Remove needless extern C

02_runtime_init/README.md

@@ -223,7 +223,7 @@ diff -uNr 01_wait_forever/src/runtime_init.rs 02_runtime_init/src/runtime_init.r
 +///
 +/// - Only a single core must be active and running this function.
 +#[no_mangle]
-+pub unsafe extern "C" fn runtime_init() -> ! {
++pub unsafe fn runtime_init() -> ! {
 +    zero_bss();
 +
 +    crate::kernel_init()

02_runtime_init/src/runtime_init.rs

@@ -31,7 +31,7 @@ unsafe fn zero_bss() {
 ///
 /// - Only a single core must be active and running this function.
 #[no_mangle]
-pub unsafe extern "C" fn runtime_init() -> ! {
+pub unsafe fn runtime_init() -> ! {
     zero_bss();
 
     crate::kernel_init()

03_hacky_hello_world/src/runtime_init.rs

@@ -31,7 +31,7 @@ unsafe fn zero_bss() {
 ///
 /// - Only a single core must be active and running this function.
 #[no_mangle]
-pub unsafe extern "C" fn runtime_init() -> ! {
+pub unsafe fn runtime_init() -> ! {
     zero_bss();
 
     crate::kernel_init()

04_zero_overhead_abstraction/README.md

@@ -79,7 +79,7 @@ diff -uNr 03_hacky_hello_world/src/_arch/aarch64/cpu.rs 04_zero_overhead_abstrac
 +/// - Linker script must ensure to place this function at `0x80_000`.
 +#[naked]
 +#[no_mangle]
-+pub unsafe extern "C" fn _start() -> ! {
++pub unsafe fn _start() -> ! {
 +    use crate::runtime_init;
 +
 +    // Expect the boot core to start in EL2.
@@ -248,15 +248,12 @@ diff -uNr 03_hacky_hello_world/src/main.rs 04_zero_overhead_abstraction/src/main
 diff -uNr 03_hacky_hello_world/src/runtime_init.rs 04_zero_overhead_abstraction/src/runtime_init.rs
 --- 03_hacky_hello_world/src/runtime_init.rs
 +++ 04_zero_overhead_abstraction/src/runtime_init.rs
-@@ -30,8 +30,7 @@
+@@ -30,7 +30,6 @@
  /// # Safety
  ///
  /// - Only a single core must be active and running this function.
 -#[no_mangle]
--pub unsafe extern "C" fn runtime_init() -> ! {
-+pub unsafe fn runtime_init() -> ! {
+ pub unsafe fn runtime_init() -> ! {
      zero_bss();
 
-     crate::kernel_init()
-
 ```

04_zero_overhead_abstraction/src/_arch/aarch64/cpu.rs

@@ -20,7 +20,7 @@ use cortex_a::{asm, regs::*};
 /// - Linker script must ensure to place this function at `0x80_000`.
 #[naked]
 #[no_mangle]
-pub unsafe extern "C" fn _start() -> ! {
+pub unsafe fn _start() -> ! {
     use crate::runtime_init;
 
     // Expect the boot core to start in EL2.

05_safe_globals/src/_arch/aarch64/cpu.rs

@@ -20,7 +20,7 @@ use cortex_a::{asm, regs::*};
 /// - Linker script must ensure to place this function at `0x80_000`.
 #[naked]
 #[no_mangle]
-pub unsafe extern "C" fn _start() -> ! {
+pub unsafe fn _start() -> ! {
     use crate::runtime_init;
 
     // Expect the boot core to start in EL2.

06_drivers_gpio_uart/src/_arch/aarch64/cpu.rs

@@ -20,7 +20,7 @@ use cortex_a::{asm, regs::*};
 /// - Linker script must ensure to place this function at `0x80_000`.
 #[naked]
 #[no_mangle]
-pub unsafe extern "C" fn _start() -> ! {
+pub unsafe fn _start() -> ! {
     use crate::runtime_init;
 
     // Expect the boot core to start in EL2.

07_uart_chainloader/README.md

@@ -181,7 +181,7 @@ diff -uNr 06_drivers_gpio_uart/src/_arch/aarch64/cpu.rs 07_uart_chainloader/src/
 @@ -21,12 +21,12 @@
  #[naked]
  #[no_mangle]
- pub unsafe extern "C" fn _start() -> ! {
+ pub unsafe fn _start() -> ! {
 -    use crate::runtime_init;
 +    use crate::relocate;
 

07_uart_chainloader/src/_arch/aarch64/cpu.rs

@@ -20,7 +20,7 @@ use cortex_a::{asm, regs::*};
 /// - Linker script must ensure to place this function at `0x80_000`.
 #[naked]
 #[no_mangle]
-pub unsafe extern "C" fn _start() -> ! {
+pub unsafe fn _start() -> ! {
     use crate::relocate;
 
     // Expect the boot core to start in EL2.

08_timestamps/README.md

@@ -106,7 +106,7 @@ diff -uNr 07_uart_chainloader/src/_arch/aarch64/cpu.rs 08_timestamps/src/_arch/a
 @@ -21,12 +21,12 @@
  #[naked]
  #[no_mangle]
- pub unsafe extern "C" fn _start() -> ! {
+ pub unsafe fn _start() -> ! {
 -    use crate::relocate;
 +    use crate::runtime_init;
 

08_timestamps/src/_arch/aarch64/cpu.rs

@@ -20,7 +20,7 @@ use cortex_a::{asm, regs::*};
 /// - Linker script must ensure to place this function at `0x80_000`.
 #[naked]
 #[no_mangle]
-pub unsafe extern "C" fn _start() -> ! {
+pub unsafe fn _start() -> ! {
     use crate::runtime_init;
 
     // Expect the boot core to start in EL2.

09_hw_debug_JTAG/src/_arch/aarch64/cpu.rs

@@ -20,7 +20,7 @@ use cortex_a::{asm, regs::*};
 /// - Linker script must ensure to place this function at `0x80_000`.
 #[naked]
 #[no_mangle]
-pub unsafe extern "C" fn _start() -> ! {
+pub unsafe fn _start() -> ! {
     use crate::runtime_init;
 
     // Expect the boot core to start in EL2.

10_privilege_level/README.md

@@ -228,7 +228,7 @@ diff -uNr 09_hw_debug_JTAG/src/_arch/aarch64/cpu.rs 10_privilege_level/src/_arch
 @@ -21,18 +21,59 @@
  #[naked]
  #[no_mangle]
- pub unsafe extern "C" fn _start() -> ! {
+ pub unsafe fn _start() -> ! {
 -    use crate::runtime_init;
 -
      // Expect the boot core to start in EL2.

10_privilege_level/src/_arch/aarch64/cpu.rs

@@ -20,7 +20,7 @@ use cortex_a::{asm, regs::*};
 /// - Linker script must ensure to place this function at `0x80_000`.
 #[naked]
 #[no_mangle]
-pub unsafe extern "C" fn _start() -> ! {
+pub unsafe fn _start() -> ! {
     // Expect the boot core to start in EL2.
     if (bsp::cpu::BOOT_CORE_ID == cpu::smp::core_id())
         && (CurrentEL.get() == CurrentEL::EL::EL2.value)

11_virtual_mem_part1_identity_mapping/src/_arch/aarch64/cpu.rs

@@ -20,7 +20,7 @@ use cortex_a::{asm, regs::*};
 /// - Linker script must ensure to place this function at `0x80_000`.
 #[naked]
 #[no_mangle]
-pub unsafe extern "C" fn _start() -> ! {
+pub unsafe fn _start() -> ! {
     // Expect the boot core to start in EL2.
     if (bsp::cpu::BOOT_CORE_ID == cpu::smp::core_id())
         && (CurrentEL.get() == CurrentEL::EL::EL2.value)

12_exceptions_part1_groundwork/src/_arch/aarch64/cpu.rs

@@ -20,7 +20,7 @@ use cortex_a::{asm, regs::*};
 /// - Linker script must ensure to place this function at `0x80_000`.
 #[naked]
 #[no_mangle]
-pub unsafe extern "C" fn _start() -> ! {
+pub unsafe fn _start() -> ! {
     // Expect the boot core to start in EL2.
     if (bsp::cpu::BOOT_CORE_ID == cpu::smp::core_id())
         && (CurrentEL.get() == CurrentEL::EL::EL2.value)

13_integrated_testing/src/_arch/aarch64/cpu.rs

@@ -20,7 +20,7 @@ use cortex_a::{asm, regs::*};
 /// - Linker script must ensure to place this function at `0x80_000`.
 #[naked]
 #[no_mangle]
-pub unsafe extern "C" fn _start() -> ! {
+pub unsafe fn _start() -> ! {
     // Expect the boot core to start in EL2.
     if (bsp::cpu::BOOT_CORE_ID == cpu::smp::core_id())
         && (CurrentEL.get() == CurrentEL::EL::EL2.value)

14_exceptions_part2_peripheral_IRQs/src/_arch/aarch64/cpu.rs

@@ -20,7 +20,7 @@ use cortex_a::{asm, regs::*};
 /// - Linker script must ensure to place this function at `0x80_000`.
 #[naked]
 #[no_mangle]
-pub unsafe extern "C" fn _start() -> ! {
+pub unsafe fn _start() -> ! {
     // Expect the boot core to start in EL2.
     if (bsp::cpu::BOOT_CORE_ID == cpu::smp::core_id())
         && (CurrentEL.get() == CurrentEL::EL::EL2.value)

15_virtual_mem_part2_mmio_remap/src/_arch/aarch64/cpu.rs

@@ -20,7 +20,7 @@ use cortex_a::{asm, regs::*};
 /// - Linker script must ensure to place this function at `0x80_000`.
 #[naked]
 #[no_mangle]
-pub unsafe extern "C" fn _start() -> ! {
+pub unsafe fn _start() -> ! {
     // Expect the boot core to start in EL2.
     if (bsp::cpu::BOOT_CORE_ID == cpu::smp::core_id())
         && (CurrentEL.get() == CurrentEL::EL::EL2.value)