static int downloaded_bitstream = FPGA_BITSTREAM_ERR;
// this is where the bitstreams are located in memory:
-extern uint8_t _binary_fpga_lf_bit_start, _binary_fpga_lf_bit_end;
-extern uint8_t _binary_fpga_hf_bit_start, _binary_fpga_hf_bit_end;
+extern uint8_t _binary_obj_fpga_all_bit_z_start, _binary_obj_fpga_all_bit_z_end;
+
static uint8_t *fpga_image_ptr = NULL;
+static uint32_t uncompressed_bytes_cnt;
static const uint8_t _bitparse_fixed_header[] = {0x00, 0x09, 0x0f, 0xf0, 0x0f, 0xf0, 0x0f, 0xf0, 0x0f, 0xf0, 0x00, 0x00, 0x01};
#define FPGA_BITSTREAM_FIXED_HEADER_SIZE sizeof(_bitparse_fixed_header)
-#define OUTPUT_BUFFER_LEN 80
+#define OUTPUT_BUFFER_LEN 80
+#define FPGA_INTERLEAVE_SIZE 288
//-----------------------------------------------------------------------------
// Set up the Serial Peripheral Interface as master
}
-static int get_from_fpga_stream(z_streamp compressed_fpga_stream, uint8_t *output_buffer)
+static int get_from_fpga_combined_stream(z_streamp compressed_fpga_stream, uint8_t *output_buffer)
{
if (fpga_image_ptr == compressed_fpga_stream->next_out) { // need more data
compressed_fpga_stream->next_out = output_buffer;
}
}
+ uncompressed_bytes_cnt++;
+
return *fpga_image_ptr++;
}
+static int get_from_fpga_stream(int bitstream_version, z_streamp compressed_fpga_stream, uint8_t *output_buffer)
+{
+ while((uncompressed_bytes_cnt / FPGA_INTERLEAVE_SIZE) % FPGA_BITSTREAM_MAX != (bitstream_version - 1)) {
+ // skip undesired data belonging to other bitstream_versions
+ get_from_fpga_combined_stream(compressed_fpga_stream, output_buffer);
+ }
+
+ return get_from_fpga_combined_stream(compressed_fpga_stream, output_buffer);
+
+}
+
+
static voidpf fpga_inflate_malloc(voidpf opaque, uInt items, uInt size)
{
Dbprintf("zlib requested %d bytes", items*size);
static bool reset_fpga_stream(int bitstream_version, z_streamp compressed_fpga_stream, uint8_t *output_buffer)
{
uint8_t header[FPGA_BITSTREAM_FIXED_HEADER_SIZE];
- uint8_t *fpga_image_start;
- uint32_t fpga_image_size;
- if (bitstream_version == FPGA_BITSTREAM_LF) {
- fpga_image_start = &_binary_fpga_lf_bit_start;
- fpga_image_size = (uint32_t)&_binary_fpga_lf_bit_end - (uint32_t)&_binary_fpga_lf_bit_start;
- } else if (bitstream_version == FPGA_BITSTREAM_HF) {
- fpga_image_start = &_binary_fpga_hf_bit_start;
- fpga_image_size = (uint32_t)&_binary_fpga_hf_bit_end - (uint32_t)&_binary_fpga_hf_bit_start;
- } else {
- return false;
- }
-
+ uncompressed_bytes_cnt = 0;
+
// initialize z_stream structure for inflate:
- compressed_fpga_stream->next_in = fpga_image_start;
- compressed_fpga_stream->avail_in = fpga_image_size;
+ compressed_fpga_stream->next_in = &_binary_obj_fpga_all_bit_z_start;
+ compressed_fpga_stream->avail_in = &_binary_obj_fpga_all_bit_z_start - &_binary_obj_fpga_all_bit_z_end;
compressed_fpga_stream->next_out = output_buffer;
compressed_fpga_stream->avail_out = OUTPUT_BUFFER_LEN;
compressed_fpga_stream->zalloc = &fpga_inflate_malloc;
compressed_fpga_stream->zfree = &fpga_inflate_free;
- // initialize inflate with WindowBits=15 and to automatically detect header:
- inflateInit2(compressed_fpga_stream, 15+32);
+ inflateInit2(compressed_fpga_stream, 15);
fpga_image_ptr = output_buffer;
for (uint16_t i = 0; i < FPGA_BITSTREAM_FIXED_HEADER_SIZE; i++) {
- header[i] = get_from_fpga_stream(compressed_fpga_stream, output_buffer);
+ header[i] = get_from_fpga_stream(bitstream_version, compressed_fpga_stream, output_buffer);
}
// Check for a valid .bit file (starts with _bitparse_fixed_header)
}
// Download the fpga image starting at current stream position with length FpgaImageLen bytes
-static void DownloadFPGA(int FpgaImageLen, z_streamp compressed_fpga_stream, uint8_t *output_buffer)
+static void DownloadFPGA(int bitstream_version, int FpgaImageLen, z_streamp compressed_fpga_stream, uint8_t *output_buffer)
{
Dbprintf("DownloadFPGA(len: %d)", FpgaImageLen);
}
for(i = 0; i < FpgaImageLen; i++) {
- int b = get_from_fpga_stream(compressed_fpga_stream, output_buffer);
+ int b = get_from_fpga_stream(bitstream_version, compressed_fpga_stream, output_buffer);
if (b < 0) {
Dbprintf("Error %d during FpgaDownload", b);
break;
* (big endian), <length> bytes content. Except for section 'e' which has 4 bytes
* length.
*/
-static int bitparse_find_section(char section_name, unsigned int *section_length, z_streamp compressed_fpga_stream, uint8_t *output_buffer)
+static int bitparse_find_section(int bitstream_version, char section_name, unsigned int *section_length, z_streamp compressed_fpga_stream, uint8_t *output_buffer)
{
int result = 0;
#define MAX_FPGA_BIT_STREAM_HEADER_SEARCH 100 // maximum number of bytes to search for the requested section
uint16_t numbytes = 0;
while(numbytes < MAX_FPGA_BIT_STREAM_HEADER_SEARCH) {
- char current_name = get_from_fpga_stream(compressed_fpga_stream, output_buffer);
+ char current_name = get_from_fpga_stream(bitstream_version, compressed_fpga_stream, output_buffer);
numbytes++;
unsigned int current_length = 0;
if(current_name < 'a' || current_name > 'e') {
switch(current_name) {
case 'e':
/* Four byte length field */
- current_length += get_from_fpga_stream(compressed_fpga_stream, output_buffer) << 24;
- current_length += get_from_fpga_stream(compressed_fpga_stream, output_buffer) << 16;
+ current_length += get_from_fpga_stream(bitstream_version, compressed_fpga_stream, output_buffer) << 24;
+ current_length += get_from_fpga_stream(bitstream_version, compressed_fpga_stream, output_buffer) << 16;
numbytes += 2;
default: /* Fall through, two byte length field */
- current_length += get_from_fpga_stream(compressed_fpga_stream, output_buffer) << 8;
- current_length += get_from_fpga_stream(compressed_fpga_stream, output_buffer) << 0;
+ current_length += get_from_fpga_stream(bitstream_version, compressed_fpga_stream, output_buffer) << 8;
+ current_length += get_from_fpga_stream(bitstream_version, compressed_fpga_stream, output_buffer) << 0;
numbytes += 2;
}
}
for (uint16_t i = 0; i < current_length && numbytes < MAX_FPGA_BIT_STREAM_HEADER_SEARCH; i++) {
- get_from_fpga_stream(compressed_fpga_stream, output_buffer);
+ get_from_fpga_stream(bitstream_version, compressed_fpga_stream, output_buffer);
numbytes++;
}
}
}
unsigned int bitstream_length;
- if(bitparse_find_section('e', &bitstream_length, &compressed_fpga_stream, output_buffer)) {
- DownloadFPGA(bitstream_length, &compressed_fpga_stream, output_buffer);
+ if(bitparse_find_section(bitstream_version, 'e', &bitstream_length, &compressed_fpga_stream, output_buffer)) {
+ DownloadFPGA(bitstream_version, bitstream_length, &compressed_fpga_stream, output_buffer);
downloaded_bitstream = bitstream_version;
}
return;
}
- if(bitparse_find_section('a', &fpga_info_len, &compressed_fpga_stream, output_buffer)) {
+ if(bitparse_find_section(bitstream_version, 'a', &fpga_info_len, &compressed_fpga_stream, output_buffer)) {
for (uint16_t i = 0; i < fpga_info_len; i++) {
- char c = (char)get_from_fpga_stream(&compressed_fpga_stream, output_buffer);
+ char c = (char)get_from_fpga_stream(bitstream_version, &compressed_fpga_stream, output_buffer);
if (i < sizeof(tempstr)) {
tempstr[i] = c;
}
strncat(dst, "HF ", len-1);
}
strncat(dst, "FPGA image built", len-1);
- if(bitparse_find_section('b', &fpga_info_len, &compressed_fpga_stream, output_buffer)) {
+ if(bitparse_find_section(bitstream_version, 'b', &fpga_info_len, &compressed_fpga_stream, output_buffer)) {
strncat(dst, " for ", len-1);
for (uint16_t i = 0; i < fpga_info_len; i++) {
- char c = (char)get_from_fpga_stream(&compressed_fpga_stream, output_buffer);
+ char c = (char)get_from_fpga_stream(bitstream_version, &compressed_fpga_stream, output_buffer);
if (i < sizeof(tempstr)) {
tempstr[i] = c;
}
}
strncat(dst, tempstr, len-1);
}
- if(bitparse_find_section('c', &fpga_info_len, &compressed_fpga_stream, output_buffer)) {
+ if(bitparse_find_section(bitstream_version, 'c', &fpga_info_len, &compressed_fpga_stream, output_buffer)) {
strncat(dst, " on ", len-1);
for (uint16_t i = 0; i < fpga_info_len; i++) {
- char c = (char)get_from_fpga_stream(&compressed_fpga_stream, output_buffer);
+ char c = (char)get_from_fpga_stream(bitstream_version, &compressed_fpga_stream, output_buffer);
if (i < sizeof(tempstr)) {
tempstr[i] = c;
}
}
strncat(dst, tempstr, len-1);
}
- if(bitparse_find_section('d', &fpga_info_len, &compressed_fpga_stream, output_buffer)) {
+ if(bitparse_find_section(bitstream_version, 'd', &fpga_info_len, &compressed_fpga_stream, output_buffer)) {
strncat(dst, " at ", len-1);
for (uint16_t i = 0; i < fpga_info_len; i++) {
- char c = (char)get_from_fpga_stream(&compressed_fpga_stream, output_buffer);
+ char c = (char)get_from_fpga_stream(bitstream_version, &compressed_fpga_stream, output_buffer);
if (i < sizeof(tempstr)) {
tempstr[i] = c;
}
projects / proxmark3-svn / blobdiff