Restructure source files

.ycm_extra_conf.py

@@ -0,0 +1,147 @@
+# Generated by YCM Generator at 2019-09-16 12:39:32.163870
+
+# This file is NOT licensed under the GPLv3, which is the license for the rest
+# of YouCompleteMe.
+#
+# Here's the license text for this file:
+#
+# This is free and unencumbered software released into the public domain.
+#
+# Anyone is free to copy, modify, publish, use, compile, sell, or
+# distribute this software, either in source code form or as a compiled
+# binary, for any purpose, commercial or non-commercial, and by any
+# means.
+#
+# In jurisdictions that recognize copyright laws, the author or authors
+# of this software dedicate any and all copyright interest in the
+# software to the public domain. We make this dedication for the benefit
+# of the public at large and to the detriment of our heirs and
+# successors. We intend this dedication to be an overt act of
+# relinquishment in perpetuity of all present and future rights to this
+# software under copyright law.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+# For more information, please refer to <http://unlicense.org/>
+
+import os
+import ycm_core
+
+flags = [
+    '-x',
+    'c',
+    '-DARCH_AMD64',
+    '-I.',
+    '-Iinclude',
+    '-Wall',
+    '-Werror',
+    '-Wextra',
+    '-Wno-unused-parameter',
+    '-Wpedantic',
+    '-m64',
+    '-nostdlib',
+]
+
+
+# Set this to the absolute path to the folder (NOT the file!) containing the
+# compile_commands.json file to use that instead of 'flags'. See here for
+# more details: http://clang.llvm.org/docs/JSONCompilationDatabase.html
+#
+# You can get CMake to generate this file for you by adding:
+#   set( CMAKE_EXPORT_COMPILE_COMMANDS 1 )
+# to your CMakeLists.txt file.
+#
+# Most projects will NOT need to set this to anything; you can just change the
+# 'flags' list of compilation flags. Notice that YCM itself uses that approach.
+compilation_database_folder = ''
+
+if os.path.exists( compilation_database_folder ):
+  database = ycm_core.CompilationDatabase( compilation_database_folder )
+else:
+  database = None
+
+SOURCE_EXTENSIONS = [ '.C', '.cpp', '.cxx', '.cc', '.c', '.m', '.mm' ]
+
+def DirectoryOfThisScript():
+  return os.path.dirname( os.path.abspath( __file__ ) )
+
+
+def MakeRelativePathsInFlagsAbsolute( flags, working_directory ):
+  if not working_directory:
+    return list( flags )
+  new_flags = []
+  make_next_absolute = False
+  path_flags = [ '-isystem', '-I', '-iquote', '--sysroot=' ]
+  for flag in flags:
+    new_flag = flag
+
+    if make_next_absolute:
+      make_next_absolute = False
+      if not flag.startswith( '/' ):
+        new_flag = os.path.join( working_directory, flag )
+
+    for path_flag in path_flags:
+      if flag == path_flag:
+        make_next_absolute = True
+        break
+
+      if flag.startswith( path_flag ):
+        path = flag[ len( path_flag ): ]
+        new_flag = path_flag + os.path.join( working_directory, path )
+        break
+
+    if new_flag:
+      new_flags.append( new_flag )
+  return new_flags
+
+
+def IsHeaderFile( filename ):
+  extension = os.path.splitext( filename )[ 1 ]
+  return extension in [ '.H', '.h', '.hxx', '.hpp', '.hh' ]
+
+
+def GetCompilationInfoForFile( filename ):
+  # The compilation_commands.json file generated by CMake does not have entries
+  # for header files. So we do our best by asking the db for flags for a
+  # corresponding source file, if any. If one exists, the flags for that file
+  # should be good enough.
+  if IsHeaderFile( filename ):
+    basename = os.path.splitext( filename )[ 0 ]
+    for extension in SOURCE_EXTENSIONS:
+      replacement_file = basename + extension
+      if os.path.exists( replacement_file ):
+        compilation_info = database.GetCompilationInfoForFile(
+          replacement_file )
+        if compilation_info.compiler_flags_:
+          return compilation_info
+    return None
+  return database.GetCompilationInfoForFile( filename )
+
+
+def FlagsForFile( filename, **kwargs ):
+  if database:
+    # Bear in mind that compilation_info.compiler_flags_ does NOT return a
+    # python list, but a "list-like" StringVec object
+    compilation_info = GetCompilationInfoForFile( filename )
+    if not compilation_info:
+      return None
+
+    final_flags = MakeRelativePathsInFlagsAbsolute(
+      compilation_info.compiler_flags_,
+      compilation_info.compiler_working_dir_ )
+
+  else:
+    relative_to = DirectoryOfThisScript()
+    final_flags = MakeRelativePathsInFlagsAbsolute( flags, relative_to )
+
+  return {
+    'flags': final_flags,
+    'do_cache': True
+  }
+

conf/make/amd64.mk

@@ -19,7 +19,7 @@ kernel_OBJS=$(O)/arch/amd64/entry.o \
 			$(OBJS)
 kernel_LINKER=$(S)/arch/amd64/link.ld
 kernel_LDFLAGS=-nostdlib -T$(kernel_LINKER)
-kernel_CFLAGS=-ffreestanding -I$(S) $(DEFINES) $(CFLAGS) -mcmodel=large
+kernel_CFLAGS=-ffreestanding -I. $(DEFINES) $(CFLAGS) -mcmodel=large -m64
 DIRS+=$(O)/arch/amd64/mm \
 	  $(O)/arch/amd64/hw
 # add .inc includes for asm
@@ -44,7 +44,7 @@ loader_OBJS+=$(O)/arch/amd64/loader/boot.o \
 			 $(O)/arch/amd64/loader/loader.o \
 			 $(O)/arch/amd64/loader/util.o
 loader_LINKER=$(S)/arch/amd64/loader/link.ld
-loader_CFLAGS=-ffreestanding -nostdlib -I$(S) -m32
+loader_CFLAGS=-ffreestanding -nostdlib -I. -Iinclude -m32
 loader_LDFLAGS=-nostdlib -melf_i386 -T$(loader_LINKER)
 
 $(O)/loader.elf: $(loader_OBJS) $(loader_LINKER)

conf/make/none.mk

@@ -4,7 +4,8 @@ CFLAGS+=-Wall \
 		-Wextra \
 		-Werror \
 		-Wpedantic \
-		-Wno-unused-parameter
+		-Wno-unused-parameter \
+		-Iinclude
 
 DIRS+=$(O)/sys
 OBJS+=$(O)/sys/mem.o \

include/arch/amd64/mm.h

@@ -1,4 +1,5 @@
 #pragma once
+#include <stdint.h>
 
 /// The place where the kernel pages are virtually mapped to
 #define KERNEL_VIRT_BASE        0xFFFFFF0000000000

src/arch/amd64/hw/exc.c

@@ -1,6 +1,6 @@
-#include "ints.h"
+#include "arch/amd64/hw/ints.h"
+#include "arch/amd64/regs.h"
 #include "sys/debug.h"
-#include "regs.h"
 
 int amd64_err_num;
 

src/arch/amd64/hw/gdt.c

@@ -1,4 +1,4 @@
-#include "gdt.h"
+#include "arch/amd64/hw/gdt.h"
 
 extern void amd64_reload_segs(void);
 

src/arch/amd64/hw/idt.c

@@ -1,5 +1,5 @@
-#include "ints.h"
-#include "pic8259.h"
+#include "arch/amd64/hw/ints.h"
+#include "arch/amd64/hw/pic8259.h"
 #include "sys/mem.h"
 #include <stdint.h>
 #include <stddef.h>

src/arch/amd64/hw/ints.S

@@ -1,4 +1,4 @@
-#include "int_macros.inc"
+#include "arch/amd64/hw/int_macros.inc"
 .section .text
 .extern amd64_err_num
 

src/arch/amd64/hw/irq0.S

@@ -1,4 +1,4 @@
-#include "int_macros.inc"
+#include "arch/amd64/hw/int_macros.inc"
 
 .section .text
 .global amd64_irq_0

src/arch/amd64/hw/irqs.S

@@ -1,4 +1,4 @@
-#include "int_macros.inc"
+#include "arch/amd64/hw/int_macros.inc"
 .section .text
 .extern panicf
 

src/arch/amd64/hw/pic8259.c

@@ -1,5 +1,5 @@
-#include "pic8259.h"
-#include "io.h"
+#include "arch/amd64/hw/pic8259.h"
+#include "arch/amd64/hw/io.h"
 
 #define PIC_MCMD    0x20
 #define PIC_MDAT    0x21

src/arch/amd64/hw/regs.c

@@ -1,4 +1,4 @@
-#include "regs.h"
+#include "arch/amd64/regs.h"
 #include "sys/debug.h"
 
 void amd64_ctx_dump(int level, const amd64_ctx_regs_t *regs) {

src/arch/amd64/hw/rs232.c

@@ -1,5 +1,5 @@
-#include "rs232.h"
-#include "io.h"
+#include "arch/amd64/hw/rs232.h"
+#include "arch/amd64/hw/io.h"
 
 void rs232_init(uint16_t port) {
     // Do nothing yet

src/arch/amd64/loader/loader.c

@@ -1,5 +1,5 @@
-#include "multiboot.h"
-#include "util.h"
+#include "arch/amd64/loader/multiboot.h"
+#include "arch/amd64/loader/util.h"
 #include "elf.h"
 
 #define KERNEL_VIRT_BASE        0xFFFFFF0000000000

src/arch/amd64/loader/util.c

@@ -1,4 +1,4 @@
-#include "util.h"
+#include "arch/amd64/loader/util.h"
 
 void *memset(void *blk, int v, size_t sz) {
     for (size_t i = 0; i < sz; ++i) {

src/arch/amd64/mm/map.c

@@ -2,7 +2,7 @@
 #include "sys/debug.h"
 #include "sys/panic.h"
 #include "sys/mem.h"
-#include "pool.h"
+#include "arch/amd64/mm/pool.h"
 
 static int amd64_mm_map_single(mm_space_t pml4, uintptr_t virt_addr, uintptr_t phys, uint32_t flags) {
     size_t pml4i = (virt_addr >> 39) & 0x1FF;

src/arch/amd64/mm/mm.c

@@ -1,7 +1,7 @@
 #include "sys/mem.h"
 #include "sys/debug.h"
 #include "sys/mm.h"
-#include "pool.h"
+#include "arch/amd64/mm/pool.h"
 
 mm_space_t mm_kernel;
 

src/arch/amd64/mm/pool.c

@@ -1,7 +1,7 @@
-#include "pool.h"
+#include "arch/amd64/mm/pool.h"
+#include "arch/amd64/mm.h"
 #include "sys/debug.h"
 #include "sys/mem.h"
-#include "../mm.h"
 
 static struct {
     uint64_t track[512];

src/sys/debug.c

@@ -1,4 +1,4 @@
-#include "debug.h"
+#include "sys/debug.h"
 #include "string.h"
 #include <stdint.h>
 #include "sys/attr.h"

src/sys/mem.c

@@ -1,4 +1,4 @@
-#include "mem.h"
+#include "sys/mem.h"
 
 void *memset(void *blk, int v, size_t sz) {
     for (size_t i = 0; i < sz; ++i) {

src/sys/panic.c

@@ -1,5 +1,5 @@
-#include "panic.h"
-#include "debug.h"
+#include "sys/panic.h"
+#include "sys/debug.h"
 
 void panicf(const char *fmt, ...) {
     va_list args;