Don't print the DFAR because the variable can move.

The linker doesn't give a consistent address for the value used for the abort test, so check the address but don't print the address.

Author: jonathanpallant

examples/mps3-an536/reference/abt-exception-a32-armv8r-none-eabihf.out

@@ -2,14 +2,12 @@ Hello, this is an data abort exception example
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0010 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(536870913)
 caught unaligned_from_a32
 caught fault on COUNTER
 Doing it again
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0010 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(536870913)
 caught unaligned_from_a32
 caught fault on COUNTER
 Skipping instruction

examples/mps3-an536/reference/abt-exception-t32-armv8r-none-eabihf.out

@@ -2,14 +2,12 @@ Hello, this is an data abort exception example
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0010 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(536870913)
 caught unaligned_from_t32
 caught fault on COUNTER
 Doing it again
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0010 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(536870913)
 caught unaligned_from_t32
 caught fault on COUNTER
 Skipping instruction

examples/mps3-an536/src/bin/abt-exception-a32.rs

@@ -93,7 +93,6 @@ unsafe extern "C" fn _abort_handler(addr: usize) -> usize {
     println!("DFSR (Fault Status Register): {:?}", dfsr);
     println!("DFSR Status: {:?}", dfsr.status());
     let dfar = Dfar::read();
-    println!("DFAR (Faulting Address Register): {:?}", dfar);
     enable_alignment_check();
 
     // note the fault isn't at the start of the function

examples/mps3-an536/src/bin/abt-exception-t32.rs

@@ -93,7 +93,6 @@ unsafe extern "C" fn _abort_handler(addr: usize) -> usize {
     println!("DFSR (Fault Status Register): {:?}", dfsr);
     println!("DFSR Status: {:?}", dfsr.status());
     let dfar = Dfar::read();
-    println!("DFAR (Faulting Address Register): {:?}", dfar);
     enable_alignment_check();
 
     // note the fault isn't at the start of the function

examples/versatileab/reference/abt-exception-a32-armv7a-none-eabi.out

@@ -2,14 +2,12 @@ Hello, this is an data abort exception example
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0000 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(39853)
 caught unaligned_from_a32
 caught fault on COUNTER
 Doing it again
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0000 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(39853)
 caught unaligned_from_a32
 caught fault on COUNTER
 Skipping instruction

examples/versatileab/reference/abt-exception-a32-armv7r-none-eabi.out

@@ -2,14 +2,12 @@ Hello, this is an data abort exception example
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0000 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(39765)
 caught unaligned_from_a32
 caught fault on COUNTER
 Doing it again
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0000 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(39765)
 caught unaligned_from_a32
 caught fault on COUNTER
 Skipping instruction

examples/versatileab/reference/abt-exception-a32-armv7r-none-eabihf.out

@@ -2,14 +2,12 @@ Hello, this is an data abort exception example
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0000 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(39849)
 caught unaligned_from_a32
 caught fault on COUNTER
 Doing it again
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0000 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(39849)
 caught unaligned_from_a32
 caught fault on COUNTER
 Skipping instruction

examples/versatileab/reference/abt-exception-t32-armv7a-none-eabi.out

@@ -2,14 +2,12 @@ Hello, this is an data abort exception example
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0000 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(39849)
 caught unaligned_from_t32
 caught fault on COUNTER
 Doing it again
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0000 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(39849)
 caught unaligned_from_t32
 caught fault on COUNTER
 Skipping instruction

examples/versatileab/reference/abt-exception-t32-armv7r-none-eabi.out

@@ -2,14 +2,12 @@ Hello, this is an data abort exception example
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0000 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(39761)
 caught unaligned_from_t32
 caught fault on COUNTER
 Doing it again
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0000 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(39761)
 caught unaligned_from_t32
 caught fault on COUNTER
 Skipping instruction

examples/versatileab/reference/abt-exception-t32-armv7r-none-eabihf.out

@@ -2,14 +2,12 @@ Hello, this is an data abort exception example
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0000 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(39845)
 caught unaligned_from_t32
 caught fault on COUNTER
 Doing it again
 data abort occurred
 DFSR (Fault Status Register): DFSR { ext=false wnr=false Domain=0b0000 Status=0b00001 }
 DFSR Status: Ok(AlignmentFault)
-DFAR (Faulting Address Register): Dfar(39845)
 caught unaligned_from_t32
 caught fault on COUNTER
 Skipping instruction