silentEAG / SakanaOS

Related to rCore, learn OS with Rust and RISC-V

Sakana-OS (experimental)

Note: Update slowly

Related to rCore, learn OS with Rust and RISC-V.

Plan

• Finished all experiments in rCore
  • ch1
  • ch2
  • ch3
• ?

(To be continue...)

How to use

Unfinished

Previous work

• Rust devlopment environment (ngintly).
• qemu-system-riscv64 needed (7.0).

Wanting to get more setup infomation just view rCore-setup-env.

Run

Use cd os && make run to start.

[KERNEL|DEBUG] .text [0x80200000, 0x80204000)
[KERNEL|DEBUG] .rodata [0x80204000, 0x8020c000)
[KERNEL|DEBUG] .data [0x8020c000, 0x80214000)
[KERNEL|DEBUG] boot_stack [0x80214000, 0x80224000)
[KERNEL|DEBUG] .bss [0x80224000, 0x80225000)
[KERNEL|INFO] sakana-os v0.1.0 built at Mon, 12 Sep 2022 15:22:15 +0800
[KERNEL|INFO] Hello, world!
[KERNEL|TRACE] num_app = 4
[KERNEL|TRACE] app_0 [0x8020c030, 0x8020d8d8)
[KERNEL|TRACE] app_1 [0x8020d8d8, 0x8020f1d0)
[KERNEL|TRACE] app_2 [0x8020f1d0, 0x80210dd8)
[KERNEL|TRACE] app_3 [0x80210dd8, 0x80212dc0)
[KERNEL|TRACE] Loading app_0
[KERNEL|INFO] PageFault in application, kernel killed it.
[KERNEL|TRACE] Loading app_1
Hello, SilentE!
[KERNEL|INFO] Application exited with code 0
[KERNEL|TRACE] Loading app_2
time: 49
[KERNEL|INFO] Application exited with code 0
[KERNEL|TRACE] Loading app_3
[KERNEL|ERROR] Unsupported fd in sys_write!
string from data section
strinstring from stack section
strin
Test write1 OK!
[KERNEL|INFO] Application exited with code 0
[KERNEL|ERROR] Panicked at src/batch/mod.rs:70:13, All applications completed!
==Stack Tracing Begin==
Return Address: 0x0000000080200bbc, fp: 0x0000000080206c50
Return Address: 0x0000000080201ca2, fp: 0x0000000080206ce0
Return Address: 0x00000000802007a2, fp: 0x0000000080206e10
Return Address: 0x00000000802016c6, fp: 0x0000000080206e70
Return Address: 0x0000000080200dec, fp: 0x0000000080206ef0
Return Address: 0x00000000802008cc, fp: 0x0000000080208fd0
Return Address: 0x00000000804002f4, fp: 0x0000000080208fe0
Return Address: 0x0000000080400094, fp: 0x0000000080209000
Return Address: 0x0000000000000000, fp: 0x0000000000000000
==Stack Tracing End==
[KERNEL|INFO] Shutdown...

Reference

• RISC-V-Reader
• rCore
• no_std book
• MoeOS
• Freestanding Rust Binary
• The Adventures of OS