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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
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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_ll.c \
flashcart/sc64/sc64.c \ flashcart/sc64/sc64.c \
flashcart/ed64/ed64_ll.c \ flashcart/ed64/ed64_ll.c \
flashcart/ed64/ed64_state.c \
flashcart/ed64/ed64.c \ flashcart/ed64/ed64.c \
libs/libspng/spng/spng.c \ libs/libspng/spng/spng.c \
libs/mini.c/src/mini.c \ libs/mini.c/src/mini.c \

225
src/flashcart/ed64/ed64.c
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@ -12,111 +12,79 @@
#include "../flashcart_utils.h" #include "../flashcart_utils.h"
#include "ed64_ll.h" #include "ed64_ll.h"
#include "ed64.h" #include "ed64.h"
#include "ed64_state.h"
// #include "../menu/settings.h"
// This is a trial hack before using the settings API. static ed64_pseudo_writeback_t current_state;
#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
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 // TODO: partly already done, see https://github.com/DragonMinded/libdragon/blob/4ec469d26b6dc4e308caf3d5b86c2b340b708bbd/src/libcart/cart.c#L1064
// FIXME: Update firmware if needed. // FIXME: Update firmware if needed.
// FIXME: Enable RTC if available. // 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. // 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 if (current_state.is_expecting_save_writeback == true) {
f_unlink(strip_sd_prefix(RESET_CHECK_FILE_PATH));
// finds the last save location // make sure next boot doesnt trigger the check changing its state.
FIL lrp_fil; current_state.is_expecting_save_writeback = false;
UINT lrp_br; ed64_state_save(&current_state);
if (f_open(&lrp_fil, strip_sd_prefix(LAST_SAVE_FILE_PATH), FA_READ) != FR_OK) // Now save the content back to the SD card!
{
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!
FIL fil; FIL fil;
UINT br; UINT bw;
uint8_t cartsave_data[KiB(128)]; uint8_t cartsave_data[KiB(128)];
// find the path to last save // 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; return FLASHCART_ERR_LOAD;
} }
// everdrive doesn't care about the save type other than flash sram and eeprom // everdrive doesn't care about the save type other than flash sram and eeprom
// so minus flashram we can just check the size // so minus flashram we can just check the size
if (file_exists(strip_sd_prefix(FLASHRAM_CHECK_FILE_PATH))) if (current_state.is_fram_save_type == true) { // flashram is bugged atm
{ // flashram is bugged atm ed64_ll_get_fram(cartsave_data, save_size);
getFlashRAM(cartsave_data, save_size);
// deletes flag // 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)) else if (save_size > KiB(2)) { // sram
{ // sram ed64_ll_get_sram(cartsave_data, save_size);
getSRAM(cartsave_data, save_size);
} }
else else { // eeprom
{ // eeprom ed64_ll_get_eeprom(cartsave_data, save_size);
getEeprom(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; return FLASHCART_ERR_LOAD;
} }
if (f_close(&fil) != FR_OK) if (f_close(&fil) != FR_OK) {
{
return FLASHCART_ERR_LOAD; 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; return FLASHCART_OK;
} }
static flashcart_err_t ed64_deinit(void) static flashcart_err_t ed64_deinit (void) {
{
// For the moment, just use libCart exit. // For the moment, just use libCart exit.
ed_exit(); ed_exit();
@ -124,10 +92,8 @@ static flashcart_err_t ed64_deinit(void)
return FLASHCART_OK; return FLASHCART_OK;
} }
static bool ed64_has_feature(flashcart_features_t feature) static bool ed64_has_feature (flashcart_features_t feature) {
{ switch (feature) {
switch (feature)
{
case FLASHCART_FEATURE_64DD: case FLASHCART_FEATURE_64DD:
return false; return false;
default: 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; FIL fil;
UINT br; 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; 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. // 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. // 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. // 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); f_close(&fil);
return FLASHCART_ERR_LOAD; return FLASHCART_ERR_LOAD;
} }
if (rom_size == MiB(64)) if (rom_size == MiB(64)) {
{
rom_size -= KiB(128); rom_size -= KiB(128);
} }
@ -169,24 +132,20 @@ static flashcart_err_t ed64_load_rom(char *rom_path, flashcart_progress_callback
for (int offset = 0; offset < sdram_size; offset += chunk_size) for (int offset = 0; offset < sdram_size; offset += chunk_size)
{ {
size_t block_size = MIN(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); f_close(&fil);
return FLASHCART_ERR_LOAD; return FLASHCART_ERR_LOAD;
} }
if (progress) if (progress) {
{
progress(f_tell(&fil) / (float)(f_size(&fil))); progress(f_tell(&fil) / (float)(f_size(&fil)));
} }
} }
/*if (f_tell(&fil) != sdram_size) /*if (f_tell(&fil) != sdram_size) {
{
f_close(&fil); f_close(&fil);
return FLASHCART_ERR_LOAD; return FLASHCART_ERR_LOAD;
}*/ }*/
if (f_close(&fil) != FR_OK) if (f_close(&fil) != FR_OK) {
{
return FLASHCART_ERR_LOAD; return FLASHCART_ERR_LOAD;
} }
@ -198,8 +157,7 @@ static flashcart_err_t ed64_load_file(char *file_path, uint32_t rom_offset, uint
FIL fil; FIL fil;
UINT br; 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; 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. // 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. // 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); f_close(&fil);
return FLASHCART_ERR_ARGS; return FLASHCART_ERR_ARGS;
} }
if (f_lseek(&fil, file_offset) != FR_OK) if (f_lseek(&fil, file_offset) != FR_OK) {
{
f_close(&fil); f_close(&fil);
return FLASHCART_ERR_LOAD; 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); f_close(&fil);
return FLASHCART_ERR_LOAD; return FLASHCART_ERR_LOAD;
} }
if (br != file_size) if (br != file_size) {
{
f_close(&fil); f_close(&fil);
return FLASHCART_ERR_LOAD; return FLASHCART_ERR_LOAD;
} }
if (f_close(&fil) != FR_OK) if (f_close(&fil) != FR_OK) {
{
return FLASHCART_ERR_LOAD; return FLASHCART_ERR_LOAD;
} }
return FLASHCART_OK; 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; FIL fil;
UINT br; 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); f_close(&fil);
return FLASHCART_ERR_LOAD; 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)); size_t save_size = file_get_size(strip_sd_prefix(save_path));
uint8_t cartsave_data[save_size]; 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); f_close(&fil);
return FLASHCART_ERR_LOAD; return FLASHCART_ERR_LOAD;
} }
if (f_close(&fil) != FR_OK) if (f_close(&fil) != FR_OK) {
{
return FLASHCART_ERR_LOAD; return FLASHCART_ERR_LOAD;
} }
current_state.is_fram_save_type = false;
ed64_save_type_t type = ed64_ll_get_save_type(); ed64_save_type_t type = ed64_ll_get_save_type();
switch (type) switch (type) {
{
case SAVE_TYPE_EEPROM_4K: case SAVE_TYPE_EEPROM_4K:
case SAVE_TYPE_EEPROM_16K: case SAVE_TYPE_EEPROM_16K:
setEeprom(cartsave_data, save_size); ed64_ll_set_eeprom(cartsave_data, save_size);
break; break;
case SAVE_TYPE_SRAM: case SAVE_TYPE_SRAM:
case SAVE_TYPE_SRAM_128K: case SAVE_TYPE_SRAM_128K:
setSRAM(cartsave_data, save_size); ed64_ll_set_sram(cartsave_data, save_size);
break; break;
case SAVE_TYPE_FLASHRAM: 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 // 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 // this tells the cart to use flash instead of sram 128 since they are the same size
FIL flashfil; current_state.is_fram_save_type = true;
if (f_open(&flashfil, strip_sd_prefix(FLASHRAM_CHECK_FILE_PATH), FA_CREATE_ALWAYS) != FR_OK) ed64_state_save(&current_state);
{
f_close(&flashfil);
return FLASHCART_ERR_LOAD;
}
if (f_close(&flashfil) != FR_OK)
{
return FLASHCART_OK;
}
break; break;
default: default:
break; break;
} }
FIL lsp_fil; current_state.last_save_path = save_path;
UINT lsp_bw; current_state.is_expecting_save_writeback = true;
ed64_state_save(&current_state);
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;
}
return FLASHCART_OK; 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; ed64_save_type_t type;
switch (save_type) switch (save_type) {
{
case FLASHCART_SAVE_TYPE_NONE: case FLASHCART_SAVE_TYPE_NONE:
type = SAVE_TYPE_NONE; type = SAVE_TYPE_NONE;
break; break;
@ -383,7 +293,6 @@ static flashcart_t flashcart_ed64 = {
.set_save_writeback = NULL, .set_save_writeback = NULL,
}; };
flashcart_t *ed64_get_flashcart(void) flashcart_t *ed64_get_flashcart (void) {
{
return &flashcart_ed64; return &flashcart_ed64;
} }

86
src/flashcart/ed64/ed64_ll.c
View File

@ -24,6 +24,16 @@ typedef enum {
} ed64_registers_t; } 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_EEP_ON 1
#define SAV_SRM_ON 2 #define SAV_SRM_ON 2
@ -44,6 +54,7 @@ uint32_t ed64_ll_reg_read(uint32_t reg) {
*(volatile uint32_t *) (ED64_CONFIG_REGS_BASE); *(volatile uint32_t *) (ED64_CONFIG_REGS_BASE);
return *(volatile uint32_t *) (ED64_CONFIG_REGS_BASE + reg * 4); 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) {
@ -55,9 +66,10 @@ 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; 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) {
@ -116,13 +128,15 @@ void ed64_ll_set_sram_bank(uint8_t bank) {
} }
void PI_Init(void) { void pi_initialize (void) {
dma_wait(); dma_wait();
io_write(PI_STATUS_REG, 0x03); io_write(PI_STATUS_REG, 0x03);
} }
// Inits PI for sram transfer // 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_LAT_REG, 0x05);
io_write(PI_BSD_DOM2_PWD_REG, 0x0C); io_write(PI_BSD_DOM2_PWD_REG, 0x0C);
@ -131,8 +145,7 @@ void PI_Init_SRAM(void) {
} }
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_DRAM_ADDR_REG, K1_TO_PHYS(dest));
io_write(PI_CART_ADDR_REG, (0xA8000000 + offset)); io_write(PI_CART_ADDR_REG, (0xA8000000 + offset));
@ -143,37 +156,44 @@ void PI_DMAFromSRAM(void *dest, unsigned long offset, unsigned long size) {
} }
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(); dma_wait();
io_write(PI_STATUS_REG, 2); io_write(PI_STATUS_REG, 2);
io_write(PI_DRAM_ADDR_REG, K1_TO_PHYS(src)); io_write(PI_DRAM_ADDR_REG, K1_TO_PHYS(src));
io_write(PI_CART_ADDR_REG, (0xA8000000 + offset)); io_write(PI_CART_ADDR_REG, (0xA8000000 + offset));
io_write(PI_RD_LEN_REG, (size - 1)); 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(); dma_wait();
io_write(PI_STATUS_REG, 0x03); io_write(PI_STATUS_REG, 0x03);
io_write(PI_DRAM_ADDR_REG, K1_TO_PHYS(dest)); io_write(PI_DRAM_ADDR_REG, K1_TO_PHYS(dest));
io_write(PI_CART_ADDR_REG, K0_TO_PHYS(src)); io_write(PI_CART_ADDR_REG, K0_TO_PHYS(src));
io_write(PI_WR_LEN_REG, (size - 1)); 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(); dma_wait();
io_write(PI_STATUS_REG, 0x02); io_write(PI_STATUS_REG, 0x02);
io_write(PI_DRAM_ADDR_REG, K1_TO_PHYS(src)); io_write(PI_DRAM_ADDR_REG, K1_TO_PHYS(src));
io_write(PI_CART_ADDR_REG, K0_TO_PHYS(dest)); io_write(PI_CART_ADDR_REG, K0_TO_PHYS(dest));
io_write(PI_RD_LEN_REG, (size - 1)); io_write(PI_RD_LEN_REG, (size - 1));
} }
// Wrapper to support unaligned access to memory // 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; if (!dest || !src || !size) return;
unsigned long unalignedSrc = ((unsigned long)src) % 2; 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? //FIXME: Do i really need to check if size is 16bit aligned?
if (!unalignedDest && !unalignedSrc && !(size % 2)) { if (!unalignedDest && !unalignedSrc && !(size % 2)) {
PI_DMAFromCart(dest, src, size); pi_dma_from_cart(dest, src, size);
dma_wait(); dma_wait();
return; return;
@ -191,16 +211,18 @@ void PI_SafeDMAFromCart(void *dest, void *src, unsigned long size) {
unsigned long newSize = (size + unalignedSrc) + ((size + unalignedSrc) % 2); unsigned long newSize = (size + unalignedSrc) + ((size + unalignedSrc) % 2);
unsigned char *buffer = memalign(8, newSize); unsigned char *buffer = memalign(8, newSize);
PI_DMAFromCart(buffer, newSrc, newSize); pi_dma_from_cart(buffer, newSrc, newSize);
dma_wait(); dma_wait();
memcpy(dest, (buffer + unalignedSrc), size); memcpy(dest, (buffer + unalignedSrc), size);
free(buffer); free(buffer);
} }
int getSRAM( uint8_t *buffer, int size){ int ed64_ll_get_sram (uint8_t *buffer, int size) {
dma_wait(); dma_wait();
io_write(PI_BSD_DOM2_LAT_REG, 0x05); io_write(PI_BSD_DOM2_LAT_REG, 0x05);
@ -210,11 +232,11 @@ int getSRAM( uint8_t *buffer, int size){
dma_wait(); dma_wait();
PI_Init(); pi_initialize();
dma_wait(); dma_wait();
PI_DMAFromSRAM(buffer, 0, size) ; pi_dma_from_sram(buffer, 0, size) ;
dma_wait(); dma_wait();
@ -224,82 +246,93 @@ int getSRAM( uint8_t *buffer, int size){
io_write(PI_BSD_DOM2_RLS_REG, 0x03); io_write(PI_BSD_DOM2_RLS_REG, 0x03);
return 1; return 1;
} }
int getEeprom( uint8_t *buffer, int size){ int ed64_ll_get_eeprom (uint8_t *buffer, int size) {
int blocks=size/8; int blocks=size/8;
for( int b = 0; b < blocks; b++ ) { for( int b = 0; b < blocks; b++ ) {
eeprom_read( b, &buffer[b * 8] ); eeprom_read( b, &buffer[b * 8] );
} }
return 1; 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 ed64_ll_set_save_type(SAVE_TYPE_SRAM_128K); //2
dma_wait(); dma_wait();
getSRAM(buffer, size); ed64_ll_get_sram(buffer, size);
data_cache_hit_writeback_invalidate(buffer, size); data_cache_hit_writeback_invalidate(buffer, size);
dma_wait(); dma_wait();
ed64_ll_set_save_type(SAVE_TYPE_FLASHRAM); ed64_ll_set_save_type(SAVE_TYPE_FLASHRAM);
return 1; return 1;
} }
/* /*
sram upload sram upload
*/ */
int setSRAM( uint8_t *buffer, int size){ int ed64_ll_set_sram (uint8_t *buffer, int size) {
//half working //half working
dma_wait(); dma_wait();
//Timing //Timing
PI_Init_SRAM(); pi_initialize_sram();
//Readmode //Readmode
PI_Init(); pi_initialize();
data_cache_hit_writeback_invalidate(buffer,size); data_cache_hit_writeback_invalidate(buffer,size);
dma_wait(); dma_wait();
PI_DMAToSRAM(buffer, 0, size); pi_dma_to_sram(buffer, 0, size);
data_cache_hit_writeback_invalidate(buffer,size); data_cache_hit_writeback_invalidate(buffer,size);
//Wait //Wait
dma_wait(); dma_wait();
//Restore evd Timing //Restore evd Timing
setSDTiming(); ed64_ll_set_sdcard_timing();
return 1; return 1;
} }
int setEeprom(uint8_t *buffer, int size){ int ed64_ll_set_eeprom (uint8_t *buffer, int size) {
int blocks=size/8; int blocks=size/8;
for( int b = 0; b < blocks; b++ ) { for( int b = 0; b < blocks; b++ ) {
eeprom_write( b, &buffer[b * 8] ); eeprom_write( b, &buffer[b * 8] );
} }
return 1; 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); ed64_ll_set_save_type(SAVE_TYPE_SRAM_128K);
dma_wait(); dma_wait();
setSRAM(buffer, size); ed64_ll_set_sram(buffer, size);
data_cache_hit_writeback_invalidate(buffer, size); data_cache_hit_writeback_invalidate(buffer, size);
dma_wait(); dma_wait();
ed64_ll_set_save_type(SAVE_TYPE_FLASHRAM); ed64_ll_set_save_type(SAVE_TYPE_FLASHRAM);
return 1; 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_LAT_REG, 0x40);
io_write(PI_BSD_DOM1_PWD_REG, 0x12); 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_PWD_REG, 0x12);
io_write(PI_BSD_DOM2_PGS_REG, 0x07); io_write(PI_BSD_DOM2_PGS_REG, 0x07);
io_write(PI_BSD_DOM2_RLS_REG, 0x03); io_write(PI_BSD_DOM2_RLS_REG, 0x03);
} }

36
src/flashcart/ed64/ed64_ll.h
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@ -65,35 +65,17 @@ typedef enum {
#define ROM_ADDRESS (0xB0000000) #define ROM_ADDRESS (0xB0000000)
/* Save functions */ /* Save functions */
void ed64_ll_set_ram_bank(uint8_t bank); void ed64_ll_set_sram_bank (uint8_t bank);
ed64_save_type_t ed64_ll_get_save_type (); ed64_save_type_t ed64_ll_get_save_type ();
void ed64_ll_set_save_type (ed64_save_type_t 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 */ /** @} */ /* 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 #endif

42
src/flashcart/ed64/ed64_state.c Normal file
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@ -0,0 +1,42 @@
#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);
}

24
src/flashcart/ed64/ed64_state.h Normal file
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@ -0,0 +1,24 @@
/**
* @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 <string.h>
#include <libcart/cart.h>
#include <libdragon.h> #include <libdragon.h>
#include "cart_load.h" #include "cart_load.h"