8 files changed, 234 insertions, 0 deletions
diff --git a/bootstrap/Makefile b/bootstrap/Makefile
new file mode 100644
index 0000000..665a26d
--- /dev/null
+++ b/bootstrap/Makefile
@@ -0,0 +1,39 @@
+# Copyright (C) 2025 Danny Holman <dholman@gymli.org>
+# 
+# This file is part of BoxOS, a free and open-source Unix-like operating
+# system.
+# 
+# BoxOS is free software; you can redistribute it and/or modify under the
+# terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+# 
+# BoxOS is distributed in the hope it will be useful, but WITHOUT ANY WARRANTY;
+# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE. See the GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License along with
+# BoxOS; if not, see <https://www.gnu.org/licenses/>.
+
+include $(ROOTDIR)/build.conf
+
+ifeq ($(BS_DEBUG),YES)
+	AFLAGS+=-g
+	CFLAGS+=-g
+endif
+
+export VERSION ROOTDIR DESTDIR AFLAGS CFLAGS
+
+SUBDIRS:=stage1 \
+	 stage2 \
+
+.PHONY: all clean install $(SUBDIRS)
+
+all: $(SUBDIRS)
+
+$(SUBDIRS):
+	$(MAKE) -j $(JOBS) $(MAKECMDGOALS) -C $@
+
+clean: $(SUBDIRS)
+
+install: $(SUBDIRS)
diff --git a/bootstrap/stage1/Makefile b/bootstrap/stage1/Makefile
new file mode 100644
index 0000000..7c3bf81
--- /dev/null
+++ b/bootstrap/stage1/Makefile
@@ -0,0 +1,57 @@
+# Copyright (C) 2025 Danny Holman <dholman@gymli.org>
+# 
+# This file is part of BoxOS, a free and open-source Unix-like operating
+# system.
+# 
+# BoxOS is free software; you can redistribute it and/or modify under the
+# terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+# 
+# BoxOS is distributed in the hope it will be useful, but WITHOUT ANY WARRANTY;
+# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE. See the GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License along with
+# BoxOS; if not, see <https://www.gnu.org/licenses/>.
+
+include $(ROOTDIR)/common.mk
+
+INCLUDE+=-I$(ARCHDIR)/include -Iinclude -I$(ROOTDIR)kernel/include -I$(ROOTDIR)kernel/arch/$(ARCH)/include
+CFLAGS+=-ffreestanding -fno-stack-protector $(BS_OPLVL)
+
+BINARY=bootstrap-stage1
+
+include $(ARCHDIR)/make.conf
+FIRMWARE_DIR=firmware/$(FIRMWARE)
+include $(FIRMWARE_DIR)/make.conf
+COMMON_DIR=firmware/common
+
+COMMON_OBJS=$(COMMON_DIR)/bprintf.o \
+	    $(COMMON_DIR)/elf_load.o \
+	    $(COMMON_DIR)/exception.o \
+	    $(COMMON_DIR)/rescue.o \
+	    $(COMMON_DIR)/string.o \
+
+OBJS=$(ARCH_OBJS) \
+     $(COMMON_OBJS) \
+     $(FIRMWARE_OBJS) \
+
+.PHONY: all clean install
+
+all: $(BINARY)
+
+$(BINARY): $(OBJS)
+	@$(LD) $(LDFLAGS) $^
+
+%.o: %.c
+	@$(CC) -MD -c $< -o $@ $(CFLAGS) $(INCLUDE)
+	@echo [CC] $@
+
+%.o: %.s
+	@$(CC) -c $< -o $@ $(AFLAGS) $(INCLUDE)
+
+clean:
+	$(RM) $(BINARY) $(OBJS) $(OBJS:.o=.d)
+
+-include $(OBJS:.o=.d)
diff --git a/bootstrap/stage1/arch/x86_64/make.conf b/bootstrap/stage1/arch/x86_64/make.conf
new file mode 100644
index 0000000..ec364c7
--- /dev/null
+++ b/bootstrap/stage1/arch/x86_64/make.conf
@@ -0,0 +1,27 @@
+# Copyright (C) 2025 Danny Holman <dholman@gymli.org>
+# 
+# This file is part of BoxOS, a free and open-source Unix-like operating
+# system.
+# 
+# BoxOS is free software; you can redistribute it and/or modify under the
+# terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+# 
+# BoxOS is distributed in the hope it will be useful, but WITHOUT ANY WARRANTY;
+# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE. See the GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License along with
+# BoxOS; if not, see <https://www.gnu.org/licenses/>.
+
+INCLUDE+=-I$(ARCHDIR)/include
+AFLAGS+=-target $(ARCH)-pc-win32-coff
+CFLAGS+=-mno-red-zone -mno-mmx -mno-sse -mno-sse2 -target $(ARCH)-pc-win32-coff
+LDFLAGS+=-entry:_start
+
+ARCH_OBJS=$(ARCHDIR)/asm/entry.o \
+          $(ARCHDIR)/asm/__chkstk.o \
+          $(ARCHDIR)/asm/paging.o \
+          $(ARCHDIR)/paging.o \
+          $(ARCHDIR)/serial.o \
diff --git a/bootstrap/stage1/firmware/efi/make.conf b/bootstrap/stage1/firmware/efi/make.conf
new file mode 100644
index 0000000..3b1615e
--- /dev/null
+++ b/bootstrap/stage1/firmware/efi/make.conf
@@ -0,0 +1,14 @@
+LD:=lld-link
+
+ifeq (BS_DEBUG,YES)
+	AFLAGS+=-gcodeview
+	CFLAGS+=-gcodeview
+endif
+
+CFLAGS+=-fshort-wchar
+LDFLAGS+=-subsystem:efi_application -out:$(BINARY)
+
+FIRMWARE_OBJS=$(FIRMWARE_DIR)/efi.o \
+              $(FIRMWARE_DIR)/bs_alloc.o \
+              $(FIRMWARE_DIR)/tty.o \
+              $(FIRMWARE_DIR)/util.o \
diff --git a/bootstrap/stage2/Makefile b/bootstrap/stage2/Makefile
new file mode 100644
index 0000000..2b3951d
--- /dev/null
+++ b/bootstrap/stage2/Makefile
@@ -0,0 +1,34 @@
+# Copyright (C) 2025 Danny Holman <dholman@gymli.org>
+# 
+# This file is part of BoxOS, a free and open-source Unix-like operating
+# system.
+# 
+# BoxOS is free software; you can redistribute it and/or modify under the
+# terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+# 
+# BoxOS is distributed in the hope it will be useful, but WITHOUT ANY WARRANTY;
+# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE. See the GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License along with
+# BoxOS; if not, see <https://www.gnu.org/licenses/>.
+
+include $(ROOTDIR)/common.mk
+
+ifeq (BS_DEBUG,YES)
+	AFLAGS+=-g
+	CFLAGS+=-g
+endif
+
+INCLUDE+=-Iinclude -I$(ROOTDIR)kernel/include
+CFLAGS+=-ffreestanding -fno-stack-protector $(BS_OPLVL)
+
+BINARY=bootstrap-stage2
+
+include $(ARCHDIR)/make.conf
+
+OBJS=$(ARCH_OBJS) \
+
+include $(ROOTDIR)/patterns.mk
diff --git a/bootstrap/stage2/arch/x86_64/linker.ld b/bootstrap/stage2/arch/x86_64/linker.ld
new file mode 100644
index 0000000..7bd0460
--- /dev/null
+++ b/bootstrap/stage2/arch/x86_64/linker.ld
@@ -0,0 +1,21 @@
+ENTRY(_start)
+
+SECTIONS {
+        . = 0x2000;
+        __bstart = .;
+
+        .text : {
+                *(.text)
+        }
+
+        .data : {
+                *(.data)
+        }
+
+        .bss : {
+                *(.bss)
+                *(COMMON)
+        }
+
+        __bend = .;
+}
diff --git a/bootstrap/stage2/arch/x86_64/make.conf b/bootstrap/stage2/arch/x86_64/make.conf
new file mode 100644
index 0000000..930b95e
--- /dev/null
+++ b/bootstrap/stage2/arch/x86_64/make.conf
@@ -0,0 +1,5 @@
+AFLAGS+=-target $(ARCH)-none-elf
+CFLAGS+=-target $(ARCH)-none-elf -mno-red-zone -mno-mmx -mno-sse -mno-sse2
+LDFLAGS+=--script=$(ARCHDIR)/linker.ld
+
+ARCH_OBJS=$(ARCHDIR)/asm/entry.o \
diff --git a/bootstrap/stage2/init/init.c b/bootstrap/stage2/init/init.c
new file mode 100644
index 0000000..e224e19
--- /dev/null
+++ b/bootstrap/stage2/init/init.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2025 Danny Holman <dholman@gymli.org>
+ *
+ * This file is part of BoxOS, a free and open-source Unix-like operating
+ * system.
+ *
+ * BoxOS is free software; you can redistribute it and/or modify under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ *
+ * BoxOS is distributed in the hope it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * BoxOS; if not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <sys/memory_map.h>
+#include <sys/efi.h>
+#include <elf.h>
+#include <stdint.h>
+#include <string.h>
+
+char* read_file(const char *filename) {
+}
+
+uintptr_t load_kernel(const char *filename) {
+        char *buffer;
+}
+
+void parse_cfg(const char *filename) {
+}
+
+int bootstrap_main(mmap_entry_t *mmap, uintptr_t num_entries) {
+}