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Add a tool to dump cart metadata

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Godzil 2019-09-12 17:54:27 +01:00
parent b2b066ba22
commit 08132a1fd7
2 changed files with 110 additions and 1 deletions
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5
oswan/Makefile
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@ -14,7 +14,7 @@ OBJS = $(wonderswan_CXX_SRCS:.cpp=.o)
all: wonderswan
all: wonderswan dumpinfo
CXX = g++
CXXFLAGS = -g -O2 `sdl-config --cflags` -Wall -Werror -std=c++98 -Wno-write-strings
@ -52,5 +52,8 @@ $(EXTRASUBDIRS:%=%/__clean__): dummy
clean:: $(SUBDIRS:%=%/__clean__) $(EXTRASUBDIRS:%=%/__clean__)
$(RM) $(CLEAN_FILES) $(RC_SRCS:.rc=.res) $(OBJS) $(EXES:%.exe=%) $(EXES:%=%.so) $(EXES:%=%.spec.o) $(DLLS:%=%.so) $(DLLS:%=%.spec.o)
dumpinfo: dumpinfo.o
$(CXX) $(LIBS) -o $@ $(<)
wonderswan: $(OBJS)
$(CXX) $(LIBS) -o $@ $(OBJS) -laudio

106
oswan/dumpinfo.c Normal file
View File

@ -0,0 +1,106 @@
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
char *load_file(char *filename, uint32_t *fileSize)
{
int fd;
char *ret_ptr;
struct stat FileStat;
fd = open(filename, O_RDWR);
fstat(fd, &FileStat);
ret_ptr = (char *)mmap(NULL, FileStat.st_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
*fileSize = FileStat.st_size;
close(fd);
if (ret_ptr == MAP_FAILED)
{
ret_ptr = NULL;
}
return ret_ptr;
}
#pragma pack(1)
struct cart_metadata
{
uint8_t farjump[5];
uint8_t flagExt;
uint8_t publishId;
uint8_t gameId[2];
uint8_t flags2;
uint8_t romInfo;
uint8_t saveInfo;
uint16_t flags;
uint16_t crc;
};
#pragma pack()
int main(int argc, char *argv[])
{
char *content;
uint32_t size;
struct cart_metadata *data;
int ret = -1;
if (argc != 2)
{
printf("Usage: %s file.ws[c]\n", argv[0]);
}
else
{
content = load_file(argv[1], &size);
if (content != NULL)
{
data = (struct cart_metadata*)&(content[size - sizeof(struct cart_metadata)]);
printf("%s:\n", argv[1]);
if (data->farjump[0] == 0xEA)
{
printf("[%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x]",
data->publishId, data->gameId[0], data->gameId[1], data->flags2, data->romInfo, data->saveInfo,
data->flags & 0xFF, (data->flags>>8) & 0xFF, data->crc & 0xFF, (data->crc>>8) & 0xFF);
printf(" - Reset @ %02X%02X:%02X%02Xh\n",
data->farjump[4], data->farjump[3],
data->farjump[2], data->farjump[1]);
printf(" - publisher: %02X, gameId: %01X%02X\n", data->publishId, data->gameId[0], data->gameId[1]);
printf(" - %s want to write to EEPROM\n", data->flags2&0x80?"Do":"Do not");
printf(" - %s user defined bootsplash\n", data->flagExt&0x80?"Dissallow":"Allow");
printf(" - Is %sbootable on a normal swan\n", data->flagExt&0x0F?"not ":"");
printf(" - ROM Size: %02Xh\n", data->romInfo);
printf(" - Save type & Size: %02Xh\n", data->saveInfo);
printf(" - Flags: %d cycles ROM, %d bit ROM bus, %sRTC, %s orientation\n",
data->flags & 0x004?1:3,
data->flags & 0x002?8:16,
data->flags & 0x100?"":"No ",
data->flags & 0x001?"Vertical":"Horizontal");
printf(" - CRC: %04Xh\n", data->crc);
ret = 0;
}
else
{
printf(" - File is not a valid WonderSwan ROM.\n");
}
}
else
{
printf("Cannot open '%s'\n", argv[1]);
}
}
return ret;
}