
#include "config.h"
#include "utils.h"
#include "screeninit.h"
#include "draw.h"
#include "fs.h"
#include "i2c.h"
#include "buttons.h"
void configureCFW(const char *configPath, const char *patchedFirms[])
{
initScreens();
drawString(CONFIG_TITLE, 10, 10, COLOR_TITLE);
drawString("Press A to select, START to save and reboot", 10, 30, COLOR_WHITE);
const char *optionsText[] = { "( ) Updated SysNAND mode (A9LH-only)",
"( ) Use pre-patched FIRMs",
"( ) Force A9LH detection",
"( ) Use 9.0 FIRM as default",
"( ) Use second EmuNAND as default",
"( ) Show current NAND in System Settings",
"( ) Show GBA boot screen in patched AGB_FIRM" };
u32 optionsAmount = sizeof(optionsText) / sizeof(char *);
struct option {
int posY;
u32 enabled;
} options[optionsAmount];
//Parse the existing configuration
for(u32 i = 0; i < optionsAmount; i++)
options[i].enabled = (config >> i) & 1;
options[optionsAmount].enabled = (config >> 10) & 3;
//Pre-select the first configuration option
u32 selectedOption = 0;
//Boring configuration menu
while(1)
{
u16 pressed = 0;
do {
options[optionsAmount].posY = drawString("Screen-init brightness: 4( ) 3( ) 2( ) 1( )", 10, 53, selectedOption == optionsAmount ? COLOR_RED : COLOR_WHITE);
for(u32 i = 0; i < optionsAmount; i++)
{
options[i].posY = drawString(optionsText[i], 10, !i ? options[optionsAmount].posY + 2 * SPACING_Y : options[i - 1].posY + SPACING_Y, selectedOption == i ? COLOR_RED : COLOR_WHITE);
drawCharacter('x', 10 + SPACING_X, options[i].posY, options[i].enabled ? (selectedOption == i ? COLOR_RED : COLOR_WHITE) : COLOR_BLACK);
}
for(u32 i = 0; i < 4; i++)
drawCharacter('x', 10 + (26 + 5 * i) * SPACING_X, options[optionsAmount].posY, options[optionsAmount].enabled == i ? (selectedOption == optionsAmount ? COLOR_RED : COLOR_WHITE) : COLOR_BLACK);
pressed = waitInput();
}
while(!(pressed & MENU_BUTTONS));
switch(pressed)
{
case BUTTON_UP:
selectedOption = !selectedOption ? optionsAmount : selectedOption - 1;
break;
case BUTTON_DOWN:
selectedOption = selectedOption >= optionsAmount - 1 ? 0 : selectedOption + 1;
break;
case BUTTON_LEFT:
selectedOption = 0;
break;
case BUTTON_RIGHT:
selectedOption = optionsAmount - 1;
break;
case BUTTON_A:
if(selectedOption != optionsAmount) options[selectedOption].enabled = !options[selectedOption].enabled;
else options[optionsAmount].enabled = options[optionsAmount].enabled == 3 ? 0 : options[optionsAmount].enabled + 1;
break;
}
if(pressed == BUTTON_START) break;
}
//If the user has been using A9LH and the "Updated SysNAND" setting changed, delete the patched 9.0 FIRM
if(((config >> 16) & 1) && ((config & 1) != options[0].enabled)) fileDelete(patchedFirms[3]);
//If the "Show GBA boot screen in patched AGB_FIRM" setting changed, delete the patched AGB_FIRM
if(((config >> 6) & 1) != options[6].enabled) fileDelete(patchedFirms[5]);
//Preserve the last-used boot options (last 12 bits)
config &= 0xFFF000;
//Parse and write the new configuration
for(u32 i = 0; i < optionsAmount; i++)
config |= options[i].enabled << i;
config |= options[optionsAmount].enabled << 10;
fileWrite(&config, configPath, 3);
//Zero the last booted FIRM flag
CFG_BOOTENV = 0;
//Reboot
i2cWriteRegister(I2C_DEV_MCU, 0x20, 1 << 2);
while(1);
}

15
source/config.h Normal file
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@ -0,0 +1,15 @@
/*
* config.h
* by Aurora Wright
* Copyright (c) 2016 All Rights Reserved
*/
#pragma once
#include "types.h"
#define CFG_BOOTENV (*(vu32 *)0x10010000)
u32 config;
void configureCFW(const char *configPath, const char *patchedFirms[]);

8
source/draw.h
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@ -10,8 +10,12 @@
#include "types.h"
#define SPACING_Y 10
#define SPACING_X 8
#define SPACING_Y 10
#define SPACING_X 8
#define COLOR_TITLE 0xFF9900
#define COLOR_WHITE 0xFFFFFF
#define COLOR_RED 0x0000FF
#define COLOR_BLACK 0x000000
void loadSplash(void);
void clearScreens(void);

30
source/firm.c
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@ -5,15 +5,16 @@
*/
#include "firm.h"
#include "config.h"
#include "utils.h"
#include "fs.h"
#include "patches.h"
#include "memory.h"
#include "fs.h"
#include "emunand.h"
#include "crypto.h"
#include "draw.h"
#include "screeninit.h"
#include "loader.h"
#include "utils.h"
#include "buttons.h"
#include "../build/patches.h"
@ -29,7 +30,7 @@ static const char *patchedFirms[] = { "/aurei/patched_firmware_sys.bin",
"/aurei/patched_firmware90.bin",
"/aurei/patched_firmware_twl.bin",
"/aurei/patched_firmware_agb.bin" };
u32 config;
static u32 firmSize,
console,
mode,
@ -39,7 +40,6 @@ static u32 firmSize,
usePatchedFirm,
emuOffset,
emuHeader;
u32 config;
void setupCFW(void)
{
@ -252,16 +252,7 @@ static inline void patchTwlAgb(u32 whichFirm)
twlAgbFirm->arm9Entry = (u8 *)0x801301C;
}
struct patchData {
u32 offset[2];
union {
u8 type0[8];
u16 type1;
} patch;
u32 type;
};
static const struct patchData twlPatches[] = {
static const patchData twlPatches[] = {
{{0x1650C0, 0x165D64}, {{ 6, 0x00, 0x20, 0x4E, 0xB0, 0x70, 0xBD }}, 0},
{{0x173A0E, 0x17474A}, { .type1 = 0x2001 }, 1},
{{0x174802, 0x17553E}, { .type1 = 0x2000 }, 2},
@ -271,18 +262,17 @@ static inline void patchTwlAgb(u32 whichFirm)
{{0x174D6A, 0x175AA6}, { .type1 = 0x2001 }, 2},
{{0x174E56, 0x175B92}, { .type1 = 0x2001 }, 1},
{{0x174E58, 0x175B94}, { .type1 = 0x4770 }, 1}
};
static const struct patchData agbPatches[] = {
},
agbPatches[] = {
{{0x9D2A8, 0x9DF64}, {{ 6, 0x00, 0x20, 0x4E, 0xB0, 0x70, 0xBD }}, 0},
{{0xD7A12, 0xD8B8A}, { .type1 = 0xEF26 }, 1}
};
/* Calculate the amount of patches to apply. Only count the boot screen patch for AGB_FIRM
if the matching option was enabled (keep it as last) */
u32 numPatches = whichFirm ? (sizeof(agbPatches) / sizeof(struct patchData)) - !((config >> 6) & 1) :
(sizeof(twlPatches) / sizeof(struct patchData));
const struct patchData *patches = whichFirm ? agbPatches : twlPatches;
u32 numPatches = whichFirm ? (sizeof(agbPatches) / sizeof(patchData)) - !((config >> 6) & 1) :
(sizeof(twlPatches) / sizeof(patchData));
const patchData *patches = whichFirm ? agbPatches : twlPatches;
//Patch
for(u32 i = 0; i < numPatches; i++)

9
source/firm.h
View File

@ -29,6 +29,15 @@ typedef struct firmHeader {
firmSectionHeader section[4];
} firmHeader;
typedef struct patchData {
u32 offset[2];
union {
u8 type0[8];
u16 type1;
} patch;
u32 type;
} patchData;
void setupCFW(void);
void loadFirm(void);
void patchFirm(void);

1
source/screeninit.c
View File

@ -8,6 +8,7 @@
*/
#include "screeninit.h"
#include "config.h"
#include "memory.h"
#include "draw.h"
#include "i2c.h"

2
source/screeninit.h
View File

@ -13,7 +13,5 @@
#define PDN_GPU_CNT (*(vu8 *)0x10141200)
u32 config;
void deinitScreens(void);
void initScreens(void);

108
source/utils.c
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@ -11,17 +11,7 @@
#include "i2c.h"
#include "buttons.h"
#define COLOR_TITLE 0xFF9900
#define COLOR_WHITE 0xFFFFFF
#define COLOR_RED 0x0000FF
#define COLOR_BLACK 0x000000
struct option {
int posY;
u32 enabled;
};
static u32 waitInput(void)
u32 waitInput(void)
{
u32 pressedKey = 0;
u32 key;
@ -47,102 +37,6 @@ static u32 waitInput(void)
return key;
}
void configureCFW(const char *configPath, const char *patchedFirms[])
{
initScreens();
drawString(CONFIG_TITLE, 10, 10, COLOR_TITLE);
drawString("Press A to select, START to save and reboot", 10, 30, COLOR_WHITE);
const char *optionsText[] = { "( ) Updated SysNAND mode (A9LH-only)",
"( ) Use pre-patched FIRMs",
"( ) Force A9LH detection",
"( ) Use 9.0 FIRM as default",
"( ) Use second EmuNAND as default",
"( ) Show current NAND in System Settings",
"( ) Show GBA boot screen in patched AGB_FIRM" };
u32 optionsAmount = sizeof(optionsText) / sizeof(char *);
struct option options[optionsAmount];
//Parse the existing configuration
for(u32 i = 0; i < optionsAmount; i++)
options[i].enabled = (config >> i) & 1;
options[optionsAmount].enabled = (config >> 10) & 3;
//Pre-select the first configuration option
u32 selectedOption = 0;
//Boring configuration menu
while(1)
{
u16 pressed = 0;
do {
options[optionsAmount].posY = drawString("Screen-init brightness: 4( ) 3( ) 2( ) 1( )", 10, 53, selectedOption == optionsAmount ? COLOR_RED : COLOR_WHITE);
for(u32 i = 0; i < optionsAmount; i++)
{
options[i].posY = drawString(optionsText[i], 10, !i ? options[optionsAmount].posY + 2 * SPACING_Y : options[i - 1].posY + SPACING_Y, selectedOption == i ? COLOR_RED : COLOR_WHITE);
drawCharacter('x', 10 + SPACING_X, options[i].posY, options[i].enabled ? (selectedOption == i ? COLOR_RED : COLOR_WHITE) : COLOR_BLACK);
}
for(u32 i = 0; i < 4; i++)
drawCharacter('x', 10 + (26 + 5 * i) * SPACING_X, options[optionsAmount].posY, options[optionsAmount].enabled == i ? (selectedOption == optionsAmount ? COLOR_RED : COLOR_WHITE) : COLOR_BLACK);
pressed = waitInput();
}
while(!(pressed & MENU_BUTTONS));
switch(pressed)
{
case BUTTON_UP:
selectedOption = !selectedOption ? optionsAmount : selectedOption - 1;
break;
case BUTTON_DOWN:
selectedOption = selectedOption >= optionsAmount - 1 ? 0 : selectedOption + 1;
break;
case BUTTON_LEFT:
selectedOption = 0;
break;
case BUTTON_RIGHT:
selectedOption = optionsAmount - 1;
break;
case BUTTON_A:
if(selectedOption != optionsAmount) options[selectedOption].enabled = !options[selectedOption].enabled;
else options[optionsAmount].enabled = options[optionsAmount].enabled == 3 ? 0 : options[optionsAmount].enabled + 1;
break;
}
if(pressed == BUTTON_START) break;
}
//If the user has been using A9LH and the "Updated SysNAND" setting changed, delete the patched 9.0 FIRM
if(((config >> 16) & 1) && ((config & 1) != options[0].enabled)) fileDelete(patchedFirms[3]);
//If the "Show GBA boot screen in patched AGB_FIRM" setting changed, delete the patched AGB_FIRM
if(((config >> 6) & 1) != options[6].enabled) fileDelete(patchedFirms[5]);
//Preserve the last-used boot options (last 12 bits)
config &= 0xFFF000;
//Parse and write the new configuration
for(u32 i = 0; i < optionsAmount; i++)
config |= options[i].enabled << i;
config |= options[optionsAmount].enabled << 10;
fileWrite(&config, configPath, 3);
//Zero the last booted FIRM flag
CFG_BOOTENV = 0;
//Reboot
i2cWriteRegister(I2C_DEV_MCU, 0x20, 1 << 2);
while(1);
}
void deleteFirms(const char *firmPaths[], u32 firms)
{
while(firms)

4
source/utils.h
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@ -8,8 +8,6 @@
#include "types.h"
#define CFG_BOOTENV (*(vu32 *)0x10010000)
void configureCFW(const char *configPath, const char *patchedFirms[]);
u32 waitInput(void);
void deleteFirms(const char *firmPaths[], u32 firms);
void error(const char *message);