Merge pull request #14 from 0Nera/feature

Исправлена работа модулей, повышена стабильность системы

.github/workflows/build.yml

@@ -3,8 +3,6 @@ name: CI BUILD
 on:
   push:
     branches-ignore: [ "pages" ]
-  pull_request:
-    branches-ignore: [ "pages" ]
 
 jobs:
   build:
@@ -28,7 +26,8 @@ jobs:
     - name: build
       run: |
         dos2unix *.sh
-        chmod +x build.sh
+        chmod +x *.sh
+        ./build_mods.sh
         ./build.sh
 
     - name: check root dir

.github/workflows/codeql.yml

@@ -13,9 +13,7 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [ "master" ]
-  pull_request:
-    branches: [ "master" ]
+    branches-ignore: [ "pages" ]
   schedule:
     - cron: '28 15 * * 1'
 
@@ -40,7 +38,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        language: [ 'c-cpp', 'python' ]
+        language: [ 'c-cpp']
         # CodeQL supports [ 'c-cpp', 'csharp', 'go', 'java-kotlin', 'javascript-typescript', 'python', 'ruby', 'swift' ]
         # Use only 'java-kotlin' to analyze code written in Java, Kotlin or both
         # Use only 'javascript-typescript' to analyze code written in JavaScript, TypeScript or both
@@ -71,7 +69,9 @@ jobs:
         sudo apt upgrade
         sudo apt install clang-format python3 unzip git qemu-system-x86 qemu-system-gui gdisk dos2unix xorriso
         sudo apt install libc6
-        chmod +x build.sh
+        dos2unix *.sh
+        chmod +x *.sh
+        ./build_mods.sh
         ./build.sh
 
     - name: Perform CodeQL Analysis

.github/workflows/release.yml

@@ -25,7 +25,8 @@ jobs:
     - name: build
       run: |
         dos2unix *.sh
-        chmod +x build.sh
+        chmod +x *.sh
+        ./build_mods.sh
         ./build.sh
 
     - name: save
@@ -36,11 +37,6 @@ jobs:
         cp ${{ github.workspace }}/bmosp.iso ${{ github.workspace }}/rel/
         cp ${{ github.workspace }}/LICENSE ${{ github.workspace }}/rel/
 
-    - uses: actions/upload-artifact@v3
-      with:
-        name: bmosp.hdd
-        path: ${{ github.workspace }}/bmosp.hdd
-
     - uses: actions/upload-artifact@v3
       with:
         name: bmosp.iso

build.sh

@@ -3,24 +3,3 @@
 dos2unix *.sh
 
 python3 scripts/pbuild.py
-
-cd modlib/lib/
-dos2unix build.sh
-chmod +x build.sh
-./build.sh
-cd ../..
-
-cd modules/
-mkdir -p bin
-dos2unix */*.sh
-chmod +x */build.sh
-
-for dir in */; do
-	if [ $dir != "bin/" ]; then
-		cd $dir
-		./build.sh
-		cd ..
-	fi
-done
-
-cd ..

build_mods.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+dos2unix *.sh
+
+cd modlib/lib/
+dos2unix build.sh
+chmod +x build.sh
+./build.sh
+cd ../..
+
+cd modules/
+mkdir -p bin
+dos2unix */*.sh
+chmod +x */build.sh
+
+for dir in */; do
+	if [ $dir != "bin/" ]; then
+		cd $dir
+		./build.sh
+		cd ..
+	fi
+done
+
+cd ..

configs/limine.cfg

@@ -11,7 +11,7 @@ TERM_WALLPAPER=boot:///mod/boot.jpg
 :BMOSP (KASLR off)
 	#RESOLUTION=640x480
 	#RESOLUTION=1024x768
-	RESOLUTION=1280x720
+	RESOLUTION=1280x720x32
 	PROTOCOL=limine
 	KASLR=no
 	KERNEL_PATH=boot:///kernel.elf
@@ -34,5 +34,8 @@ TERM_WALLPAPER=boot:///mod/boot.jpg
 	MODULE_PATH=boot:///mod/hello.ko
 	MODULE_CMDLINE=[MOD]hello.ko
 
+	MODULE_PATH=boot:///mod/doom.ko
+	MODULE_CMDLINE=[MOD]doom.ko
+
 	MODULE_PATH=boot:///mod/ios.ko
 	MODULE_CMDLINE=[MOD][IO]ios.ko

docs/BUILD.md

@@ -16,7 +16,8 @@ sudo apt install unzip
 sudo apt install clang-format python3 git qemu-system-x86 qemu-system-gui gdisk dos2unix xorriso libc6 gcc make curl mtools
 git clone https://git.synapseos.ru/Aren/BMOSP.git
 cd BMOSP/
-chmod +x build.sh
+chmod +x *.sh
+./build_mods.sh
 ./build.sh
 ```
 
@@ -29,7 +30,9 @@ chmod +x build.sh
 sudo apt install clang-format python3.7 git qemu-system-x86 gdisk dos2unix xorriso libc6 gcc make curl mtools
 git clone https://git.synapseos.ru/Aren/BMOSP.git
 cd BMOSP/
-python3.7 pbuild.py
+chmod +x *.sh
+./build_mods.sh
+./build.sh
 ```
 
 ## Запуск

include/arch.h

@@ -127,6 +127,26 @@ static inline void *hal_memset_32(void *s, uint32_t c, int64_t count) {
 	return s;
 }
 
+static inline void *hal_memcpy(void *dest, const void *src, int64_t count) {
+	int64_t d0, d1;
+	asm volatile("rep\n\t"
+	             "movsb"
+	             : "=&c"(d0), "=&D"(d1)
+	             : "S"(src), "0"(count), "1"(dest)
+	             : "memory");
+	return dest;
+}
+
+static inline void *hal_memcpy32(void *dest, const void *src, int64_t count) {
+	int64_t d0, d1;
+	asm volatile("rep\n\t"
+	             "movsl"
+	             : "=&c"(d0), "=&D"(d1)
+	             : "S"(src), "0"(count), "1"(dest)
+	             : "memory");
+	return dest;
+}
+
 #define GET_TICK_BIG arch_get_tick_b( )
 #define GET_TICK_lOW arch_get_tick_l( )
 

include/fb.h

@@ -31,6 +31,7 @@ extern int fb_init_status;
 extern uint32_t *fb_addr;
 extern uint64_t width;
 extern uint64_t height;
+extern uint16_t bpp;
 
 #define SCREEN_WIDTH width
 #define SCREEN_HEIGHT height

include/log.h

@@ -21,7 +21,6 @@
 void log_init( );
 void log_init_mem( );
 void log_printf(char *str, ...);
-char *utf8cp(char *str);
 
 #ifndef NO_DEBUG
 #define LOG(...)                                                                                                       \

include/sys.h

@@ -81,6 +81,7 @@ typedef struct env_t_s {
 	module_info_t *(*mod_list_get)(uint64_t *count);
 	uint64_t (*new_thread)(void (*func)(void *), char *name, void *arg);
 	void (*delete_thread)( );
+	void (*task_switch)( );
 	time_t (*get_time)( );
 	void (*set_int)(uint8_t vector, void (*handler)(void *));
 	void (*mod_update_info)(struct env_t_s *ret);

include/version.h

@@ -1,3 +1,3 @@
 #define VERSION_MAJOR 0
 #define VERSION_MINOR 2
-#define VERSION_BUILD 202
+#define VERSION_BUILD 257

kernel/cpu/cpu.c

@@ -146,15 +146,9 @@ void cpu_init( ) {
 
 	cpuid(1, &eax, &ebx, &ecx, &edx);
 
-	if ((edx >> 0) & 1) {
-		asm volatile("finit");
-		LOG("FPU(x87) поддерживается!\n");
-	}
-
 	if ((edx >> 25) & 1) {
 		LOG("SSE2 поддерживается!\n");
-		LOG("Адрес региона fxsave 0x%x\n", &fxsave_region);
-		asm volatile(" fxsave %0 " ::"m"(fxsave_region));
+		fpu_initialize( );
 		uint32_t sse_version = (ecx >> 25) & 0x7;
 		LOG("SSE%u включен\n", sse_version);
 	}

kernel/cpu/task.c

@@ -78,7 +78,7 @@ uint64_t task_new_thread(void (*func)(void *), char *name, void *arg) {
 	current_task->next->last = new_task;
 	current_task->next = new_task;
 
-	LOG("Создан новый поток с ID: %u\n", new_task->id);
+	LOG("Создан новый поток с ID: %u (%s)\n", new_task->id, name);
 
 	if (full_init == 0) { current_task = new_task; }
 

kernel/cpu/task_switch.s

@@ -25,3 +25,23 @@ task_switch_asm:
 	popfq
 	sti
 	retq
+
+.global fpu_initialize
+fpu_initialize:
+    clts
+    mov %cr0, %rax
+    and $0xFFFD, %ax
+    or $0x10, %ax
+    mov %rax, %cr0
+    fninit
+    mov %cr0, %rax
+    and $0xfffb, %ax
+    or $0x0002, %ax
+    mov %rax, %cr0
+    mov %cr4, %rax
+    or $0x600, %rax
+    mov %rax, %cr4
+    pushq $0x1F80
+    ldmxcsr (%rsp)
+    addq $8, %rsp
+    ret

kernel/log.c

@@ -118,7 +118,7 @@ void log_init_mem( ) {
 	tool_memcpy(log_buffer, start_buffer, buf_max);
 	buf_max = ((SCREEN_WIDTH - 4) / FONT_WIDTH) * (SCREEN_HEIGHT / FONT_HEIGHT);
 	LOG("Размер буффера: %u символов\n", buf_max);
-	LOG("%ux%u\n", width, height);
+	LOG("%ux%u %u\n", width, height, bpp);
 	redraw_screen( );
 	lock_release(log_lock);
 }

kernel/mod.c

@@ -31,8 +31,9 @@ uint64_t bootpng_size;
 
 // Вывод списка модулей в отладчик
 void mod_list_show( ) {
+	LOG("Список модулей:\n");
 	for (uint64_t i = 0; i < modules_count; i++) {
-		LOG("Имя: %s\n", module_list[i].name ? module_list[i].name : "(NULL)");
+		LOG("Имя: %s | ID: %u \n", module_list[i].name ? module_list[i].name : "(NULL)", i);
 		LOG("Описание модуля: %s\n", module_list[i].message ? module_list[i].message : "(NULL)");
 		LOG("Тип модуля: %u\n", module_list[i].type);
 		LOG("Код ошибки модуля: %u\n", module_list[i].err_code);
@@ -44,16 +45,6 @@ void mod_list_show( ) {
 	}
 }
 
-// Запуск модулей имеющих дополнительную точку входа
-void mod_after_init( ) {
-	for (uint64_t i = 0; i < modules_count; i++) {
-		if (module_list[i].after_init != 0) {
-			LOG("%s.after_init( );\n", module_list[i].name);
-			task_new_thread(module_list[i].after_init, module_list[i].name, NULL);
-		}
-	}
-}
-
 // Запуск модулей имеющих дополнительную точку входа
 module_info_t *mod_list_get(uint64_t *count) {
 	*count = modules_count;
@@ -133,7 +124,7 @@ void mod_init( ) {
 		main_env->id = modules_count;
 		sys_install(main_env);
 
-		uint64_t id = task_new_thread((void (*)(void *))module_init, module_list[i].name, main_env);
+		task_new_thread((void (*)(void *))module_init, module_list[i].name, main_env);
 		module_list[modules_count].env = (void *)main_env;
 		module_list[modules_count].name = 0;
 		module_list[modules_count].message = 0;

kernel/start.c

@@ -43,29 +43,27 @@ void _start( ) {
 	full_init = 1;
 
 	task_after_init( );
+	mem_get_stat( );
 
 	LOG("Готово! Для выхода из симуляции удерживайте: ESCAPE\n");
 	asm volatile("sti");
-
 	for (;;) {
 		task_t *task = current_task;
-
-		// Поиск задачи по ID
 		do {
 			task = task->next;
 			if (task->status == 0) {
-				LOG("УДАЛЕНИЕ %u(%s)\n", task->id, task->id_str);
+				// LOG("УДАЛЕНИЕ %u(%s)\n", task->id, task->id_str);
 				task_t *prev = task->last;
 				task_t *next = task->next;
 
-				// Обновляем связи в двусвязном списке
 				prev->next = next;
 				next->last = prev;
 
-				// Освобождаем память, выделенную под стек и структуру текущего потока
 				mem_free(task->stack);
 				mem_free(task);
 			}
 		} while (task->id != 0);
+
+		task_switch( );
 	}
-}
+}

kernel/sys.c

@@ -62,6 +62,7 @@ env_t *sys_install(env_t *module) {
 	module->mod_list_get = &mod_list_get;
 	module->new_thread = &task_new_thread;
 	module->delete_thread = &task_del_current;
+	module->task_switch = &task_switch;
 	module->get_time = &rtc_get_time;
 	module->set_int = &idt_set_int;
 	module->mod_update_info = &mod_update_info;

modlib/lib/system.c

@@ -21,6 +21,7 @@ int (*get_error)( );
 sys_info_t *(*get_info)( );
 uint64_t (*new_thread)(void (*func)(void *), char *name, void *arg);
 void (*delete_thread)( );
+void (*task_switch)( );
 time_t (*get_time)( );
 void (*mod_update_info)(env_t *ret);
 void (*set_int)(uint8_t vector, void (*func)(void *));
@@ -43,6 +44,7 @@ void init_env(env_t *loader_env) {
 	get_info = loader_env->get_info;
 	new_thread = loader_env->new_thread;
 	delete_thread = loader_env->delete_thread;
+	task_switch = loader_env->task_switch;
 	get_time = loader_env->get_time;
 	mod_update_info = loader_env->mod_update_info;
 	set_int = loader_env->set_int;

modlib/system.h

@@ -24,6 +24,7 @@ extern int (*get_error)( );
 extern sys_info_t *(*get_info)( );
 extern uint64_t (*new_thread)(void (*func)(void *), char *name, void *arg);
 extern void (*delete_thread)( );
+extern void (*task_switch)( );
 extern time_t (*get_time)( );
 extern void (*mod_update_info)(env_t *ret);
 extern void (*set_int)(uint8_t vector, void (*func)(void *));

modlib/types.h

@@ -121,6 +121,7 @@ typedef struct env_t_s {
 	module_info_t *(*mod_list_get)(uint64_t *count);
 	uint64_t (*new_thread)(void (*func)(void *), char *name, void *arg);
 	void (*delete_thread)( );
+	void (*task_switch)( );
 	time_t (*get_time)( );
 	void (*set_int)(uint8_t vector, int_entry_t handler);
 	void (*mod_update_info)(struct env_t_s *ret);

modules/doom/.gitignore

@@ -0,0 +1,2 @@
+PureDOOM.h
+*.wad

modules/doom/build.sh

@@ -0,0 +1,20 @@
+#/bin/sh
+echo "Название: DOOM"
+echo "Лицензия: Публичное достояние"
+
+CC=${CC:-gcc}
+ARCH_FLAGS="-fno-stack-protector -ffreestanding -O0 -g -fPIC -static -nostdlib "
+
+if [ -d "../../sdk" ]; then
+	CC="../../sdk/bin/x86_64-elf-gcc"
+fi
+
+wget https://github.com/Daivuk/PureDOOM/raw/refs/heads/master/PureDOOM.h
+wget https://github.com/Daivuk/PureDOOM/raw/refs/heads/master/doom1.wad
+
+$CC $ARCH_FLAGS -I../../modlib -finput-charset=UTF-8 -fexec-charset=cp1251 -c main.c -o doom.o
+$CC $ARCH_FLAGS -Wl,--entry=init,--build-id=none -T ../link.ld doom.o -L../../modlib/lib/ -lmod -o doom.ko
+
+cp doom.ko ../bin/
+cp doom1.wad ../bin/
+echo "Сборка завершена, файл: doom.ko"

modules/doom/main.c

@@ -0,0 +1,27 @@
+#include "PureDOOM.h"
+#include <system.h>
+
+static const char name[] = "[APP]DOOM";
+static const char message[] = "DOOM :)";
+
+static int app_main( ) {
+	log_printf("[%s]\n", message);
+	return 2 + 2;
+}
+
+void __attribute__((section(".minit"))) init(env_t *env) {
+	init_env(env);
+	env->ret = &((module_info_t){ .name = (char *)&name,
+	                              .message = (char *)&message,
+	                              .type = 0,
+	                              .data_size = 0,
+	                              .data = (void *)&app_main,
+	                              .err_code = 0,
+	                              .module_id = 0,
+	                              .irq = 0,
+	                              .irq_handler = 0,
+	                              .get_func = 0,
+	                              .after_init = 0 });
+	mod_update_info(env);
+	delete_thread( );
+}

modules/ios/main.c

@@ -1,7 +1,7 @@
 #include <system.h>
 
 static module_info_t *mod_list = NULL;
-static uint64_t *mod_count = NULL;
+static uint64_t mod_count = 0;
 static uint64_t app_count = 0;
 static module_info_t *app_list = NULL;
 static char (*getc)( ) = NULL;
@@ -64,39 +64,37 @@ void ios_main( ) {
 
 static void main( ) {
 	log_printf("IOS (input-output shell) - оболочка ввода-вывода\n");
-	mod_count = alloc(sizeof(uint64_t));
-	mod_list = mod_list_get(mod_count);
+	mod_list = mod_list_get(&mod_count);
 
-	app_list = alloc((*mod_count) * sizeof(module_info_t));
+	app_list = alloc((mod_count) * sizeof(module_info_t));
 
 	if (app_list == NULL) {
 		log_printf("Ошибка выделения памяти для app_list!\n");
 		delete_thread( );
-		mod_update_info(env);
 		for (;;) { asm volatile("hlt"); }
 	}
 
 	app_count = 0;
 
-	for (uint64_t i = 0; i < *mod_count; i++) {
-		if (str_contains(mod_list[i].name, "[APP]")) {
-			// log_printf("%u. %s\n", app_count, mod_list[i].name);
-			app_list[app_count] = mod_list[i];
-			app_count++;
+	log_printf("%u модулей\n", mod_count);
+	for (uint64_t i = 0; i < mod_count; i++) {
+		if (mod_list[i].name) {
+			if (str_contains(mod_list[i].name, "[APP]")) {
+				// log_printf("%u. %s\n", app_count, mod_list[i].name);
+				app_list[app_count] = mod_list[i];
+				app_count++;
+			}
 		}
 	}
 
-	free(mod_count);
-
 	if (app_count < 1) {
 		log_printf("Модулей-программ не обнаружено!\n");
 		free(app_list);
 		delete_thread( );
-		mod_update_info(env);
 	} else {
 		app_list = realloc(app_list, app_count * sizeof(module_info_t));
 		ios_main( );
-		for (;;) { asm volatile("hlt"); }
+		for (;;) { delete_thread( ); }
 	}
 
 	for (;;) { asm volatile("hlt"); }
@@ -118,5 +116,7 @@ void __attribute__((section(".minit"))) init(env_t *envm) {
 	                              .get_func = 0,
 	                              .after_init = main });
 	mod_update_info(env);
-	delete_thread( );
+	task_switch( );
+	main( );
+	for (;;) { delete_thread( ); }
 }

modules/pci/build.sh

@@ -4,7 +4,7 @@ echo "Лицензия: Публичное достояние"
 
 
 CC=${CC:-gcc}
-ARCH_FLAGS="-fno-stack-protector -ffreestanding -O0 -g -fPIC -static -nostdlib "
+ARCH_FLAGS="-fno-stack-protector -fdata-sections -fno-stack-check -ffreestanding -O0 -g -fPIC -static -nostdlib "
 
 if [ -d "../../sdk" ]; then
 	CC="../../sdk/bin/x86_64-elf-gcc"

modules/pci/main.c

@@ -114,18 +114,6 @@ static inline void scan( ) {
 	}
 }
 
-module_info_t mod = { .name = (char *)"[PCI]",
-	                  .message = (char *)"PCI драйвер",
-	                  .type = 0,
-	                  .data_size = 0,
-	                  .data = (void *)0,
-	                  .err_code = 0,
-	                  .module_id = 0,
-	                  .irq = 0,
-	                  .irq_handler = 0,
-	                  .get_func = 0,
-	                  .after_init = 0 };
-
 void __attribute__((section(".minit"))) init(env_t *env) {
 	init_env(env);
 
@@ -143,7 +131,17 @@ void __attribute__((section(".minit"))) init(env_t *env) {
 	}
 
 	scan( );
-	env->ret = &mod;
+	env->ret = &((module_info_t){ .name = "[PCI]",
+	                              .message = "PCI драйвер",
+	                              .type = 0,
+	                              .data_size = 0,
+	                              .data = 0,
+	                              .err_code = 0,
+	                              .module_id = 0,
+	                              .irq = 0,
+	                              .irq_handler = 0,
+	                              .get_func = 0,
+	                              .after_init = 0 });
 	mod_update_info(env);
 	delete_thread( );
 }

modules/pci/pci_data.c

@@ -59,33 +59,32 @@ static void print_vendors(uint64_t num_vendors, vendor_t **vendor_list) {
 	}
 }
 
-module_info_t mod = { .name = "[PCI][ADAPTER]",
-	                  .message = "PCI данные",
-	                  .type = 0,
-	                  .data_size = 0,
-	                  .data = 0,
-	                  .err_code = 0,
-	                  .module_id = 0,
-	                  .irq = 0,
-	                  .irq_handler = 0,
-	                  .get_func = 0,
-	                  .after_init = 0 };
-
 void __attribute__((section(".minit"))) init(env_t *env) {
 	init_env(env);
 
 	module_info_t *pci_data = get_module("[PCI][DATA][VENDORS]");
 
-	if (pci_data == NULL) { log_printf("База PCI не найдена!\n"); }
+	if (pci_data == NULL) {
+		log_printf("[PCI][DATA]База PCI не найдена!\n");
+		delete_thread( );
+	}
 
 	uint64_t num_vendors = count_chars(pci_data->data, ';');
-	log_printf("Количество вендоров: %u\n", num_vendors);
+	log_printf("[PCI][DATA]Количество вендоров: %u\n", num_vendors);
 
 	vendor_t **vendor_list = parse_file(pci_data->data, num_vendors, pci_data->data_size);
 	// print_vendors(num_vendors, vendor_list);
-	mod.data_size = num_vendors;
-	mod.data = vendor_list;
-	env->ret = &mod;
+	env->ret = &((module_info_t){ .name = "[PCI][ADAPTER]",
+	                              .message = "PCI данные",
+	                              .type = 0,
+	                              .data_size = num_vendors,
+	                              .data = vendor_list,
+	                              .err_code = 0,
+	                              .module_id = 0,
+	                              .irq = 0,
+	                              .irq_handler = 0,
+	                              .get_func = 0,
+	                              .after_init = 0 });
 	log_printf("Готово %x\n", vendor_list);
 	mod_update_info(env);
 	delete_thread( );

modules/ps2/main.c

@@ -161,6 +161,8 @@ void __attribute__((section(".minit"))) init(env_t *env) {
 	                              .irq = 33,
 	                              .irq_handler = &handler,
 	                              .get_func = __get_func });
+	log_printf("Драйвер PS/2 клавиатуры установлен\n");
+	set_int(33, handler);
 	mod_update_info(env);
 	delete_thread( );
 }

scripts/pbuild.py

@@ -14,8 +14,8 @@ if "^.M" in output:
 ARCH_FLAGS = "-m64 -march=x86-64 -mabi=sysv -mno-red-zone -mcmodel=kernel -MMD -MP"
 WARN_FLAGS = "-Wall -Wextra -nostdlib"
 STANDART_FLAGS = f"-std=gnu11 -DKERNEL_GIT_TAG=\\\"{__VERSION}\\\"" # -DNO_DEBUG=1
-PROTECT_FLAGS = "-O0 -pipe -ffreestanding -fno-stack-protector -fno-lto -fno-stack-check -fno-PIC -fno-PIE"
-PROTECT_FLAGS += " -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -ffunction-sections -fdata-sections"
+PROTECT_FLAGS = "-O0 -pipe -ffreestanding -fno-stack-protector -fdata-sections -fno-lto -fno-stack-check -fno-PIC -fno-PIE"
+PROTECT_FLAGS += " -mno-mmx -mno-3dnow -mno-avx -ffunction-sections -fdata-sections"
 CHARSET_FLAGS = "-finput-charset=UTF-8 -fexec-charset=cp1251" #""
 LIBS_FLAGS = "-Ilimine -Iinclude"
 FORMAT_CMD = """find . \( -name "*.c" -o -name "*.h" -o -name "*.cpp" -o -name "*.hpp" \) -print0 | xargs -0 clang-format -i -style=file"""