[workspace]
resolver = "3"
members = [".", "rmm"]

[package]
name = "kernel"
version = "0.5.12+rb0.2.5"
authors = ["Jeremy Soller <jackpot51@gmail.com>", "vasilito <adminpupkin@gmail.com>"]
build = "build.rs"
edition = "2024"

[build-dependencies]
cc = "1.0"
toml = "0.8"

[dependencies]
arrayvec = { version = "0.7.4", default-features = false }
bitfield = "0.13.2"
bitflags = "2"
fdt = { git = "https://github.com/repnop/fdt.git", rev = "2fb1409edd1877c714a0aa36b6a7c5351004be54" }
hashbrown = { version = "0.14.3", default-features = false, features = ["ahash", "inline-more"] }
linked_list_allocator = "0.9.0"
redox-path = "0.2.0"
redox_syscall = { git = "https://gitlab.redox-os.org/redox-os/syscall.git", default-features = false }
rmm = { path = "rmm", default-features = false }
slab = { version = "0.4", default-features = false }
smallvec = { version = "1.15.1", default-features = false }
spin = { version = "0.9.8" }

[dependencies.object]
version = "0.37.1"
default-features = false
features = ["read_core", "elf"]

[dependencies.rustc-demangle]
version = "0.1.16"
default-features = false

[lints.clippy]
# Overflows are very, very bad in kernel code as it may provide an attack vector for
# userspace applications, and it is only checked in debug builds
# TODO: address occurrences and then deny
arithmetic_side_effects = "warn"
cast_ptr_alignment = "warn" # TODO: address occurrences and then deny
identity_op = "allow" # Used to allow stuff like 1 << 0 and 1 * 1024 * 1024
if_same_then_else = "allow" # Useful for adding comments about different branches
# Indexing a slice can cause panics and that is something we always want to avoid
# in kernel code. Use .get and return an error instead
# TODO: address occurrences and then deny
indexing_slicing = "warn"
many_single_char_names = "allow" # Useful in the syscall function
module_inception = "allow" # Used for context::context
# Not implementing default is sometimes useful in the case something has significant cost
# to allocate. If you implement default, it can be allocated without evidence using the
# ..Default::default() syntax. Not fun in kernel space
new_without_default = "allow"
not_unsafe_ptr_arg_deref = "deny"
or_fun_call = "allow" # Used to make it nicer to return errors, for example, .ok_or(Error::new(ESRCH))
precedence = "deny"
ptr_cast_constness = "deny"
too_many_arguments = "allow" # This is needed in some cases, like for syscall
# Avoid panicking in the kernel without information about the panic. Use expect
# TODO: address occurrences and then deny
unwrap_used = "warn"

[lints.rust]
static_mut_refs = "warn" # FIXME deny once all occurrences are fixed
# This is usually a serious issue - a missing import of a define where it is interpreted
# as a catch-all variable in a match, for example
unreachable_patterns = "deny"
unused_must_use = "deny" # Ensure that all must_use results are used

[target.'cfg(any(target_arch = "x86", target_arch = "x86_64"))'.dependencies]
raw-cpuid = "10.2.0"
x86 = { version = "0.47.0", default-features = false }

[target.'cfg(any(target_arch = "riscv64", target_arch = "riscv32"))'.dependencies]
sbi-rt = "0.0.3"

[features]
default = [
  "acpi",
  #"debugger",
  "multi_core",
  "serial_debug",
  "self_modifying",
  "x86_kvm_pv",
  #"busy_panic",
  #"drop_panic",
  #"syscall_debug"
]

# Activates some limited code-overwriting optimizations, based on CPU features.
self_modifying = []

acpi = []
lpss_debug = []
multi_core = ["acpi"]
profiling = []
#TODO: remove when threading issues are fixed
pti = []
drop_panic = []
busy_panic = []
qemu_debug = []
serial_debug = []
system76_ec_debug = []
x86_kvm_pv = []

debugger = ["syscall_debug"]
syscall_debug = []

sys_fdstat = []

[profile.dev]
# Avoids having to define the eh_personality lang item and reduces kernel size
panic = "abort"

[profile.release]
# Avoids having to define the eh_personality lang item and reduces kernel size
panic = "abort"
#lto = true
debug = "full"

# Red Bear OS Phase J: see local/sources/base/Cargo.toml for
# the rationale. Both the kernel and the base workspace need
# the libredox override so that the libredox::error::Error
# type is the same compile-time type as syscall::Error. With
# the local libredox fork at local/sources/libredox/ using
# the local syscall fork at local/sources/syscall/, the
# libredox::error::Error (re-exported from the local syscall)
# and syscall::Error (also the local syscall) are now the
# same type, so `?` conversions in scheme-utils / daemon
# compile cleanly.
[patch.crates-io]
# Phase J: override libredox 0.1.17 to use the local
# fork at ../libredox/ (which itself uses the local syscall
# fork). This breaks the libredox::error::Error <->
# syscall::Error type-identity barrier that previously
# caused E0277 errors in scheme-utils and daemon.
libredox = { path = "../libredox" }
# Phase J: the kernel's redox_syscall dep is a git URL
# (not crates.io), so [patch.crates-io] doesn't apply.
# Use a [patch."<URL>"] section to match the dep source.
# The local fork at ../syscall adds the EnterS2Idle /
# ExitS2Idle AcpiVerb variants — the kernel's direct use
# of AcpiVerb in src/scheme/acpi.rs's kcall handler
# needs the fork to see these variants.
[patch."https://gitlab.redox-os.org/redox-os/syscall.git"]
redox_syscall = { path = "../syscall" }