52 lines
2.0 KiB
Bash
52 lines
2.0 KiB
Bash
# Open replacement firmware for the Apple Video Decoder.
|
|
# Built from AsahiLinux sources, without extracting proprietary firmware.
|
|
|
|
pkgname=avd-fw
|
|
pkgver=0.1
|
|
pkgrel=1
|
|
pkgdesc='Open replacement firmware for the Apple Video Decoder (AVD) on Apple Silicon'
|
|
# This recipe uses the native ARM linker and serves Apple Silicon systems.
|
|
# Restrict both builds and publication to aarch64.
|
|
arch=('aarch64')
|
|
url='https://github.com/AsahiLinux/avd-fw'
|
|
license=('MIT')
|
|
# clang cross-compiles to arm-none-eabi out of the box, so no arm-none-eabi
|
|
# toolchain is required; llvm supplies llvm-objcopy, which meson.build looks
|
|
# up by name to turn each linked ELF into a padded raw image.
|
|
makedepends=('meson' 'clang' 'llvm')
|
|
# !buildflags is load-bearing: makepkg's CFLAGS/LDFLAGS target the aarch64 host
|
|
# and would be injected into a bare-metal Cortex-M3 build. !strip keeps makepkg
|
|
# from running the host strip over raw firmware images.
|
|
options=('!strip' '!debug' '!buildflags' '!lto')
|
|
source=("$pkgname-$pkgver.tar.gz::$url/archive/refs/tags/v$pkgver.tar.gz")
|
|
sha256sums=('2e131244275cb15c94243e41eec8a2a665ec895cfe3a818181549db991e62c67')
|
|
|
|
build() {
|
|
# The cross file selects clang, pins the host machine to cortex-m3 and sets
|
|
# libdir=lib, which lands the images in /usr/lib/firmware/apple.
|
|
#
|
|
# Optimization is pinned to match upstream's Makefile (-O2). Meson's default
|
|
# buildtype is "debug" (-O0 -g), which would ship unoptimized firmware; the
|
|
# MMIO accessors in src/util.c go through a volatile typedef, so -O2 cannot
|
|
# elide register reads or writes.
|
|
meson setup \
|
|
--cross-file "$pkgname-$pkgver/llvm.ini" \
|
|
--prefix=/usr \
|
|
-Doptimization=2 \
|
|
-Ddebug=false \
|
|
"$pkgname-$pkgver" build
|
|
|
|
meson compile -C build
|
|
}
|
|
|
|
package() {
|
|
meson install -C build --destdir "$pkgdir"
|
|
|
|
# meson installs custom_target outputs 0755; these are firmware blobs, not
|
|
# programs, and every other firmware file on the system is 0644.
|
|
chmod 644 "$pkgdir"/usr/lib/firmware/apple/*.bin
|
|
|
|
install -Dm644 "$pkgname-$pkgver/LICENSE" \
|
|
"$pkgdir/usr/share/licenses/$pkgname/LICENSE"
|
|
}
|