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rust: add PL011 device model

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This commit adds a re-implementation of hw/char/pl011.c in Rust.

How to build:

1. Configure a QEMU build with:
   --enable-system --target-list=aarch64-softmmu --enable-rust
2. Launching a VM with qemu-system-aarch64 should use the Rust version
   of the pl011 device

Co-authored-by: Junjie Mao <junjie.mao@intel.com>
Co-authored-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Junjie Mao <junjie.mao@intel.com>
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Link: https://lore.kernel.org/r/20241024-rust-round-2-v1-2-051e7a25b978@linaro.org
This commit is contained in:
Manos Pitsidianakis 2024-10-24 17:03:00 +03:00 • committed by Paolo Bonzini
parent ca5aa28e24
commit 37fdb2f56a
37 changed files with 1906 additions and 12 deletions
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24
meson.build
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@ -3540,6 +3540,7 @@ qom_ss = ss.source_set()
system_ss = ss.source_set()
specific_fuzz_ss = ss.source_set()
specific_ss = ss.source_set()
rust_devices_ss = ss.source_set()
stub_ss = ss.source_set()
trace_ss = ss.source_set()
user_ss = ss.source_set()
@ -4087,6 +4088,29 @@ foreach target : target_dirs
arch_srcs += target_specific.sources()
arch_deps += target_specific.dependencies()
if have_rust and have_system
target_rust = rust_devices_ss.apply(config_target, strict: false)
crates = []
foreach dep : target_rust.dependencies()
crates += dep.get_variable('crate')
endforeach
if crates.length() > 0
rlib_rs = custom_target('rust_' + target.underscorify() + '.rs',
output: 'rust_' + target.underscorify() + '.rs',
command: [find_program('scripts/rust/rust_root_crate.sh')] + crates,
capture: true,
build_by_default: true,
build_always_stale: true)
rlib = static_library('rust_' + target.underscorify(),
rlib_rs,
dependencies: target_rust.dependencies(),
override_options: ['rust_std=2021', 'build.rust_std=2021'],
rust_args: rustc_args,
rust_abi: 'c')
arch_deps += declare_dependency(link_whole: [rlib])
endif
endif
# allow using headers from the dependencies but do not include the sources,
# because this emulator only needs those in "objects". For external
# dependencies, the full dependency is included below in the executable.