From 7edb312f2321791d72b5fd8a65fa264cb546cbde Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@mirocom.org>
Date: Tue, 24 Mar 2026 23:44:28 -0400
Subject: [PATCH] initial commit

Signed-off-by: Ian Moffett <ian@mirocom.org>
---
 .gitignore        |  5 +++++
 host/bootstrap.sh | 55 +++++++++++++++++++++++++++++++++++++++++++++++
 host/build.sh     |  8 +++++++
 host/toolchain.sh | 39 +++++++++++++++++++++++++++++++++
 src/mk/default.mk | 37 +++++++++++++++++++++++++++++++
 5 files changed, 144 insertions(+)
 create mode 100644 .gitignore
 create mode 100755 host/bootstrap.sh
 create mode 100644 host/build.sh
 create mode 100755 host/toolchain.sh
 create mode 100644 src/mk/default.mk

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..aab2932
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+/var
+*.o
+*.d
+*.sys
+*.iso
diff --git a/host/bootstrap.sh b/host/bootstrap.sh
new file mode 100755
index 0000000..a940959
--- /dev/null
+++ b/host/bootstrap.sh
@@ -0,0 +1,55 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2026, Mirocom Laboratories
+# Provided under the BSD-3 clause
+#
+
+#
+# Check if a list of programs are installed on the system
+#
+# <@>: List of programs to check
+#
+check_deps() {
+    for dep in $@; do
+        printf "Checking if $dep is installed... "
+        which $dep &>/dev/null
+        if [ $? -ne 0 ]; then
+            echo "no"
+            echo "Please install $dep!"
+            exit 1
+        fi
+
+        echo "yes"
+    done
+}
+
+#
+# Obtain the Mirocom gcc toolchain
+#
+get_toolchain() {
+    if [ ! -d var/cc/toolchain ]; then
+        git clone https://git.mirocom.org/Mirocom/mirocom-toolchain --depth=1 var/cc/toolchain
+        cd var/cc/toolchain
+        tar -xzvf toolchain.tar.gz
+        mv public/* .; rm -rf public/
+        cd ../../../
+    fi
+}
+
+#
+# Obtain all deps
+#
+get_deps() {
+    get_toolchain
+}
+
+# Make sure everything is installed
+check_deps   \
+    git     \
+    make    \
+    gcc     \
+    xorriso
+
+# Obtain all the deps we need
+get_deps
diff --git a/host/build.sh b/host/build.sh
new file mode 100644
index 0000000..d87ca85
--- /dev/null
+++ b/host/build.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2026, Mirocom Laboratories
+# Provided under the BSD-3 clause
+#
+
+
diff --git a/host/toolchain.sh b/host/toolchain.sh
new file mode 100755
index 0000000..a9a54ad
--- /dev/null
+++ b/host/toolchain.sh
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2026, Mirocom Laboratories
+# Provided under the BSD-3 clause
+#
+
+TARGET=x86_64-pc-mirocom
+MAKE=make
+
+mkdir -p var/
+mkdir -p var/cc/root/usr/include/
+mkdir -p var/cc/root/usr/bin/
+
+# Don't build again if the lock exists
+if [ -f var/cc/.lock ]; then
+    echo "var/cc/.lock exists, skipping toolchain build"
+    exit 1
+fi
+
+pushd var/cc/toolchain
+bash build.sh
+
+mkdir -p gcc
+pushd gcc
+
+# Configure gcc
+../gcc-patched/configure --target=$TARGET \
+    --prefix=$(pwd) --with-sysroot=$(pwd)/../../root/ \
+    --disable-nls --enable-languages=c --disable-multilib
+
+# Build gcc
+$MAKE all-gcc
+$MAKE install-gcc
+
+# Lock the directory
+popd
+popd
+touch var/cc/.lock
diff --git a/src/mk/default.mk b/src/mk/default.mk
new file mode 100644
index 0000000..57ddf9b
--- /dev/null
+++ b/src/mk/default.mk
@@ -0,0 +1,37 @@
+ARCH_TARGET = x86_64
+
+CC = \
+	../var/cc/toolchain/gcc/bin/$(ARCH_TARGET)-pc-mirocom-gcc
+LD = \
+    ../var/cc/toolchain/build-binutils/bin/$(ARCH_TARGET)-pc-mirocom-ld
+AR = \
+	 ../var/cc/toolchain/build-binutils/bin/$(ARCH_TARGET)-pc-mirocom-ar
+
+SYS_CFLAGS =			\
+	-nostdlib			\
+	-nostdinc			\
+	-ffreestanding		\
+	-fexceptions		\
+	--std=gnu11			\
+	-mcmodel=kernel		\
+	-Wno-attributes		\
+	-fno-stack-protector\
+	-D_M1X_MULTICORE
+
+ifeq ($(ARCH_TARGET),x86_64)
+	SYS_CFLAGS += 		\
+		-mno-sse		\
+		-mno-sse2		\
+		-mno-sse3		\
+		-mno-avx		\
+		-mno-avx2		\
+		-mno-80387		\
+		-mno-3dnow		\
+		-mno-mmx
+endif
+
+PASSDOWN_ARGS = \
+	ARCH=$(ARCH_TARGET)		\
+	SYS_CC=$(CC)			\
+	SYS_LD=$(LD)			\
+	SYS_CFLAGS="$(SYS_CFLAGS)"