Refactor ports builds

toolchain/ports/musl/build.sh

@@ -0,0 +1,28 @@
+#!/bin/sh -e
+
+TARGET=x86_64-elf
+SYSROOT=/opt/sysroot
+
+# Pull or update musl libc
+mkdir -p /opt/external && cd /opt/external
+[ -d musl ] || git clone --depth=1 git://git.musl-libc.org/musl
+cd musl
+git reset --hard
+git pull
+
+# Apply patches
+[ -d /opt/src/patch-musl ] && rsync -a /opt/src/patch-musl/ /opt/external/musl/
+
+# Build and install
+mkdir -p /opt/external/build-musl && cd /opt/external/build-musl
+rm -r *
+../musl/configure \
+    --target=${TARGET} \
+    --prefix=${SYSROOT}/usr \
+    --disable-shared \
+    --enable-debug \
+    CFLAGS="-O0 -mcmodel=large -mno-red-zone"
+
+make
+make install-headers
+make install

toolchain/ports/uni_vga/build.sh

@@ -0,0 +1,45 @@
+#!/bin/sh -e
+
+# Download and convert the Unicode VGA font by Dmitry Yu. Bolkhovityanov
+# https://www.inp.nsk.su/~bolkhov/files/fonts/univga/
+
+mkdir -p /opt/external && cd /opt/external
+[ -f "uni-vga.tgz" ] || wget "https://www.inp.nsk.su/~bolkhov/files/fonts/univga/uni-vga.tgz"
+[ -d "uni_vga" ] || tar -xf uni-vga.tgz
+
+cd uni_vga
+python3 - << EOF
+
+codepoint = 0
+reading = False
+
+chars = {}
+
+with open("u_vga16.bdf") as fp:
+    while line := fp.readline():
+
+        if line.startswith("ENCODING"):
+            codepoint = int(line.split()[1])
+            continue
+
+        if line.startswith("BITMAP"):
+            values = []
+            while True:
+                line = fp.readline()
+                if line.startswith("ENDCHAR"):
+                    break
+                values.append(int(line, 16))
+            chars[codepoint] = values
+
+with open("u_vga16.termfont.inc", "w") as fp:
+    fp.write("// THIS FILE IS GENERATED BY toolchain/build-univga-font.sh\n")
+    fp.write(f"unsigned char font[{127-32}][16] =")
+    fp.write("{\n")
+
+    for codepoint in range(32, 127): # ONLY SAVE ASCII (for now)
+        fp.write("\t{" + ", ".join([f"0x{v:02X}" for v in chars.get(codepoint, [])]) + "},\n")
+
+    fp.write("};")
+EOF
+
+cp u_vga16.termfont.inc ${BUILDROOT}/src/libmittos/graphics/.