initial commit

Signed-off-by: Ian Moffett <ian@mirocom.org>

.gitignore

@@ -0,0 +1,6 @@
+*.img
+*.bin
+*.d
+*.o
+*.sys
+/var

README

@@ -0,0 +1,11 @@
+-- System paw v1 --
+
+Hewwo critter!~ System paw is a wovely operating system meant for critters of all kinds to get
+their work (or fun! >:3) done while having their machine resources managed cleanly behind the
+scenes. SPx is architected by a fluffy kitty cat who likes eating bugs and mice and RATS NOM
+NOM NOM !!!! This kitty will protect your wittle den, don't worry critter!
+
+-- Confidentiality of implementation --
+
+This repository and its sources as of Thu Apr 16 is CONFIDENTIAL and PROPRIETARY.
+Unauthorized distribution or modification is strictly prohibited.

build.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+#
+# Copyright (c) 2026, Mirocom Laboratories
+# All rights reserved.
+#
+# The following sources are CONFIDENTIAL and PROPRIETARY
+# property of Mirocom Laboratories. Unauthorized copying,
+# use, distrubution or modification of this file, in whole
+# and in part, is strictly prohibited without the prior written
+# consent from Mirocom Laboratories.
+#
+
+MAKE=make
+
+cd usr/src/;    \
+    $MAKE

tools/bootstrap.sh

@@ -0,0 +1,60 @@
+#!/bin/sh
+#
+# Copyright (c) 2026, Mirocom Laboratories
+# All rights reserved.
+#
+# The following sources are CONFIDENTIAL and PROPRIETARY
+# property of Mirocom Laboratories. Unauthorized copying,
+# use, distrubution or modification of this file, in whole
+# and in part, is strictly prohibited without the prior written
+# consent from Mirocom Laboratories.
+#
+
+#
+# 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

tools/toolchain.sh

@@ -0,0 +1,44 @@
+#!/bin/sh
+#
+# Copyright (c) 2026, Mirocom Laboratories
+# All rights reserved.
+#
+# The following sources are CONFIDENTIAL and PROPRIETARY
+# property of Mirocom Laboratories. Unauthorized copying,
+# use, distribution or modification of this file, in whole
+# and in part, is strictly prohibited without the prior written
+# consent from Mirocom Laboratories.
+#
+
+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

usr/src/Makefile

@@ -0,0 +1,19 @@
+#
+# Copyright (c) 2026, Mirocom Laboratories
+# All rights reserved.
+#
+# The following sources are CONFIDENTIAL and PROPRIETARY
+# property of Mirocom Laboratories. Unauthorized copying,
+# use, distrubution or modification of this file, in whole
+# and in part, is strictly prohibited without the prior written
+# consent from Mirocom Laboratories.
+#
+
+include mk/sys.mk
+
+.PHONY: all
+all: sp1
+
+.PHONY: sp1
+sp1:
+	cd sp1/; $(MAKE) $(PASSDOWN_ARGS)

usr/src/README

@@ -0,0 +1,10 @@
+-------------------------------------------------------------
+Copyright (c) 2026, Mirocom Laboratories
+All rights reserved.
+
+The following sources are CONFIDENTIAL and PROPRIETARY
+property of Mirocom Laboratories. Unauthorized copying,
+use, distrubution or modification of this file, in whole
+and in part, is strictly prohibited without the prior written
+consent from Mirocom Laboratories.
+-------------------------------------------------------------

usr/src/mk/sys.mk

@@ -0,0 +1,49 @@
+#
+# Copyright (c) 2026, Mirocom Laboratories
+# All rights reserved.
+#
+# The following sources are CONFIDENTIAL and PROPRIETARY
+# property of Mirocom Laboratories. Unauthorized copying,
+# use, distrubution or modification of this file, in whole
+# and in part, is strictly prohibited without the prior written
+# consent from Mirocom Laboratories.
+#
+
+CC_PREFIX = x86_64-pc-mirocom
+ARCH_TARGET = amd64
+
+CC = \
+	var/cc/toolchain/gcc/bin/$(CC_PREFIX)-gcc
+LD = \
+    var/cc/toolchain/build-binutils/bin/$(CC_PREFIX)-ld
+AR = \
+	var/cc/toolchain/build-binutils/bin/$(CC_PREFIX)-ar
+
+SYS_CFLAGS =			\
+	-nostdlib			\
+	-nostdinc			\
+	-ffreestanding		\
+	-fexceptions		\
+	--std=gnu11			\
+	-mcmodel=kernel		\
+	-Wno-attributes		\
+	-fno-stack-protector\
+	-D_SP1_MULTICORE
+
+ifeq ($(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)"

usr/src/sp1/Makefile

@@ -0,0 +1,18 @@
+#!/bin/sh
+#
+# Copyright (c) 2026, Mirocom Laboratories
+# All rights reserved.
+#
+# The following sources are CONFIDENTIAL and PROPRIETARY
+# property of Mirocom Laboratories. Unauthorized copying,
+# use, distrubution or modification of this file, in whole
+# and in part, is strictly prohibited without the prior written
+# consent from Mirocom Laboratories.
+#
+
+.PHONY: all
+all: $(ARCH)
+
+.PHONY: $(ARCH)
+$(ARCH):
+	cd $(ARCH); $(MAKE)

usr/src/sp1/amd64/Makefile

@@ -0,0 +1,31 @@
+#
+# Copyright (c) 2026, Mirocom Laboratories
+# All rights reserved.
+#
+# The following sources are CONFIDENTIAL and PROPRIETARY
+# property of Mirocom Laboratories. Unauthorized copying,
+# use, distrubution or modification of this file, in whole
+# and in part, is strictly prohibited without the prior written
+# consent from Mirocom Laboratories.
+#
+
+ASMFILES = $(shell find . -name "*.S")
+ASMOFILES = $(ASMFILES:.S=.S.o)
+
+MISC_OFILES = $(shell find ../../ -name "*.o")
+
+CC = 				\
+	../../../../$(SYS_CC)
+
+LD =				\
+	../../../../$(SYS_LD)
+
+CFLAGS = 			\
+	$(SYS_CFLAGS)
+
+.PHONY: all
+all: $(ASMOFILES)
+	$(LD) -Tconf/link.ld $(MISC_OFILES) -o ../../../../sp1.sys
+
+%.S.o: %.S
+	$(CC) -c $(CFLAGS) $< -o $@

usr/src/sp1/amd64/conf/link.ld

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2026, Mirocom Laboratories
+ * All rights reserved.
+ *
+ * The following sources are CONFIDENTIAL and PROPRIETARY
+ * property of Mirocom Laboratories. Unauthorized copying,
+ * use, distribution or modification of this file, in whole
+ * and in part, is strictly prohibited without the prior written
+ * consent from Mirocom Laboratories.
+ */
+
+OUTPUT_FORMAT(elf64-x86-64)
+OUTPUT_ARCH(i386:x86-64)
+ENTRY(_start)
+
+PHDRS
+{
+    text          PT_LOAD    FLAGS((1 << 0) | (1 << 2)) ;
+    rodata        PT_LOAD    FLAGS((1 << 2)) ;
+    data          PT_LOAD    FLAGS((1 << 1) | (1 << 2)) ;
+}
+
+SECTIONS
+{
+    . = 0xFFFFFFFF80000000;
+
+    .text : {
+        *(.text .text.*)
+    } :text
+
+    . += CONSTANT(MAXPAGESIZE);
+
+    .rodata : {
+        *(.rodata .rodata.*)
+    } :rodata
+
+    . += CONSTANT(MAXPAGESIZE);
+
+    .data : {
+        *(.data)
+    } :data
+
+    .bss : {
+        *(COMMON)
+        *(.bss .bss.*)
+    } :data
+
+    . += CONSTANT(MAXPAGESIZE);
+
+    /DISCARD/ : {
+        *(.eh_frame .eh_frame.*)
+        *(.note .note.*)
+    }
+}

usr/src/sp1/amd64/cpu/locore.S

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2026, Mirocom Laboratories
+ * All rights reserved.
+ *
+ * The following sources are CONFIDENTIAL and PROPRIETARY
+ * property of Mirocom Laboratories. Unauthorized copying,
+ * use, distribution or modification of this file, in whole
+ * and in part, is strictly prohibited without the prior written
+ * consent from Mirocom Laboratories.
+ */
+
+    .text
+    .globl _start
+_start:
+    cli
+    cld
+
+    xor %rbp, %rbp
+
+    cli
+1:  hlt
+    jmp 1b