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Update rustsbi; huge_write writes 1MiB

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This commit is contained in:
Yifan Wu 2021-08-26 19:04:10 +08:00
parent a4d955f927
commit 5d2d508e25
5 changed files with 6 additions and 4 deletions
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bootloader/rustsbi-k210.bin
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bootloader/rustsbi-qemu.bin
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4
os/src/trap/mod.rs
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@ -116,7 +116,9 @@ pub fn trap_return() -> ! {
#[no_mangle] #[no_mangle]
pub fn trap_from_kernel() -> ! { pub fn trap_from_kernel() -> ! {
use riscv::register::sepc;
println!("stval = {:#x}, sepc = {:#x}", stval::read(), sepc::read());
panic!("a trap {:?} from kernel!", scause::read().cause()); panic!("a trap {:?} from kernel!", scause::read().cause());
} }
pub use context::{TrapContext}; pub use context::TrapContext;

4
user/src/bin/huge_write.rs
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@ -24,13 +24,13 @@ pub fn main() -> i32 {
} }
let f = f as usize; let f = f as usize;
let start = get_time(); let start = get_time();
let size_mb = 5usize; let size_mb = 1usize;
for _ in 0..1024*size_mb { for _ in 0..1024*size_mb {
write(f, &buffer); write(f, &buffer);
} }
close(f); close(f);
let time_ms = (get_time() - start) as usize; let time_ms = (get_time() - start) as usize;
let speed_kbs = size_mb * 1000000 / time_ms; let speed_kbs = size_mb * 1000000 / time_ms;
println!("time cost = {}ms, write speed = {}KiB/s", time_ms, speed_kbs); println!("{}MiB written, time cost = {}ms, write speed = {}KiB/s", size_mb, time_ms, speed_kbs);
0 0
} }