Userspace: Prepare aoc2023 environment :)

Before if e.g. Shell crashed init would have broken termios

kernel/CMakeLists.txt

@@ -148,7 +148,7 @@ target_compile_definitions(kernel PUBLIC __arch=${BANAN_ARCH})
 target_compile_options(kernel PUBLIC -O2 -g)
 target_compile_options(kernel PUBLIC $<$<COMPILE_LANGUAGE:CXX>:-Wno-literal-suffix -fno-rtti -fno-exceptions>)
 target_compile_options(kernel PUBLIC -fmacro-prefix-map=${CMAKE_CURRENT_SOURCE_DIR}=.)
-target_compile_options(kernel PUBLIC -fstack-protector -ffreestanding -Wall -Werror=return-type -Wstack-usage=1024 -fno-omit-frame-pointer -mgeneral-regs-only)
+target_compile_options(kernel PUBLIC -fstack-protector -ffreestanding -Wall -Wextra -Werror -Wstack-usage=1024 -fno-omit-frame-pointer -mgeneral-regs-only)
 
 # This might not work with other toolchains
 target_compile_options(kernel PUBLIC $<$<COMPILE_LANGUAGE:CXX>:-Wno-invalid-offsetof>)
@@ -167,6 +167,8 @@ endif()
 
 target_link_options(kernel PUBLIC -ffreestanding -nostdlib)
 
+set_source_files_properties(${LAI_SOURCES} PROPERTIES COMPILE_FLAGS -Wno-stack-usage)
+
 add_custom_target(kernel-headers
 	COMMAND ${CMAKE_COMMAND} -E copy_directory_if_different ${CMAKE_CURRENT_SOURCE_DIR}/include/ ${BANAN_INCLUDE}/
 	COMMAND ${CMAKE_COMMAND} -E copy_directory_if_different ${CMAKE_CURRENT_SOURCE_DIR}/lai/include/ ${BANAN_INCLUDE}/

kernel/kernel/Device/FramebufferDevice.cpp

@@ -233,6 +233,7 @@ namespace Kernel
 
 		virtual BAN::ErrorOr<BAN::UniqPtr<MemoryRegion>> clone(PageTable& new_page_table) override
 		{
+			(void)new_page_table;
 			return BAN::Error::from_errno(ENOTSUP);
 		}
 
@@ -275,4 +276,4 @@ namespace Kernel
 		return BAN::UniqPtr<MemoryRegion>(BAN::move(region));
 	}
 
-}
+}

kernel/kernel/FS/TmpFS/FileSystem.cpp

@@ -197,7 +197,7 @@ namespace Kernel
 		LockGuard _(m_lock);
 
 		size_t result = first_data_page;
-		TRY(for_each_indirect_paddr_allocating(m_data_pages, [&] (paddr_t paddr, bool allocated) {
+		TRY(for_each_indirect_paddr_allocating(m_data_pages, [&] (paddr_t, bool allocated) {
 			if (allocated)
 				return BAN::Iteration::Break;
 			result++;

kernel/kernel/Memory/FileBackedRegion.cpp

@@ -194,7 +194,7 @@ namespace Kernel
 		return true;
 	}
 
-	BAN::ErrorOr<BAN::UniqPtr<MemoryRegion>> FileBackedRegion::clone(PageTable& new_page_table)
+	BAN::ErrorOr<BAN::UniqPtr<MemoryRegion>> FileBackedRegion::clone(PageTable&)
 	{
 		ASSERT_NOT_REACHED();
 	}

kernel/kernel/Memory/kmalloc.cpp

@@ -289,8 +289,11 @@ static constexpr bool is_power_of_two(size_t value)
 	return (value & (value - 1)) == 0;
 }
 
-void* kmalloc(size_t size, size_t align, bool force_indentity_map)
+void* kmalloc(size_t size, size_t align, bool force_identity_map)
 {
+	// currently kmalloc is always identity mapped
+	(void)force_identity_map;
+
 	const kmalloc_info& info = s_kmalloc_info;
 
 	ASSERT(is_power_of_two(align));

userspace/CMakeLists.txt

@@ -39,6 +39,8 @@ endforeach()
 add_custom_target(userspace)
 add_custom_target(userspace-install DEPENDS userspace)
 
+add_subdirectory(aoc2023)
+
 foreach(USERSPACE_PROJECT ${USERSPACE_PROJECTS})
 	target_compile_options(${USERSPACE_PROJECT} PRIVATE -g)
 	add_dependencies(${USERSPACE_PROJECT} libc-install ban-install)

userspace/aoc2023/CMakeLists.txt

@@ -0,0 +1,24 @@
+cmake_minimum_required(VERSION 3.26)
+
+project(aoc2023 CXX)
+
+set(AOC2023_PROJECTS
+	day1
+)
+
+foreach(AOC2023_PROJECT ${AOC2023_PROJECTS})
+	add_subdirectory(${AOC2023_PROJECT})
+endforeach()
+
+add_custom_target(aoc2023)
+add_custom_target(aoc2023-install DEPENDS aoc2023)
+
+foreach(AOC2023_PROJECT ${AOC2023_PROJECTS})
+	target_compile_options(${AOC2023_PROJECT} PRIVATE -g)
+	add_dependencies(${AOC2023_PROJECT} libc-install ban-install )
+	add_dependencies(aoc2023 ${AOC2023_PROJECT})
+	add_dependencies(aoc2023-install ${AOC2023_PROJECT}-install)
+endforeach()
+
+add_dependencies(userspace aoc2023)
+add_dependencies(userspace-install aoc2023-install)

userspace/aoc2023/day1/CMakeLists.txt

@@ -0,0 +1,17 @@
+cmake_minimum_required(VERSION 3.26)
+
+project(day1 CXX)
+
+set(SOURCES
+	main.cpp
+)
+
+add_executable(day1 ${SOURCES})
+target_compile_options(day1 PUBLIC -O2 -g)
+target_link_libraries(day1 PUBLIC libc)
+
+add_custom_target(day1-install
+	COMMAND ${CMAKE_COMMAND} -E make_directory ${BANAN_BIN}/aoc2023
+	COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_BINARY_DIR}/day1 ${BANAN_BIN}/aoc2023/
+	DEPENDS day1
+)

userspace/aoc2023/day1/main.cpp

@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main()
+{
+	printf("hello world\n");
+}

userspace/init/main.cpp

@@ -8,6 +8,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <termios.h>
 
 void initialize_stdio()
 {
@@ -26,8 +27,13 @@ int main()
 
 	bool first = true;
 
+	termios termios;
+	tcgetattr(STDIN_FILENO, &termios);
+
 	while (true)
 	{
+		tcsetattr(STDIN_FILENO, TCSANOW, &termios);
+
 		char name_buffer[128];
 
 		while (!first)