static bool is_ut_rom(void)
{
int len = 0;
int c = 0;
int i = 0;
char *main_version, *sku_version;
if(!rom_version) {
if(!get_rom_version()) {
pr_err("[smem]%s: no ROM version.\n", __func__);
return false;
}
}
main_version = strstr(rom_version, ".");
if(!main_version || strlen(main_version+1) == 0) {
pr_err("[smem]%s: no main version.\n", __func__);
return false;
}
sku_version = strstr(main_version+1, ".") + 1;
if(!sku_version || strlen(sku_version+1) == 0) {
pr_err("[smem]%s: no sku version.\n", __func__);
return false;
}
len = strlen(sku_version);
for(i = 0; i < len; i++){
if(isdigit(sku_version[i]))
c++;
else
break;
}
if(sku_version[0] == UT_LONG_SKU_FIRST_NUM && c == UT_LONG_SKU_LEN)
return true;
if( strstr(sku_version, UT_SHORT_SKU_NUM) && c == strlen(UT_SHORT_SKU_NUM))
return true;
return false;
}
/*
Get some information on the FLASH upgrade:
- size
- ROM base address
- os version
- calc type
*/
int ti68k_get_tib_infos(const char *filename, IMG_INFO *tib, int preload)
{
FlashContent *content;
FlashContent *ptr;
int nheaders = 0;
int i;
// No filename, exits
if(!strcmp(g_basename(filename), ""))
return ERR_CANT_OPEN;
// Check valid file
if(!tifiles_file_is_ti(filename))
return ERR_NOT_TI_FILE;
if(!tifiles_file_is_os(filename))
return ERR_INVALID_UPGRADE;
// Load file
content = tifiles_content_create_flash(CALC_TI89);
if(tifiles_file_read_flash(filename, content) != 0)
return ERR_INVALID_UPGRADE;
// count headers
for (ptr = content; ptr != NULL; ptr = ptr->next)
nheaders++;
// keep the last one (data)
for (i = 0, ptr = content; i < nheaders - 1; i++)
ptr = ptr->next;
// Load TIB into memory and relocate at SPP
if(tib->data == NULL)
tib->data = malloc(SPP + ptr->data_length + 4);
if(tib->data == NULL)
return ERR_MALLOC;
memset(tib->data + SPP, 0xff, ptr->data_length);
memcpy(tib->data + SPP, ptr->data_part, ptr->data_length);
// Update current rom infos
tib->rom_base = tib->data[BO+5 + SPP] & 0xf0;
// libtifiles can't distinguish TI89/TI89t and 92+/V200. We need to look.
switch(ptr->device_type & 0xff)
{
case DEVICE_TYPE_89: // can be a Titanium, too
switch(tib->rom_base & 0xff)
{
case 0x20: tib->calc_type = TI89; break;
case 0x80: tib->calc_type = TI89t; break;
default: return ERR_INVALID_UPGRADE;
}
break;
case DEVICE_TYPE_92P:
switch(tib->rom_base & 0xff)
{
case 0x20: tib->calc_type = V200; break;
case 0x40: tib->calc_type = TI92p; break;
default: return ERR_INVALID_UPGRADE;
}
break;
default:
tiemu_info("TIB problem: %02x!\n", 0xff & ptr->device_type);
return ERR_INVALID_UPGRADE;
break;
}
tib->flash = FLASH_ROM;
tib->has_boot = 0;
tib->size = ptr->data_length + SPP;
get_rom_version(tib->data, tib->size, tib->version);
tifiles_content_delete_flash(content);
if(!preload)
free(tib->data);
return 0;
}
/*
Get some information on the ROM dump:
- size
- ROM base address
- FLASH/EPROM
- os version
- calc type
Note: if the data field is NULL, memory is allocated.
Otherwise, data is overwritten.
Thanks to Kevin for HW2 detection code.
*/
int ti68k_get_rom_infos(const char *filename, IMG_INFO *rom, int preload)
{
FILE *file;
HW_PARM_BLOCK hwblock;
// No filename, exits
if(!strcmp(g_basename(filename), ""))
return ERR_CANT_OPEN;
// Open file
file = fopen(filename, "rb");
if(file == NULL)
{
tiemu_info(_("Unable to open this file: <%s>"), filename);
return ERR_CANT_OPEN;
}
// Retrieve ROM size
fseek(file, 0, SEEK_END);
rom->size = ftell(file);
fseek(file, 0, SEEK_SET);
if(rom->size < 256)
return ERR_INVALID_ROM_SIZE;
if (rom->size == 8*MB)
{
// TiLP used to dump 8 MB images for HW4, try to load them anyway.
tiemu_info(_("Warning: truncating 8 MB image to 4 MB: <%s>"), filename);
rom->size = 4*MB;
}
if (rom->size > 4*MB)
return ERR_INVALID_ROM_SIZE;
if(rom->data == NULL)
rom->data = malloc(rom->size + 4);
if(rom->data == NULL)
return ERR_MALLOC;
memset(rom->data, 0xff, rom->size);
if (fread(rom->data, 1, rom->size, file) < (size_t)rom->size)
{
tiemu_info(_("Failed to read from file: <%s>"), filename);
fclose(file);
return ERR_CANT_OPEN;
}
if (fclose(file))
{
tiemu_info(_("Failed to close file: <%s>"), filename);
return ERR_CANT_OPEN;
}
rom->has_boot = 1;
rom->rom_base = rom->data[0x05] & 0xf0;
rom->flash = (rom->data[0x65] & 0x0f) ? 0 : FLASH_ROM;
get_rom_version(rom->data, rom->size, rom->version);
if(!rom->flash)
{
rom->calc_type = TI92;
rom->hw_type = HW1;
}
else
{
// Get hw param block to determine calc type & hw type
if(ti68k_get_hw_param_block((uint8_t*)rom->data, rom->rom_base,
&hwblock) == -1)
return ERR_INVALID_ROM;
ti68k_display_hw_param_block(&hwblock);
switch(hwblock.hardwareID)
{
case HWID_TI92P: rom->calc_type = TI92p; break;
case HWID_TI89: rom->calc_type = TI89; break;
case HWID_V200: rom->calc_type = V200; break;
case HWID_TI89T: rom->calc_type = TI89t; break;
default: break;
}
if(rom->flash)
{
if(hwblock.len < 24)
rom->hw_type = HW1;
else
rom->hw_type = (char)hwblock.gateArray;
}
}
if(!preload)
free(rom->data);
return 0;
}
