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Automatic save file creation.

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This commit is contained in:
sorgelig
2018-11-21 07:28:07 +08:00
parent f7cef9475a
commit c63bc586f7
4 changed files with 81 additions and 19 deletions
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84
user_io.cpp
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@@ -858,7 +858,7 @@ void user_io_set_index(unsigned char index)
DisableFpga();
}
int user_io_file_mount(char *name, unsigned char index)
int user_io_file_mount(char *name, unsigned char index, char pre)
{
int writable = 0;
int ret = 0;
@@ -876,10 +876,18 @@ int user_io_file_mount(char *name, unsigned char index)
if (!ret)
{
writable = 0;
sd_image[index].size = 0;
printf("Failed to open file %s\n", name);
printf("Eject image from %d slot\n", index);
if (pre)
{
writable = 1;
printf("Will be created upon write\n");
}
else
{
writable = 0;
printf("Eject image from %d slot\n", index);
}
}
else
{
@@ -891,17 +899,26 @@ int user_io_file_mount(char *name, unsigned char index)
// send mounted image size first then notify about mounting
EnableIO();
spi8(UIO_SET_SDINFO);
__off64_t size = sd_image[index].size;
if (!ret && pre)
{
size = -1;
sd_image[index].type = 2;
strcpy(sd_image[index].path, name);
}
if (io_ver)
{
spi_w((uint16_t)(sd_image[index].size));
spi_w((uint16_t)(sd_image[index].size>>16));
spi_w((uint16_t)(sd_image[index].size>>32));
spi_w((uint16_t)(sd_image[index].size>>48));
spi_w((uint16_t)(size));
spi_w((uint16_t)(size>>16));
spi_w((uint16_t)(size>>32));
spi_w((uint16_t)(size>>48));
}
else
{
spi32le(sd_image[index].size);
spi32le(sd_image[index].size>>32);
spi32le(size);
spi32le(size>>32);
}
DisableIO();
@@ -1268,7 +1285,7 @@ int user_io_file_tx(const char* name, unsigned char index, char opensave, char m
char *p = strrchr((char*)buf, '.');
if (!p) p = (char*)buf + strlen(name);
strcpy(p, ".sav");
user_io_file_mount((char*)buf);
user_io_file_mount((char*)buf, 0, 1);
}
// signal end of transmission
@@ -1630,6 +1647,7 @@ void user_io_poll()
{
//printf("SD WR %d on %d\n", lba, disk);
int done = 0;
buffer_lba[disk] = lba;
// Fetch sector data from FPGA ...
@@ -1637,15 +1655,43 @@ void user_io_poll()
spi_block_read(buffer[disk], fio_size);
DisableIO();
// ... and write it to disk
int done = 0;
if ((sd_image[disk].size>>9)>lba)
if (sd_image[disk].type == 2 && !lba)
{
diskled_on();
if (FileSeekLBA(&sd_image[disk], lba))
//Create the file
if (FileOpenEx(&sd_image[disk], sd_image[disk].path, O_CREAT | O_RDWR | O_SYNC))
{
if (FileWriteSec(&sd_image[disk], buffer[disk])) done = 1;
diskled_on();
if (FileWriteSec(&sd_image[disk], buffer[disk]))
{
sd_image[disk].size = 512;
done = 1;
}
}
else
{
printf("Error in creating file: %s\n", sd_image[disk].path);
}
}
else
{
// ... and write it to disk
__off64_t size = sd_image[disk].size>>9;
if (size && size>=lba)
{
diskled_on();
if (FileSeekLBA(&sd_image[disk], lba))
{
if (FileWriteSec(&sd_image[disk], buffer[disk]))
{
done = 1;
if (size == lba)
{
size++;
sd_image[disk].size = size << 9;
}
}
}
}
}
@@ -1681,7 +1727,6 @@ void user_io_poll()
//Even after error we have to provide the block to the core
//Give an empty block.
if (!done) memset(buffer[disk], 0, sizeof(buffer[disk]));
buffer_lba[disk] = lba;
}
@@ -1710,6 +1755,11 @@ void user_io_poll()
}
}
if(done) buffer_lba[disk] = lba + 1;
if (sd_image[disk].type == 2)
{
buffer_lba[disk] = -1;
}
}
}