1
0
mirror of https://github.com/rcore-os/rCore.git synced 2024-11-22 16:16:16 +04:00
This commit is contained in:
function2-llx 2020-04-09 22:30:33 +08:00
commit 47dade0c73
69 changed files with 465 additions and 570 deletions

View File

@ -7,11 +7,10 @@ jobs:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- run: rm rust-toolchain
- uses: actions-rs/toolchain@v1
with:
profile: minimal
toolchain: nightly
toolchain: nightly-2020-04-06
override: true
components: rustfmt, clippy
- name: Check code format
@ -30,7 +29,7 @@ jobs:
- uses: actions-rs/toolchain@v1
with:
profile: minimal
toolchain: nightly-2020-01-17
toolchain: nightly-2020-04-06
components: rust-src, llvm-tools-preview
- name: Cache QEMU

62
kernel/Cargo.lock generated
View File

@ -107,9 +107,10 @@ dependencies = [
[[package]]
name = "buddy_system_allocator"
version = "0.3.5"
version = "0.3.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"rustversion 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
"spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -330,7 +331,7 @@ name = "rboot"
version = "0.1.2"
dependencies = [
"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
"uefi 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
"uefi 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
"x86_64 0.9.6 (registry+https://github.com/rust-lang/crates.io-index)",
"xmas-elf 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -348,7 +349,7 @@ dependencies = [
"bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
"bitmap-allocator 0.1.0 (git+https://github.com/rcore-os/bitmap-allocator)",
"bitvec 0.17.2 (registry+https://github.com/rust-lang/crates.io-index)",
"buddy_system_allocator 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
"buddy_system_allocator 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
"cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
"compression 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
"device_tree 1.0.3 (git+https://github.com/rcore-os/device_tree-rs)",
@ -362,11 +363,11 @@ dependencies = [
"raw-cpuid 7.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
"rboot 0.1.2",
"rcore-console 0.1.0 (git+https://github.com/rcore-os/rcore-console?rev=b7bacf9)",
"rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=e17b27b)",
"rcore-fs-devfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=e17b27b)",
"rcore-fs-mountfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=e17b27b)",
"rcore-fs-ramfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=e17b27b)",
"rcore-fs-sfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=e17b27b)",
"rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac)",
"rcore-fs-devfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac)",
"rcore-fs-mountfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac)",
"rcore-fs-ramfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac)",
"rcore-fs-sfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac)",
"rcore-memory 0.1.0",
"rcore-thread 0.1.0 (git+https://github.com/rcore-os/rcore-thread?rev=d727949b)",
"riscv 0.5.0 (git+https://github.com/rcore-os/riscv)",
@ -392,7 +393,7 @@ dependencies = [
[[package]]
name = "rcore-fs"
version = "0.1.0"
source = "git+https://github.com/rcore-os/rcore-fs?rev=e17b27b#e17b27b3d257f23ed8ba43d902c909d23245a008"
source = "git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac#7f5eeac8b77f6bab11f6f2ce631a194bee658555"
dependencies = [
"filetime 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
"spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
@ -402,42 +403,42 @@ dependencies = [
[[package]]
name = "rcore-fs-devfs"
version = "0.1.0"
source = "git+https://github.com/rcore-os/rcore-fs?rev=e17b27b#e17b27b3d257f23ed8ba43d902c909d23245a008"
source = "git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac#7f5eeac8b77f6bab11f6f2ce631a194bee658555"
dependencies = [
"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
"rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=e17b27b)",
"rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac)",
"spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "rcore-fs-mountfs"
version = "0.1.0"
source = "git+https://github.com/rcore-os/rcore-fs?rev=e17b27b#e17b27b3d257f23ed8ba43d902c909d23245a008"
source = "git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac#7f5eeac8b77f6bab11f6f2ce631a194bee658555"
dependencies = [
"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
"rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=e17b27b)",
"rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac)",
"spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "rcore-fs-ramfs"
version = "0.1.0"
source = "git+https://github.com/rcore-os/rcore-fs?rev=e17b27b#e17b27b3d257f23ed8ba43d902c909d23245a008"
source = "git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac#7f5eeac8b77f6bab11f6f2ce631a194bee658555"
dependencies = [
"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
"rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=e17b27b)",
"rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac)",
"spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "rcore-fs-sfs"
version = "0.1.0"
source = "git+https://github.com/rcore-os/rcore-fs?rev=e17b27b#e17b27b3d257f23ed8ba43d902c909d23245a008"
source = "git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac#7f5eeac8b77f6bab11f6f2ce631a194bee658555"
dependencies = [
"bitvec 0.17.2 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
"rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=e17b27b)",
"rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac)",
"spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
"static_assertions 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -496,6 +497,16 @@ dependencies = [
"semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "rustversion"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
"quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
"syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "semver"
version = "0.9.0"
@ -569,7 +580,7 @@ dependencies = [
[[package]]
name = "uefi"
version = "0.4.3"
version = "0.4.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@ -717,7 +728,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
"checksum bitmap-allocator 0.1.0 (git+https://github.com/rcore-os/bitmap-allocator)" = "<none>"
"checksum bitvec 0.17.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1fe4300c1d7a9ea6f3e3f39c10b39862bb79e1175c0572b6b49539a30e5562f5"
"checksum buddy_system_allocator 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "59da15ef556589ee78370281d75b67f2d69ed26465ec0e0f3961e2021502426f"
"checksum buddy_system_allocator 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "9e953b958d83e13a44b1ead5b6aaa2a5f854bd5170239a66b606e030a14d018f"
"checksum byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a7c3dd8985a7111efc5c80b44e23ecdd8c007de8ade3b96595387e812b957cf5"
"checksum cast 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "4b9434b9a5aa1450faa3f9cb14ea0e8c53bb5d2b3c1bfd1ab4fc03e9f33fbfb0"
"checksum cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)" = "95e28fa049fda1c330bcf9d723be7663a899c4679724b34c81e9f5a326aab8cd"
@ -747,17 +758,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum raw-cpuid 6.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "30a9d219c32c9132f7be513c18be77c9881c7107d2ab5569d205a6a0f0e6dc7d"
"checksum raw-cpuid 7.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b4a349ca83373cfa5d6dbb66fd76e58b2cca08da71a5f6400de0a0a6a9bceeaf"
"checksum rcore-console 0.1.0 (git+https://github.com/rcore-os/rcore-console?rev=b7bacf9)" = "<none>"
"checksum rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=e17b27b)" = "<none>"
"checksum rcore-fs-devfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=e17b27b)" = "<none>"
"checksum rcore-fs-mountfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=e17b27b)" = "<none>"
"checksum rcore-fs-ramfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=e17b27b)" = "<none>"
"checksum rcore-fs-sfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=e17b27b)" = "<none>"
"checksum rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac)" = "<none>"
"checksum rcore-fs-devfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac)" = "<none>"
"checksum rcore-fs-mountfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac)" = "<none>"
"checksum rcore-fs-ramfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac)" = "<none>"
"checksum rcore-fs-sfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?rev=7f5eeac)" = "<none>"
"checksum rcore-thread 0.1.0 (git+https://github.com/rcore-os/rcore-thread?rev=d727949b)" = "<none>"
"checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
"checksum register 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e10f31b6d2299e5620986ad9fcdd66463e125ad72af4f403f9aedf7592d5ccdb"
"checksum riscv 0.5.0 (git+https://github.com/rcore-os/riscv)" = "<none>"
"checksum rlibc 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc874b127765f014d792f16763a81245ab80500e2ad921ed4ee9e82481ee08fe"
"checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
"checksum rustversion 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b3bba175698996010c4f6dce5e7f173b6eb781fce25d2cfc45e27091ce0b79f6"
"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
"checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
"checksum smoltcp 0.5.0 (git+https://github.com/rcore-os/smoltcp?rev=5bd87c7c)" = "<none>"
@ -768,7 +780,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6d2783fe2d6b8c1101136184eb41be8b1ad379e4657050b8aaff0c79ee7575f9"
"checksum uart_16550 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "58fc0bc8ff1beb1436e8c4ce9c4b47f6f6c1376b56fb91505fabeef13743eb33"
"checksum ucs2 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "85061f4e43545a613c0da6b87725bf23f8da8613cf2473719c4f71a270c4ce8a"
"checksum uefi 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "36c63ddfef80d9e7f1318917f6c05135b3b98027e973a9e9f0a6aebe87b95934"
"checksum uefi 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5cec6a2850639f588cc8042140b5deaa2f2170c23db5adb08f4316fa04cdb4a0"
"checksum uefi-macros 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c7d4a1b0215dc72e83d8d501b3275eb59477d3b595be8861abfb8ab110180955"
"checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
"checksum usize_conversions 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f70329e2cbe45d6c97a5112daad40c34cd9a4e18edb5a2a18fefeb584d8d25e5"

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@ -55,7 +55,7 @@ bitflags = "1.2"
bit_field = "0.10"
volatile = "0.2"
bitvec = { version = "0.17", default-features = false, features = ["alloc"] }
buddy_system_allocator = "0.3"
buddy_system_allocator = "0.3.9"
pci = { git = "https://github.com/rcore-os/pci-rs" }
device_tree = { git = "https://github.com/rcore-os/device_tree-rs" }
isomorphic_drivers = { git = "https://github.com/rcore-os/isomorphic_drivers", features = ["log"] }
@ -66,11 +66,11 @@ bitmap-allocator = { git = "https://github.com/rcore-os/bitmap-allocator" }
rcore-console = { git = "https://github.com/rcore-os/rcore-console", rev = "b7bacf9", default-features = false }
rcore-memory = { path = "../crate/memory" }
rcore-thread = { git = "https://github.com/rcore-os/rcore-thread", rev = "d727949b" }
rcore-fs = { git = "https://github.com/rcore-os/rcore-fs", rev = "e17b27b" }
rcore-fs-sfs = { git = "https://github.com/rcore-os/rcore-fs", rev = "e17b27b" }
rcore-fs-ramfs = { git = "https://github.com/rcore-os/rcore-fs", rev = "e17b27b" }
rcore-fs-mountfs = { git = "https://github.com/rcore-os/rcore-fs", rev = "e17b27b" }
rcore-fs-devfs = { git = "https://github.com/rcore-os/rcore-fs", rev = "e17b27b" }
rcore-fs = { git = "https://github.com/rcore-os/rcore-fs", rev = "7f5eeac" }
rcore-fs-sfs = { git = "https://github.com/rcore-os/rcore-fs", rev = "7f5eeac" }
rcore-fs-ramfs = { git = "https://github.com/rcore-os/rcore-fs", rev = "7f5eeac" }
rcore-fs-mountfs = { git = "https://github.com/rcore-os/rcore-fs", rev = "7f5eeac" }
rcore-fs-devfs = { git = "https://github.com/rcore-os/rcore-fs", rev = "7f5eeac" }
compression = { version = "0.1.4", default-features = false, features = ["gzip"] }

View File

@ -1,6 +1,5 @@
use crate::drivers::bus::pci;
use crate::drivers::gpu::fb::{self, FramebufferInfo};
use alloc::string::String;
use mips::registers::cp0;
pub mod consts;

View File

@ -1,5 +1,5 @@
use mips::registers::cp0;
use mips::tlb;
use mips::tlb::TLBEntry;
/// Saved registers on a trap.
#[derive(Clone)]
@ -238,7 +238,7 @@ impl Context {
fn switch_context(src: *mut Context, dst: *mut Context);
}
tlb::clear_all_tlb();
TLBEntry::clear_all();
switch_context(self as *mut Context, target as *mut Context);
}

View File

@ -27,7 +27,7 @@ pub fn halt() {
}
}
pub unsafe fn exit_in_qemu(error_code: u8) -> ! {
pub unsafe fn exit_in_qemu(_error_code: u8) -> ! {
/* nothing to do */
loop {}
}

View File

@ -1,14 +1,11 @@
pub use self::context::*;
use crate::arch::paging::get_root_page_table_ptr;
use crate::drivers::{DRIVERS, IRQ_MANAGER};
use crate::drivers::IRQ_MANAGER;
use log::*;
use mips::addr::*;
use mips::interrupts;
use mips::paging::{
PageTable as MIPSPageTable, PageTableEntry, PageTableFlags as EF, TwoLevelPageTable,
};
use mips::paging::PageTable as MIPSPageTable;
use mips::registers::cp0;
use mips::tlb;
#[path = "context.rs"]
mod context;
@ -154,7 +151,7 @@ fn syscall(tf: &mut TrapFrame) {
);
// temporary solution for ThinPad
if (tf.v0 == 0) {
if tf.v0 == 0 {
warn!("Syscall ID = 0");
tf.v0 = unsafe { *((tf.sp + 28) as *const usize) };
}
@ -162,7 +159,7 @@ fn syscall(tf: &mut TrapFrame) {
let ret = crate::syscall::syscall(tf.v0, arguments, tf) as isize;
// comply with mips n32 abi, always return a positive value
// https://git.musl-libc.org/cgit/musl/tree/arch/mipsn32/syscall_arch.h
if (ret < 0) {
if ret < 0 {
tf.v0 = (-ret) as usize;
tf.a3 = 1;
} else {
@ -282,7 +279,7 @@ fn page_fault(tf: &mut TrapFrame) {
}
}
tlb::write_tlb_random(tlb_entry)
tlb_entry.write_random()
}
Err(()) => {
if !crate::memory::handle_page_fault(addr) {

View File

@ -1,8 +1,6 @@
use crate::arch::paging::*;
use crate::consts::{KERNEL_OFFSET, MEMORY_END, MEMORY_OFFSET};
use crate::memory::{init_heap, Linear, MemoryAttr, MemorySet, FRAME_ALLOCATOR};
use core::mem;
use log::*;
use crate::memory::{init_heap, FRAME_ALLOCATOR};
use rcore_memory::PAGE_SIZE;
/// Initialize the memory management module
@ -46,10 +44,6 @@ fn init_frame_allocator() {
}
}
// First core stores its SATP here.
// Other cores load it later.
static mut SATP: usize = 0;
pub unsafe fn clear_bss() {
let start = sbss as usize;
let end = ebss as usize;

View File

@ -9,7 +9,6 @@ pub mod rand;
pub mod syscall;
pub mod timer;
use log::*;
use mips::registers::cp0;
#[cfg(feature = "board_malta")]
@ -62,12 +61,14 @@ pub extern "C" fn rust_main() -> ! {
crate::kmain();
}
/*
fn others_main() -> ! {
interrupt::init();
memory::init_other();
timer::init();
crate::kmain();
}
*/
const BOOT_CPU_ID: u32 = 0;

View File

@ -125,7 +125,7 @@ impl Entry for PageEntry {
fn readonly_shared(&self) -> bool {
false
}
fn set_shared(&mut self, writable: bool) {}
fn set_shared(&mut self, _writable: bool) {}
fn clear_shared(&mut self) {}
fn swapped(&self) -> bool {
self.0.flags().contains(EF::RESERVED1)
@ -136,11 +136,11 @@ impl Entry for PageEntry {
fn user(&self) -> bool {
true
}
fn set_user(&mut self, value: bool) {}
fn set_user(&mut self, _value: bool) {}
fn execute(&self) -> bool {
true
}
fn set_execute(&mut self, value: bool) {}
fn set_execute(&mut self, _value: bool) {}
fn mmio(&self) -> u8 {
0
}

View File

@ -18,7 +18,7 @@ pub fn halt() {
unsafe { riscv::asm::wfi() }
}
pub unsafe fn exit_in_qemu(error_code: u8) -> ! {
pub unsafe fn exit_in_qemu(_error_code: u8) -> ! {
super::sbi::shutdown()
}

View File

@ -1,5 +1,5 @@
pub use self::context::*;
use crate::drivers::{DRIVERS, IRQ_MANAGER};
use crate::drivers::IRQ_MANAGER;
use log::*;
use riscv::register::*;

View File

@ -1,10 +1,9 @@
use crate::consts::{KERNEL_OFFSET, MEMORY_END, MEMORY_OFFSET, PHYSICAL_MEMORY_OFFSET};
use crate::memory::{init_heap, Linear, MemoryAttr, MemorySet, FRAME_ALLOCATOR};
use crate::consts::{KERNEL_OFFSET, MEMORY_END, MEMORY_OFFSET};
use crate::memory::{init_heap, MemorySet, FRAME_ALLOCATOR};
use core::mem;
use log::*;
use rcore_memory::PAGE_SIZE;
use riscv::register::satp;
use riscv::{addr::*, register::sstatus};
use riscv::register::sstatus;
/// Initialize the memory management module
pub fn init(dtb: usize) {
@ -51,7 +50,7 @@ fn init_frame_allocator() {
/// Remap the kernel memory address with 4K page recorded in p1 page table
fn remap_the_kernel(_dtb: usize) {
let mut ms = MemorySet::new();
let ms = MemorySet::new();
unsafe {
ms.activate();
}

View File

@ -22,20 +22,17 @@ pub mod timer;
use crate::memory::phys_to_virt;
use core::sync::atomic::{AtomicBool, Ordering};
use log::*;
#[no_mangle]
pub extern "C" fn rust_main(hartid: usize, device_tree_paddr: usize) -> ! {
let mut device_tree_vaddr = phys_to_virt(device_tree_paddr);
let device_tree_vaddr = phys_to_virt(device_tree_paddr);
unsafe {
cpu::set_cpu_id(hartid);
}
#[cfg(feature = "board_rocket_chip")]
{
device_tree_vaddr = board::DTB.as_ptr() as usize;
}
let device_tree_vaddr = board::DTB.as_ptr() as usize;
if hartid != BOOT_HART_ID {
while !AP_CAN_INIT.load(Ordering::Relaxed) {}
@ -88,7 +85,7 @@ const BOOT_HART_ID: usize = 0;
#[cfg(feature = "board_u540")]
const BOOT_HART_ID: usize = 1;
/// Constant & Macro for `trap.asm`
// Constant & Macro for `trap.asm`
#[cfg(target_arch = "riscv32")]
global_asm!(
r"

View File

@ -6,11 +6,7 @@ use rcore_memory::paging::*;
use riscv::addr::*;
use riscv::asm::{sfence_vma, sfence_vma_all};
use riscv::paging::{FrameAllocator, FrameDeallocator};
use riscv::paging::{
Mapper, PageTable as RvPageTable, PageTableEntry, PageTableFlags as EF, PageTableType,
RecursivePageTable,
};
use riscv::register::satp;
use riscv::paging::{Mapper, PageTable as RvPageTable, PageTableEntry, PageTableFlags as EF};
#[cfg(target_arch = "riscv32")]
type TopLevelPageTable<'a> = riscv::paging::Rv32PageTable<'a>;
@ -199,7 +195,7 @@ impl PageTableExt for PageTableImpl {
}
#[cfg(target_arch = "riscv64")]
for i in 509..512 {
if (i == 510) {
if i == 510 {
// MMIO range 0x60000000 - 0x7FFFFFFF does not work as a large page, dunno why
continue;
}
@ -212,40 +208,40 @@ impl PageTableExt for PageTableImpl {
}
// MMIO range 0x60000000 - 0x7FFFFFFF does not work as a large page, dunno why
let flags = EF::VALID | EF::READABLE | EF::WRITABLE;
// map Uartlite for Rocket Chip
#[cfg(feature = "board_rocket_chip")]
self.page_table
.map_to(
Page::of_addr(VirtAddr::new(PHYSICAL_MEMORY_OFFSET + 0x6000_0000)),
Frame::of_addr(PhysAddr::new(0x6000_0000)),
flags,
&mut FrameAllocatorForRiscv,
)
.unwrap()
.flush();
// map AXI INTC for Rocket Chip
#[cfg(feature = "board_rocket_chip")]
self.page_table
.map_to(
Page::of_addr(VirtAddr::new(PHYSICAL_MEMORY_OFFSET + 0x6120_0000)),
Frame::of_addr(PhysAddr::new(0x6120_0000)),
flags,
&mut FrameAllocatorForRiscv,
)
.unwrap()
.flush();
// map AXI4-Stream Data FIFO for Rocket Chip
#[cfg(feature = "board_rocket_chip")]
self.page_table
.map_to(
Page::of_addr(VirtAddr::new(PHYSICAL_MEMORY_OFFSET + 0x64A0_0000)),
Frame::of_addr(PhysAddr::new(0x64A0_0000)),
flags,
&mut FrameAllocatorForRiscv,
)
.unwrap()
.flush();
{
let flags = EF::VALID | EF::READABLE | EF::WRITABLE;
self.page_table
.map_to(
Page::of_addr(VirtAddr::new(PHYSICAL_MEMORY_OFFSET + 0x6000_0000)),
Frame::of_addr(PhysAddr::new(0x6000_0000)),
flags,
&mut FrameAllocatorForRiscv,
)
.unwrap()
.flush();
// map AXI INTC for Rocket Chip
self.page_table
.map_to(
Page::of_addr(VirtAddr::new(PHYSICAL_MEMORY_OFFSET + 0x6120_0000)),
Frame::of_addr(PhysAddr::new(0x6120_0000)),
flags,
&mut FrameAllocatorForRiscv,
)
.unwrap()
.flush();
// map AXI4-Stream Data FIFO for Rocket Chip
self.page_table
.map_to(
Page::of_addr(VirtAddr::new(PHYSICAL_MEMORY_OFFSET + 0x64A0_0000)),
Frame::of_addr(PhysAddr::new(0x64A0_0000)),
flags,
&mut FrameAllocatorForRiscv,
)
.unwrap()
.flush();
}
}
fn token(&self) -> usize {
@ -260,7 +256,7 @@ impl PageTableExt for PageTableImpl {
}
fn active_token() -> usize {
let mut token: usize = 0;
let mut token;
unsafe {
asm!("csrr $0, satp" : "=r"(token) ::: "volatile");
}

View File

@ -18,7 +18,7 @@ impl AcpiHandler for Handler {
}
}
fn unmap_physical_region<T>(&mut self, region: PhysicalMapping<T>) {
fn unmap_physical_region<T>(&mut self, _region: PhysicalMapping<T>) {
// do nothing
}
}

View File

@ -1,7 +1,5 @@
use crate::consts::KERNEL_OFFSET;
use crate::drivers::gpu::fb::{self, ColorDepth, ColorFormat, FramebufferInfo};
use crate::memory::phys_to_virt;
use core::mem::zeroed;
use rboot::BootInfo;
pub fn init_driver(boot_info: &BootInfo) {
@ -17,7 +15,7 @@ pub fn init_driver(boot_info: &BootInfo) {
xoffset: 0,
yoffset: 0,
depth: ColorDepth::ColorDepth32,
format: fb::ColorFormat::RGBA8888,
format: ColorFormat::RGBA8888,
paddr: info.fb_addr as usize,
vaddr: phys_to_virt(info.fb_addr as usize),
screen_size: info.fb_size as usize,

View File

@ -5,7 +5,7 @@ pub mod serial;
use super::BootInfo;
pub fn init(boot_info: &BootInfo) {
pub fn init(_boot_info: &BootInfo) {
serial::init();
keyboard::init();

View File

@ -66,7 +66,7 @@
use super::consts::*;
use super::TrapFrame;
use crate::drivers::{DRIVERS, IRQ_MANAGER};
use crate::drivers::IRQ_MANAGER;
use bitflags::*;
use log::*;

View File

@ -10,7 +10,7 @@ use core::sync::atomic::{spin_loop_hint, AtomicU8, Ordering};
pub type IPIEventItem = Box<dyn Fn()>;
unsafe fn get_apic() -> XApic {
let mut lapic = XApic::new(phys_to_virt(LAPIC_ADDR));
let lapic = XApic::new(phys_to_virt(LAPIC_ADDR));
lapic
}

View File

@ -1,7 +1,6 @@
use super::consts::*;
use crate::memory::{alloc_frame, dealloc_frame, phys_to_virt};
use core::mem::ManuallyDrop;
use core::sync::atomic::Ordering;
use log::*;
use rcore_memory::paging::*;
use x86_64::instructions::tlb;
@ -284,11 +283,11 @@ impl FrameDeallocator<Size4KiB> for FrameAllocatorForX86 {
}
/// Flush TLB for `vaddr` on all CPU
fn flush_tlb_all(vaddr: usize) {
fn flush_tlb_all(_vaddr: usize) {
// FIXME: too slow, disable now.
return;
if !super::AP_CAN_INIT.load(Ordering::Relaxed) {
return;
}
super::ipi::invoke_on_allcpu(move || tlb::flush(VirtAddr::new(vaddr as u64)), false);
// if !super::AP_CAN_INIT.load(Ordering::Relaxed) {
// return;
// }
// super::ipi::invoke_on_allcpu(move || tlb::flush(VirtAddr::new(vaddr as u64)), false);
}

View File

@ -1,5 +1,4 @@
use core::mem::size_of;
use rcore_memory::PAGE_SIZE;
extern "C" {
fn stext();
@ -165,6 +164,7 @@ pub fn backtrace() {
// Kernel stack at 0x0000_57ac_0000_0000 (defined in bootloader crate)
// size = 512 pages
current_fp = *(current_fp as *const usize).offset(0);
use rcore_memory::PAGE_SIZE;
if current_fp >= 0x0000_57ac_0000_0000 + 512 * PAGE_SIZE - size_of::<usize>()
&& current_fp <= 0xffff_ff00_0000_0000
{

View File

@ -1,11 +1,9 @@
use alloc::string::String;
use alloc::sync::Arc;
use log::*;
use virtio_drivers::{VirtIOBlk, VirtIOHeader};
use super::super::{DeviceType, Driver, BLK_DRIVERS, DRIVERS, IRQ_MANAGER};
use crate::memory::phys_to_virt;
use crate::sync::SpinNoIrqLock as Mutex;
struct VirtIOBlkDriver(Mutex<VirtIOBlk<'static>>);

View File

@ -8,7 +8,7 @@ use super::super::block::virtio_blk;
use super::super::gpu::virtio_gpu;
use super::super::input::virtio_input;
use super::super::net::virtio_net;
use crate::memory::{phys_to_virt, virt_to_phys};
use crate::memory::phys_to_virt;
pub fn virtio_probe(node: &Node) {
let reg = match node.prop_raw("reg") {

View File

@ -12,7 +12,7 @@ pub static CONSOLE: Mutex<Option<RCoreConsole>> = Mutex::new(None);
/// Initialize console driver
pub fn init() {
if cfg!(feature = "consolegraphic") {
if let Some(fb) = FRAME_BUFFER.lock().take() {
if let Some(fb) = FRAME_BUFFER.write().take() {
// FIXME: now take FrameBuffer out of global variable, then move into Console
let console = Console::on_frame_buffer(fb.fb_info.xres, fb.fb_info.yres, fb);
*CONSOLE.lock() = Some(console);

View File

@ -2,9 +2,8 @@
use alloc::string::String;
use core::fmt;
use lazy_static::lazy_static;
use log::*;
use spin::Mutex;
use spin::RwLock;
/// Framebuffer information
#[repr(C)]
@ -195,23 +194,48 @@ impl Framebuffer {
}
}
/// Copy buffer `[src_off .. src_off + size]` to `[dst_off .. dst_off + size]`.
/// `dst_off`, `src_off` and `size` must be aligned with `usize`.
pub fn copy(&mut self, dst_off: usize, src_off: usize, size: usize) {
const USIZE: usize = core::mem::size_of::<usize>();
let mut dst = self.base_addr() + dst_off;
let mut src = self.base_addr() + src_off;
let src_end = src + size;
while src < src_end {
unsafe { *(dst as *mut usize) = *(src as *mut usize) }
dst += USIZE;
src += USIZE;
/// Read buffer data starts at `offset` to `buf`.
pub fn read_at(&self, offset: usize, buf: &mut [u8]) -> usize {
if offset >= self.fb_info.screen_size {
return 0;
}
let count = buf.len().min(self.fb_info.screen_size - offset);
let data = unsafe {
core::slice::from_raw_parts((self.buf.base_addr + offset) as *const u8, count)
};
buf[..count].copy_from_slice(&data);
count
}
/// Fill buffer `[offset .. offset + size]` with `pixel`.
/// `offset` and `size` must be aligned with `usize`.
pub fn fill(&mut self, offset: usize, size: usize, pixel: u32) {
/// Write buffer data starts at `offset` to `buf`.
pub fn write_at(&mut self, offset: usize, buf: &[u8]) -> usize {
if offset > self.fb_info.screen_size {
return 0;
}
let count = buf.len().min(self.fb_info.screen_size - offset);
let data = unsafe {
core::slice::from_raw_parts_mut((self.buf.base_addr + offset) as *mut u8, count)
};
data.copy_from_slice(&buf[..count]);
count
}
/// Copy buffer `[src_off .. src_off + count]` to `[dst_off .. dst_off + count]`.
pub fn copy(&mut self, dst_off: usize, src_off: usize, count: usize) {
let size = self.fb_info.screen_size;
if src_off >= size || dst_off >= size {
return;
}
let count = count.min(size - src_off).min(size - dst_off);
unsafe {
let buf = core::slice::from_raw_parts_mut(self.buf.base_addr as *mut u8, size);
buf.copy_within(src_off..src_off + count, dst_off)
};
}
/// Fill buffer `[offset .. offset + count]` with `pixel`.
/// `offset` and `count` must be aligned with `usize`.
pub fn fill(&mut self, offset: usize, count: usize, pixel: u32) {
const USIZE: usize = core::mem::size_of::<usize>();
let mut value: usize = 0;
let depth = self.fb_info.depth as usize;
@ -222,8 +246,13 @@ impl Framebuffer {
value += pixel as usize & mask;
}
let offset = offset & !(USIZE - 1);
if offset >= self.fb_info.screen_size {
return;
}
let count = (count & !(USIZE - 1)).min(self.fb_info.screen_size - offset);
let mut start = self.base_addr() + offset;
let end = start + size;
let end = start + count;
while start < end {
unsafe { *(start as *mut usize) = value }
start += USIZE;
@ -280,7 +309,7 @@ impl ColorEncode for Rgb888 {
}
}
pub static FRAME_BUFFER: Mutex<Option<Framebuffer>> = Mutex::new(None);
pub static FRAME_BUFFER: RwLock<Option<Framebuffer>> = RwLock::new(None);
/// Initialize framebuffer
///
@ -288,5 +317,5 @@ pub static FRAME_BUFFER: Mutex<Option<Framebuffer>> = Mutex::new(None);
pub fn init(info: FramebufferInfo) {
let fb = Framebuffer::new(info);
info!("framebuffer: init end\n{:#x?}", fb);
*FRAME_BUFFER.lock() = Some(fb);
*FRAME_BUFFER.write() = Some(fb);
}

View File

@ -1,5 +1,7 @@
//! driver for qemu stdvga (Cirrus)
#![allow(dead_code)]
use crate::util::{read, write};
const VGA_MMIO_OFFSET: usize = 0x400 - 0x3C0;

View File

@ -1,7 +1,6 @@
use alloc::string::String;
use alloc::sync::Arc;
use log::*;
use virtio_drivers::{VirtIOGpu, VirtIOHeader};
use super::super::{DeviceType, Driver, DRIVERS, IRQ_MANAGER};

View File

@ -31,7 +31,7 @@ impl Driver for VirtIOInputDriver {
pub fn init(header: &'static mut VirtIOHeader) {
let event_buf = Box::leak(Box::new([0u64; 32]));
let mut input = VirtIOInput::new(header, event_buf).expect("failed to create input driver");
let input = VirtIOInput::new(header, event_buf).expect("failed to create input driver");
let driver = Arc::new(VirtIOInputDriver(Mutex::new(input)));
IRQ_MANAGER.write().register_all(driver.clone());

View File

@ -14,6 +14,7 @@ pub mod block;
#[allow(dead_code)]
pub mod bus;
pub mod console;
#[allow(dead_code)]
mod device_tree;
#[allow(dead_code)]
pub mod gpu;

View File

@ -159,10 +159,10 @@ impl Driver for RouterInterface {
let rdfo = AXI_STREAM_FIFO_RDFO.read_volatile();
if rdfo > 0 {
let mut buffer = Vec::new();
let rlr = AXI_STREAM_FIFO_RLR.read_volatile();
let rdr = AXI_STREAM_FIFO_RDR.read_volatile();
let _rlr = AXI_STREAM_FIFO_RLR.read_volatile();
let _rdr = AXI_STREAM_FIFO_RDR.read_volatile();
let port = AXI_STREAM_FIFO_RDFD.read_volatile();
for i in 1..rdfo {
for _ in 1..rdfo {
buffer.push(AXI_STREAM_FIFO_RDFD.read_volatile() as u8);
}
debug!(

View File

@ -2,7 +2,6 @@ use alloc::format;
use alloc::string::String;
use alloc::sync::Arc;
use log::*;
use smoltcp::phy::{self, DeviceCapabilities};
use smoltcp::time::Instant;
use smoltcp::wire::{EthernetAddress, Ipv4Address};
@ -10,7 +9,6 @@ use smoltcp::Result;
use virtio_drivers::{VirtIOHeader, VirtIONet};
use super::super::{DeviceType, Driver, DRIVERS, IRQ_MANAGER, NET_DRIVERS};
use crate::memory::phys_to_virt;
use crate::sync::SpinNoIrqLock as Mutex;
#[derive(Clone)]
@ -51,7 +49,7 @@ impl phy::Device<'_> for VirtIONetDriver {
type TxToken = VirtIONetDriver;
fn receive(&mut self) -> Option<(Self::RxToken, Self::TxToken)> {
let mut net = self.0.lock();
let net = self.0.lock();
if net.can_recv() {
Some((self.clone(), self.clone()))
} else {
@ -60,7 +58,7 @@ impl phy::Device<'_> for VirtIONetDriver {
}
fn transmit(&mut self) -> Option<Self::TxToken> {
let mut net = self.0.lock();
let net = self.0.lock();
if net.can_send() {
Some(self.clone())
} else {

View File

@ -1,32 +1,43 @@
use rcore_fs::vfs::*;
//! Implement INode for framebuffer
use crate::drivers::gpu::fb::{ColorFormat, FramebufferInfo, FRAME_BUFFER};
use crate::memory::phys_to_virt;
use alloc::{string::String, sync::Arc, vec::Vec};
use crate::syscall::MmapProt;
use core::any::Any;
#[derive(Default)]
pub struct Vga;
use rcore_fs::vfs::*;
use rcore_memory::memory_set::handler::Linear;
impl INode for Vga {
#[derive(Default)]
pub struct Fbdev;
impl INode for Fbdev {
fn read_at(&self, offset: usize, buf: &mut [u8]) -> Result<usize> {
Err(FsError::NotSupported)
}
fn write_at(&self, _offset: usize, _buf: &[u8]) -> Result<usize> {
info!("the _offset is {} {}", _offset, _buf[0]);
let lock = FRAME_BUFFER.lock();
if let Some(ref frame_buffer) = *lock {
use core::slice;
let frame_buffer_data = unsafe {
slice::from_raw_parts_mut(
frame_buffer.base_addr() as *mut u8,
frame_buffer.framebuffer_size(),
)
};
frame_buffer_data.copy_from_slice(&_buf);
Ok(frame_buffer.framebuffer_size())
info!(
"fbdev read_at: offset={:#x} buf_len={:#x}",
offset,
buf.len()
);
if let Some(fb) = FRAME_BUFFER.read().as_ref() {
Ok(fb.read_at(offset, buf))
} else {
Err(FsError::EntryNotFound)
Err(FsError::NoDevice)
}
}
fn write_at(&self, offset: usize, buf: &[u8]) -> Result<usize> {
info!(
"fbdev write_at: offset={:#x} buf_len={:#x}",
offset,
buf.len()
);
if let Some(fb) = FRAME_BUFFER.write().as_mut() {
let count = fb.write_at(offset, buf);
if count == buf.len() {
Ok(count)
} else {
Err(FsError::NoDeviceSpace)
}
} else {
Err(FsError::NoDevice)
}
}
fn poll(&self) -> Result<PollStatus> {
@ -41,18 +52,18 @@ impl INode for Vga {
Ok(Metadata {
dev: 0,
inode: 0,
size: 0x24000,
size: 0,
blk_size: 0,
blocks: 0,
atime: Timespec { sec: 0, nsec: 0 },
mtime: Timespec { sec: 0, nsec: 0 },
ctime: Timespec { sec: 0, nsec: 0 },
type_: FileType::SymLink,
mode: 0,
nlinks: 0,
type_: FileType::CharDevice,
mode: 0o660,
nlinks: 1,
uid: 0,
gid: 0,
rdev: 0,
rdev: make_rdev(29, 0),
})
}
fn io_control(&self, cmd: u32, data: usize) -> Result<()> {
@ -62,14 +73,14 @@ impl INode for Vga {
match cmd {
FBIOGET_FSCREENINFO => {
let fb_fix_info = unsafe { &mut *(data as *mut FbFixScreeninfo) };
if let Some(fb) = FRAME_BUFFER.lock().as_ref() {
if let Some(fb) = FRAME_BUFFER.read().as_ref() {
fb_fix_info.fill_from(&fb.fb_info);
}
Ok(())
}
FBIOGET_VSCREENINFO => {
let fb_var_info = unsafe { &mut *(data as *mut FbVarScreeninfo) };
if let Some(fb) = FRAME_BUFFER.lock().as_ref() {
if let Some(fb) = FRAME_BUFFER.read().as_ref() {
fb_var_info.fill_from(&fb.fb_info);
}
Ok(())
@ -80,12 +91,35 @@ impl INode for Vga {
}
}
}
fn mmap(&self, area: MMapArea) -> Result<()> {
let attr = MmapProt::from_bits_truncate(area.prot).to_attr();
#[cfg(target_arch = "aarch64")]
let attr = attr.mmio(crate::arch::paging::MMIOType::NormalNonCacheable as u8);
if let Some(fb) = FRAME_BUFFER.read().as_ref() {
if area.offset + area.end_vaddr - area.start_vaddr > fb.framebuffer_size() {
return Err(FsError::NoDeviceSpace);
}
let thread = unsafe { crate::process::current_thread() };
thread.vm.lock().push(
area.start_vaddr,
area.end_vaddr,
attr,
Linear::new((fb.paddr() + area.offset - area.start_vaddr) as isize),
"mmap_file",
);
Ok(())
} else {
Err(FsError::NoDevice)
}
}
fn as_any_ref(&self) -> &dyn Any {
self
}
}
#[repr(u32)]
#[allow(dead_code)]
#[derive(Debug, Copy, Clone)]
enum FbType {
/// Packed Pixels
@ -103,6 +137,7 @@ enum FbType {
}
#[repr(u32)]
#[allow(dead_code)]
#[derive(Debug, Copy, Clone)]
enum FbVisual {
/// Monochr. 1=Black 0=White

View File

@ -0,0 +1,9 @@
//! Device file system mounted at /dev
mod fbdev;
mod random;
mod stdio;
pub use fbdev::*;
pub use random::*;
pub use stdio::*;

View File

@ -1,14 +1,13 @@
//! Implement INode for RandomINode
use alloc::{collections::vec_deque::VecDeque, string::String, sync::Arc};
use alloc::sync::Arc;
use core::any::Any;
use rcore_fs::vfs::*;
use crate::sync::Condvar;
use crate::sync::SpinNoIrqLock as Mutex;
pub struct RandomINodeData {
struct RandomINodeData {
seed: u32,
}

View File

@ -1,12 +1,11 @@
//! Implement INode for Stdin & Stdout
use alloc::{collections::vec_deque::VecDeque, string::String, sync::Arc};
use alloc::{collections::vec_deque::VecDeque, sync::Arc};
use core::any::Any;
use rcore_fs::vfs::*;
use super::ioctl::*;
use crate::process::Process;
use crate::fs::ioctl::*;
use crate::sync::Condvar;
use crate::sync::SpinNoIrqLock as Mutex;
@ -55,7 +54,7 @@ lazy_static! {
}
impl INode for Stdin {
fn read_at(&self, offset: usize, buf: &mut [u8]) -> Result<usize> {
fn read_at(&self, _offset: usize, buf: &mut [u8]) -> Result<usize> {
if self.can_read() {
buf[0] = self.pop() as u8;
Ok(1)

View File

@ -1,5 +1,7 @@
//! Implement Device
#![allow(dead_code)]
use rcore_fs::dev::*;
use spin::RwLock;
@ -8,6 +10,7 @@ use crate::arch::driver::ide;
#[cfg(target_arch = "aarch64")]
use crate::arch::board::emmc;
#[cfg(target_arch = "aarch64")]
use crate::sync::SpinNoIrqLock as Mutex;
pub struct MemBuf(RwLock<&'static mut [u8]>);

View File

@ -1,16 +1,13 @@
use crate::fs::FileLike;
use crate::memory::MemorySet;
use crate::process::Process;
use crate::sync::{Condvar, SpinNoIrqLock};
use crate::sync::SpinNoIrqLock;
use crate::syscall::{SysError, SysResult};
use alloc::{collections::BTreeMap, collections::BTreeSet};
use core::mem::size_of;
use core::slice;
pub struct EpollInstance {
pub events: BTreeMap<usize, EpollEvent>,
pub readyList: SpinNoIrqLock<BTreeSet<usize>>,
pub newCtlList: SpinNoIrqLock<BTreeSet<usize>>,
pub ready_list: SpinNoIrqLock<BTreeSet<usize>>,
pub new_ctl_list: SpinNoIrqLock<BTreeSet<usize>>,
}
impl Clone for EpollInstance {
@ -20,26 +17,26 @@ impl Clone for EpollInstance {
}
impl EpollInstance {
pub fn new(flags: usize) -> Self {
pub fn new(_flags: usize) -> Self {
return EpollInstance {
events: BTreeMap::new(),
readyList: Default::default(),
newCtlList: Default::default(),
ready_list: Default::default(),
new_ctl_list: Default::default(),
};
}
pub fn control(&mut self, op: usize, fd: usize, event: &EpollEvent) -> SysResult {
match (op as i32) {
match op as i32 {
EPollCtlOp::ADD => {
self.events.insert(fd, event.clone());
self.newCtlList.lock().insert(fd);
self.new_ctl_list.lock().insert(fd);
}
EPollCtlOp::MOD => {
if self.events.get(&fd).is_some() {
self.events.remove(&fd);
self.events.insert(fd, event.clone());
self.newCtlList.lock().insert(fd);
self.new_ctl_list.lock().insert(fd);
} else {
return Err(SysError::EPERM);
}
@ -62,10 +59,9 @@ impl EpollInstance {
#[derive(Clone, Copy)]
pub struct EpollData {
ptr: u64,
_ptr: u64,
}
#[repr(packed)]
#[derive(Clone)]
pub struct EpollEvent {
pub events: u32, /* Epoll events */

View File

@ -1,10 +1,14 @@
//! File handle for process
use crate::memory::GlobalFrameAlloc;
use crate::process::{current_thread, INodeForMap};
use crate::syscall::MmapProt;
use crate::thread;
use alloc::{string::String, sync::Arc};
use core::fmt;
use rcore_fs::vfs::{FsError, INode, Metadata, PollStatus, Result};
use rcore_fs::vfs::{FileType, FsError, INode, MMapArea, Metadata, PollStatus, Result};
use rcore_memory::memory_set::handler::File;
#[derive(Clone)]
pub struct FileHandle {
@ -50,14 +54,12 @@ impl FileHandle {
if !self.options.read {
return Err(FsError::InvalidParam); // FIXME: => EBADF
}
let mut len: usize = 0;
if !self.options.nonblock {
// block
loop {
match self.inode.read_at(offset, buf) {
Ok(read_len) => {
len = read_len;
break;
return Ok(read_len);
}
Err(FsError::Again) => {
thread::yield_now();
@ -68,9 +70,9 @@ impl FileHandle {
}
}
} else {
len = self.inode.read_at(offset, buf)?;
let len = self.inode.read_at(offset, buf)?;
Ok(len)
}
Ok(len)
}
pub fn write(&mut self, buf: &[u8]) -> Result<usize> {
@ -141,6 +143,32 @@ impl FileHandle {
self.inode.io_control(cmd, arg)
}
pub fn mmap(&mut self, area: MMapArea) -> Result<()> {
info!("mmap file path is {}", self.path);
match self.inode.metadata()?.type_ {
FileType::File => {
let prot = MmapProt::from_bits_truncate(area.prot);
let thread = unsafe { current_thread() };
thread.vm.lock().push(
area.start_vaddr,
area.end_vaddr,
prot.to_attr(),
File {
file: INodeForMap(self.inode.clone()),
mem_start: area.start_vaddr,
file_start: area.offset,
file_end: area.offset + area.end_vaddr - area.start_vaddr,
allocator: GlobalFrameAlloc,
},
"mmap_file",
);
Ok(())
}
FileType::CharDevice => self.inode.mmap(area),
_ => Err(FsError::NotSupported),
}
}
pub fn inode(&self) -> Arc<dyn INode> {
self.inode.clone()
}

View File

@ -4,11 +4,9 @@ use super::ioctl::*;
use super::FileHandle;
use crate::fs::epoll::EpollInstance;
use crate::net::Socket;
use crate::sync::Condvar;
use crate::syscall::{SysError, SysResult};
use alloc::boxed::Box;
use alloc::vec::Vec;
use rcore_fs::vfs::PollStatus;
use rcore_fs::vfs::{MMapArea, PollStatus};
// TODO: merge FileLike to FileHandle ?
// TODO: fix dup and remove Clone
@ -24,7 +22,7 @@ impl FileLike {
let len = match self {
FileLike::File(file) => file.read(buf)?,
FileLike::Socket(socket) => socket.read(buf).0?,
FileLike::EpollInstance(instance) => {
FileLike::EpollInstance(_) => {
return Err(SysError::ENOSYS);
}
};
@ -34,7 +32,7 @@ impl FileLike {
let len = match self {
FileLike::File(file) => file.write(buf)?,
FileLike::Socket(socket) => socket.write(buf, None)?,
FileLike::EpollInstance(instance) => {
FileLike::EpollInstance(_) => {
return Err(SysError::ENOSYS);
}
};
@ -51,7 +49,7 @@ impl FileLike {
FileLike::Socket(socket) => {
socket.ioctl(request, arg1, arg2, arg3)?;
}
FileLike::EpollInstance(instance) => {
FileLike::EpollInstance(_) => {
return Err(SysError::ENOSYS);
}
}
@ -59,6 +57,13 @@ impl FileLike {
}
}
}
pub fn mmap(&mut self, area: MMapArea) -> SysResult {
match self {
FileLike::File(file) => file.mmap(area)?,
_ => return Err(SysError::ENOSYS),
};
Ok(0)
}
pub fn poll(&self) -> Result<PollStatus, SysError> {
let status = match self {
FileLike::File(file) => file.poll()?,
@ -66,20 +71,19 @@ impl FileLike {
let (read, write, error) = socket.poll();
PollStatus { read, write, error }
}
FileLike::EpollInstance(instance) => {
FileLike::EpollInstance(_) => {
return Err(SysError::ENOSYS);
}
};
Ok(status)
}
pub fn fcntl(&mut self, cmd: usize, arg: usize) -> SysResult {
match self {
FileLike::File(file) => file.fcntl(cmd, arg)?,
FileLike::Socket(socket) => {
FileLike::Socket(_) => {
//TODO
}
FileLike::EpollInstance(instance) => {}
FileLike::EpollInstance(_) => {}
}
Ok(0)
}
@ -90,7 +94,7 @@ impl fmt::Debug for FileLike {
match self {
FileLike::File(file) => write!(f, "File({:?})", file),
FileLike::Socket(socket) => write!(f, "Socket({:?})", socket),
FileLike::EpollInstance(instance) => write!(f, "EpollInstance()"),
FileLike::EpollInstance(_) => write!(f, "EpollInstance()"),
}
}
}

View File

@ -1,6 +1,7 @@
// for IOR and IOW:
// 32bits total, command in lower 16bits, size of the parameter structure in the lower 14 bits of the upper 16 bits
// higher 2 bits: 01 = write, 10 = read
#![allow(dead_code)]
#[cfg(not(target_arch = "mips"))]
pub const TCGETS: usize = 0x5401;

View File

@ -1,14 +1,17 @@
use alloc::{sync::Arc, vec::Vec};
use rcore_fs::dev::block_cache::BlockCache;
use rcore_fs::vfs::*;
use rcore_fs_devfs::{special::*, DevFS};
use rcore_fs_devfs::{
special::{NullINode, ZeroINode},
DevFS,
};
use rcore_fs_mountfs::MountFS;
use rcore_fs_ramfs::RamFS;
use rcore_fs_sfs::SimpleFileSystem;
use crate::drivers::BlockDriver;
use self::devfs::{Fbdev, RandomINode};
pub use self::devfs::{STDIN, STDOUT};
pub use self::file::*;
pub use self::file_like::*;
pub use self::pipe::Pipe;
@ -18,6 +21,7 @@ pub use self::stdio::{STDIN, STDOUT};
pub use self::vga::*;
pub use self::tty::TtyINode;
mod devfs;
mod device;
pub mod epoll;
mod file;
@ -52,6 +56,8 @@ lazy_static! {
let device = {
#[cfg(any(target_arch = "riscv32", target_arch = "riscv64", target_arch = "x86_64"))]
{
use crate::drivers::BlockDriver;
use rcore_fs::dev::block_cache::BlockCache;
let driver = BlockDriver(
crate::drivers::BLK_DRIVERS
.read().iter()
@ -89,6 +95,7 @@ lazy_static! {
devfs.add("random", Arc::new(RandomINode::new(false))).expect("failed to mknod /dev/random");
devfs.add("urandom", Arc::new(RandomINode::new(true))).expect("failed to mknod /dev/urandom");
devfs.add("tty", Arc::new(TtyINode::default())).expect("failed to mknod /dev/tty");
devfs.add("fb0", Arc::new(Fbdev::default())).expect("failed to mknod /dev/fb0");
// mount DevFS at /dev
let dev = root.find(true, "dev").unwrap_or_else(|_| {

View File

@ -1,6 +1,6 @@
//! Implement INode for Pipe
use alloc::{collections::vec_deque::VecDeque, string::String, sync::Arc};
use alloc::{collections::vec_deque::VecDeque, sync::Arc};
use core::any::Any;
use rcore_fs::vfs::*;

View File

@ -1,6 +1,6 @@
//! Pseudo file system INode
use alloc::{string::String, sync::Arc, vec::Vec};
use alloc::vec::Vec;
use core::any::Any;
use rcore_fs::vfs::*;
@ -50,7 +50,7 @@ impl INode for Pseudo {
ctime: Timespec { sec: 0, nsec: 0 },
type_: self.type_,
mode: 0,
nlinks: 0,
nlinks: 1,
uid: 0,
gid: 0,
rdev: 0,

View File

@ -26,7 +26,6 @@ impl INode for TtyINode {
error: false,
})
}
fn as_any_ref(&self) -> &dyn Any { self }
/// Get metadata of the INode
fn metadata(&self) -> Result<Metadata> {
@ -47,4 +46,6 @@ impl INode for TtyINode {
rdev: make_rdev(5, 0),
})
}
fn as_any_ref(&self) -> &dyn Any { self }
}

View File

@ -1,12 +1,11 @@
use crate::sync::Semaphore;
use crate::sync::SpinLock as Mutex;
use alloc::{boxed::Box, collections::BTreeMap, string::String, sync::Arc, sync::Weak, vec::Vec};
use alloc::{collections::BTreeMap, sync::Arc, sync::Weak, vec::Vec};
use core::ops::Index;
use spin::RwLock;
/// A System V semaphore set
pub struct SemArray {
key: usize,
_key: usize,
sems: Vec<Semaphore>,
}
@ -35,12 +34,12 @@ impl SemArray {
}
// not found, create one
let mut semaphores = Vec::new();
for i in 0..nsems {
for _ in 0..nsems {
semaphores.push(Semaphore::new(0));
}
// insert to global map
let array = Arc::new(SemArray {
key,
_key: key,
sems: semaphores,
});
key2sem.insert(key, Arc::downgrade(&array));

View File

@ -1,7 +1,5 @@
use super::*;
use crate::lkm::manager::ModuleManager;
use crate::lkm::structs::LoadedModule;
use alloc::boxed::Box;
use alloc::string::String;
use alloc::sync::Arc;
use core::alloc::{GlobalAlloc, Layout};
@ -10,7 +8,7 @@ use core::slice::from_raw_parts;
pub fn get_module(this_module: usize) -> &'static mut LoadedModule {
unsafe {
let ptr = this_module as *mut LoadedModule;
&mut (*ptr) as (&'static mut LoadedModule)
&mut (*ptr) as &'static mut LoadedModule
}
}
@ -81,6 +79,6 @@ pub extern "C" fn lkm_api_add_kernel_symbols(start: usize, end: usize) {
let symbols = unsafe { from_utf8(from_raw_parts(start as *const u8, length)) }.unwrap();
let global_lkmm = &LKM_MANAGER;
let mut locked_lkmm = global_lkmm.lock();
let mut lkmm = locked_lkmm.as_mut().unwrap();
let lkmm = locked_lkmm.as_mut().unwrap();
lkmm.init_kernel_symbols(symbols);
}

View File

@ -1,14 +1,10 @@
// Simple kernel memory set for kernel virtual memory
use crate::arch::paging::PageTableImpl;
use crate::consts::*;
use crate::memory::GlobalFrameAlloc;
use crate::sync::SpinLock as Mutex;
use alloc::vec::*;
use buddy_system_allocator::*;
use core::alloc::Layout;
use core::mem::ManuallyDrop;
use core::ops::DerefMut;
use core::ptr::NonNull;
use lazy_static::lazy_static;
use rcore_memory::memory_set::handler::{ByFrame, MemoryHandler};
use rcore_memory::memory_set::MemoryAttr;
@ -38,14 +34,14 @@ impl MemorySpaceManager for LinearManager {
LinearManager { last_page: 0 }
}
fn alloc(&mut self, size: usize) -> Option<(usize, usize)> {
let mut required_pages = (size + PAGE_SIZE - 1) / PAGE_SIZE;
let required_pages = (size + PAGE_SIZE - 1) / PAGE_SIZE;
let current = self.last_page * PAGE_SIZE + KSEG2_START;
self.last_page += required_pages;
Some((current, required_pages * PAGE_SIZE))
}
fn free(&mut self, (addr, size): (usize, usize)) {
fn free(&mut self, (_addr, _size): (usize, usize)) {
//Do nothing.
}
}
@ -99,7 +95,7 @@ impl VirtualSpace {
impl Drop for VirtualSpace {
fn drop(&mut self) {
for mut v in self.areas.iter_mut() {
for v in self.areas.iter_mut() {
v.unmap(self.allocator, &mut self.page_allocator);
}
}
@ -108,7 +104,7 @@ impl Drop for VirtualSpace {
pub struct VirtualArea {
start: usize,
end: usize,
attr: MemoryAttr,
_attr: MemoryAttr,
}
impl VirtualArea {
@ -119,7 +115,7 @@ impl VirtualArea {
parent: &mut VirtualSpace,
) -> VirtualArea {
let aligned_start_addr = page_addr - page_addr % PAGE_SIZE;
let mut aligned_end = (page_addr + size + PAGE_SIZE - 1);
let mut aligned_end = page_addr + size + PAGE_SIZE - 1;
aligned_end = aligned_end - aligned_end % PAGE_SIZE;
let lock = parent.allocator.lock();
let mut active_pt = lock.kernel_table();
@ -132,7 +128,7 @@ impl VirtualArea {
VirtualArea {
start: aligned_start_addr,
end: aligned_end,
attr: attr.clone(),
_attr: attr.clone(),
}
}
pub fn unmap(&mut self, allocator: &LockedVMM, parent: &mut ByFrame<GlobalFrameAlloc>) {

View File

@ -2,36 +2,26 @@ use super::api::*;
use super::const_reloc as loader;
use super::kernelvm::*;
use super::structs::*;
use crate::consts::*;
use crate::lkm::structs::ModuleState::{Ready, Unloading};
use crate::memory::GlobalFrameAlloc;
use crate::sync::{Condvar, SpinLock as Mutex};
use crate::sync::SpinLock as Mutex;
use crate::syscall::SysError::*;
use crate::syscall::SysResult;
use alloc::boxed::Box;
use alloc::collections::btree_map::BTreeMap;
use alloc::prelude::*;
use alloc::string::*;
use alloc::sync::Arc;
use alloc::vec::*;
use core::borrow::BorrowMut;
use core::mem::transmute;
use core::slice;
use lazy_static::lazy_static;
use rcore_memory::memory_set::handler::{ByFrame, MemoryHandler};
use rcore_memory::memory_set::MemoryAttr;
use rcore_memory::{Page, PAGE_SIZE};
use rcore_memory::PAGE_SIZE;
use xmas_elf::dynamic::Tag;
use xmas_elf::program::Type::Load;
use xmas_elf::sections::SectionData;
use xmas_elf::sections::SectionData::{DynSymbolTable64, Dynamic64, Undefined};
use xmas_elf::symbol_table::DynEntry64;
use xmas_elf::symbol_table::Entry;
use xmas_elf::{
header,
program::{Flags, Type},
ElfFile,
};
use xmas_elf::{header, ElfFile};
// The symbol data table.
global_asm!(include_str!("symbol_table.asm"));
@ -96,15 +86,15 @@ impl ModuleManager {
return;
}
use compression::prelude::*;
let zipped_symbols =
unsafe { slice::from_raw_parts(symbol_table_start as *const u8, symbol_table_len) }
.to_vec();
let zipped_symbols = unsafe {
core::slice::from_raw_parts(symbol_table_start as *const u8, symbol_table_len)
}
.to_vec();
let real_symbols = zipped_symbols
.decode(&mut GZipDecoder::new())
.collect::<Result<Vec<_>, _>>()
.unwrap();
use core::slice;
use core::str::from_utf8;
self.init_kernel_symbols(from_utf8(&real_symbols).unwrap());
}
@ -113,7 +103,7 @@ impl ModuleManager {
for l in lines.into_iter() {
let mut words = l.split_whitespace();
let address = words.next().unwrap();
let stype = words.next().unwrap();
let _stype = words.next().unwrap();
let name = words.next().unwrap();
// Simply add the symbol into stub.
self.stub_symbols.insert(
@ -170,7 +160,7 @@ impl ModuleManager {
Some(base + (selected_symbol.value() as usize))
}
}
pub fn init_module(&mut self, module_image: &[u8], param_values: &str) -> SysResult {
pub fn init_module(&mut self, module_image: &[u8], _param_values: &str) -> SysResult {
let elf = ElfFile::new(module_image).expect("[LKM] failed to read elf");
let is32 = match elf.header.pt2 {
header::HeaderPt2::Header32(_) => true,
@ -299,7 +289,7 @@ impl ModuleManager {
if flags.is_execute() {
attr = attr.execute();
}
let area_ref = vspace_ref.add_area(prog_start_addr, prog_end_addr, &attr);
let _area_ref = vspace_ref.add_area(prog_start_addr, prog_end_addr, &attr);
//self.vallocator.map_pages(prog_start_addr, prog_end_addr, &attr);
//No need to flush TLB.
let target = unsafe {
@ -497,7 +487,7 @@ impl ModuleManager {
fn reloc_symbols(
&mut self,
elf: &ElfFile,
(start, total_size, single_size): (usize, usize, usize),
(start, total_size, _single_size): (usize, usize, usize),
base: usize,
dynsym: &[DynEntry64],
this_module: usize,
@ -511,8 +501,8 @@ impl ModuleManager {
match s.get_data(elf).unwrap() {
SectionData::Rela64(rela_items) => {
for item in rela_items.iter() {
let mut addend = item.get_addend() as usize;
let mut reloc_addr = item.get_offset() as usize;
let addend = item.get_addend() as usize;
let reloc_addr = item.get_offset() as usize;
let sti = item.get_symbol_table_index() as usize;
let itype = item.get_type() as usize;
self.relocate_single_symbol(
@ -529,8 +519,8 @@ impl ModuleManager {
}
SectionData::Rel64(rel_items) => {
for item in rel_items.iter() {
let mut addend = 0 as usize;
let mut reloc_addr = item.get_offset() as usize;
let addend = 0 as usize;
let reloc_addr = item.get_offset() as usize;
let sti = item.get_symbol_table_index() as usize;
let itype = item.get_type() as usize;
self.relocate_single_symbol(
@ -554,7 +544,7 @@ impl ModuleManager {
}
}
}
pub fn delete_module(&mut self, name: &str, flags: u32) -> SysResult {
pub fn delete_module(&mut self, name: &str, _flags: u32) -> SysResult {
//unimplemented!("[LKM] You can't plug out what's INSIDE you, RIGHT?");
info!("[LKM] now you can plug out a kernel module!");
@ -589,7 +579,7 @@ impl ModuleManager {
}
drop(mod_lock);
let my_box = self.loaded_modules.remove(i);
let _my_box = self.loaded_modules.remove(i);
unsafe {
LKM_MANAGER.force_unlock();
}
@ -607,7 +597,7 @@ impl ModuleManager {
pub fn with<T>(f: impl FnOnce(&mut ModuleManager) -> T) -> T {
let global_lkmm: &Mutex<Option<ModuleManager>> = &LKM_MANAGER;
let mut locked_lkmm = global_lkmm.lock();
let mut lkmm = locked_lkmm.as_mut().unwrap();
let lkmm = locked_lkmm.as_mut().unwrap();
f(lkmm)
}
pub fn init() {

View File

@ -155,7 +155,7 @@ pub fn enlarge_heap(heap: &mut Heap) {
let mut addrs = [(0, 0); 32];
let mut addr_len = 0;
let va_offset = PHYSICAL_MEMORY_OFFSET;
for i in 0..16384 {
for _ in 0..16384 {
let page = alloc_frame().unwrap();
let va = va_offset + page;
if addr_len > 0 {

View File

@ -197,7 +197,7 @@ impl Socket for TcpSocketState {
})
}
fn write(&self, data: &[u8], sendto_endpoint: Option<Endpoint>) -> SysResult {
fn write(&self, data: &[u8], _sendto_endpoint: Option<Endpoint>) -> SysResult {
let mut sockets = SOCKETS.lock();
let mut socket = sockets.get::<TcpSocket>(self.handle.0);
@ -212,7 +212,7 @@ impl Socket for TcpSocketState {
poll_ifaces();
Ok(size)
}
Err(err) => Err(SysError::ENOBUFS),
Err(_) => Err(SysError::ENOBUFS),
}
} else {
Err(SysError::ENOBUFS)
@ -480,7 +480,7 @@ impl Socket for UdpSocketState {
poll_ifaces();
Ok(data.len())
}
Err(err) => Err(SysError::ENOBUFS),
Err(_) => Err(SysError::ENOBUFS),
}
} else {
Err(SysError::ENOBUFS)
@ -523,7 +523,7 @@ impl Socket for UdpSocketState {
}
}
fn ioctl(&mut self, request: usize, arg1: usize, arg2: usize, arg3: usize) -> SysResult {
fn ioctl(&mut self, request: usize, arg1: usize, _arg2: usize, _arg3: usize) -> SysResult {
match request {
// SIOCGARP
0x8954 => {
@ -710,7 +710,7 @@ impl PacketSocketState {
}
impl Socket for PacketSocketState {
fn read(&self, data: &mut [u8]) -> (SysResult, Endpoint) {
fn read(&self, _data: &mut [u8]) -> (SysResult, Endpoint) {
unimplemented!()
}

View File

@ -73,7 +73,7 @@ pub extern "C" fn server(_arg: usize) -> ! {
if socket.can_recv() {
let mut data = [0u8; 2048];
let size = socket.recv_slice(&mut data).unwrap();
let _size = socket.recv_slice(&mut data).unwrap();
}
}
}

View File

@ -25,6 +25,7 @@ use crate::process::thread_manager;
use core::mem::MaybeUninit;
use rcore_fs::vfs::INode;
#[allow(dead_code)]
pub struct Thread {
context: Context,
kstack: KernelStack,
@ -102,10 +103,11 @@ impl rcore_thread::Context for Thread {
impl Thread {
/// Make a struct for the init thread
pub unsafe fn new_init() -> Box<Thread> {
let zero = MaybeUninit::<Thread>::zeroed();
Box::new(Thread {
context: Context::null(),
// safety: other fields will never be used
..core::mem::MaybeUninit::zeroed().assume_init()
..zero.assume_init()
})
}
@ -143,8 +145,8 @@ impl Thread {
/// Return `(MemorySet, entry_point, ustack_top)`
pub fn new_user_vm(
inode: &Arc<dyn INode>,
exec_path: &str,
mut args: Vec<String>,
_exec_path: &str,
args: Vec<String>,
envs: Vec<String>,
) -> Result<(MemorySet, usize, usize), &'static str> {
// Read ELF header
@ -385,12 +387,7 @@ impl Process {
let mut process_table = PROCESSES.write();
// assign pid
let pid = (0..)
.find(|i| match process_table.get(i) {
Some(p) => false,
_ => true,
})
.unwrap();
let pid = (0..).find(|i| process_table.get(i).is_none()).unwrap();
self.pid = Pid(pid);
// put to process table

View File

@ -1,6 +1,6 @@
use super::*;
use crate::process::thread_manager;
use crate::process::Process;
use crate::process::{current_thread, thread_manager};
use crate::thread;
use alloc::collections::VecDeque;
use alloc::sync::Arc;
@ -44,7 +44,7 @@ impl Condvar {
}
/// Wait for condvar until condition() returns Some
pub fn wait_event<T>(condvar: &Condvar, mut condition: impl FnMut() -> Option<T>) -> T {
pub fn wait_event<T>(condvar: &Condvar, condition: impl FnMut() -> Option<T>) -> T {
Self::wait_events(&[condvar], condition)
}
@ -60,7 +60,7 @@ impl Condvar {
let mut locks = Vec::with_capacity(condvars.len());
loop {
for condvar in condvars {
let mut lock = condvar.wait_queue.lock();
let lock = condvar.wait_queue.lock();
locks.push(lock);
}
thread_manager().sleep(tid, 0);
@ -162,13 +162,13 @@ impl Condvar {
let epoll_list = self.epoll_queue.lock();
for ist in epoll_list.iter() {
if thread.id() == ist.tid {
let mut proc = ist.proc.lock();
let proc = ist.proc.lock();
match proc.get_epoll_instance(ist.epfd) {
Ok(instacne) => {
let mut readylist = instacne.readyList.lock();
readylist.insert(ist.fd);
let mut ready_list = instacne.ready_list.lock();
ready_list.insert(ist.fd);
}
Err(r) => {
Err(_) => {
panic!("epoll instance not exist");
}
}

View File

@ -17,9 +17,6 @@
//! 完全照搬`std::sync::Semaphore`std中已经废弃。
//! 貌似在Rust中并不常用一般都用`Mutex`。
//!
//! * `mpsc`: 消息传递通道。
//! 多生产者-单消费者的FIFO队列。用于在线程间传递数据。
//!
//! * `test`: 测试。
//! 目前分别用`Mutex`和`Condvar`(Monitor)实现了哲学家就餐问题。
//!
@ -55,7 +52,6 @@ pub use self::mutex::*;
pub use self::semaphore::*;
mod condvar;
pub mod mpsc;
mod mutex;
mod semaphore;
pub mod test;

View File

@ -1,145 +0,0 @@
use super::Condvar;
use super::SpinLock as Mutex;
use alloc::{collections::VecDeque, sync::Arc, sync::Weak};
struct Channel<T> {
deque: Mutex<VecDeque<T>>,
pushed: Condvar,
}
impl<T> Default for Channel<T> {
fn default() -> Self {
Channel {
deque: Mutex::<_>::default(),
pushed: Condvar::default(),
}
}
}
/// The receiving half of Rust's channel (or sync_channel) type.
/// This half can only be owned by one thread.
///
/// Messages sent to the channel can be retrieved using recv.
pub struct Receiver<T> {
inner: Arc<Channel<T>>,
}
unsafe impl<T: Send> Send for Receiver<T> {}
impl<T> !Sync for Receiver<T> {}
#[derive(Debug)]
pub struct RecvError;
impl<T> Receiver<T> {
/// Attempts to wait for a value on this receiver,
/// returning an error if the corresponding channel has hung up.
pub fn recv(&self) -> Result<T, RecvError> {
let mut deque = self.inner.deque.lock();
while deque.is_empty() {
deque = self.inner.pushed.wait(deque);
}
Ok(deque.pop_front().unwrap())
}
}
/// The sending-half of Rust's asynchronous channel type.
/// This half can only be owned by one thread, but it can be cloned to send to other threads.
///
/// Messages can be sent through this channel with send.
#[derive(Clone)]
pub struct Sender<T> {
inner: Weak<Channel<T>>,
}
unsafe impl<T: Send> Send for Sender<T> {}
impl<T> !Sync for Sender<T> {}
#[derive(Debug)]
pub struct SendError<T>(pub T);
impl<T> Sender<T> {
/// Attempts to send a value on this channel,
/// returning it back if it could not be sent.
pub fn send(&self, t: T) -> Result<(), SendError<T>> {
match self.inner.upgrade() {
None => Err(SendError(t)),
Some(inner) => {
let mut deque = inner.deque.lock();
deque.push_back(t);
inner.pushed.notify_one();
Ok(())
}
}
}
}
/// Creates a new asynchronous channel, returning the sender/receiver halves.
pub fn channel<T>() -> (Sender<T>, Receiver<T>) {
let channel = Arc::new(Channel::<T>::default());
let sender = Sender {
inner: Arc::downgrade(&channel),
};
let receiver = Receiver { inner: channel };
(sender, receiver)
}
pub mod test {
//! Copied from std::mpsc::test
use super::*;
use crate::thread;
use alloc::boxed::Box;
fn smoke() {
let (tx, rx) = channel::<i32>();
tx.send(1).unwrap();
assert_eq!(rx.recv().unwrap(), 1);
}
fn drop_full() {
let (tx, _rx) = channel::<Box<isize>>();
tx.send(Box::new(1)).unwrap();
}
fn drop_full_shared() {
let (tx, _rx) = channel::<Box<isize>>();
drop(tx.clone());
drop(tx.clone());
tx.send(Box::new(1)).unwrap();
}
fn smoke_shared() {
let (tx, rx) = channel::<i32>();
tx.send(1).unwrap();
assert_eq!(rx.recv().unwrap(), 1);
let tx = tx.clone();
tx.send(1).unwrap();
assert_eq!(rx.recv().unwrap(), 1);
}
fn smoke_threads() {
let (tx, rx) = channel::<i32>();
let _t = thread::spawn(move || {
tx.send(1).unwrap();
});
assert_eq!(rx.recv().unwrap(), 1);
}
fn smoke_port_gone() {
let (tx, rx) = channel::<i32>();
drop(rx);
assert!(tx.send(1).is_err());
}
pub fn test_all() {
smoke();
drop_full();
drop_full_shared();
smoke_shared();
smoke_threads();
smoke_port_gone();
println!("mpsc test end");
}
}

View File

@ -64,7 +64,7 @@ impl Semaphore {
/// Get the current count
pub fn get(&self) -> isize {
let mut count = self.lock.lock();
let count = self.lock.lock();
*count
}

View File

@ -1,7 +1,5 @@
//! Custom nonstandard syscalls
use super::*;
use rcore_memory::memory_set::handler::Linear;
use rcore_memory::memory_set::MemoryAttr;
impl Syscall<'_> {
/// Allocate this PCI device to user space
@ -9,6 +7,9 @@ impl Syscall<'_> {
#[cfg(target_arch = "x86_64")]
pub fn sys_map_pci_device(&mut self, vendor: usize, product: usize) -> SysResult {
use crate::drivers::bus::pci;
use rcore_memory::memory_set::handler::Linear;
use rcore_memory::memory_set::MemoryAttr;
info!(
"map_pci_device: vendor: {:x}, product: {:x}",
vendor, product
@ -35,7 +36,7 @@ impl Syscall<'_> {
}
#[cfg(not(target_arch = "x86_64"))]
pub fn sys_map_pci_device(&mut self, vendor: usize, product: usize) -> SysResult {
pub fn sys_map_pci_device(&mut self, _vendor: usize, _product: usize) -> SysResult {
Err(SysError::ENOSYS)
}

View File

@ -1,4 +1,7 @@
//! Syscalls for file system
#![allow(dead_code)]
use core::cell::UnsafeCell;
use core::cmp::min;
use core::mem::size_of;
@ -8,18 +11,14 @@ use rcore_fs::vfs::Timespec;
use crate::drivers::SOCKET_ACTIVITY;
use crate::fs::*;
use crate::memory::MemorySet;
use crate::sync::{Condvar, SpinNoIrqLock};
use crate::sync::Condvar;
use crate::trap::TICK_ACTIVITY;
use alloc::{collections::BTreeMap, collections::BTreeSet};
use bitvec::prelude::{BitSlice, BitVec, LittleEndian};
use bitvec::prelude::{BitSlice, BitVec, Lsb0};
use super::*;
use crate::fs::epoll::EpollInstance;
use crate::net::server;
use crate::process::Process;
use alloc::collections::VecDeque;
use bitflags::_core::task::Poll;
use rcore_fs::vfs::PollStatus;
impl Syscall<'_> {
@ -110,7 +109,7 @@ impl Syscall<'_> {
}
// check whether the fds is valid and is owned by this process
let mut condvars = alloc::vec![&(*TICK_ACTIVITY), &STDIN.pushed, &(*SOCKET_ACTIVITY)];
let condvars = alloc::vec![&(*TICK_ACTIVITY), &STDIN.pushed, &(*SOCKET_ACTIVITY)];
let polls = unsafe { self.vm().check_write_array(ufds, nfds)? };
@ -202,7 +201,7 @@ impl Syscall<'_> {
1 << 31
};
let mut condvars = alloc::vec![&(*TICK_ACTIVITY), &STDIN.pushed, &(*SOCKET_ACTIVITY)];
let condvars = alloc::vec![&(*TICK_ACTIVITY), &STDIN.pushed, &(*SOCKET_ACTIVITY)];
// for debugging
if cfg!(debug_assertions) {
@ -272,8 +271,8 @@ impl Syscall<'_> {
pub fn sys_epoll_create1(&mut self, flags: usize) -> SysResult {
info!("epoll_create1: flags: {:?}", flags);
let mut proc = self.process();
let epollInstance = EpollInstance::new(flags);
let fd = proc.add_file(FileLike::EpollInstance(epollInstance));
let epoll_instance = EpollInstance::new(flags);
let fd = proc.add_file(FileLike::EpollInstance(epoll_instance));
Ok(fd)
}
@ -296,14 +295,14 @@ impl Syscall<'_> {
return Err(SysError::EPERM);
}
let epollInstance = match proc.get_epoll_instance_mut(epfd) {
let epoll_instance = match proc.get_epoll_instance_mut(epfd) {
Ok(ins) => ins,
Err(err) => {
return Err(err);
}
};
let ret = epollInstance.control(op, fd, &_event)?;
let ret = epoll_instance.control(op, fd, &_event)?;
return Ok(ret);
}
@ -323,26 +322,26 @@ impl Syscall<'_> {
events: *mut EpollEvent,
maxevents: usize,
timeout_msecs: usize,
sigset_t: usize,
_sigset_t: usize,
) -> SysResult {
info!("epoll_pwait: epfd: {}, timeout: {:?}", epfd, timeout_msecs);
let mut proc = self.process();
let proc = self.process();
let events = unsafe { self.vm().check_write_array(events, maxevents)? };
let epollInstance = proc.get_epoll_instance(epfd)?;
let epoll_instance = proc.get_epoll_instance(epfd)?;
// add new fds which are registered by epoll_ctl after latest epoll_pwait
epollInstance.readyList.lock().clear();
epollInstance
.readyList
epoll_instance.ready_list.lock().clear();
epoll_instance
.ready_list
.lock()
.extend(epollInstance.newCtlList.lock().clone());
epollInstance.newCtlList.lock().clear();
.extend(epoll_instance.new_ctl_list.lock().clone());
epoll_instance.new_ctl_list.lock().clear();
// if registered fd has data to handle and its mode isn't epollet, we need
// to add it to the list.
let keys: Vec<_> = epollInstance.events.keys().cloned().collect();
for (k, v) in epollInstance.events.iter() {
let keys: Vec<_> = epoll_instance.events.keys().cloned().collect();
for (k, v) in epoll_instance.events.iter() {
if !v.contains(EpollEvent::EPOLLET) {
match &proc.files.get(k) {
None => {
@ -351,8 +350,8 @@ impl Syscall<'_> {
Some(file_like) => {
let status = file_like.poll()?;
if status.write || status.read || status.error {
let mut readylist = epollInstance.readyList.lock();
readylist.insert(*k);
let mut ready_list = epoll_instance.ready_list.lock();
ready_list.insert(*k);
}
}
}
@ -362,11 +361,11 @@ impl Syscall<'_> {
let mut callbacks = alloc::vec![];
for fd in &keys {
let mut proc = self.process();
let proc = self.process();
match proc.files.get(&fd) {
Some(file_like) => {
match file_like {
FileLike::File(file) => {
FileLike::File(_file) => {
&crate::fs::STDIN.pushed.register_epoll_list(
self.thread.proc.clone(),
thread::current().id(),
@ -375,7 +374,7 @@ impl Syscall<'_> {
);
callbacks.push((0, thread::current().id(), epfd, *fd));
}
FileLike::Socket(socket) => {
FileLike::Socket(_socket) => {
&(*crate::drivers::SOCKET_ACTIVITY).register_epoll_list(
self.thread.proc.clone(),
thread::current().id(),
@ -384,7 +383,7 @@ impl Syscall<'_> {
);
callbacks.push((1, thread::current().id(), epfd, *fd));
}
FileLike::EpollInstance(instance) => {
FileLike::EpollInstance(_) => {
return Err(SysError::EINVAL);
}
};
@ -394,23 +393,22 @@ impl Syscall<'_> {
drop(proc);
}
let mut condvars = alloc::vec![&(*TICK_ACTIVITY), &STDIN.pushed, &(*SOCKET_ACTIVITY)];
let condvars = alloc::vec![&(*TICK_ACTIVITY), &STDIN.pushed, &(*SOCKET_ACTIVITY)];
let begin_time_ms = crate::trap::uptime_msec();
let condition = move || {
use PollEvents as PE;
let mut proc = self.process();
let epollInstance = match proc.get_epoll_instance_mut(epfd) {
let epoll_instance = match proc.get_epoll_instance_mut(epfd) {
Ok(ins) => ins,
Err(err) => {
return Some(Err(err));
}
};
let readylist = epollInstance.readyList.lock().clone();
let ready_list = epoll_instance.ready_list.lock().clone();
let mut events_num = 0;
for infd in readylist.iter() {
for infd in ready_list.iter() {
let mut status: PollStatus = Default::default();
{
if let Some(file_like) = proc.files.get(&infd) {
@ -425,13 +423,13 @@ impl Syscall<'_> {
}
{
let epollInstance = match proc.get_epoll_instance_mut(epfd) {
let epoll_instance = match proc.get_epoll_instance_mut(epfd) {
Ok(ins) => ins,
Err(err) => {
return Some(Err(err));
}
};
let epollevent = epollInstance.events.get_mut(&infd)?;
let epollevent = epoll_instance.events.get_mut(&infd)?;
if status.error {
events[events_num].events = EpollEvent::EPOLLERR;
@ -454,13 +452,13 @@ impl Syscall<'_> {
}
{
let epollInstance = match proc.get_epoll_instance_mut(epfd) {
let epoll_instance = match proc.get_epoll_instance_mut(epfd) {
Ok(ins) => ins,
Err(err) => {
return Some(Err(err));
}
};
epollInstance.readyList.lock().clear();
epoll_instance.ready_list.lock().clear();
}
drop(proc);
@ -611,7 +609,7 @@ impl Syscall<'_> {
dirfd as isize, path, mode, flags
);
}
let inode =
let _inode =
proc.lookup_inode_at(dirfd, &path, !flags.contains(AtFlags::SYMLINK_NOFOLLOW))?;
Ok(0)
}
@ -1150,10 +1148,6 @@ impl Process {
"/proc/self/exe" => {
return Ok(Arc::new(Pseudo::new(&self.exec_path, FileType::SymLink)));
}
"/dev/fb0" => {
info!("/dev/fb0 will be opened");
return Ok(Arc::new(Vga::default()));
}
_ => {}
}
let (fd_dir_path, fd_name) = split_path(&path);
@ -1579,7 +1573,7 @@ impl From<Metadata> for Stat {
nlink: info.nlinks as u32,
uid: info.uid as u32,
gid: info.gid as u32,
rdev: 0,
rdev: info.rdev as u64,
size: info.size as u64,
blksize: info.blk_size as u32,
blocks: info.blocks as u64,
@ -1610,7 +1604,7 @@ impl From<Metadata> for Stat {
nlink: info.nlinks as u32,
uid: info.uid as u32,
gid: info.gid as u32,
rdev: 0,
rdev: info.rdev as u64,
size: info.size as u64,
blksize: info.blk_size as u32,
blocks: info.blocks as u64,
@ -1729,8 +1723,8 @@ const FD_PER_ITEM: usize = 8 * size_of::<u32>();
const MAX_FDSET_SIZE: usize = 1024 / FD_PER_ITEM;
struct FdSet {
bitset: &'static mut BitSlice<LittleEndian, u32>,
origin: BitVec<LittleEndian, u32>,
bitset: &'static mut BitSlice<Lsb0, u32>,
origin: BitVec<Lsb0, u32>,
}
impl FdSet {
@ -1748,7 +1742,7 @@ impl FdSet {
return Err(SysError::EINVAL);
}
let slice = unsafe { vm.check_write_array(addr, len)? };
let bitset: &'static mut BitSlice<LittleEndian, u32> = slice.into();
let bitset: &'static mut BitSlice<Lsb0, u32> = slice.into();
debug!("bitset {:?}", bitset);
// save the fdset, and clear it

View File

@ -1,9 +1,6 @@
use crate::sync::Semaphore;
use crate::sync::SpinLock as Mutex;
use alloc::{boxed::Box, collections::BTreeMap, string::String, sync::Arc, sync::Weak, vec::Vec};
#![allow(dead_code)]
use bitflags::*;
use core::cell::UnsafeCell;
use spin::RwLock;
pub use crate::ipc::*;

View File

@ -1,8 +1,5 @@
use crate::lkm::manager::ModuleManager;
use crate::sync::Mutex;
use crate::syscall::{check_and_clone_cstr, SysResult, Syscall};
use alloc::collections::btree_map::BTreeMap;
use compression::prelude::Action;
impl Syscall<'_> {
pub fn sys_init_module(
@ -11,7 +8,7 @@ impl Syscall<'_> {
len: usize,
param_values: *const u8,
) -> SysResult {
let mut proc = self.process();
let _proc = self.process();
let modimg = unsafe { self.vm().check_read_array(module_image, len)? };
let copied_param_values = check_and_clone_cstr(param_values)?;
@ -19,7 +16,7 @@ impl Syscall<'_> {
}
pub fn sys_delete_module(&mut self, module_name: *const u8, flags: u32) -> SysResult {
let mut proc = self.process();
let _proc = self.process();
let copied_modname = check_and_clone_cstr(module_name)?;
info!("[LKM] Removing module {:?}", copied_modname);
let ret = ModuleManager::with(|kmm| kmm.delete_module(&copied_modname, flags));

View File

@ -1,15 +1,15 @@
use rcore_memory::memory_set::handler::{Delay, File, Linear};
use rcore_fs::vfs::MMapArea;
use rcore_memory::memory_set::handler::Delay;
use rcore_memory::memory_set::MemoryAttr;
use rcore_memory::PAGE_SIZE;
use crate::memory::GlobalFrameAlloc;
use super::*;
use crate::memory::GlobalFrameAlloc;
impl Syscall<'_> {
pub fn sys_mmap(
&mut self,
mut addr: usize,
addr: usize,
len: usize,
prot: usize,
flags: usize,
@ -24,6 +24,7 @@ impl Syscall<'_> {
);
let mut proc = self.process();
let mut addr = addr;
if addr == 0 {
// although NULL can be a valid address
// but in C, NULL is regarded as allocation failure
@ -49,49 +50,18 @@ impl Syscall<'_> {
Delay::new(GlobalFrameAlloc),
"mmap_anon",
);
return Ok(addr);
Ok(addr)
} else {
let file = proc.get_file(fd)?;
info!("mmap path is {} ", &*file.path);
match &*file.path {
"/dev/fb0" => {
use crate::drivers::gpu::fb::FRAME_BUFFER;
let attr = prot.to_attr();
#[cfg(feature = "board_raspi3")]
let attr = attr.mmio(crate::arch::paging::MMIOType::NormalNonCacheable as u8);
if let Some(fb) = FRAME_BUFFER.lock().as_ref() {
self.vm().push(
addr,
addr + len,
attr,
Linear::new((fb.paddr() - addr) as isize),
"mmap_file",
);
info!("mmap for /dev/fb0");
return Ok(addr);
} else {
return Err(SysError::ENOENT);
}
}
_ => {
let inode = file.inode();
self.vm().push(
addr,
addr + len,
prot.to_attr(),
File {
file: INodeForMap(inode),
mem_start: addr,
file_start: offset,
file_end: offset + len,
allocator: GlobalFrameAlloc,
},
"mmap_file",
);
return Ok(addr);
}
let file_like = proc.get_file_like(fd)?;
let area = MMapArea {
start_vaddr: addr,
end_vaddr: addr + len,
prot: prot.bits(),
flags: flags.bits(),
offset,
};
file_like.mmap(area)?;
Ok(addr)
}
}
@ -101,7 +71,7 @@ impl Syscall<'_> {
"mprotect: addr={:#x}, size={:#x}, prot={:?}",
addr, len, prot
);
let attr = prot.to_attr();
let _attr = prot.to_attr();
// FIXME: properly set the attribute of the area
// now some mut ptr check is fault
@ -121,6 +91,7 @@ impl Syscall<'_> {
Ok(0)
}
}
bitflags! {
pub struct MmapProt: usize {
/// Data cannot be accessed
@ -163,7 +134,7 @@ bitflags! {
}
impl MmapProt {
fn to_attr(self) -> MemoryAttr {
pub fn to_attr(self) -> MemoryAttr {
let mut attr = MemoryAttr::default().user();
if self.contains(MmapProt::EXEC) {
attr = attr.execute();

View File

@ -1,3 +1,5 @@
#![allow(dead_code)]
use super::*;
use crate::arch::cpu;
use crate::consts::USER_STACK_SIZE;

View File

@ -406,7 +406,7 @@ impl Syscall<'_> {
SYS_PIPE => {
let fd_ptr = args[0] as *mut u32;
match self.sys_pipe(fd_ptr) {
Ok(code) => {
Ok(_code) => {
unsafe {
self.tf.v0 = *fd_ptr as usize;
self.tf.v1 = *(fd_ptr.add(1)) as usize;

View File

@ -519,15 +519,15 @@ enum_with_unknown! {
}
}
const IPPROTO_IP: usize = 0;
const IPPROTO_ICMP: usize = 1;
const IPPROTO_TCP: usize = 6;
pub const IPPROTO_IP: usize = 0;
pub const IPPROTO_ICMP: usize = 1;
pub const IPPROTO_TCP: usize = 6;
const SOL_SOCKET: usize = 1;
const SO_SNDBUF: usize = 7;
const SO_RCVBUF: usize = 8;
const SO_LINGER: usize = 13;
pub const SOL_SOCKET: usize = 1;
pub const SO_SNDBUF: usize = 7;
pub const SO_RCVBUF: usize = 8;
pub const SO_LINGER: usize = 13;
const TCP_CONGESTION: usize = 13;
pub const TCP_CONGESTION: usize = 13;
const IP_HDRINCL: usize = 3;
pub const IP_HDRINCL: usize = 3;

View File

@ -13,6 +13,7 @@ impl Syscall<'_> {
Ok(pid)
}
#[cfg(target_arch = "x86_64")]
pub fn sys_vfork(&mut self) -> SysResult {
self.sys_fork()
}

View File

@ -29,6 +29,7 @@ impl Syscall<'_> {
Ok(0)
}
#[cfg(target_arch = "x86_64")]
pub fn sys_time(&mut self, time: *mut u64) -> SysResult {
let sec = get_epoch_usec() / USEC_PER_SEC;
if time as usize != 0 {
@ -64,7 +65,7 @@ impl Syscall<'_> {
info!("times: buf: {:?}", buf);
let buf = unsafe { self.vm().check_write_ptr(buf)? };
let tick_base = *TICK_BASE;
let _tick_base = *TICK_BASE;
let tick = unsafe { crate::trap::TICK as u64 };
let new_buf = Tms {

View File

@ -1 +1 @@
nightly-2020-01-17
nightly-2020-04-06

2
user

@ -1 +1 @@
Subproject commit 0aeea8f956884e8cfecb73a02fdaa5c287ae1b9d
Subproject commit bb156ac8b60a4223da9871f7bfbd883f68f5b284