]> cvs.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/fpgaloader.c
`hf emv pse` and sketch for the other commands
[proxmark3-svn] / armsrc / fpgaloader.c
index e211c12fbd5a7e5119b86d6196da954e1b0198ef..77223bd06bcf8f9d8485fe5f496020b6d0db730a 100644 (file)
 // mode once it is configured.
 //-----------------------------------------------------------------------------
 
+#include "fpgaloader.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"
 
-extern void Dbprintf(const char *fmt, ...);
-
 // 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;
@@ -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 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 FPGA_INTERLEAVE_SIZE   288
 
 //-----------------------------------------------------------------------------
 // Set up the Serial Peripheral Interface as master
@@ -158,9 +156,7 @@ void FpgaSetupSsc(void)
 //-----------------------------------------------------------------------------
 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
@@ -168,8 +164,8 @@ 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!
-    
-    return true;
+
+       return true;
 }
 
 
@@ -184,12 +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);
-               if (res != Z_OK) {
+               if (res != Z_OK)
                        Dbprintf("inflate returned: %d, %s", res, compressed_fpga_stream->msg);
-               }
-               if (res < 0) {
+
+               if (res < 0)
                        return res;
-               }
        }
 
        uncompressed_bytes_cnt++;
@@ -204,7 +199,7 @@ static int get_from_fpga_combined_stream(z_streamp compressed_fpga_stream, uint8
 //----------------------------------------------------------------------------
 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);
        }
@@ -222,7 +217,7 @@ static voidpf fpga_inflate_malloc(voidpf opaque, uInt items, uInt size)
 
 static void fpga_inflate_free(voidpf opaque, voidpf address)
 {
-       BigBuf_free();
+       BigBuf_free(); BigBuf_Clear_ext(false);
 }
 
 
@@ -237,7 +232,7 @@ 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;
-       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;
@@ -251,8 +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);
        }
        
-       // 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;
@@ -277,7 +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)
 {
 
-       Dbprintf("DownloadFPGA(len: %d)", FpgaImageLen);
+       //Dbprintf("DownloadFPGA(len: %d)", FpgaImageLen);
        
        int i=0;
 
@@ -416,99 +411,33 @@ static int bitparse_find_section(int bitstream_version, char section_name, unsig
 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;
 
        // make sure that we have enough memory to decompress
-       BigBuf_free();
+       BigBuf_free(); BigBuf_Clear_ext(false); 
        
        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);
-}      
-
-
-//-----------------------------------------------------------------------------
-// Gather version information from FPGA image. Needs to decompress the begin 
-// of the respective (HF or LF) image.
-// Note: decompression makes use of (i.e. overwrites) BigBuf[]. It is therefore
-// advisable to call this only once and store the results for later use.
-//-----------------------------------------------------------------------------
-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';
-
-       // ensure that we can allocate enough memory for decompression:
-       BigBuf_free();
-
-       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);
        
-       strncat(dst, "\n", len-1);
-
-       inflateEnd(&compressed_fpga_stream);
-}
+       // free eventually allocated BigBuf memory
+       BigBuf_free(); BigBuf_Clear_ext(false); 
+}      
 
 
 //-----------------------------------------------------------------------------
@@ -559,12 +488,9 @@ void SetAdcMuxFor(uint32_t whichGpio)
        HIGH(whichGpio);
 }
 
-void Fpga_print_status(void)
-{
-       Dbprintf("Fgpa");
-       if(downloaded_bitstream == FPGA_BITSTREAM_HF) Dbprintf("  mode.............HF");
-       else if(downloaded_bitstream == FPGA_BITSTREAM_LF) Dbprintf("  mode.............LF");
-       else Dbprintf("  mode.............%d", downloaded_bitstream);
+void Fpga_print_status(void) {
+       Dbprintf("Currently loaded FPGA image:");
+       Dbprintf("  %s", fpga_version_information[downloaded_bitstream-1]);
 }
 
 int FpgaGetCurrent() {
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