From 5e9ede09a19361c06c323e24a9843cd67424e71e Mon Sep 17 00:00:00 2001
From: niklascfw <service@niklascfw.de>
Date: Tue, 14 Jul 2026 23:03:52 +0200
Subject: [PATCH] Switch Atmosphere clone to Atmosphere-Pro and add
 exosphere-only build script.

Use the boot-storage branch required for Horizon OC exosphere patches, and provide build-exosphere.sh for compiling just exosphere.bin without a full project build.
---
 build-exosphere.sh | 52 ++++++++++++++++++++++++++++++++++++++++++++++
 build.sh           | 15 ++++---------
 2 files changed, 56 insertions(+), 11 deletions(-)
 create mode 100755 build-exosphere.sh
 mode change 100644 => 100755 build.sh

diff --git a/build-exosphere.sh b/build-exosphere.sh
new file mode 100755
index 00000000..1a2f557d
--- /dev/null
+++ b/build-exosphere.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+
+ROOT_DIR="$(cd "$(dirname "$0")" && pwd)"
+DIST_DIR="$ROOT_DIR/dist"
+
+ATMOSPHERE_DIR="$ROOT_DIR/build/atmosphere"
+ATMOSPHERE_URL="https://github.com/NaGaa95/Atmosphere-Pro.git"
+ATMOSPHERE_BRANCH="boot-storage"
+
+EXO_SRC="$ROOT_DIR/Source/Atmosphere-Patches"
+EXO_DEST="$ATMOSPHERE_DIR/exosphere/program/source/smc"
+LIBEXO_DEST="$ATMOSPHERE_DIR/libraries/libexosphere/include/exosphere/secmon"
+EXO_OUT="$ATMOSPHERE_DIR/exosphere/out/nintendo_nx_arm64_armv8a/release/exosphere.bin"
+
+if command -v nproc >/dev/null 2>&1; then
+    CORES="$(nproc --all)"
+else
+    CORES="$(sysctl -n hw.ncpu)"
+fi
+
+echo "CORES: $CORES"
+
+mkdir -p "$ROOT_DIR/build"
+
+if [ ! -d "$ATMOSPHERE_DIR" ]; then
+    echo
+    echo "*** Cloning Atmosphere-Pro ***"
+    git clone --depth=1 --single-branch -b "$ATMOSPHERE_BRANCH" "$ATMOSPHERE_URL" "$ATMOSPHERE_DIR"
+fi
+
+echo
+echo "*** Patching exosphere ***"
+cp -v "$EXO_SRC/secmon_emc_access_table_data.inc"       "$EXO_DEST/"
+cp -v "$EXO_SRC/secmon_define_emc_access_table.inc"     "$EXO_DEST/"
+cp -v "$EXO_SRC/secmon_rtc_pmc_access_table_data.inc"   "$EXO_DEST/"
+cp -v "$EXO_SRC/secmon_define_rtc_pmc_access_table.inc" "$EXO_DEST/"
+cp -v "$EXO_SRC/secmon_smc_register_access.cpp"         "$EXO_DEST/"
+cp -v "$EXO_SRC/secmon_smc_handler.cpp"                 "$EXO_DEST/"
+cp -v "$EXO_SRC/secmon_memory_layout.hpp"               "$LIBEXO_DEST/"
+
+echo
+echo "*** Compiling exosphere ***"
+cd "$ATMOSPHERE_DIR/exosphere" || exit 1
+make -j"$CORES"
+cd "$ROOT_DIR" || exit 1
+
+mkdir -p "$DIST_DIR/atmosphere"
+cp -v "$EXO_OUT" "$DIST_DIR/atmosphere/exosphere.bin"
+
+echo
+echo "*** Done: $EXO_OUT ***"
+echo "*** Copied to: $DIST_DIR/atmosphere/exosphere.bin ***"
diff --git a/build.sh b/build.sh
old mode 100644
new mode 100755
index e17249ab..c53b5ab8
--- a/build.sh
+++ b/build.sh
@@ -45,20 +45,13 @@ SRC="Source/Atmosphere/stratosphere/loader/"
 mkdir -p "build"
 
 ATMOSPHERE_DIR="build/atmosphere"
-ATMOSPHERE_URL="https://github.com/Atmosphere-NX/Atmosphere.git"
+ATMOSPHERE_URL="https://github.com/NaGaa95/Atmosphere-Pro.git"
+ATMOSPHERE_BRANCH="boot-storage"
 
 if [ ! -d "$ATMOSPHERE_DIR" ]; then
     echo
-    echo "*** Cloning atmosphere ***"
-    git clone "$ATMOSPHERE_URL" "$ATMOSPHERE_DIR"
-
-    cd "$ATMOSPHERE_DIR"
-
-    git fetch --tags --quiet
-    LATEST_TAG=$(git tag --sort=-version:refname | head -n1)
-    git checkout -q -b build "$LATEST_TAG"
-
-    cd "$ROOT_DIR"
+    echo "*** Cloning Atmosphere-Pro ***"
+    git clone --depth=1 --single-branch -b "$ATMOSPHERE_BRANCH" "$ATMOSPHERE_URL" "$ATMOSPHERE_DIR"
 fi
 
 DEST="build/atmosphere/stratosphere/loader/"