Red Bear OS
4f2a0436eb
Phase A of the ACPI fork-sync plan (local/docs/ACPI-FORK-SYNC-STRATEGY-2026-06-30.md). Restores the kernel to the upstream Redox OS kernel main branch state for the ACPI subsystem: - Cargo.toml: switch redox_syscall from 0.7.4 (two versions behind) to a git ref of gitlab.redox-os.org/redox-os/syscall.git, matching the upstream master dependency. The crates.io 0.8.1 release predates the AcpiVerb enum that MR #613 / MR #275 introduced, so a crates.io pin is insufficient. - src/acpi/rsdp.rs: full rewrite to match upstream f49c7d99 (RSDP validation + NonNull + fail-softly): * signature check "RSD PTR " * 20-byte base checksum * full-length checksum for revision >= 2 * NonNull<u8> instead of *const u8 Fixes gap #1 from the 2026-06-30 ACPI assessment: the kernel was accepting any pointer from the bootloader without validation. - src/startup/mod.rs: acpi_rsdp() returns Option<NonNull<u8>> to match the new Rsdp::get_rsdp signature. - src/acpi/mod.rs: init() takes Option<NonNull<u8>>. - src/scheme/acpi.rs: full rewrite to upstream MR #613 (Simplify acpi scheme). Drops the /scheme/kernel.acpi/ filesystem surface in favor of a single Fd::open + call() interface with AcpiVerb verbs: * AcpiVerb::ReadRxsdt - returns the raw RXSDT bytes * AcpiVerb::CheckShutdown - returns whether shutdown is pending Uses HandleBits bitflags, atomic EXISTS_KSTOP_HANDLE, Mutex<L4> from crate::sync::ordered. Replaces /scheme/kernel.acpi/rxsdt and /scheme/kernel.acpi/kstop files. - src/scheme/mod.rs: KernelScheme::kcall signature updated to take fds: &[usize] instead of id: usize (matches upstream). kfpath now has a default body returning EOPNOTSUPP (matches upstream). - src/scheme/memory.rs, proc.rs, user.rs: kcall impls updated to match new trait signature, using fds.first() to extract the single handle for backward compat. - src/scheme/proc.rs: kcall dispatch adds _ => Err(EINVAL) catch-all for the new ProcSchemeVerb variants (RegsInt, RegsFloat, RegsEnv, SchedAffinity, Start) that the gitlab syscall crate adds. These verbs are not yet implemented in the proc scheme; the catch-all returns EINVAL cleanly instead of failing to compile. - src/syscall/fs.rs: SYS_CALL dispatcher now passes &[number] to scheme.kcall() to match the new trait signature. - Makefile: removed -Z json-target-spec flag (promoted to stable in nightly 2026-04-01; the flag is unknown in our pinned toolchain). Verified by `make` in local/sources/kernel/ with PATH including the prefix cross-toolchain: kernel builds and links successfully.
421 lines
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TOML
421 lines
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checksum = "55b5be8cc34d017d8aabec95bc45a43d0f20e8b2a31a453cabc804fe996f8dca"
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dependencies = [
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|
"bit_field",
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|
"bitflags 1.3.2",
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|
"raw-cpuid",
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|
]
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|
|
|
[[package]]
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|
name = "zerocopy"
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|
version = "0.8.48"
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|
source = "registry+https://github.com/rust-lang/crates.io-index"
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|
checksum = "eed437bf9d6692032087e337407a86f04cd8d6a16a37199ed57949d415bd68e9"
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|
dependencies = [
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|
"zerocopy-derive",
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|
]
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|
|
|
[[package]]
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|
name = "zerocopy-derive"
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|
version = "0.8.48"
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|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
|
checksum = "70e3cd084b1788766f53af483dd21f93881ff30d7320490ec3ef7526d203bad4"
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|
dependencies = [
|
|
"proc-macro2",
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|
"quote",
|
|
"syn",
|
|
]
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