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Merge pull request #1 from networkfusion/aria-pr-improvemnets

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Improve code style
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ariahiro64 2023-10-21 01:09:26 -04:00 committed by GitHub
commit 9bcfface78
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7 changed files with 217 additions and 226 deletions
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1
Makefile
View File

@ -24,6 +24,7 @@ SRCS = \
flashcart/sc64/sc64_ll.c \
flashcart/sc64/sc64.c \
flashcart/ed64/ed64_ll.c \
flashcart/ed64/ed64_state.c \
flashcart/ed64/ed64.c \
libs/libspng/spng/spng.c \
libs/mini.c/src/mini.c \

229
src/flashcart/ed64/ed64.c
View File

@ -12,111 +12,79 @@
#include "../flashcart_utils.h"
#include "ed64_ll.h"
#include "ed64.h"
#include "ed64_state.h"
// #include "../menu/settings.h"
// This is a trial hack before using the settings API.
#ifndef LAST_SAVE_FILE_PATH
#define LAST_SAVE_FILE_PATH "/menu/last_rom.txt"
#endif
#ifndef RESET_CHECK_FILE_PATH
#define RESET_CHECK_FILE_PATH "/menu/RESET"
#endif
#ifndef FLASHRAM_CHECK_FILE_PATH
#define FLASHRAM_CHECK_FILE_PATH "/menu/FLASHRAM"
#endif
static ed64_pseudo_writeback_t current_state;
extern int ed_exit(void);
extern int ed_exit (void);
static flashcart_err_t ed64_init (void) {
static flashcart_err_t ed64_init(void)
{
// TODO: partly already done, see https://github.com/DragonMinded/libdragon/blob/4ec469d26b6dc4e308caf3d5b86c2b340b708bbd/src/libcart/cart.c#L1064
// FIXME: Update firmware if needed.
// FIXME: Enable RTC if available.
// older everdrives cant save during gameplay so we need to the reset method.
// older everdrives cannot save during gameplay so we need to the reset method.
// works by checking if a file exists.
if (file_exists(strip_sd_prefix(RESET_CHECK_FILE_PATH)))
{
ed64_state_load(&current_state);
// make sure next boot doesnt trigger the check by deleting the reset file
f_unlink(strip_sd_prefix(RESET_CHECK_FILE_PATH));
if (current_state.is_expecting_save_writeback == true) {
// finds the last save location
FIL lrp_fil;
UINT lrp_br;
// make sure next boot doesnt trigger the check changing its state.
current_state.is_expecting_save_writeback = false;
ed64_state_save(&current_state);
if (f_open(&lrp_fil, strip_sd_prefix(LAST_SAVE_FILE_PATH), FA_READ) != FR_OK)
{
return FLASHCART_ERR_LOAD;
}
int lrp_size = f_size(&lrp_fil);
TCHAR lrp_path[lrp_size++];
if (f_read(&lrp_fil, lrp_path, lrp_size, &lrp_br) != FR_OK)
{
f_close(&lrp_fil);
return FLASHCART_ERR_LOAD;
}
if (f_close(&lrp_fil) != FR_OK)
{
return FLASHCART_ERR_LOAD;
}
// Now save the content back to the SD!
// Now save the content back to the SD card!
FIL fil;
UINT br;
UINT bw;
uint8_t cartsave_data[KiB(128)];
// find the path to last save
if (file_exists(strip_sd_prefix(lrp_path)))
{
if (file_exists(strip_sd_prefix(current_state.last_save_path))) {
int save_size = file_get_size(strip_sd_prefix(lrp_path));
int save_size = file_get_size(strip_sd_prefix(current_state.last_save_path));
if ((f_open(&fil, strip_sd_prefix(lrp_path), FA_CREATE_ALWAYS | FA_READ | FA_WRITE)) != FR_OK)
{
if ((f_open(&fil, strip_sd_prefix(current_state.last_save_path), FA_CREATE_ALWAYS | FA_READ | FA_WRITE)) != FR_OK) {
return FLASHCART_ERR_LOAD;
}
// everdrive doesn't care about the save type other than flash sram and eeprom
// so minus flashram we can just check the size
if (file_exists(strip_sd_prefix(FLASHRAM_CHECK_FILE_PATH)))
{ // flashram is bugged atm
getFlashRAM(cartsave_data, save_size);
if (current_state.is_fram_save_type == true) { // flashram is bugged atm
ed64_ll_get_fram(cartsave_data, save_size);
// deletes flag
f_unlink(strip_sd_prefix(FLASHRAM_CHECK_FILE_PATH));
current_state.is_fram_save_type = false;
ed64_state_save(&current_state);
}
else if (save_size > KiB(2))
{ // sram
getSRAM(cartsave_data, save_size);
else if (save_size > KiB(2)) { // sram
ed64_ll_get_sram(cartsave_data, save_size);
}
else
{ // eeprom
getEeprom(cartsave_data, save_size);
else { // eeprom
ed64_ll_get_eeprom(cartsave_data, save_size);
}
if (f_write(&fil, cartsave_data, save_size, &br) != FR_OK)
{
if (f_write(&fil, cartsave_data, save_size, &bw) != FR_OK) {
return FLASHCART_ERR_LOAD;
}
if (f_close(&fil) != FR_OK)
{
if (f_close(&fil) != FR_OK) {
return FLASHCART_ERR_LOAD;
}
}
else {
current_state.is_expecting_save_writeback = false;
current_state.is_fram_save_type = false;
current_state.last_save_path = "";
ed64_state_save(&current_state);
}
}
return FLASHCART_OK;
}
static flashcart_err_t ed64_deinit(void)
{
static flashcart_err_t ed64_deinit (void) {
// For the moment, just use libCart exit.
ed_exit();
@ -124,10 +92,8 @@ static flashcart_err_t ed64_deinit(void)
return FLASHCART_OK;
}
static bool ed64_has_feature(flashcart_features_t feature)
{
switch (feature)
{
static bool ed64_has_feature (flashcart_features_t feature) {
switch (feature) {
case FLASHCART_FEATURE_64DD:
return false;
default:
@ -135,13 +101,12 @@ static bool ed64_has_feature(flashcart_features_t feature)
}
}
static flashcart_err_t ed64_load_rom(char *rom_path, flashcart_progress_callback_t *progress)
{
static flashcart_err_t ed64_load_rom (char *rom_path, flashcart_progress_callback_t *progress) {
FIL fil;
UINT br;
if (f_open(&fil, strip_sd_prefix(rom_path), FA_READ) != FR_OK)
{
if (f_open(&fil, strip_sd_prefix(rom_path), FA_READ) != FR_OK) {
return FLASHCART_ERR_LOAD;
}
@ -152,14 +117,12 @@ static flashcart_err_t ed64_load_rom(char *rom_path, flashcart_progress_callback
// FIXME: if the cart is not V3 or X5 or X7, we need probably need to - 128KiB for save compatibility.
// Or somehow warn that certain ROM's will have corruption due to the address space being used for saves.
// Conker's Bad Fur Day doesn't have this issue because eeprom data is at a fixed address in pif ram.
if (rom_size > MiB(64))
{
if (rom_size > MiB(64)) {
f_close(&fil);
return FLASHCART_ERR_LOAD;
}
if (rom_size == MiB(64))
{
if (rom_size == MiB(64)) {
rom_size -= KiB(128);
}
@ -169,37 +132,32 @@ static flashcart_err_t ed64_load_rom(char *rom_path, flashcart_progress_callback
for (int offset = 0; offset < sdram_size; offset += chunk_size)
{
size_t block_size = MIN(sdram_size - offset, chunk_size);
if (f_read(&fil, (void *)(ROM_ADDRESS + offset), block_size, &br) != FR_OK)
{
if (f_read(&fil, (void *)(ROM_ADDRESS + offset), block_size, &br) != FR_OK) {
f_close(&fil);
return FLASHCART_ERR_LOAD;
}
if (progress)
{
if (progress) {
progress(f_tell(&fil) / (float)(f_size(&fil)));
}
}
/*if (f_tell(&fil) != sdram_size)
{
/*if (f_tell(&fil) != sdram_size) {
f_close(&fil);
return FLASHCART_ERR_LOAD;
}*/
if (f_close(&fil) != FR_OK)
{
if (f_close(&fil) != FR_OK) {
return FLASHCART_ERR_LOAD;
}
return FLASHCART_OK;
}
static flashcart_err_t ed64_load_file(char *file_path, uint32_t rom_offset, uint32_t file_offset)
static flashcart_err_t ed64_load_file (char *file_path, uint32_t rom_offset, uint32_t file_offset)
{
FIL fil;
UINT br;
if (f_open(&fil, strip_sd_prefix(file_path), FA_READ) != FR_OK)
{
if (f_open(&fil, strip_sd_prefix(file_path), FA_READ) != FR_OK) {
return FLASHCART_ERR_LOAD;
}
@ -210,45 +168,38 @@ static flashcart_err_t ed64_load_file(char *file_path, uint32_t rom_offset, uint
// FIXME: if the cart is not V3 or X5 or X7, we need probably need to - 128KiB for save compatibility.
// Or somehow warn that certain ROM's will have corruption due to the address space being used for saves.
if (file_size > (MiB(64) - rom_offset))
{
if (file_size > (MiB(64) - rom_offset)) {
f_close(&fil);
return FLASHCART_ERR_ARGS;
}
if (f_lseek(&fil, file_offset) != FR_OK)
{
if (f_lseek(&fil, file_offset) != FR_OK) {
f_close(&fil);
return FLASHCART_ERR_LOAD;
}
if (f_read(&fil, (void *)(ROM_ADDRESS + rom_offset), file_size, &br) != FR_OK)
{
if (f_read(&fil, (void *)(ROM_ADDRESS + rom_offset), file_size, &br) != FR_OK) {
f_close(&fil);
return FLASHCART_ERR_LOAD;
}
if (br != file_size)
{
if (br != file_size) {
f_close(&fil);
return FLASHCART_ERR_LOAD;
}
if (f_close(&fil) != FR_OK)
{
if (f_close(&fil) != FR_OK) {
return FLASHCART_ERR_LOAD;
}
return FLASHCART_OK;
}
static flashcart_err_t ed64_load_save(char *save_path)
{
static flashcart_err_t ed64_load_save (char *save_path) {
FIL fil;
UINT br;
if (f_open(&fil, strip_sd_prefix(save_path), FA_READ) != FR_OK)
{
if (f_open(&fil, strip_sd_prefix(save_path), FA_READ) != FR_OK) {
f_close(&fil);
return FLASHCART_ERR_LOAD;
}
@ -256,91 +207,50 @@ static flashcart_err_t ed64_load_save(char *save_path)
size_t save_size = file_get_size(strip_sd_prefix(save_path));
uint8_t cartsave_data[save_size];
if (f_read(&fil, cartsave_data, save_size, &br) != FR_OK)
{
if (f_read(&fil, cartsave_data, save_size, &br) != FR_OK) {
f_close(&fil);
return FLASHCART_ERR_LOAD;
}
if (f_close(&fil) != FR_OK)
{
if (f_close(&fil) != FR_OK) {
return FLASHCART_ERR_LOAD;
}
current_state.is_fram_save_type = false;
ed64_save_type_t type = ed64_ll_get_save_type();
switch (type)
{
switch (type) {
case SAVE_TYPE_EEPROM_4K:
case SAVE_TYPE_EEPROM_16K:
setEeprom(cartsave_data, save_size);
ed64_ll_set_eeprom(cartsave_data, save_size);
break;
case SAVE_TYPE_SRAM:
case SAVE_TYPE_SRAM_128K:
setSRAM(cartsave_data, save_size);
ed64_ll_set_sram(cartsave_data, save_size);
break;
case SAVE_TYPE_FLASHRAM:
setFlashRAM(cartsave_data, save_size);
ed64_ll_set_fram(cartsave_data, save_size);
// a cold and warm boot has no way of seeing save types and most types can be determined by size
// this tells the cart to use flash instead of sram 128 since they are the same size
FIL flashfil;
if (f_open(&flashfil, strip_sd_prefix(FLASHRAM_CHECK_FILE_PATH), FA_CREATE_ALWAYS) != FR_OK)
{
f_close(&flashfil);
return FLASHCART_ERR_LOAD;
}
if (f_close(&flashfil) != FR_OK)
{
return FLASHCART_OK;
}
current_state.is_fram_save_type = true;
ed64_state_save(&current_state);
break;
default:
break;
}
FIL lsp_fil;
UINT lsp_bw;
if (f_open(&lsp_fil, strip_sd_prefix(LAST_SAVE_FILE_PATH), FA_WRITE | FA_CREATE_ALWAYS) != FR_OK)
{
return FLASHCART_ERR_LOAD;
}
if (f_write(&lsp_fil, strip_sd_prefix(save_path), strlen(save_path), &lsp_bw) != FR_OK)
{
f_close(&lsp_fil);
return FLASHCART_ERR_LOAD;
}
if (f_close(&lsp_fil) != FR_OK)
{
return FLASHCART_ERR_LOAD;
}
FIL rsfil;
// simulate a unix touch command to create a file as it only needs to exist to detect a reset
if (f_open(&rsfil, strip_sd_prefix(RESET_CHECK_FILE_PATH), FA_CREATE_ALWAYS) != FR_OK)
{
f_close(&rsfil);
return FLASHCART_ERR_LOAD;
}
if (f_close(&rsfil) != FR_OK)
{
return FLASHCART_OK;
}
current_state.last_save_path = save_path;
current_state.is_expecting_save_writeback = true;
ed64_state_save(&current_state);
return FLASHCART_OK;
}
static flashcart_err_t ed64_set_save_type(flashcart_save_type_t save_type)
{
static flashcart_err_t ed64_set_save_type (flashcart_save_type_t save_type) {
ed64_save_type_t type;
switch (save_type)
{
switch (save_type) {
case FLASHCART_SAVE_TYPE_NONE:
type = SAVE_TYPE_NONE;
break;
@ -383,7 +293,6 @@ static flashcart_t flashcart_ed64 = {
.set_save_writeback = NULL,
};
flashcart_t *ed64_get_flashcart(void)
{
flashcart_t *ed64_get_flashcart (void) {
return &flashcart_ed64;
}

106
src/flashcart/ed64/ed64_ll.c
View File

@ -24,6 +24,16 @@ typedef enum {
} ed64_registers_t;
void pi_initialize (void);
void pi_initialize_sram (void);
void pi_dma_from_cart (void* dest, void* src, unsigned long size);
void pi_dma_to_cart (void* dest, void* src, unsigned long size);
void pi_dma_from_sram (void *dest, unsigned long offset, unsigned long size);
void pi_dma_to_sram (void* src, unsigned long offset, unsigned long size);
void pi_dma_from_cart_safe (void *dest, void *src, unsigned long size);
void ed64_ll_set_sdcard_timing (void);
#define SAV_EEP_ON 1
#define SAV_SRM_ON 2
@ -33,20 +43,21 @@ typedef enum {
#define SAV_RAM_BANK 128
#define SAV_RAM_BANK_APPLY 32768
uint32_t ed64_ll_reg_read(uint32_t reg);
void ed64_ll_reg_write(uint32_t reg, uint32_t data);
uint32_t ed64_ll_reg_read (uint32_t reg);
void ed64_ll_reg_write (uint32_t reg, uint32_t data);
uint8_t ed64_ll_sram_bank;
ed64_save_type_t ed64_ll_save_type;
uint32_t ed64_ll_reg_read(uint32_t reg) {
uint32_t ed64_ll_reg_read (uint32_t reg) {
*(volatile uint32_t *) (ED64_CONFIG_REGS_BASE);
return *(volatile uint32_t *) (ED64_CONFIG_REGS_BASE + reg * 4);
}
void ed64_ll_reg_write(uint32_t reg, uint32_t data) {
void ed64_ll_reg_write (uint32_t reg, uint32_t data) {
*(volatile uint32_t *) (ED64_CONFIG_REGS_BASE);
*(volatile uint32_t *) (ED64_CONFIG_REGS_BASE + reg * 4) = data;
@ -55,12 +66,13 @@ void ed64_ll_reg_write(uint32_t reg, uint32_t data) {
}
ed64_save_type_t ed64_ll_get_save_type() {
ed64_save_type_t ed64_ll_get_save_type (void) {
return ed64_ll_save_type;
}
void ed64_ll_set_save_type(ed64_save_type_t type) {
void ed64_ll_set_save_type (ed64_save_type_t type) {
uint16_t save_cfg;
uint8_t eeprom_on, sram_on, eeprom_size, sram_size, ram_bank;
@ -109,71 +121,79 @@ void ed64_ll_set_save_type(ed64_save_type_t type) {
}
void ed64_ll_set_sram_bank(uint8_t bank) {
void ed64_ll_set_sram_bank (uint8_t bank) {
ed64_ll_sram_bank = bank == 0 ? 0 : 1;
}
void PI_Init(void) {
void pi_initialize (void) {
dma_wait();
io_write(PI_STATUS_REG, 0x03);
}
// Inits PI for sram transfer
void PI_Init_SRAM(void) {
void pi_initialize_sram (void) {
io_write(PI_BSD_DOM2_LAT_REG, 0x05);
io_write(PI_BSD_DOM2_PWD_REG, 0x0C);
io_write(PI_BSD_DOM2_PGS_REG, 0x0D);
io_write(PI_BSD_DOM2_RLS_REG, 0x02);
}
void PI_DMAFromSRAM(void *dest, unsigned long offset, unsigned long size) {
void pi_dma_from_sram (void *dest, unsigned long offset, unsigned long size) {
io_write(PI_DRAM_ADDR_REG, K1_TO_PHYS(dest));
io_write(PI_CART_ADDR_REG, (0xA8000000 + offset));
asm volatile ("" : : : "memory");
io_write(PI_WR_LEN_REG, (size - 1));
asm volatile ("" : : : "memory");
}
void PI_DMAToSRAM(void *src, unsigned long offset, unsigned long size) { //void*
void pi_dma_to_sram (void *src, unsigned long offset, unsigned long size) {
dma_wait();
io_write(PI_STATUS_REG, 2);
io_write(PI_DRAM_ADDR_REG, K1_TO_PHYS(src));
io_write(PI_CART_ADDR_REG, (0xA8000000 + offset));
io_write(PI_RD_LEN_REG, (size - 1));
}
void PI_DMAFromCart(void* dest, void* src, unsigned long size) {
void pi_dma_from_cart (void* dest, void* src, unsigned long size) {
dma_wait();
io_write(PI_STATUS_REG, 0x03);
io_write(PI_DRAM_ADDR_REG, K1_TO_PHYS(dest));
io_write(PI_CART_ADDR_REG, K0_TO_PHYS(src));
io_write(PI_WR_LEN_REG, (size - 1));
}
void PI_DMAToCart(void* dest, void* src, unsigned long size) {
void pi_dma_to_cart (void* dest, void* src, unsigned long size) {
dma_wait();
io_write(PI_STATUS_REG, 0x02);
io_write(PI_DRAM_ADDR_REG, K1_TO_PHYS(src));
io_write(PI_CART_ADDR_REG, K0_TO_PHYS(dest));
io_write(PI_RD_LEN_REG, (size - 1));
}
// Wrapper to support unaligned access to memory
void PI_SafeDMAFromCart(void *dest, void *src, unsigned long size) {
void pi_dma_from_cart_safe (void *dest, void *src, unsigned long size) {
if (!dest || !src || !size) return;
unsigned long unalignedSrc = ((unsigned long)src) % 2;
@ -181,7 +201,7 @@ void PI_SafeDMAFromCart(void *dest, void *src, unsigned long size) {
//FIXME: Do i really need to check if size is 16bit aligned?
if (!unalignedDest && !unalignedSrc && !(size % 2)) {
PI_DMAFromCart(dest, src, size);
pi_dma_from_cart(dest, src, size);
dma_wait();
return;
@ -191,16 +211,18 @@ void PI_SafeDMAFromCart(void *dest, void *src, unsigned long size) {
unsigned long newSize = (size + unalignedSrc) + ((size + unalignedSrc) % 2);
unsigned char *buffer = memalign(8, newSize);
PI_DMAFromCart(buffer, newSrc, newSize);
pi_dma_from_cart(buffer, newSrc, newSize);
dma_wait();
memcpy(dest, (buffer + unalignedSrc), size);
free(buffer);
}
int getSRAM( uint8_t *buffer, int size){
int ed64_ll_get_sram (uint8_t *buffer, int size) {
dma_wait();
io_write(PI_BSD_DOM2_LAT_REG, 0x05);
@ -210,11 +232,11 @@ int getSRAM( uint8_t *buffer, int size){
dma_wait();
PI_Init();
pi_initialize();
dma_wait();
PI_DMAFromSRAM(buffer, 0, size) ;
pi_dma_from_sram(buffer, 0, size) ;
dma_wait();
@ -224,82 +246,93 @@ int getSRAM( uint8_t *buffer, int size){
io_write(PI_BSD_DOM2_RLS_REG, 0x03);
return 1;
}
int getEeprom( uint8_t *buffer, int size){
int ed64_ll_get_eeprom (uint8_t *buffer, int size) {
int blocks=size/8;
for( int b = 0; b < blocks; b++ ) {
eeprom_read( b, &buffer[b * 8] );
}
return 1;
}
int getFlashRAM( uint8_t *buffer, int size){
int ed64_ll_get_fram (uint8_t *buffer, int size) {
ed64_ll_set_save_type(SAVE_TYPE_SRAM_128K); //2
dma_wait();
getSRAM(buffer, size);
ed64_ll_get_sram(buffer, size);
data_cache_hit_writeback_invalidate(buffer, size);
dma_wait();
ed64_ll_set_save_type(SAVE_TYPE_FLASHRAM);
return 1;
}
/*
sram upload
*/
int setSRAM( uint8_t *buffer, int size){
//half working
int ed64_ll_set_sram (uint8_t *buffer, int size) {
//half working
dma_wait();
//Timing
PI_Init_SRAM();
pi_initialize_sram();
//Readmode
PI_Init();
pi_initialize();
data_cache_hit_writeback_invalidate(buffer,size);
dma_wait();
PI_DMAToSRAM(buffer, 0, size);
pi_dma_to_sram(buffer, 0, size);
data_cache_hit_writeback_invalidate(buffer,size);
//Wait
dma_wait();
//Restore evd Timing
setSDTiming();
ed64_ll_set_sdcard_timing();
return 1;
}
int setEeprom(uint8_t *buffer, int size){
int ed64_ll_set_eeprom (uint8_t *buffer, int size) {
int blocks=size/8;
for( int b = 0; b < blocks; b++ ) {
eeprom_write( b, &buffer[b * 8] );
}
return 1;
}
int setFlashRAM(uint8_t *buffer, int size){
int ed64_ll_set_fram (uint8_t *buffer, int size) {
ed64_ll_set_save_type(SAVE_TYPE_SRAM_128K);
dma_wait();
setSRAM(buffer, size);
ed64_ll_set_sram(buffer, size);
data_cache_hit_writeback_invalidate(buffer, size);
dma_wait();
ed64_ll_set_save_type(SAVE_TYPE_FLASHRAM);
return 1;
}
void setSDTiming(void){
void ed64_ll_set_sdcard_timing (void) {
io_write(PI_BSD_DOM1_LAT_REG, 0x40);
io_write(PI_BSD_DOM1_PWD_REG, 0x12);
@ -310,4 +343,5 @@ void setSDTiming(void){
io_write(PI_BSD_DOM2_PWD_REG, 0x12);
io_write(PI_BSD_DOM2_PGS_REG, 0x07);
io_write(PI_BSD_DOM2_RLS_REG, 0x03);
}

40
src/flashcart/ed64/ed64_ll.h
View File

@ -65,35 +65,17 @@ typedef enum {
#define ROM_ADDRESS (0xB0000000)
/* Save functions */
void ed64_ll_set_ram_bank(uint8_t bank);
ed64_save_type_t ed64_ll_get_save_type();
void ed64_ll_set_save_type(ed64_save_type_t type);
void ed64_ll_set_sram_bank (uint8_t bank);
ed64_save_type_t ed64_ll_get_save_type ();
void ed64_ll_set_save_type (ed64_save_type_t type);
int ed64_ll_get_sram (uint8_t *buffer, int size);
int ed64_ll_get_eeprom (uint8_t *buffer, int size);
int ed64_ll_get_fram (uint8_t *buffer, int size);
int ed64_ll_set_sram (uint8_t *buffer, int size);
int ed64_ll_set_eeprom (uint8_t *buffer, int size);
int ed64_ll_set_fram (uint8_t *buffer, int size);
/** @} */ /* ed64 */
void data_cache_hit_writeback_invalidate(volatile void *, unsigned long);
unsigned int CRC_Calculate(unsigned int crc, unsigned char* buf, unsigned int len);
void dma_write_sram(void* src, unsigned long offset, unsigned long size);
void dma_read_sram(void *dest, unsigned long offset, unsigned long size);
void dma_write_s(void * ram_address, unsigned long pi_address, unsigned long len);
void dma_read_s(void * ram_address, unsigned long pi_address, unsigned long len);
int writeSram(void* src, unsigned long size);
void setSDTiming(void);
void PI_Init(void);
void PI_Init_SRAM(void);
void PI_DMAFromCart(void* dest, void* src, unsigned long size);
void PI_DMAToCart(void* dest, void* src, unsigned long size);
void PI_DMAFromSRAM(void *dest, unsigned long offset, unsigned long size);
void PI_DMAToSRAM(void* src, unsigned long offset, unsigned long size);
void PI_SafeDMAFromCart(void *dest, void *src, unsigned long size);
int getSRAM( uint8_t *buffer, int size);
int getEeprom( uint8_t *buffer, int size);
int getFlashRAM( uint8_t *buffer, int size);
int setSRAM( uint8_t *buffer, int size);
int setEeprom( uint8_t *buffer, int size);
int setFlashRAM( uint8_t *buffer, int size);
#endif

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src/flashcart/ed64/ed64_state.c Normal file
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#include <libdragon.h>
#include <mini.c/src/mini.h>
#include "ed64_state.h"
#include "utils/fs.h"
#ifndef ED64_STATE_FILE_PATH
#define ED64_STATE_FILE_PATH "sd:/menu/ed64_state.ini"
#endif
static ed64_pseudo_writeback_t init = {
.is_expecting_save_writeback = false,
.is_fram_save_type = false,
.last_save_path = ""
};
void ed64_state_load (ed64_pseudo_writeback_t *state) {
if (!file_exists(ED64_STATE_FILE_PATH)) {
ed64_state_save(&init);
}
mini_t *ini = mini_try_load(ED64_STATE_FILE_PATH);
state->is_expecting_save_writeback = mini_get_bool(ini, "ed64", "is_expecting_save_writeback", init.is_expecting_save_writeback);
state->is_fram_save_type = mini_get_bool(ini, "ed64", "is_fram_save_type", init.is_fram_save_type);
state->last_save_path = strdup(mini_get_string(ini, "ed64", "last_save_path", init.last_save_path));
mini_free(ini);
}
void ed64_state_save (ed64_pseudo_writeback_t *state) {
mini_t *ini = mini_create(ED64_STATE_FILE_PATH);
mini_set_bool(ini, "ed64", "is_expecting_save_writeback", state->is_expecting_save_writeback);
mini_set_bool(ini, "ed64", "is_fram_save_type", state->is_fram_save_type);
mini_set_string(ini, "ed64", "last_save_path", state->last_save_path);
mini_save(ini);
mini_free(ini);
}

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src/flashcart/ed64/ed64_state.h Normal file
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/**
* @file e664_state.h
* @brief ED64 state
* @ingroup flashcart
*/
#ifndef FLASHCART_ED64_STATE_H__
#define FLASHCART_ED64_STATE_H__
/** @brief ED64 Pseudo Writeback Structure */
typedef struct {
/** @brief The reset button was used */
bool is_expecting_save_writeback;
/** @brief The last save type was flash ram */
bool is_fram_save_type;
/** @brief The path to the last loaded ROM */
char *last_save_path;
} ed64_pseudo_writeback_t;
void ed64_state_load (ed64_pseudo_writeback_t *state);
void ed64_state_save (ed64_pseudo_writeback_t *state);
#endif

1
src/menu/cart_load.c
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@ -1,6 +1,5 @@
#include <string.h>
#include <libcart/cart.h>
#include <libdragon.h>
#include "cart_load.h"