Tests: Exception restore sanity
Andre Richter
2 years ago
parent
55548bf691
commit
7d374adad2
@ -0,0 +1,25 @@
|
||||
# frozen_string_literal: true
|
||||
|
||||
# SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
#
|
||||
# Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
require_relative '../../common/tests/console_io_test'
|
||||
|
||||
# Verify that exception restore works.
|
||||
class ExceptionRestoreTest < SubtestBase
|
||||
def name
|
||||
'Exception restore'
|
||||
end
|
||||
|
||||
def run(qemu_out, _qemu_in)
|
||||
expect_or_raise(qemu_out, 'Back from system call!')
|
||||
end
|
||||
end
|
||||
|
||||
##--------------------------------------------------------------------------------------------------
|
||||
## Test registration
|
||||
##--------------------------------------------------------------------------------------------------
|
||||
def subtest_collection
|
||||
[ExceptionRestoreTest.new]
|
||||
end
|
||||
@ -0,0 +1,55 @@
|
||||
// SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
//
|
||||
// Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
//! A simple sanity test to see if exception restore code works.
|
||||
|
||||
#![feature(format_args_nl)]
|
||||
#![no_main]
|
||||
#![no_std]
|
||||
|
||||
/// Console tests should time out on the I/O harness in case of panic.
|
||||
mod panic_wait_forever;
|
||||
|
||||
use core::arch::asm;
|
||||
use libkernel::{bsp, cpu, exception, info, memory, println};
|
||||
|
||||
#[inline(never)]
|
||||
fn nested_system_call() {
|
||||
#[cfg(target_arch = "aarch64")]
|
||||
unsafe {
|
||||
asm!("svc #0x1337", options(nomem, nostack, preserves_flags));
|
||||
}
|
||||
|
||||
#[cfg(not(target_arch = "aarch64"))]
|
||||
{
|
||||
info!("Not supported yet");
|
||||
cpu::wait_forever();
|
||||
}
|
||||
}
|
||||
|
||||
#[no_mangle]
|
||||
unsafe fn kernel_init() -> ! {
|
||||
use memory::mmu::interface::MMU;
|
||||
|
||||
exception::handling_init();
|
||||
bsp::console::qemu_bring_up_console();
|
||||
|
||||
// This line will be printed as the test header.
|
||||
println!("Testing exception restore");
|
||||
|
||||
if let Err(string) = memory::mmu::mmu().enable_mmu_and_caching() {
|
||||
info!("MMU: {}", string);
|
||||
cpu::qemu_exit_failure()
|
||||
}
|
||||
|
||||
info!("Making a dummy system call");
|
||||
|
||||
// Calling this inside a function indirectly tests if the link register is restored properly.
|
||||
nested_system_call();
|
||||
|
||||
info!("Back from system call!");
|
||||
|
||||
// The QEMU process running this test will be closed by the I/O test harness.
|
||||
cpu::wait_forever();
|
||||
}
|
||||
@ -0,0 +1,9 @@
|
||||
// SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
//
|
||||
// Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
/// Overwrites libkernel's `panic_wait::_panic_exit()` with wait_forever.
|
||||
#[no_mangle]
|
||||
fn _panic_exit() -> ! {
|
||||
libkernel::cpu::wait_forever()
|
||||
}
|
||||
@ -0,0 +1,25 @@
|
||||
# frozen_string_literal: true
|
||||
|
||||
# SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
#
|
||||
# Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
require_relative '../../common/tests/console_io_test'
|
||||
|
||||
# Verify that exception restore works.
|
||||
class ExceptionRestoreTest < SubtestBase
|
||||
def name
|
||||
'Exception restore'
|
||||
end
|
||||
|
||||
def run(qemu_out, _qemu_in)
|
||||
expect_or_raise(qemu_out, 'Back from system call!')
|
||||
end
|
||||
end
|
||||
|
||||
##--------------------------------------------------------------------------------------------------
|
||||
## Test registration
|
||||
##--------------------------------------------------------------------------------------------------
|
||||
def subtest_collection
|
||||
[ExceptionRestoreTest.new]
|
||||
end
|
||||
@ -0,0 +1,55 @@
|
||||
// SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
//
|
||||
// Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
//! A simple sanity test to see if exception restore code works.
|
||||
|
||||
#![feature(format_args_nl)]
|
||||
#![no_main]
|
||||
#![no_std]
|
||||
|
||||
/// Console tests should time out on the I/O harness in case of panic.
|
||||
mod panic_wait_forever;
|
||||
|
||||
use core::arch::asm;
|
||||
use libkernel::{bsp, cpu, exception, info, memory, println};
|
||||
|
||||
#[inline(never)]
|
||||
fn nested_system_call() {
|
||||
#[cfg(target_arch = "aarch64")]
|
||||
unsafe {
|
||||
asm!("svc #0x1337", options(nomem, nostack, preserves_flags));
|
||||
}
|
||||
|
||||
#[cfg(not(target_arch = "aarch64"))]
|
||||
{
|
||||
info!("Not supported yet");
|
||||
cpu::wait_forever();
|
||||
}
|
||||
}
|
||||
|
||||
#[no_mangle]
|
||||
unsafe fn kernel_init() -> ! {
|
||||
use memory::mmu::interface::MMU;
|
||||
|
||||
exception::handling_init();
|
||||
bsp::console::qemu_bring_up_console();
|
||||
|
||||
// This line will be printed as the test header.
|
||||
println!("Testing exception restore");
|
||||
|
||||
if let Err(string) = memory::mmu::mmu().enable_mmu_and_caching() {
|
||||
info!("MMU: {}", string);
|
||||
cpu::qemu_exit_failure()
|
||||
}
|
||||
|
||||
info!("Making a dummy system call");
|
||||
|
||||
// Calling this inside a function indirectly tests if the link register is restored properly.
|
||||
nested_system_call();
|
||||
|
||||
info!("Back from system call!");
|
||||
|
||||
// The QEMU process running this test will be closed by the I/O test harness.
|
||||
cpu::wait_forever();
|
||||
}
|
||||
@ -0,0 +1,9 @@
|
||||
// SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
//
|
||||
// Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
/// Overwrites libkernel's `panic_wait::_panic_exit()` with wait_forever.
|
||||
#[no_mangle]
|
||||
fn _panic_exit() -> ! {
|
||||
libkernel::cpu::wait_forever()
|
||||
}
|
||||
@ -0,0 +1,25 @@
|
||||
# frozen_string_literal: true
|
||||
|
||||
# SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
#
|
||||
# Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
require_relative '../../common/tests/console_io_test'
|
||||
|
||||
# Verify that exception restore works.
|
||||
class ExceptionRestoreTest < SubtestBase
|
||||
def name
|
||||
'Exception restore'
|
||||
end
|
||||
|
||||
def run(qemu_out, _qemu_in)
|
||||
expect_or_raise(qemu_out, 'Back from system call!')
|
||||
end
|
||||
end
|
||||
|
||||
##--------------------------------------------------------------------------------------------------
|
||||
## Test registration
|
||||
##--------------------------------------------------------------------------------------------------
|
||||
def subtest_collection
|
||||
[ExceptionRestoreTest.new]
|
||||
end
|
||||
@ -0,0 +1,77 @@
|
||||
// SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
//
|
||||
// Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
//! A simple sanity test to see if exception restore code works.
|
||||
|
||||
#![feature(format_args_nl)]
|
||||
#![no_main]
|
||||
#![no_std]
|
||||
|
||||
/// Console tests should time out on the I/O harness in case of panic.
|
||||
mod panic_wait_forever;
|
||||
|
||||
use core::arch::asm;
|
||||
use libkernel::{bsp, cpu, exception, info, memory, println};
|
||||
|
||||
#[inline(never)]
|
||||
fn nested_system_call() {
|
||||
#[cfg(target_arch = "aarch64")]
|
||||
unsafe {
|
||||
asm!("svc #0x1337", options(nomem, nostack, preserves_flags));
|
||||
}
|
||||
|
||||
#[cfg(not(target_arch = "aarch64"))]
|
||||
{
|
||||
info!("Not supported yet");
|
||||
cpu::wait_forever();
|
||||
}
|
||||
}
|
||||
|
||||
#[no_mangle]
|
||||
unsafe fn kernel_init() -> ! {
|
||||
use libkernel::driver::interface::DriverManager;
|
||||
|
||||
exception::handling_init();
|
||||
|
||||
// This line will be printed as the test header.
|
||||
println!("Testing exception restore");
|
||||
|
||||
let phys_kernel_tables_base_addr = match memory::mmu::kernel_map_binary() {
|
||||
Err(string) => {
|
||||
info!("Error mapping kernel binary: {}", string);
|
||||
cpu::qemu_exit_failure()
|
||||
}
|
||||
Ok(addr) => addr,
|
||||
};
|
||||
|
||||
if let Err(e) = memory::mmu::enable_mmu_and_caching(phys_kernel_tables_base_addr) {
|
||||
info!("Enabling MMU failed: {}", e);
|
||||
cpu::qemu_exit_failure()
|
||||
}
|
||||
// Printing will silently fail from here on, because the driver's MMIO is not remapped yet.
|
||||
|
||||
memory::mmu::post_enable_init();
|
||||
bsp::console::qemu_bring_up_console();
|
||||
|
||||
// Bring up the drivers needed for printing first.
|
||||
for i in bsp::driver::driver_manager()
|
||||
.early_print_device_drivers()
|
||||
.iter()
|
||||
{
|
||||
// Any encountered errors cannot be printed yet, obviously, so just safely park the CPU.
|
||||
i.init().unwrap_or_else(|_| cpu::qemu_exit_failure());
|
||||
}
|
||||
bsp::driver::driver_manager().post_early_print_device_driver_init();
|
||||
// Printing available again from here on.
|
||||
|
||||
info!("Making a dummy system call");
|
||||
|
||||
// Calling this inside a function indirectly tests if the link register is restored properly.
|
||||
nested_system_call();
|
||||
|
||||
info!("Back from system call!");
|
||||
|
||||
// The QEMU process running this test will be closed by the I/O test harness.
|
||||
cpu::wait_forever();
|
||||
}
|
||||
@ -0,0 +1,9 @@
|
||||
// SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
//
|
||||
// Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
/// Overwrites libkernel's `panic_wait::_panic_exit()` with wait_forever.
|
||||
#[no_mangle]
|
||||
fn _panic_exit() -> ! {
|
||||
libkernel::cpu::wait_forever()
|
||||
}
|
||||
@ -0,0 +1,25 @@
|
||||
# frozen_string_literal: true
|
||||
|
||||
# SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
#
|
||||
# Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
require_relative '../../common/tests/console_io_test'
|
||||
|
||||
# Verify that exception restore works.
|
||||
class ExceptionRestoreTest < SubtestBase
|
||||
def name
|
||||
'Exception restore'
|
||||
end
|
||||
|
||||
def run(qemu_out, _qemu_in)
|
||||
expect_or_raise(qemu_out, 'Back from system call!')
|
||||
end
|
||||
end
|
||||
|
||||
##--------------------------------------------------------------------------------------------------
|
||||
## Test registration
|
||||
##--------------------------------------------------------------------------------------------------
|
||||
def subtest_collection
|
||||
[ExceptionRestoreTest.new]
|
||||
end
|
||||
@ -0,0 +1,49 @@
|
||||
// SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
//
|
||||
// Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
//! A simple sanity test to see if exception restore code works.
|
||||
|
||||
#![feature(format_args_nl)]
|
||||
#![no_main]
|
||||
#![no_std]
|
||||
|
||||
/// Console tests should time out on the I/O harness in case of panic.
|
||||
mod panic_wait_forever;
|
||||
|
||||
use core::arch::asm;
|
||||
use libkernel::{bsp, cpu, exception, info, memory, println};
|
||||
|
||||
#[inline(never)]
|
||||
fn nested_system_call() {
|
||||
#[cfg(target_arch = "aarch64")]
|
||||
unsafe {
|
||||
asm!("svc #0x1337", options(nomem, nostack, preserves_flags));
|
||||
}
|
||||
|
||||
#[cfg(not(target_arch = "aarch64"))]
|
||||
{
|
||||
info!("Not supported yet");
|
||||
cpu::wait_forever();
|
||||
}
|
||||
}
|
||||
|
||||
#[no_mangle]
|
||||
unsafe fn kernel_init() -> ! {
|
||||
exception::handling_init();
|
||||
memory::mmu::post_enable_init();
|
||||
bsp::console::qemu_bring_up_console();
|
||||
|
||||
// This line will be printed as the test header.
|
||||
println!("Testing exception restore");
|
||||
|
||||
info!("Making a dummy system call");
|
||||
|
||||
// Calling this inside a function indirectly tests if the link register is restored properly.
|
||||
nested_system_call();
|
||||
|
||||
info!("Back from system call!");
|
||||
|
||||
// The QEMU process running this test will be closed by the I/O test harness.
|
||||
cpu::wait_forever();
|
||||
}
|
||||
@ -0,0 +1,9 @@
|
||||
// SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
//
|
||||
// Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
/// Overwrites libkernel's `panic_wait::_panic_exit()` with wait_forever.
|
||||
#[no_mangle]
|
||||
fn _panic_exit() -> ! {
|
||||
libkernel::cpu::wait_forever()
|
||||
}
|
||||
@ -0,0 +1,25 @@
|
||||
# frozen_string_literal: true
|
||||
|
||||
# SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
#
|
||||
# Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
require_relative '../../common/tests/console_io_test'
|
||||
|
||||
# Verify that exception restore works.
|
||||
class ExceptionRestoreTest < SubtestBase
|
||||
def name
|
||||
'Exception restore'
|
||||
end
|
||||
|
||||
def run(qemu_out, _qemu_in)
|
||||
expect_or_raise(qemu_out, 'Back from system call!')
|
||||
end
|
||||
end
|
||||
|
||||
##--------------------------------------------------------------------------------------------------
|
||||
## Test registration
|
||||
##--------------------------------------------------------------------------------------------------
|
||||
def subtest_collection
|
||||
[ExceptionRestoreTest.new]
|
||||
end
|
||||
@ -0,0 +1,49 @@
|
||||
// SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
//
|
||||
// Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
//! A simple sanity test to see if exception restore code works.
|
||||
|
||||
#![feature(format_args_nl)]
|
||||
#![no_main]
|
||||
#![no_std]
|
||||
|
||||
/// Console tests should time out on the I/O harness in case of panic.
|
||||
mod panic_wait_forever;
|
||||
|
||||
use core::arch::asm;
|
||||
use libkernel::{bsp, cpu, exception, info, memory, println};
|
||||
|
||||
#[inline(never)]
|
||||
fn nested_system_call() {
|
||||
#[cfg(target_arch = "aarch64")]
|
||||
unsafe {
|
||||
asm!("svc #0x1337", options(nomem, nostack, preserves_flags));
|
||||
}
|
||||
|
||||
#[cfg(not(target_arch = "aarch64"))]
|
||||
{
|
||||
info!("Not supported yet");
|
||||
cpu::wait_forever();
|
||||
}
|
||||
}
|
||||
|
||||
#[no_mangle]
|
||||
unsafe fn kernel_init() -> ! {
|
||||
exception::handling_init();
|
||||
memory::mmu::post_enable_init();
|
||||
bsp::console::qemu_bring_up_console();
|
||||
|
||||
// This line will be printed as the test header.
|
||||
println!("Testing exception restore");
|
||||
|
||||
info!("Making a dummy system call");
|
||||
|
||||
// Calling this inside a function indirectly tests if the link register is restored properly.
|
||||
nested_system_call();
|
||||
|
||||
info!("Back from system call!");
|
||||
|
||||
// The QEMU process running this test will be closed by the I/O test harness.
|
||||
cpu::wait_forever();
|
||||
}
|
||||
@ -0,0 +1,9 @@
|
||||
// SPDX-License-Identifier: MIT OR Apache-2.0
|
||||
//
|
||||
// Copyright (c) 2022 Andre Richter <andre.o.richter@gmail.com>
|
||||
|
||||
/// Overwrites libkernel's `panic_wait::_panic_exit()` with wait_forever.
|
||||
#[no_mangle]
|
||||
fn _panic_exit() -> ! {
|
||||
libkernel::cpu::wait_forever()
|
||||
}
|
||||
Loading…
Reference in New Issue