Fix diff script

Closes #32

02_runtime_init/README.md

@@ -133,4 +133,5 @@ diff -uNr 01_wait_forever/src/runtime_init.rs 02_runtime_init/src/runtime_init.r
 +
 +    crate::kernel_init()
 +}
+
 ```

03_hacky_hello_world/README.md

@@ -217,8 +217,7 @@ diff -uNr 02_runtime_init/src/print.rs 03_hacky_hello_world/src/print.rs
 +/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
 +#[macro_export]
 +macro_rules! println {
-+    () => ($crate::print!("
-"));
++    () => ($crate::print!("\n"));
 +    ($($arg:tt)*) => ({
 +        $crate::print::_print(format_args_nl!($($arg)*));
 +    })
@@ -229,4 +228,5 @@ diff -uNr 02_runtime_init/src/print.rs 03_hacky_hello_world/src/print.rs
 +
 +    bsp::console().write_fmt(args).unwrap();
 +}
+
 ```

04_zero_overhead_abstraction/README.md

@@ -150,4 +150,5 @@ diff -uNr 03_hacky_hello_world/src/runtime_init.rs 04_zero_overhead_abstraction/
      extern "C" {
          // Boundaries of the .bss section, provided by the linker script.
          static mut __bss_start: u64;
+
 ```

05_safe_globals/README.md

@@ -167,9 +167,8 @@ diff -uNr 04_zero_overhead_abstraction/src/bsp/rpi.rs 05_safe_globals/src/bsp/rp
 -            unsafe {
 -                core::ptr::write_volatile(0x3F20_1000 as *mut u8, c as u8);
 +            // Convert newline to carrige return + newline.
-+            if c == '
-' {
-+                self.write_char('
')
++            if c == '\n' {
++                self.write_char('\r')
              }
 +
 +            self.write_char(c);
@@ -346,4 +345,5 @@ diff -uNr 04_zero_overhead_abstraction/src/main.rs 05_safe_globals/src/main.rs
 +    println!("[2] Stopping here.");
      arch::wait_forever()
  }
+
 ```

06_drivers_gpio_uart/Makefile

@@ -65,8 +65,8 @@ doc:
 	xdg-open target/$(TARGET)/doc/kernel/index.html
 
 ifeq ($(QEMU_MACHINE_TYPE),)
-$(info This board is not yet supported for QEMU.)
 qemu:
+	@echo "This board is not yet supported for QEMU."
 else
 qemu: all
 	$(DOCKER_CMD) $(DOCKER_ARG_CURDIR) $(CONTAINER_UTILS) \

06_drivers_gpio_uart/README.md

@@ -118,8 +118,8 @@ diff -uNr 05_safe_globals/Makefile 06_drivers_gpio_uart/Makefile
  	xdg-open target/$(TARGET)/doc/kernel/index.html
 
 +ifeq ($(QEMU_MACHINE_TYPE),)
-+$(info This board is not yet supported for QEMU.)
 +qemu:
++	@echo "This board is not yet supported for QEMU."
 +else
  qemu: all
  	$(DOCKER_CMD) $(DOCKER_ARG_CURDIR) $(CONTAINER_UTILS) \
@@ -522,9 +522,8 @@ diff -uNr 05_safe_globals/src/bsp/driver/bcm/bcm2xxx_pl011_uart.rs 06_drivers_gp
 +    fn write_str(&mut self, s: &str) -> fmt::Result {
 +        for c in s.chars() {
 +            // Convert newline to carrige return + newline.
-+            if c == '
-' {
-+                self.write_char('
')
++            if c == '\n' {
++                self.write_char('\r')
 +            }
 +
 +            self.write_char(c);
@@ -624,9 +623,8 @@ diff -uNr 05_safe_globals/src/bsp/driver/bcm/bcm2xxx_pl011_uart.rs 06_drivers_gp
 +            let mut ret = inner.DR.get() as u8 as char;
 +
 +            // Convert carrige return to newline.
-+            if ret == '
' {
-+                ret = '
-'
++            if ret == '\r' {
++                ret = '\n'
 +            }
 +
 +            ret
@@ -746,9 +744,8 @@ diff -uNr 05_safe_globals/src/bsp/rpi.rs 06_drivers_gpio_uart/src/bsp/rpi.rs
 -    fn write_str(&mut self, s: &str) -> fmt::Result {
 -        for c in s.chars() {
 -            // Convert newline to carrige return + newline.
--            if c == '
-' {
--                self.write_char('
')
+-            if c == '\n' {
+-                self.write_char('\r')
 -            }
 -
 -            self.write_char(c);
@@ -934,8 +931,7 @@ diff -uNr 05_safe_globals/src/main.rs 06_drivers_gpio_uart/src/main.rs
 +
 +    // UART should be functional now. Wait for user to hit Enter.
 +    loop {
-+        if bsp::console().read_char() == '
-' {
++        if bsp::console().read_char() == '\n' {
 +            break;
 +        }
 +    }
@@ -959,4 +955,5 @@ diff -uNr 05_safe_globals/src/main.rs 06_drivers_gpio_uart/src/main.rs
 +        bsp::console().write_char(c);
 +    }
  }
+
 ```

07_uart_chainloader/Makefile

@@ -72,9 +72,11 @@ doc:
 	xdg-open target/$(TARGET)/doc/kernel/index.html
 
 ifeq ($(QEMU_MACHINE_TYPE),)
-$(info This board is not yet supported for QEMU.)
 qemu:
+	@echo "This board is not yet supported for QEMU."
+
 qemuasm:
+	@echo "This board is not yet supported for QEMU."
 else
 qemu: all
 	$(DOCKER_CMD) $(DOCKER_ARG_CURDIR) $(CONTAINER_UTILS) \

07_uart_chainloader/README.md

@@ -120,11 +120,13 @@ diff -uNr 06_drivers_gpio_uart/Makefile 07_uart_chainloader/Makefile
 
  all: clean $(OUTPUT)
 
-@@ -67,12 +74,22 @@
+@@ -67,12 +74,24 @@
  ifeq ($(QEMU_MACHINE_TYPE),)
- $(info This board is not yet supported for QEMU.)
  qemu:
+ 	@echo "This board is not yet supported for QEMU."
++
 +qemuasm:
++	@echo "This board is not yet supported for QEMU."
  else
  qemu: all
  	$(DOCKER_CMD) $(DOCKER_ARG_CURDIR) $(CONTAINER_UTILS) \
@@ -189,9 +191,8 @@ diff -uNr 06_drivers_gpio_uart/src/bsp/driver/bcm/bcm2xxx_pl011_uart.rs 07_uart_
 +    }
 
 -            // Convert carrige return to newline.
--            if ret == '
' {
--                ret = '
-'
+-            if ret == '\r' {
+-                ret = '\n'
 +    fn clear(&self) {
 +        let mut r = &self.inner;
 +        r.lock(|inner| loop {
@@ -300,14 +301,13 @@ diff -uNr 06_drivers_gpio_uart/src/main.rs 07_uart_chainloader/src/main.rs
 
 -    // UART should be functional now. Wait for user to hit Enter.
 -    loop {
--        if bsp::console().read_char() == '
-' {
+-        if bsp::console().read_char() == '\n' {
 -            break;
 -        }
 +    println!(" __  __ _      _ _                 _ ");
-+    println!("|  \/  (_)_ _ (_) |   ___  __ _ __| |");
-+    println!("| |\/| | | ' \| | |__/ _ \/ _` / _` |");
-+    println!("|_|  |_|_|_||_|_|____\___/\__,_\__,_|");
++    println!("|  \\/  (_)_ _ (_) |   ___  __ _ __| |");
++    println!("| |\\/| | | ' \\| | |__/ _ \\/ _` / _` |");
++    println!("|_|  |_|_|_||_|_|____\\___/\\__,_\\__,_|");
 +    println!();
 +    println!("{:^37}", bsp::board_name());
 +    println!();
@@ -347,8 +347,7 @@ diff -uNr 06_drivers_gpio_uart/src/main.rs 07_uart_chainloader/src/main.rs
 
 -    println!("[2] Chars written: {}", bsp::console().chars_written());
 -    println!("[3] Echoing input now");
-+    println!("[ML] Loaded! Executing the payload now
-");
++    println!("[ML] Loaded! Executing the payload now\n");
 +    bsp::console().flush();
 
 -    loop {
@@ -469,4 +468,5 @@ diff -uNr 06_drivers_gpio_uart/src/runtime_init.rs 07_uart_chainloader/src/runti
 +pub fn get() -> &'static dyn RunTimeInit {
 +    &Traitor {}
  }
+
 ```

08_timestamps/Makefile

@@ -70,8 +70,8 @@ doc:
 	xdg-open target/$(TARGET)/doc/kernel/index.html
 
 ifeq ($(QEMU_MACHINE_TYPE),)
-$(info This board is not yet supported for QEMU.)
 qemu:
+	@echo "This board is not yet supported for QEMU."
 else
 qemu: all
 	$(DOCKER_CMD) $(DOCKER_ARG_CURDIR) $(CONTAINER_UTILS) \

08_timestamps/README.md

@@ -70,11 +70,13 @@ diff -uNr 07_uart_chainloader/Makefile 08_timestamps/Makefile
 
  all: clean $(OUTPUT)
 
-@@ -74,21 +72,16 @@
+@@ -74,23 +72,16 @@
  ifeq ($(QEMU_MACHINE_TYPE),)
- $(info This board is not yet supported for QEMU.)
  qemu:
+ 	@echo "This board is not yet supported for QEMU."
+-
 -qemuasm:
+-	@echo "This board is not yet supported for QEMU."
  else
  qemu: all
  	$(DOCKER_CMD) $(DOCKER_ARG_CURDIR) $(CONTAINER_UTILS) \
@@ -237,9 +239,8 @@ diff -uNr 07_uart_chainloader/src/bsp/driver/bcm/bcm2xxx_pl011_uart.rs 08_timest
 +            let mut ret = inner.DR.get() as u8 as char;
 +
 +            // Convert carrige return to newline.
-+            if ret == '
' {
-+                ret = '
-'
++            if ret == '\r' {
++                ret = '\n'
 +            }
 +
 +            ret
@@ -343,9 +344,9 @@ diff -uNr 07_uart_chainloader/src/main.rs 08_timestamps/src/main.rs
 -    use interface::console::All;
 -
 -    println!(" __  __ _      _ _                 _ ");
--    println!("|  \/  (_)_ _ (_) |   ___  __ _ __| |");
--    println!("| |\/| | | ' \| | |__/ _ \/ _` / _` |");
--    println!("|_|  |_|_|_||_|_|____\___/\__,_\__,_|");
+-    println!("|  \\/  (_)_ _ (_) |   ___  __ _ __| |");
+-    println!("| |\\/| | | ' \\| | |__/ _ \\/ _` / _` |");
+-    println!("|_|  |_|_|_||_|_|____\\___/\\__,_\\__,_|");
 -    println!();
 -    println!("{:^37}", bsp::board_name());
 -    println!();
@@ -389,8 +390,7 @@ diff -uNr 07_uart_chainloader/src/main.rs 08_timestamps/src/main.rs
 +        println!("      {}. {}", i + 1, driver.compatible());
      }
 
--    println!("[ML] Loaded! Executing the payload now
-");
+-    println!("[ML] Loaded! Executing the payload now\n");
 -    bsp::console().flush();
 -
 -    // Use black magic to get a function pointer.
@@ -417,8 +417,7 @@ diff -uNr 07_uart_chainloader/src/print.rs 08_timestamps/src/print.rs
 -/// Carbon copy from https://doc.rust-lang.org/src/std/macros.rs.html
  #[macro_export]
  macro_rules! println {
-     () => ($crate::print!("
-"));
+     () => ($crate::print!("\n"));
 -    ($($arg:tt)*) => ({
 -        $crate::print::_print(format_args_nl!($($arg)*));
 +    ($string:expr) => ({
@@ -594,4 +593,5 @@ diff -uNr 07_uart_chainloader/src/runtime_init.rs 08_timestamps/src/runtime_init
 -    &Traitor {}
 +    crate::kernel_init()
  }
+
 ```

utils/helpers/diff_tut_folders.bash

@@ -14,7 +14,8 @@ DIFF=$(
 	 $1 $2 \
 	| sed -r "s/[12][90][127][90]-.*//g" \
 	| sed -r "s/[[:space:]]*$//g" \
-	| sed -r "s/%/modulo/g"
+	| sed -r "s/%/modulo/g" \
+        | sed -r "s/diff -uNr -x README.md -x kernel -x kernel8.img -x Cargo.lock -x target/\ndiff -uNr/g"
      )
 
 HEADER="## Diff to previous"
@@ -23,8 +24,8 @@ ORIGINAL=$(
 	| sed -rn "/$HEADER/q;p"
 	)
 
-printf "$ORIGINAL" > "$2/README.md"
-printf "\n\n$HEADER\n" >> "$2/README.md"
+echo "$ORIGINAL" > "$2/README.md"
+printf "\n$HEADER\n" >> "$2/README.md"
 printf "\`\`\`diff\n" >> "$2/README.md"
-printf "${DIFF//'diff -uNr -x README.md -x kernel -x kernel8.img -x Cargo.lock -x target'/'\ndiff -uNr'}" >> "$2/README.md"
+echo "$DIFF" >> "$2/README.md"
 printf "\n\`\`\`\n" >> "$2/README.md"