Trailing whitespace cleanup.

6 files changed, 132 insertions, 132 deletions

diff --git a/sw/capability.c b/sw/capability.c
index 9b29c98..051b23a 100644
--- a/sw/capability.c
+++ b/sw/capability.c
@@ -1,11 +1,11 @@
-/* 
+/*
  * capability.c
  * ------------
  * This module contains code to probe the FPGA for its installed cores.
- * 
+ *
  * Author: Paul Selkirk
  * Copyright (c) 2015, NORDUnet A/S All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
diff --git a/sw/configure-fpga.sh b/sw/configure-fpga.sh
index 7ebfb6b..c355066 100644
--- a/sw/configure-fpga.sh
+++ b/sw/configure-fpga.sh
@@ -4,10 +4,10 @@ echo "Setting export of reset pin"
 echo 135 > /sys/class/gpio/export
 echo "setting reset pin to out"
 echo out > /sys/class/gpio/gpio135/direction
-echo "flipping reset"                       
+echo "flipping reset"
 echo 0 > /sys/class/gpio/gpio135/value
 echo 1 > /sys/class/gpio/gpio135/value
-echo "configuring FPGA"               
+echo "configuring FPGA"
 dd if=${bitfile} of=/dev/spidev2.0 bs=128
-echo "turning on clock to FPGA"                              
+echo "turning on clock to FPGA"
 devmem3 0x020c8160 w 0x00000D2B
diff --git a/sw/modexps6_tester.c b/sw/modexps6_tester.c
index a9e3b74..b76a6b3 100644
--- a/sw/modexps6_tester.c
+++ b/sw/modexps6_tester.c
@@ -23,10 +23,10 @@ int repeat = 0;
 int tc_width(off_t offset, uint32_t length)
 {
   length = htonl(length);	// !
-	
+
   uint8_t width[4];
   memcpy(width, &length, 4);
-	
+
   return tc_write(offset, width, sizeof(width));
 }
 
@@ -79,7 +79,7 @@ int TC0(void)
 int TC1(void)
 {
   int ret;
-		
+
   if (!quiet)
     printf("TC1: Sign 1024-bit message (fast & unsafe public mode).\n");
 
@@ -93,37 +93,37 @@ int TC1(void)
   /*uint8_t mode_slow_secure[] = {0, 0, 0, 0};*/
   uint8_t mode_fast_unsafe[] = {0, 0, 0, 1};
   tc_write(MODEXPS6_ADDR_MODE, mode_fast_unsafe, sizeof(mode_fast_unsafe));
-	
+
   /* Set new modulus size */
   tc_width(MODEXPS6_ADDR_MODULUS_WIDTH, sizeof(modulus) * 8);	// number of bits
-	
+
   /* Write new modulus */
   tc_write(MODEXPS6_ADDR_MODULUS, modulus, sizeof(modulus));
-	
+
   /* Pre-calculate speed-up coefficient */
   tc_init(MODEXPS6_ADDR_CTRL);
 
   /* Wait while core is calculating */
   tc_wait_ready(MODEXPS6_ADDR_STATUS);
-	
+
   /* Write new message */
   tc_write(MODEXPS6_ADDR_MESSAGE, message, sizeof(message));
-	
+
   /* Set new exponent length */
   tc_width(MODEXPS6_ADDR_EXPONENT_WIDTH, sizeof(exponent) * 8);	// number of bits
-	
+
   /* Write new exponent */
   tc_write(MODEXPS6_ADDR_EXPONENT, exponent, sizeof(exponent));
-	
+
   /* Start calculation */
   tc_next(MODEXPS6_ADDR_CTRL);
-	
+
   /* Wait while core is calculating */
-  tc_wait_valid(MODEXPS6_ADDR_STATUS);	
-	
+  tc_wait_valid(MODEXPS6_ADDR_STATUS);
+
   /* Compare actual result with expected value */
   ret = tc_expected(MODEXPS6_ADDR_RESULT, result, sizeof(result));
-	
+
   return ret;
 }
 
@@ -131,7 +131,7 @@ int TC1(void)
 int TC2(void)
 {
   int ret;
-		
+
   if (!quiet)
     printf("TC2: Sign 1024-bit message (slow & secure private mode).\n");
 
@@ -145,37 +145,37 @@ int TC2(void)
   uint8_t mode_slow_secure[] = {0, 0, 0, 0};
   /*uint8_t mode_fast_unsafe[] = {0, 0, 0, 1};*/
   tc_write(MODEXPS6_ADDR_MODE, mode_slow_secure, sizeof(mode_slow_secure));
-	
+
   /* Set new modulus size */
   tc_width(MODEXPS6_ADDR_MODULUS_WIDTH, sizeof(modulus) * 8);	// number of bits
-	
+
   /* Write new modulus */
   tc_write(MODEXPS6_ADDR_MODULUS, modulus, sizeof(modulus));
-	
+
   /* Pre-calculate speed-up coefficient */
   tc_init(MODEXPS6_ADDR_CTRL);
 
   /* Wait while core is calculating */
   tc_wait_ready(MODEXPS6_ADDR_STATUS);
-	
+
   /* Write new message */
   tc_write(MODEXPS6_ADDR_MESSAGE, message, sizeof(message));
-	
+
   /* Set new exponent length */
   tc_width(MODEXPS6_ADDR_EXPONENT_WIDTH, sizeof(exponent) * 8);	// number of bits
-	
+
   /* Write new exponent */
   tc_write(MODEXPS6_ADDR_EXPONENT, exponent, sizeof(exponent));
-	
+
   /* Start calculation */
   tc_next(MODEXPS6_ADDR_CTRL);
-	
+
   /* Wait while core is calculating */
-  tc_wait_valid(MODEXPS6_ADDR_STATUS);	
-	
+  tc_wait_valid(MODEXPS6_ADDR_STATUS);
+
   /* Compare actual result with expected value */
   ret = tc_expected(MODEXPS6_ADDR_RESULT, result, sizeof(result));
-	
+
   return ret;
 }
 
@@ -183,7 +183,7 @@ int TC2(void)
 int TC3(void)
 {
   int ret;
-		
+
   if (!quiet)
     printf("TC3: Sign 2048-bit message (fast & unsafe public mode).\n");
 
@@ -197,37 +197,37 @@ int TC3(void)
   /*uint8_t mode_slow_secure[] = {0, 0, 0, 0};*/
   uint8_t mode_fast_unsafe[] = {0, 0, 0, 1};
   tc_write(MODEXPS6_ADDR_MODE, mode_fast_unsafe, sizeof(mode_fast_unsafe));
-	
+
   /* Set new modulus size */
   tc_width(MODEXPS6_ADDR_MODULUS_WIDTH, sizeof(modulus) * 8);	// number of bits
-	
+
   /* Write new modulus */
   tc_write(MODEXPS6_ADDR_MODULUS, modulus, sizeof(modulus));
-	
+
   /* Pre-calculate speed-up coefficient */
   tc_init(MODEXPS6_ADDR_CTRL);
 
   /* Wait while core is calculating */
   tc_wait_ready(MODEXPS6_ADDR_STATUS);
-	
+
   /* Write new message */
   tc_write(MODEXPS6_ADDR_MESSAGE, message, sizeof(message));
-	
+
   /* Set new exponent length */
   tc_width(MODEXPS6_ADDR_EXPONENT_WIDTH, sizeof(exponent) * 8);	// number of bits
-	
+
   /* Write new exponent */
   tc_write(MODEXPS6_ADDR_EXPONENT, exponent, sizeof(exponent));
-	
+
   /* Start calculation */
   tc_next(MODEXPS6_ADDR_CTRL);
-	
+
   /* Wait while core is calculating */
-  tc_wait_valid(MODEXPS6_ADDR_STATUS);	
-	
+  tc_wait_valid(MODEXPS6_ADDR_STATUS);
+
   /* Compare actual result with expected value */
   ret = tc_expected(MODEXPS6_ADDR_RESULT, result, sizeof(result));
-	
+
   return ret;
 }
 
@@ -235,7 +235,7 @@ int TC3(void)
 int TC4(void)
 {
   int ret;
-		
+
   if (!quiet)
     printf("TC4: Sign 2048-bit message (slow & secure private mode).\n");
 
@@ -249,37 +249,37 @@ int TC4(void)
   uint8_t mode_slow_secure[] = {0, 0, 0, 0};
   /*uint8_t mode_fast_unsafe[] = {0, 0, 0, 1};*/
   tc_write(MODEXPS6_ADDR_MODE, mode_slow_secure, sizeof(mode_slow_secure));
-	
+
   /* Set new modulus size */
   tc_width(MODEXPS6_ADDR_MODULUS_WIDTH, sizeof(modulus) * 8);	// number of bits
-	
+
   /* Write new modulus */
   tc_write(MODEXPS6_ADDR_MODULUS, modulus, sizeof(modulus));
-	
+
   /* Pre-calculate speed-up coefficient */
   tc_init(MODEXPS6_ADDR_CTRL);
 
   /* Wait while core is calculating */
   tc_wait_ready(MODEXPS6_ADDR_STATUS);
-	
+
   /* Write new message */
   tc_write(MODEXPS6_ADDR_MESSAGE, message, sizeof(message));
-	
+
   /* Set new exponent length */
   tc_width(MODEXPS6_ADDR_EXPONENT_WIDTH, sizeof(exponent) * 8);	// number of bits
-	
+
   /* Write new exponent */
   tc_write(MODEXPS6_ADDR_EXPONENT, exponent, sizeof(exponent));
-	
+
   /* Start calculation */
   tc_next(MODEXPS6_ADDR_CTRL);
-	
+
   /* Wait while core is calculating */
-  tc_wait_valid(MODEXPS6_ADDR_STATUS);	
-	
+  tc_wait_valid(MODEXPS6_ADDR_STATUS);
+
   /* Compare actual result with expected value */
   ret = tc_expected(MODEXPS6_ADDR_RESULT, result, sizeof(result));
-	
+
   return ret;
 }
 
@@ -287,7 +287,7 @@ int TC4(void)
 int TC5(void)
 {
   int ret;
-		
+
   if (!quiet)
     printf("TC5: Sign 4096-bit message (fast & unsafe public mode).\n");
 
@@ -301,37 +301,37 @@ int TC5(void)
   /*uint8_t mode_slow_secure[] = {0, 0, 0, 0};*/
   uint8_t mode_fast_unsafe[] = {0, 0, 0, 1};
   tc_write(MODEXPS6_ADDR_MODE, mode_fast_unsafe, sizeof(mode_fast_unsafe));
-	
+
   /* Set new modulus size */
   tc_width(MODEXPS6_ADDR_MODULUS_WIDTH, sizeof(modulus) * 8);	// number of bits
-	
+
   /* Write new modulus */
   tc_write(MODEXPS6_ADDR_MODULUS, modulus, sizeof(modulus));
-	
+
   /* Pre-calculate speed-up coefficient */
   tc_init(MODEXPS6_ADDR_CTRL);
 
   /* Wait while core is calculating */
   tc_wait_ready(MODEXPS6_ADDR_STATUS);
-	
+
   /* Write new message */
   tc_write(MODEXPS6_ADDR_MESSAGE, message, sizeof(message));
-	
+
   /* Set new exponent length */
   tc_width(MODEXPS6_ADDR_EXPONENT_WIDTH, sizeof(exponent) * 8);	// number of bits
-	
+
   /* Write new exponent */
   tc_write(MODEXPS6_ADDR_EXPONENT, exponent, sizeof(exponent));
-	
+
   /* Start calculation */
   tc_next(MODEXPS6_ADDR_CTRL);
-	
+
   /* Wait while core is calculating */
-  tc_wait_valid(MODEXPS6_ADDR_STATUS);	
-	
+  tc_wait_valid(MODEXPS6_ADDR_STATUS);
+
   /* Compare actual result with expected value */
   ret = tc_expected(MODEXPS6_ADDR_RESULT, result, sizeof(result));
-	
+
   return ret;
 }
 
@@ -339,7 +339,7 @@ int TC5(void)
 int TC6(void)
 {
   int ret;
-		
+
   if (!quiet)
     printf("TC6: Sign 4096-bit message (slow & secure private mode).\n");
 
@@ -353,37 +353,37 @@ int TC6(void)
   uint8_t mode_slow_secure[] = {0, 0, 0, 0};
   /*uint8_t mode_fast_unsafe[] = {0, 0, 0, 1};*/
   tc_write(MODEXPS6_ADDR_MODE, mode_slow_secure, sizeof(mode_slow_secure));
-	
+
   /* Set new modulus size */
   tc_width(MODEXPS6_ADDR_MODULUS_WIDTH, sizeof(modulus) * 8);	// number of bits
-	
+
   /* Write new modulus */
   tc_write(MODEXPS6_ADDR_MODULUS, modulus, sizeof(modulus));
-	
+
   /* Pre-calculate speed-up coefficient */
   tc_init(MODEXPS6_ADDR_CTRL);
 
   /* Wait while core is calculating */
   tc_wait_ready(MODEXPS6_ADDR_STATUS);
-	
+
   /* Write new message */
   tc_write(MODEXPS6_ADDR_MESSAGE, message, sizeof(message));
-	
+
   /* Set new exponent length */
   tc_width(MODEXPS6_ADDR_EXPONENT_WIDTH, sizeof(exponent) * 8);	// number of bits
-	
+
   /* Write new exponent */
   tc_write(MODEXPS6_ADDR_EXPONENT, exponent, sizeof(exponent));
-	
+
   /* Start calculation */
   tc_next(MODEXPS6_ADDR_CTRL);
-	
+
   /* Wait while core is calculating */
-  tc_wait_valid(MODEXPS6_ADDR_STATUS);	
-	
+  tc_wait_valid(MODEXPS6_ADDR_STATUS);
+
   /* Compare actual result with expected value */
   ret = tc_expected(MODEXPS6_ADDR_RESULT, result, sizeof(result));
-	
+
   return ret;
 }
 
@@ -391,7 +391,7 @@ int TC6(void)
 int TC7(void)
 {
   int ret;
-		
+
   if (!quiet)
     printf("TC7: Sign several 1024-bit messages (without pre-calculation every time).\n");
 
@@ -406,40 +406,40 @@ int TC7(void)
   clone_reversed(result_1,  s_1024_1);
   clone_reversed(result_2,  s_1024_2);
   clone_reversed(result_3,  s_1024_3);
-		
+
   /* Set fast mode */
   /*uint8_t mode_slow_secure[] = {0, 0, 0, 0};*/
   uint8_t mode_fast_unsafe[] = {0, 0, 0, 1};
   tc_write(MODEXPS6_ADDR_MODE, mode_fast_unsafe, sizeof(mode_fast_unsafe));
-	
+
   /* Set new modulus size */
   tc_width(MODEXPS6_ADDR_MODULUS_WIDTH, sizeof(modulus) * 8);	// number of bits
-	
+
   /* Write new modulus */
   tc_write(MODEXPS6_ADDR_MODULUS, modulus, sizeof(modulus));
-	
+
   /* Pre-calculate speed-up coefficient */
   tc_init(MODEXPS6_ADDR_CTRL);
 
   /* Wait while core is calculating */
   tc_wait_ready(MODEXPS6_ADDR_STATUS);
-	
+
   /* Set new exponent length */
   tc_width(MODEXPS6_ADDR_EXPONENT_WIDTH, sizeof(exponent) * 8);	// number of bits
 
   /* Write new exponent */
-  tc_write(MODEXPS6_ADDR_EXPONENT, exponent, sizeof(exponent));	
-	
+  tc_write(MODEXPS6_ADDR_EXPONENT, exponent, sizeof(exponent));
+
   {
     /* Write new message #0 */
     tc_write(MODEXPS6_ADDR_MESSAGE, message_0, sizeof(message_0));
-	
+
     /* Start calculation */
     tc_next(MODEXPS6_ADDR_CTRL);
-	
+
     /* Wait while core is calculating */
-    tc_wait_valid(MODEXPS6_ADDR_STATUS);	
-	
+    tc_wait_valid(MODEXPS6_ADDR_STATUS);
+
     /* Compare actual result with expected value */
     ret = tc_expected(MODEXPS6_ADDR_RESULT, result_0, sizeof(result_0));
     if (ret) return 1;
@@ -447,13 +447,13 @@ int TC7(void)
   {
     /* Write new message #1 */
     tc_write(MODEXPS6_ADDR_MESSAGE, message_1, sizeof(message_1));
-	
+
     /* Start calculation */
     tc_next(MODEXPS6_ADDR_CTRL);
-	
+
     /* Wait while core is calculating */
-    tc_wait_valid(MODEXPS6_ADDR_STATUS);	
-	
+    tc_wait_valid(MODEXPS6_ADDR_STATUS);
+
     /* Compare actual result with expected value */
     ret = tc_expected(MODEXPS6_ADDR_RESULT, result_1, sizeof(result_1));
     if (ret) return 1;
@@ -461,13 +461,13 @@ int TC7(void)
   {
     /* Write new message #2 */
     tc_write(MODEXPS6_ADDR_MESSAGE, message_2, sizeof(message_2));
-	
+
     /* Start calculation */
     tc_next(MODEXPS6_ADDR_CTRL);
-	
+
     /* Wait while core is calculating */
-    tc_wait_valid(MODEXPS6_ADDR_STATUS);	
-	
+    tc_wait_valid(MODEXPS6_ADDR_STATUS);
+
     /* Compare actual result with expected value */
     ret = tc_expected(MODEXPS6_ADDR_RESULT, result_2, sizeof(result_2));
     if (ret) return 1;
@@ -475,18 +475,18 @@ int TC7(void)
   {
     /* Write new message #3 */
     tc_write(MODEXPS6_ADDR_MESSAGE, message_3, sizeof(message_3));
-	
+
     /* Start calculation */
     tc_next(MODEXPS6_ADDR_CTRL);
-	
+
     /* Wait while core is calculating */
-    tc_wait_valid(MODEXPS6_ADDR_STATUS);	
-	
+    tc_wait_valid(MODEXPS6_ADDR_STATUS);
+
     /* Compare actual result with expected value */
     ret = tc_expected(MODEXPS6_ADDR_RESULT, result_3, sizeof(result_3));
     if (ret) return 1;
   }
-	
+
   return 0;
 }
 
@@ -494,7 +494,7 @@ int TC7(void)
 int TC8(void)
 {
   int ret;
-		
+
   if (!quiet)
     printf("TC8: Verify 4096-bit message (fast mode using public exponent).\n");
 
@@ -503,46 +503,46 @@ int TC8(void)
   clone_reversed(message,  s_4096);
   clone_reversed(exponent, e_4096);
   clone_reversed(result,   m_4096);
-		
+
   /* Set fast mode */
   /*uint8_t mode_slow_secure[] = {0, 0, 0, 0};*/
   uint8_t mode_fast_unsafe[] = {0, 0, 0, 1};
   tc_write(MODEXPS6_ADDR_MODE, mode_fast_unsafe, sizeof(mode_fast_unsafe));
-	
+
   /* Set new modulus size */
   tc_width(MODEXPS6_ADDR_MODULUS_WIDTH, sizeof(modulus) * 8);	// number of bits
-	
+
   /* Write new modulus */
   tc_write(MODEXPS6_ADDR_MODULUS, modulus, sizeof(modulus));
-	
+
   /* Pre-calculate speed-up coefficient */
   tc_init(MODEXPS6_ADDR_CTRL);
 
   /* Wait while core is calculating */
   tc_wait_ready(MODEXPS6_ADDR_STATUS);
-	
+
   /* Write new message */
   tc_write(MODEXPS6_ADDR_MESSAGE, message, sizeof(message));
-	
+
   /* Set new exponent length */
 #if 1
   tc_width(MODEXPS6_ADDR_EXPONENT_WIDTH, 18);	// number of bits
 #else
   tc_width(MODEXPS6_ADDR_EXPONENT_WIDTH, 24);	// number of bits
 #endif
-	
+
   /* Write new exponent */
   tc_write(MODEXPS6_ADDR_EXPONENT, exponent, sizeof(exponent));
-	
+
   /* Start calculation */
   tc_next(MODEXPS6_ADDR_CTRL);
-	
+
   /* Wait while core is calculating */
-  tc_wait_valid(MODEXPS6_ADDR_STATUS);	
-	
+  tc_wait_valid(MODEXPS6_ADDR_STATUS);
+
   /* Compare actual result with expected value */
   ret = tc_expected(MODEXPS6_ADDR_RESULT, result, sizeof(result));
-	
+
   return ret;
 }
 
diff --git a/sw/novena-eim.c b/sw/novena-eim.c
index 85bfac0..424fcd7 100644
--- a/sw/novena-eim.c
+++ b/sw/novena-eim.c
@@ -1,12 +1,12 @@
-/* 
+/*
  * novena-eim.c
  * ------------
  * This module contains the userland magic to set up and use the EIM bus.
  *
- * 
+ *
  * Author: Pavel Shatov
  * Copyright (c) 2014-2015, NORDUnet A/S All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
@@ -118,9 +118,9 @@ enum IMX6DQ_REGISTER_OFFSET
         IOMUXC_SW_PAD_CTL_PAD_EIM_AD15          = 0x020E0464,
         IOMUXC_SW_PAD_CTL_PAD_EIM_WAIT_B        = 0x020E0468,
         IOMUXC_SW_PAD_CTL_PAD_EIM_BCLK          = 0x020E046C,
-        
+
         CCM_CCGR6                               = 0x020C4080,
-        
+
         EIM_CS0GCR1                             = 0x021B8000,
         EIM_CS0GCR2                             = 0x021B8004,
         EIM_CS0RCR1                             = 0x021B8008,
@@ -166,17 +166,17 @@ struct CCM_CCGR6
         unsigned int    cg1_usdhc1              : 2;
         unsigned int    cg2_usdhc2              : 2;
         unsigned int    cg3_usdhc3              : 2;
-        
+
         unsigned int    cg3_usdhc4              : 2;
         unsigned int    cg5_eim_slow            : 2;
         unsigned int    cg6_vdoaxiclk           : 2;
         unsigned int    cg7_vpu                 : 2;
-        
+
         unsigned int    cg8_reserved            : 2;
         unsigned int    cg9_reserved            : 2;
         unsigned int    cg10_reserved           : 2;
         unsigned int    cg11_reserved           : 2;
-        
+
         unsigned int    cg12_reserved           : 2;
         unsigned int    cg13_reserved           : 2;
         unsigned int    cg14_reserved           : 2;
diff --git a/sw/tc_eim.c b/sw/tc_eim.c
index 87e90d1..76972cd 100644
--- a/sw/tc_eim.c
+++ b/sw/tc_eim.c
@@ -1,11 +1,11 @@
-/* 
+/*
  * tc_eim.c
  * --------
  * This module contains common code to talk to the FPGA over the EIM bus.
- * 
+ *
  * Author: Paul Selkirk
  * Copyright (c) 2014-2015, NORDUnet A/S All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
diff --git a/sw/tc_i2c.c b/sw/tc_i2c.c
index bcc6be9..c49c5a8 100644
--- a/sw/tc_i2c.c
+++ b/sw/tc_i2c.c
@@ -1,11 +1,11 @@
-/* 
+/*
  * tc_i2c.c
  * --------
  * This module contains common code to talk to the FPGA over the I2C bus.
- * 
+ *
  * Author: Paul Selkirk
  * Copyright (c) 2014-2015, NORDUnet A/S All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met: