Merge 06a79a1a06 into a95d5559de

Update Zealbooter build system from Limine template

meta/check_code.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+
+import os
+from pathlib import Path
+
+os.chdir(os.path.realpath(os.path.dirname(__file__))+'/../src')
+
+for f in Path(os.getcwd()).glob('**/*'):
+    if not f.is_file():
+        continue
+
+    if not os.path.basename(f).lower().endswith('.zc'):
+        continue
+
+    contents = b''
+    with open(f, 'r+b') as file:
+        contents = file.read()
+
+        n = contents.find(b'\x05')
+        byte = contents[n]
+
+        if n == -1: continue
+        if contents[n-1] == 0 or contents[n-1] > 127: continue
+        if n+1 < len(contents) and contents[n+1] == 5: continue
+        if contents[n-1] <= 0x1F and (not contents[n-1] in b'\n\r'): continue
+        if n+1 < len(contents) and contents[n+1] <= 0x1F and (not contents[n+1] in b'\n\r'): continue
+
+        contents = contents[0:n:]
+
+        file.seek(0)
+        file.truncate()
+        file.write(contents)
+

meta/install_hooks.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+script_path=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
+cd "${script_path}/.." || exit 1
+
+mkdir -p .git/hooks
+cp meta/pre-commit .git/hooks/.
+

meta/pre-commit

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+set -e
+
+script_path=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
+cd "${script_path}/.." || exit 1
+pwd | grep -q '.git' && cd ..
+
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+NC='\033[0m' # No Color
+
+FAILURES=0
+
+set +e
+
+echo "Running meta/check_code.sh"
+if time meta/check_code.sh "$@" && git diff --exit-code; then
+    echo -e "[${GREEN}GOOD${NC}]: meta/check_code.sh"
+else
+    echo -e "[${RED}FAIL${NC}]: meta/check_code.sh"
+    ((FAILURES+=1))
+fi
+
+exit "${FAILURES}"

zealbooter/GNUmakefile

@@ -1,43 +1,40 @@
 # Nuke built-in rules and variables.
-override MAKEFLAGS += -rR
+MAKEFLAGS += -rR
+.SUFFIXES:
 
 # This is the name that our final executable will have.
 # Change as needed.
 override OUTPUT := kernel
 
 # Convenience macro to reliably declare user overridable variables.
-define DEFAULT_VAR =
+override USER_VARIABLE = $(if $(filter $(origin $(1)),default undefined),$(eval override $(1) := $(2)))
-    ifeq ($(origin $1),default)
-        override $(1) := $(2)
-    endif
-    ifeq ($(origin $1),undefined)
-        override $(1) := $(2)
-    endif
-endef
 
 # User controllable C compiler command.
-override DEFAULT_KCC := cc
+$(call USER_VARIABLE,KCC,cc)
-$(eval $(call DEFAULT_VAR,KCC,$(DEFAULT_KCC)))
 
 # User controllable linker command.
-override DEFAULT_KLD := ld
+$(call USER_VARIABLE,KLD,ld)
-$(eval $(call DEFAULT_VAR,KLD,$(DEFAULT_KLD)))
 
 # User controllable C flags.
-override DEFAULT_KCFLAGS := -g -O2 -pipe
+$(call USER_VARIABLE,KCFLAGS,-g -O2 -pipe)
-$(eval $(call DEFAULT_VAR,KCFLAGS,$(DEFAULT_KCFLAGS)))
 
 # User controllable C preprocessor flags. We set none by default.
-override DEFAULT_KCPPFLAGS :=
+$(call USER_VARIABLE,KCPPFLAGS,)
-$(eval $(call DEFAULT_VAR,KCPPFLAGS,$(DEFAULT_KCPPFLAGS)))
 
 # User controllable nasm flags.
-override DEFAULT_KNASMFLAGS := -F dwarf -g
+$(call USER_VARIABLE,KNASMFLAGS,-F dwarf -g)
-$(eval $(call DEFAULT_VAR,KNASMFLAGS,$(DEFAULT_KNASMFLAGS)))
 
 # User controllable linker flags. We set none by default.
-override DEFAULT_KLDFLAGS :=
+$(call USER_VARIABLE,KLDFLAGS,)
-$(eval $(call DEFAULT_VAR,KLDFLAGS,$(DEFAULT_KLDFLAGS)))
+
+# Check if KCC is Clang.
+override KCC_IS_CLANG := $(shell ! $(KCC) --version 2>/dev/null | grep 'clang' >/dev/null 2>&1; echo $$?)
+
+# If the C compiler is Clang, set the target as needed.
+ifeq ($(KCC_IS_CLANG),1)
+    override KCC += \
+        -target x86_64-unknown-none
+endif
 
 # Internal C flags that should not be changed by the user.
 override KCFLAGS += \

zealbooter/linker.ld

@@ -9,6 +9,7 @@ ENTRY(kmain)
 /* process. */
 PHDRS
 {
+    requests PT_LOAD;
     text     PT_LOAD;
     rodata   PT_LOAD;
     data     PT_LOAD;
@@ -22,6 +23,16 @@ SECTIONS
     /* that is the beginning of the region. */
     . = 0xffffffff80000000;
 
+    /* Define a section to contain the Limine requests and assign it to its own PHDR */
+    .requests : {
+        KEEP(*(.requests_start_marker))
+        KEEP(*(.requests))
+        KEEP(*(.requests_end_marker))
+    } :requests
+
+    /* Move to the next memory page for .text */
+    . = ALIGN(CONSTANT(MAXPAGESIZE));
+
     .text : {
         *(.text .text.*)
     } :text
@@ -38,12 +49,6 @@ SECTIONS
 
     .data : {
         *(.data .data.*)
-
-        /* Place the sections that contain the Limine requests as part of the .data */
-        /* output section. */
-        KEEP(*(.requests_start_marker))
-        KEEP(*(.requests))
-        KEEP(*(.requests_end_marker))
     } :data
 
     /* NOTE: .bss needs to be the last thing mapped to :data, otherwise lots of */