`hf emv pse` and sketch for the other commands

[proxmark3-svn] / armsrc / fpgaloader.c

diff --git a/armsrc/fpgaloader.c b/armsrc/fpgaloader.c
index a2c9d1e4b2064a631f2a61c035310904d4038439..77223bd06bcf8f9d8485fe5f496020b6d0db730a 100644 (file)
--- a/armsrc/fpgaloader.c
+++ b/armsrc/fpgaloader.c
@@ -10,20 +10,21 @@
 // mode once it is configured.
 //-----------------------------------------------------------------------------
 
 // mode once it is configured.
 //-----------------------------------------------------------------------------
 

+#include "fpgaloader.h"
+

 #include <stdint.h>
 #include <stddef.h>
 #include <stdbool.h>
 #include <stdint.h>
 #include <stddef.h>
 #include <stdbool.h>

-#include "fpgaloader.h"
+#include "apps.h"
+#include "fpga.h"

 #include "proxmark3.h"
 #include "util.h"
 #include "string.h"
 #include "BigBuf.h"
 #include "zlib.h"
 
 #include "proxmark3.h"
 #include "util.h"
 #include "string.h"
 #include "BigBuf.h"
 #include "zlib.h"
 

-extern void Dbprintf(const char *fmt, ...);
-

 // remember which version of the bitstream we have already downloaded to the FPGA
 // remember which version of the bitstream we have already downloaded to the FPGA

-static int downloaded_bitstream = FPGA_BITSTREAM_ERR;
+static int downloaded_bitstream = 0;

 
 // this is where the bitstreams are located in memory:
 extern uint8_t _binary_obj_fpga_all_bit_z_start, _binary_obj_fpga_all_bit_z_end;
 
 // this is where the bitstreams are located in memory:
 extern uint8_t _binary_obj_fpga_all_bit_z_start, _binary_obj_fpga_all_bit_z_end;


@@ -31,10 +32,7 @@ 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 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
 
 //-----------------------------------------------------------------------------
 // Set up the Serial Peripheral Interface as master


@@ -158,9 +156,7 @@ void FpgaSetupSsc(void)
 //-----------------------------------------------------------------------------
 bool FpgaSetupSscDma(uint8_t *buf, int len)
 {
 //-----------------------------------------------------------------------------
 bool FpgaSetupSscDma(uint8_t *buf, int len)
 {

-       if (buf == NULL) {
-        return false;
-    }
+       if (buf == NULL) return false;

 
        AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS;        // Disable DMA Transfer
        AT91C_BASE_PDC_SSC->PDC_RPR = (uint32_t) buf;           // transfer to this memory address
 
        AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS;        // Disable DMA Transfer
        AT91C_BASE_PDC_SSC->PDC_RPR = (uint32_t) buf;           // transfer to this memory address


@@ -168,11 +164,15 @@ bool FpgaSetupSscDma(uint8_t *buf, int len)
        AT91C_BASE_PDC_SSC->PDC_RNPR = (uint32_t) buf;          // next transfer to same memory address
        AT91C_BASE_PDC_SSC->PDC_RNCR = len;                                     // ... with same number of bytes
        AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTEN;         // go!
        AT91C_BASE_PDC_SSC->PDC_RNPR = (uint32_t) buf;          // next transfer to same memory address
        AT91C_BASE_PDC_SSC->PDC_RNCR = len;                                     // ... with same number of bytes
        AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTEN;         // go!

-    
-    return true;
+
+       return true;

 }
 
 
 }
 
 

+//----------------------------------------------------------------------------
+// Uncompress (inflate) the FPGA data. Returns one decompressed byte with
+// each call. 
+//----------------------------------------------------------------------------

 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
 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


@@ -180,12 +180,11 @@ static int get_from_fpga_combined_stream(z_streamp compressed_fpga_stream, uint8
                compressed_fpga_stream->avail_out = OUTPUT_BUFFER_LEN;
                fpga_image_ptr = output_buffer;
                int res = inflate(compressed_fpga_stream, Z_SYNC_FLUSH);
                compressed_fpga_stream->avail_out = OUTPUT_BUFFER_LEN;
                fpga_image_ptr = output_buffer;
                int res = inflate(compressed_fpga_stream, Z_SYNC_FLUSH);

-               if (res != Z_OK) {
+               if (res != Z_OK)

                        Dbprintf("inflate returned: %d, %s", res, compressed_fpga_stream->msg);
                        Dbprintf("inflate returned: %d, %s", res, compressed_fpga_stream->msg);

-               }
-               if (res < 0) {
+
+               if (res < 0)

                        return res;
                        return res;

-               }

        }
 
        uncompressed_bytes_cnt++;
        }
 
        uncompressed_bytes_cnt++;


@@ -193,10 +192,14 @@ static int get_from_fpga_combined_stream(z_streamp compressed_fpga_stream, uint8
        return *fpga_image_ptr++;
 }
 
        return *fpga_image_ptr++;
 }
 

-
+//----------------------------------------------------------------------------
+// Undo the interleaving of several FPGA config files. FPGA config files
+// are combined into one big file:
+// 288 bytes from FPGA file 1, followed by 288 bytes from FGPA file 2, etc.
+//----------------------------------------------------------------------------

 static int get_from_fpga_stream(int bitstream_version, z_streamp compressed_fpga_stream, uint8_t *output_buffer)
 {
 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)) {
+       while((uncompressed_bytes_cnt / FPGA_INTERLEAVE_SIZE) % fpga_bitstream_num != (bitstream_version - 1)) {

                // skip undesired data belonging to other bitstream_versions
                get_from_fpga_combined_stream(compressed_fpga_stream, output_buffer);
        }
                // skip undesired data belonging to other bitstream_versions
                get_from_fpga_combined_stream(compressed_fpga_stream, output_buffer);
        }


@@ -208,18 +211,19 @@ static int get_from_fpga_stream(int bitstream_version, z_streamp compressed_fpga
 
 static voidpf fpga_inflate_malloc(voidpf opaque, uInt items, uInt size)
 {
 
 static voidpf fpga_inflate_malloc(voidpf opaque, uInt items, uInt size)
 {

-       Dbprintf("zlib requested %d bytes", items*size);

        return BigBuf_malloc(items*size);
 }
 
 
 static void fpga_inflate_free(voidpf opaque, voidpf address)
 {
        return BigBuf_malloc(items*size);
 }
 
 
 static void fpga_inflate_free(voidpf opaque, voidpf address)
 {

-       Dbprintf("zlib frees memory");
-       BigBuf_free_keep_EM();
+       BigBuf_free(); BigBuf_Clear_ext(false);

 }
 
 
 }
 
 

+//----------------------------------------------------------------------------
+// Initialize decompression of the respective (HF or LF) FPGA stream 
+//----------------------------------------------------------------------------

 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];
 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];


@@ -228,13 +232,13 @@ static bool reset_fpga_stream(int bitstream_version, z_streamp compressed_fpga_s
        
        // initialize z_stream structure for inflate:
        compressed_fpga_stream->next_in = &_binary_obj_fpga_all_bit_z_start;
        
        // initialize z_stream structure for inflate:
        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->avail_in = &_binary_obj_fpga_all_bit_z_end - &_binary_obj_fpga_all_bit_z_start;

        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;
 
        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;
 

-       inflateInit2(compressed_fpga_stream, 15);
+       inflateInit2(compressed_fpga_stream, 0);

 
        fpga_image_ptr = output_buffer;
 
 
        fpga_image_ptr = output_buffer;
 


@@ -242,8 +246,8 @@ static bool reset_fpga_stream(int bitstream_version, z_streamp compressed_fpga_s
                header[i] = get_from_fpga_stream(bitstream_version, 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)
-       if(memcmp(_bitparse_fixed_header, header, FPGA_BITSTREAM_FIXED_HEADER_SIZE) == 0) {
+       // Check for a valid .bit file (starts with bitparse_fixed_header)
+       if(memcmp(bitparse_fixed_header, header, FPGA_BITSTREAM_FIXED_HEADER_SIZE) == 0) {

                return true;
        } else {
                return false;
                return true;
        } else {
                return false;


@@ -268,7 +272,7 @@ static void DownloadFPGA_byte(unsigned char w)
 static void DownloadFPGA(int bitstream_version, 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);
+       //Dbprintf("DownloadFPGA(len: %d)", FpgaImageLen);

        
        int i=0;
 
        
        int i=0;
 


@@ -330,8 +334,6 @@ static void DownloadFPGA(int bitstream_version, int FpgaImageLen, z_streamp comp
                DownloadFPGA_byte(b);
        }
        
                DownloadFPGA_byte(b);
        }
        

-       Dbprintf("%d bytes loaded into FPGA", i);
-       

        // continue to clock FPGA until ready signal goes high
        i=100000;
        while ( (i--) && ( !(AT91C_BASE_PIOA->PIO_PDSR & GPIO_FPGA_DONE ) ) ) {
        // continue to clock FPGA until ready signal goes high
        i=100000;
        while ( (i--) && ( !(AT91C_BASE_PIOA->PIO_PDSR & GPIO_FPGA_DONE ) ) ) {


@@ -402,94 +404,40 @@ static int bitparse_find_section(int bitstream_version, char section_name, unsig
 }
 
 
 }
 
 

-//-----------------------------------------------------------------------------
-// Find out which FPGA image format is stored in flash, then call DownloadFPGA
-// with the right parameters to download the image
-//-----------------------------------------------------------------------------
+//----------------------------------------------------------------------------
+// Check which FPGA image is currently loaded (if any). If necessary 
+// decompress and load the correct (HF or LF) image to the FPGA
+//----------------------------------------------------------------------------

 void FpgaDownloadAndGo(int bitstream_version)
 {
        z_stream compressed_fpga_stream;
 void FpgaDownloadAndGo(int bitstream_version)
 {
        z_stream compressed_fpga_stream;

-       uint8_t output_buffer[OUTPUT_BUFFER_LEN];
+       uint8_t output_buffer[OUTPUT_BUFFER_LEN] = {0x00};

        
        // check whether or not the bitstream is already loaded
        if (downloaded_bitstream == bitstream_version)
                return;
 
        
        // check whether or not the bitstream is already loaded
        if (downloaded_bitstream == bitstream_version)
                return;
 

+       // make sure that we have enough memory to decompress
+       BigBuf_free(); BigBuf_Clear_ext(false); 
+       

        if (!reset_fpga_stream(bitstream_version, &compressed_fpga_stream, output_buffer)) {
                return;
        }
 
        unsigned int bitstream_length;
        if (!reset_fpga_stream(bitstream_version, &compressed_fpga_stream, output_buffer)) {
                return;
        }
 
        unsigned int bitstream_length;

-       if(bitparse_find_section(bitstream_version, 'e', &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;
        }
 
        inflateEnd(&compressed_fpga_stream);
                DownloadFPGA(bitstream_version, bitstream_length, &compressed_fpga_stream, output_buffer);
                downloaded_bitstream = bitstream_version;
        }
 
        inflateEnd(&compressed_fpga_stream);

-               
-}      
-
-
-void FpgaGatherVersion(int bitstream_version, char *dst, int len)
-{
-       unsigned int fpga_info_len;
-       char tempstr[40];
-       z_stream compressed_fpga_stream;
-       uint8_t output_buffer[OUTPUT_BUFFER_LEN];

        
        

-       dst[0] = '\0';
-
-       if (!reset_fpga_stream(bitstream_version, &compressed_fpga_stream, output_buffer)) {
-               return;
-       }
-
-       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(bitstream_version, &compressed_fpga_stream, output_buffer);
-                       if (i < sizeof(tempstr)) {
-                               tempstr[i] = c;
-                       }
-               }
-               if (!memcmp("fpga_lf", tempstr, 7))
-                       strncat(dst, "LF ", len-1);
-               else if (!memcmp("fpga_hf", tempstr, 7))
-                       strncat(dst, "HF ", len-1);
-       }
-       strncat(dst, "FPGA image built", len-1);
-       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(bitstream_version, &compressed_fpga_stream, output_buffer);
-                       if (i < sizeof(tempstr)) {
-                               tempstr[i] = c;
-                       }
-               }
-               strncat(dst, tempstr, len-1);
-       }
-       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(bitstream_version, &compressed_fpga_stream, output_buffer);
-                       if (i < sizeof(tempstr)) {
-                               tempstr[i] = c;
-                       }
-               }
-               strncat(dst, tempstr, len-1);
-       }
-       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(bitstream_version, &compressed_fpga_stream, output_buffer);
-                       if (i < sizeof(tempstr)) {
-                               tempstr[i] = c;
-                       }
-               }
-               strncat(dst, tempstr, len-1);
-       }
+       // turn off antenna
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);

        
        

-       inflateEnd(&compressed_fpga_stream);
-
-}
+       // free eventually allocated BigBuf memory
+       BigBuf_free(); BigBuf_Clear_ext(false); 
+}      

 
 
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------


@@ -539,3 +487,12 @@ void SetAdcMuxFor(uint32_t whichGpio)
 
        HIGH(whichGpio);
 }
 
        HIGH(whichGpio);
 }

+
+void Fpga_print_status(void) {
+       Dbprintf("Currently loaded FPGA image:");
+       Dbprintf("  %s", fpga_version_information[downloaded_bitstream-1]);
+}
+
+int FpgaGetCurrent() {
+       return downloaded_bitstream;
+}