Unified fpga folders

.gitignore

@@ -80,17 +80,7 @@ tools/mfd_aes_brute/mfd_aes_brute
 tools/mfd_aes_brute/mfd_multi_brute
 tools/mfd_aes_brute/brute_key
 
-fpga/*
-!fpga/tests
-!fpga/fpga_lf.bit
-!fpga/fpga_hf.bit
-!fpga/*.v
-!fpga/Makefile
-!fpga/fpga.ucf
-!fpga/xst_lf.scr
-!fpga/xst_hf.scr
-!fpga/go.bat
-!fpga/sim.tcl
+fpga/__build*
 
 # offcial dumps folder
 dumps/*

armsrc/Makefile

@@ -103,9 +103,6 @@ endif
 # Generic standalone Mode injection of source code
 include Standalone/Makefile.inc
 
-#the FPGA bitstream files. Note: order matters!
-FPGA_BITSTREAMS = fpga_lf.bit fpga_hf.bit fpga_felica.bit fpga_hf_15.bit
-
 #the lz4 source files required for decompressing the fpga config at run time
 SRC_LZ4 = lz4.c
 #additional defines required to compile lz4

armsrc/fpgaloader.c

@@ -404,16 +404,22 @@ static int bitparse_find_section(int bitstream_version, char section_name, uint3
                 /* Four byte length field */
                 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(bitstream_version, compressed_fpga_stream, output_buffer) << 8;
+                current_length += get_from_fpga_stream(bitstream_version, compressed_fpga_stream, output_buffer) << 0;
+                numbytes += 4;
+                if (current_length > 300*1024) {
+                    /* section e should never exceed about 300KB, if the length is too big limit it but still send the bitstream just in case */
+                    current_length = 300*1024;
+                }
+                break;
+            default: /* Two byte length field */
                 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;
-        }
-
-        if (current_name != 'e' && current_length > 255) {
-            /* Maybe a parse error */
-            break;
+                if (current_length > 64) {
+                    /* if text field is too long, keep it but truncate it */
+                    current_length = 64;
+                }
         }
 
         if (current_name == section_name) {

common_arm/Makefile.common

@@ -44,7 +44,7 @@ OBJDIR = obj
 INCLUDE = -I../include -I../common_arm -I../common_fpga -I../common -I.
 
 # Also search prerequisites in the common directory (for usb.c), the fpga directory (for fpga.bit), and the lz4 directory
-VPATH = . ../common_arm ../common ../common/crapto1 ../common/mbedtls ../common/lz4 ../fpga-$(PLATFORM_FPGA) ../armsrc/Standalone
+VPATH = . ../common_arm ../common ../common/crapto1 ../common/mbedtls ../common/lz4 ../fpga ../armsrc/Standalone
 
 INCLUDES = ../include/proxmark3_arm.h ../include/at91sam7s512.h ../include/config_gpio.h ../include/pm3_cmd.h
 

common_arm/Makefile.hal

@@ -92,18 +92,26 @@ PLTNAME = Unknown Platform
 PLATFORM_FPGA = fpga-undefined
 
 ifeq ($(PLATFORM),PM3RDV4)
+    # FPGA bitstream files, the order matters!
+    FPGA_BITSTREAMS = fpga_pm3_lf.bit fpga_pm3_hf.bit fpga_pm3_felica.bit fpga_pm3_hf_15.bit
     PLATFORM_DEFS = -DWITH_SMARTCARD -DWITH_FLASH -DRDV4
     PLTNAME = Proxmark3 RDV4
     PLATFORM_FPGA = xc2s30
     RDV4 = yes
 else ifeq ($(PLATFORM),PM3OTHER)
     $(warning PLATFORM=PM3OTHER is deprecated, please use PLATFORM=PM3GENERIC)
+    # FPGA bitstream files, the order matters!
+    FPGA_BITSTREAMS = fpga_pm3_lf.bit fpga_pm3_hf.bit fpga_pm3_felica.bit fpga_pm3_hf_15.bit
     PLTNAME = Proxmark3 generic target
     PLATFORM_FPGA = xc2s30
 else ifeq ($(PLATFORM),PM3GENERIC)
+    # FPGA bitstream files, the order matters!
+    FPGA_BITSTREAMS = fpga_pm3_lf.bit fpga_pm3_hf.bit fpga_pm3_felica.bit fpga_pm3_hf_15.bit
     PLTNAME = Proxmark3 generic target
     PLATFORM_FPGA = xc2s30
 else ifeq ($(PLATFORM),PM3ICOPYX)
+    # FPGA bitstream files, the order matters - only hf has a bitstream, the other 3 files are 0 bytes
+    FPGA_BITSTREAMS = fpga_icopyx_lf.bit fpga_icopyx_hf.bit fpga_icopyx_felica.bit fpga_icopyx_hf_15.bit
     PLATFORM_DEFS = -DWITH_FLASH -DICOPYX -DXC3
     PLTNAME = iCopy-X with XC3S100E
     PLATFORM_FPGA = xc3s100e
@@ -246,6 +254,7 @@ export PLATFORM_DEFS
 export PLATFORM_DEFS_INFO
 export PLATFORM_DEFS_INFO_STANDALONE
 export PLATFORM_CHANGED
+export FPGA_BITSTREAMS
 
 $(info ===================================================================)
 $(info Version info:      $(shell tools/mkversion.sh --short 2>/dev/null || ../tools/mkversion.sh --short 2>/dev/null))