fcf5074500
impl M-mode kernel for riscv32
6 years ago
2f8cfabbca
remove redundant nightly features
6 years ago
a74b893bd2
update Makefile
6 years ago
f882a085d6
user: link created SFS image in kernel
6 years ago
94bc8353f7
user: create SFS image in Makefile
6 years ago
02eb7d9125
update 'riscv-pk' to upstream submodule
6 years ago
6921e9018d
fix NoMMU entry point
6 years ago
18640b7537
impl NoMMU
6 years ago
52fe93188d
disable delay allocating frame, remove `memory_set_record`
6 years ago
2db453556d
try to fix interrupt & deadlock on RV32
6 years ago
d30c7e59ca
aarch64: minor modify
6 years ago
264600f145
aarch64/mmu: add io remap
6 years ago
a8b334123a
aarch64/mmu: add memory region attribute config
6 years ago
f9e47b2fd8
aarch64/mmu: refactor PageTableFlags
6 years ago
de6354ddd3
aarch64/mmu: use ASID to avoid flush TLB frequently in context switch
6 years ago
55087fc5a2
aarch64/mmu: use both TTBR0_EL1 & TTBR1_EL1
6 years ago
46f0e85230
add `ucore-i386-pic.img` user programs. reorganize imgs.
6 years ago
bb1c1abaa4
aarch64/mmu: can run on the real raspi3
6 years ago
a9de99d3a9
aarch64/mmu: remap kernel memory ranges at the end of memory::init()
6 years ago
99c5b3c3f8
Merge branch 'arch-aarch64' into mmu
6 years ago
13be52133d
aarch64: move kernel stack top to 0x100000
6 years ago
f398945ad3
aarch64: hard link user program
6 years ago
9e8124abbb
aarch64/mmu: mmu enabled
6 years ago
b1bdac7d0f
fix merge for aarch64. now it works!
6 years ago
2daf8c188d
Merge remote-tracking branch 'equation314/arch-aarch64' into dev
...
# Conflicts:
# .gitignore
# kernel/Cargo.lock
# kernel/Cargo.toml
# kernel/Makefile
# kernel/riscv32-blog_os.json
# kernel/src/consts.rs
# kernel/src/fs.rs
# kernel/src/lib.rs
# kernel/src/process/context.rs
# kernel/src/process/mod.rs
6 years ago
56fcad245a
update kernel to 2018 edition
6 years ago
c4935a1477
use `pc-keyboard` crate and enable keyboard again for x86
6 years ago
76d2c6ec7b
Fix the bug of active_table_swap() wrongly force unlock in pg fault handler
6 years ago
b2fec2b16b
Fix a bug in context for smp
6 years ago
67035ac556
Fix a bug in pg fault handler caused by memory_set_record
6 years ago
00d0ea8a8b
Modified the code in pgfault
6 years ago
9d803e87d9
replace some unwrap() and comment the cow pgfault handler
6 years ago
df485d506e
simplify ProcessManager
...
- given that a proc can only be waited by its parent, wait_queue is no longer needed.
6 years ago
5478b9ba7b
no longer show normal page fault
6 years ago
ef75c8a072
fix unwrap panic. now user shell is working.
6 years ago
da399dca96
remove Process struct
6 years ago
205f90a264
Merge branch 'dev' into g4-merge
...
# Conflicts:
# crate/memory/src/cow.rs
# crate/memory/src/memory_set.rs
# crate/memory/src/paging/mod.rs
# crate/memory/src/swap/mod.rs
# crate/process/src/lib.rs
# crate/process/src/process_manager.rs
# crate/process/src/processor.rs
# crate/process/src/thread.rs
# crate/riscv
# kernel/Cargo.lock
# kernel/src/arch/riscv32/compiler_rt.rs
# kernel/src/arch/riscv32/consts.rs
# kernel/src/arch/riscv32/context.rs
# kernel/src/arch/riscv32/interrupt.rs
# kernel/src/arch/riscv32/memory.rs
# kernel/src/arch/riscv32/mod.rs
# kernel/src/arch/riscv32/paging.rs
# kernel/src/arch/x86_64/driver/ide.rs
# kernel/src/arch/x86_64/interrupt/handler.rs
# kernel/src/arch/x86_64/mod.rs
# kernel/src/console.rs
# kernel/src/consts.rs
# kernel/src/fs.rs
# kernel/src/lib.rs
# kernel/src/memory.rs
# kernel/src/process/context.rs
# kernel/src/process/mod.rs
# kernel/src/syscall.rs
# kernel/src/trap.rs
6 years ago
e06f6b8bc5
update Cargo.toml & Cargo.lock
6 years ago
d27ac65df3
fix load program slice error
6 years ago
5ce7d0a9c0
use user shell by default. fix kernel shell removing user thread.
6 years ago
21b0bdcbca
separate kernel shell to a mod, remove console mod
6 years ago
b3e5d1987e
update Cargo.lock
6 years ago
9b3294a5f2
fix clear bss when load user program. 'sh' works!
6 years ago
40b099ed79
clean riscv-pk in Makefile
6 years ago
44bf3fb07a
impl sys_exec
6 years ago
576ae1d911
add setup_page_table
6 years ago
f4305b382f
Add comment and report for expr4
6 years ago
ef213d60bb
mmu
6 years ago
eb00b2bfd3
merge conflict
6 years ago
a8da42d521
Add expr4 report and some trace for synctest
6 years ago
4d8d48cf4d
repair some bugs and move child control to processmanager
6 years ago
65cd42028c
Add illegal vma check in page fault hangler
6 years ago
c5499a62c5
Fix bug in swap in/out. Address ailign to 4K.
6 years ago
6652f8daf6
repair some bugs
6 years ago
8d6d3b7c37
debug for sleepkill
6 years ago
f97e8458b8
impl stdin & stdout as INode
6 years ago
5ee44588e0
Enlarge the physical and kernel heap memory. Fix the bug in map the kernel.
6 years ago
0b900b6f03
Code Transplanting: Blocking getchar
6 years ago
9adcea44d5
Code transplanting: Fix bugs. Pass test 'spin'
6 years ago
a589ae90f3
use SysError in syscalls
6 years ago
beb6533059
impl sys_getdirentry. 'ls' ok.
6 years ago
124a5e0d5d
impl sys_dup
...
- Fix exit_code: i32
- Convert Box<File> to Arc<Mutex<File>> in Context
6 years ago
16be828370
impl sys_fstat
6 years ago
128257c395
impl argc & argv for user process
6 years ago
5610d0bdb0
aarch64: context switch is runnable!
6 years ago
e27aea47e1
impl file syscalls, without test
6 years ago
200a574a1f
fix physical memory range on RV32
6 years ago
67b920cc16
aarch64: format paging.rs
6 years ago
a0b948fb53
add basic alloc
6 years ago
a13f39149b
add basic alloc
6 years ago
91bd411a8f
fit for multi-thread sfs
...
- use global root inode
- remove global IDE on x86
6 years ago
9fc13c8ebb
aarch64: implement syscall
6 years ago
a91534e34d
aarch64: implement context switch, but not tested
6 years ago
16fb733497
Blocking getchar
6 years ago
a145909998
Fix compile error after merge for the new processor.
6 years ago
fcdee71f9d
Merge confilt
6 years ago
c8ea2cb0cf
Fix bug and enable swap in/out and frame delayed allocating.
6 years ago
87506b000d
debug for process
6 years ago
3e1d8c5827
aarch64: implement ARM generic timer, can work in qemu
6 years ago
2002ddd5fa
move processor from wrj
6 years ago
b1425a53f9
finish frame delayed allocating
6 years ago
0a6b4fb8f2
Modify const. Update cargo.
6 years ago
ba4a24ba3b
Fix RV32 multi-core: Setup page table for other cores.
6 years ago
b7d6b2989d
Fix bugs. Pass test 'spin'
...
- Fix ACK IRQ on x86.
- Add process exit handler.
6 years ago
ed20aa45fd
Fix user process bug on RV32.
...
Set sstatus.SIE = 0 on the initial TrapFrame, to prevent interrupt on switching.
6 years ago
6fc23e1134
Ugly impl sys_wait(0)
6 years ago
74facd8e87
Use Vec to replace array in ProcessManager.
6 years ago
07aa9a0686
aarch64: implement IRQ & system timer, but don't work in qemu
6 years ago
182c595a20
Enable multi-core on RV32.
6 years ago
250f1385d3
Better debug print for TrapFrame on RV32
6 years ago
4f03eff015
Use SpinNoIrqLock to replace the spin::mutex
6 years ago
504401355f
Add expr3 report(not finiished.
6 years ago
8c19499112
aarch64: implement exception interface & synchronous exception handler
6 years ago
7229b49eb8
Use rust-lld for RV32. Remove riscv git submodule.
6 years ago
2c3de7b222
Merge branch 'OsTrain2018-g4' of github.com:oscourse-tsinghua/RustOS into lcy_issue1
6 years ago
edde416052
Finish swap for multi-user process
6 years ago
3386a793a5
aarch64: disable NEON
6 years ago
001254fd64
riscv32: change linker to rust-lld
6 years ago
ae5260db5c
aarch64: change linker to rust-lld
6 years ago
7746485861
aarch64: add target 'install' to Makefile
6 years ago
632baedabd
aarch64: can run on the real raspi3
6 years ago
2e094d08bc
common: add a logo
6 years ago
abf3418d24
aarch64: implement I/O by serial port
6 years ago
72dc3f62ad
Remove kernel stack from MemorySet.
6 years ago
addf49ffdb
aarch64: add crate bcm2837, implement GPIO
6 years ago
438e290b6d
Fix PageTable::get_entry -> Option.
6 years ago
cc936ded35
aarch64: bootable in qemu
6 years ago
a42d6086c6
Simplify IDE code.
6 years ago
81196729e4
Fix RV32 atomic.
...
- Fix __atomic_compare_exchange_4().
- Add patch for core::sync::atomic.
- Revert kernel Mutex.
6 years ago
ede69959e4
debug for compare exchange
6 years ago
174e0da3b6
aarch64: basic framework
6 years ago
1140d32aaa
add arch=aarch64 & board=raspi3 to Makefile
6 years ago
95ab9caba1
Add impl of atomic_fetch_*
6 years ago
0680023e35
Recover wait/sleep
6 years ago
85a1dca684
Use weak linkage to provide dependencies for process::thread.
6 years ago
80b161db98
Recover set_priority and fork
6 years ago
5db908b1c5
Separate ProcessManager to a mod.
6 years ago
f7eb09e856
Multicore processing WORKS! Basically ...
...
- Rewrite processor.rs
Refactor to `Processor` & `ProcessManager`
- Use Box<dyn> instead of generic.
- Wait/sleep/wakeup is not supported yet.
I'm considering to implement them with WaitQueue.
6 years ago
6741ba399b
Add arch::cpu::halt(). Halt when panic.
6 years ago
5f34cc54d8
Merge branch 'OsTrain2018-g4' of github.com:oscourse-tsinghua/RustOS into lcy_issue1
6 years ago
63349ade19
Finish add more comment for kernel and finish set user memory swappable.
6 years ago
9474ad7220
update atomic function and workaround the LLVM compiling bug(maybe)
6 years ago
5bc392f388
Enable RV32 IPI.
6 years ago
1b4edf3bb2
Merge branch 'rv32-smp-porting' into dev
...
# Conflicts:
# kernel/Makefile
6 years ago
72e92c07f9
Switch to RV64 GNU toolchain. Simplify compiler_rt.
6 years ago
f1771f8ef2
Finish x86 SMP startup. Support timer & IPI.
...
- Remove smp, apic mod.
Instead, use new bootloader & apic crate.
- Disable PIC & PIT.
Instead, use IOAPIC & APIC Timer.
6 years ago
f27fd37d82
replaced spin::Mutex with sync::SpinLock, now spinlock works well.
6 years ago
f7b7b1bcd6
added workaround for atomic ops
6 years ago
cfda03a0f2
trying to add atomic implementations in rv32, but still buggy
6 years ago
0a81014007
Add page handler for swap in/out in riscv32's pagefault
6 years ago
49cd04dce3
added rv32 smp booting, with slight modification to bbl
6 years ago
6cf0d6db23
fixed setting in riscv-pk to enable rv32ia, added smp option in Makefile
6 years ago
0a7ec18701
Add page fault handler to riscv 32.
6 years ago
96cdf37b15
Add some comment for paging and add proposal doc
6 years ago
cef2d792be
Add part of comments for riscv32 module
6 years ago
2157e4bbcf
Add comment for interrutp and trap code
6 years ago
91455d163d
Finish comment riscv context.
6 years ago
5b4aefdb0d
Add comment for riscv32 context
6 years ago
e4300d3515
Add more comment in kernel but not finished
6 years ago
4e0b510895
Finish comment for ristv boot.
6 years ago
cd1bd55729
Update README, travis, riscv crate.
6 years ago
924c061d64
Merge branch 'x86-boot'
...
# Conflicts:
# crate/riscv
# kernel/Makefile
6 years ago
224905f12c
Update Makefile
6 years ago
7a9b746c68
x86_64 back to normal.
...
* Fix kernel stack P4E
* User programs: disk0 -> disk1
* IDE IRQ appears ??
6 years ago
7f00001fd1
Move to higher half
6 years ago
5a0ce1e464
Refactored RISC-V page table identity mapping into a function.
6 years ago
11223957d1
Add `mkdir build` in makefile.
...
It this is missing, building with a clean repository will fail
because build/ does not exist.
6 years ago
0a9c294814
Fix x86_64 startup. TODO: higher half.
...
* Remove legacy boot, MP, ACPI.
* Disable SMP.
* Modify startup: boot -> arch::init -> kmain.
* Fix FrameAllocator on x86_64.
* Remove kernel remap.
* Alloc kernel heap at bss.
6 years ago
0437e5cb17
Make it compile for bootimage toolchain
...
* Revert to nightly-2018-08-27 due to its bug on macOS
* Not build C code
6 years ago
caeff9ad97
Update packages and fit for new Rust nightly
6 years ago
cbe7affc5d
Merge riscv for QEMU & FPGA
6 years ago
ff8930a36c
Make frame allocator smaller. Fix serial stupid bug.
6 years ago
3cf118ba67
Mul & div inst emulation
6 years ago
b99dc3d1cf
Merge branch 'new-rv-toolchain' into board
6 years ago
640872d154
Use alloc API to fix stack overflow in release mode.
6 years ago
384f6a9c9c
Change kernel heap to identity map
6 years ago
dc97b4b433
Fix atomic_compare_exchange
6 years ago
3d0d6e3d02
Merge branch 'new-rv-toolchain' into board
...
# Conflicts:
# kernel/Makefile
# kernel/src/arch/riscv32/boot/entry.asm
6 years ago
3d6fcb8d8c
Fix x86_64. Not elegant.
6 years ago
10e3cea340
Only use Rust toolchain to build for rv32. Set arch to rv32i. x86_64 broken.
6 years ago
296b6196f4
rv64 toolchain configure for riscv-pk
6 years ago
b88648ff44
Fit for newest Rust nightly. x86_64 ok, riscv32 broken.
6 years ago
7e5726845f
Simple bootloader. Remove riscv-pk.
6 years ago
a2111a928f
Move thread mod to ucore-process crate
6 years ago
fed7b38845
Try to fix travis for x86_64
6 years ago
776dc976c9
Fix for user
6 years ago
6022ec8efc
Fix load user program out of range
6 years ago
52d3443e05
Recover idle process. Make shell wait for the user it spawned.
6 years ago
c8a9eaf3e6
Split process mod to extern crate
6 years ago
37a6df252f
Refactor process mod
6 years ago
97b838981f
Fix console
6 years ago
cf1a2d3450
Simple kernel shell
6 years ago
542a06d50e
Set default log level to WARN
6 years ago
5647fb1273
Fix build guide
6 years ago
60c2a77ac1
Unify IO in arch
6 years ago
f1407dff7b
Note the reason of double fault in x86_64 release mode.
6 years ago
1cb50c00ba
Fit for SFS
6 years ago
6b0556e135
Add Cargo.lock
6 years ago
0c9679b710
Fix fork and syscall return value.
6 years ago
27daa6d491
Fix user trap
6 years ago
69bc5caa81
Fix syscall return value, args. Pass `hello`.
6 years ago
76f5af7d30
Merge `rust_main`. Change the way to pass multiboot info address.
6 years ago
c768ec3e1e
Recover fs for RV32. Add user-riscv.img
...
Now load user programs from SFS data linked at kernel.
6 years ago
019770c92d
Modify build path
6 years ago
3286fed36c
Recover syscall for RV32
6 years ago
1ad3ed738e
Can run user program in RV32
6 years ago
c0138c4c35
Fix linking user program binaries
6 years ago
4faa8a65ae
Move kernel to a new directory
6 years ago
WangRunji
equation314
lcy1996
koumingyang
chenqiuhao
maoyuchaxue
dzy