Instructor: jjm
This repository is created for synchronizing codes between different machines and reference. The codes will be submitted to PTA for duplication checking, please obey the code of academy.
- Compile Linux kernel using cross compiling tools
- Learn how to debug using gdb in qemu
- Complete RV64 kernel boot
- Call API provided by OpenSBI to implement the output of characters in console.
OpenSBI v0.9
____ _____ ____ _____
/ __ \ / ____| _ \_ _|
| | | |_ __ ___ _ __ | (___ | |_) || |
| | | | '_ \ / _ \ '_ \ \___ \| _ < | |
| |__| | |_) | __/ | | |____) | |_) || |_
\____/| .__/ \___|_| |_|_____/|____/_____|
| |
|_|
......
Boot HART MIDELEG : 0x0000000000000222
Boot HART MEDELEG : 0x000000000000b109
......
2022 Hello RISC-V
- Set timer interrupt event
- Complete trap handler
kernel is running!
[S] Supervisor Mode Timer Interrupt
kernel is running!
[S] Supervisor Mode Timer Interrupt
kernel is running!
[S] Supervisor Mode Timer Interrupt
kernel is running!
[S] Supervisor Mode Timer Interrupt
kernel is running!
[S] Supervisor Mode Timer Interrupt
kernel is running!
[S] Supervisor Mode Timer Interrupt
kernel is running!
[S] Supervisor Mode Timer Interrupt
kernel is running!
[S] Supervisor Mode Timer Interrupt
kernel is running!
[S] Supervisor Mode Timer Interrupt
- Implement switch of thread
- Complete thread schedule(SJF, PRIORITY)
OpenSBI v0.9
____ _____ ____ _____
/ __ \ / ____| _ \_ _|
| | | |_ __ ___ _ __ | (___ | |_) || |
| | | | '_ \ / _ \ '_ \ \___ \| _ < | |
| |__| | |_) | __/ | | |____) | |_) || |_
\____/| .__/ \___|_| |_|_____/|____/_____|
| |
|_|
...
Boot HART MIDELEG : 0x0000000000000222
Boot HART MEDELEG : 0x000000000000b109
...mm_init done!
...proc_init done!
Hello RISC-V
idle process is running!
SET [PID = 1 COUNTER = 10]
SET [PID = 2 COUNTER = 10]
SET [PID = 3 COUNTER = 5]
SET [PID = 4 COUNTER = 2]
switch to [PID = 4 COUNTER = 2]
[PID = 4] is running. auto_inc_local_var = 1
[PID = 4] is running. auto_inc_local_var = 2
switch to [PID = 3 COUNTER = 5]
[PID = 3] is running. auto_inc_local_var = 1
.....
[PID = 3] is running. auto_inc_local_var = 5
switch to [PID = 2 COUNTER = 10]
[PID = 2] is running. auto_inc_local_var = 1
...
[PID = 2] is running. auto_inc_local_var = 10
switch to [PID = 1 COUNTER = 10]
[PID = 1] is running. auto_inc_local_var = 1
...
[PID = 1] is running. auto_inc_local_var = 10
SET [PID = 1 COUNTER = 9]
SET [PID = 2 COUNTER = 4]
SET [PID = 3 COUNTER = 4]
SET [PID = 4 COUNTER = 10]
switch to [PID = 3 COUNTER = 4]
[PID = 3] is running. auto_inc_local_var = 6
...
[PID = 3] is running. auto_inc_local_var = 9
OpenSBI v0.9
____ _____ ____ _____
/ __ \ / ____| _ \_ _|
| | | |_ __ ___ _ __ | (___ | |_) || |
| | | | '_ \ / _ \ '_ \ \___ \| _ < | |
| |__| | |_) | __/ | | |____) | |_) || |_
\____/| .__/ \___|_| |_|_____/|____/_____|
| |
|_|
...
Boot HART MIDELEG : 0x0000000000000222
Boot HART MEDELEG : 0x000000000000b109
...mm_init done!
...proc_init done!
Hello RISC-V
idle process is running!
switch to [PID = 28 COUNTER = 1]
[PID = 28] is running! thread space begin at 0xffffffe007fa2000
switch to [PID = 12 COUNTER = 1]
[PID = 12] is running! thread space begin at 0xffffffe007fb2000
switch to [PID = 14 COUNTER = 2]
[PID = 14] is running! thread space begin at 0xffffffe007fb0000
[PID = 14] is running! thread space begin at 0xffffffe007fb0000
switch to [PID = 9 COUNTER = 2]
[PID = 9] is running! thread space begin at 0xffffffe007fb5000
[PID = 9] is running! thread space begin at 0xffffffe007fb5000
switch to [PID = 2 COUNTER = 2]
[PID = 2] is running! thread space begin at 0xffffffe007fbc000
[PID = 2] is running! thread space begin at 0xffffffe007fbc000
switch to [PID = 1 COUNTER = 2]
[PID = 1] is running! thread space begin at 0xffffffe007fbd000
[PID = 1] is running! thread space begin at 0xffffffe007fbd000
switch to [PID = 29 COUNTER = 3]
[PID = 29] is running! thread space begin at 0xffffffe007fa1000
[PID = 29] is running! thread space begin at 0xffffffe007fa1000
[PID = 29] is running! thread space begin at 0xffffffe007fa1000
switch to [PID = 11 COUNTER = 3]
[PID = 11] is running! thread space begin at 0xffffffe007fb3000
...
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