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vmm: Introduce riscv64 architecture support

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Integrate all works done previously to enable booting riscv linux on
riscv platforms, example command:

```console
./target/debug/cloud-hypervisor \
        --kernel path/to/kernel \
        --disk path=path/to/disk \
        --cmdline "console=hvc0 root=/dev/vda rw" \
        --cpus boot=1 \
        --memory size=1024M \
        --seccomp false
```

Signed-off-by: Ruoqing He <heruoqing@iscas.ac.cn>
This commit is contained in:
Ruoqing He
2025-03-11 08:55:07 +08:00
committed by Rob Bradford
parent 08c1bb4b00
commit c99660a8f9
8 changed files with 306 additions and 25 deletions
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vmm/src/serial_manager.rs
+4 -4
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@@ -16,7 +16,7 @@ use std::{io, result, thread};
#[cfg(target_arch = "aarch64")]
use devices::legacy::Pl011;
#[cfg(target_arch = "x86_64")]
#[cfg(any(target_arch = "x86_64", target_arch = "riscv64"))]
use devices::legacy::Serial;
use libc::EFD_NONBLOCK;
use serial_buffer::SerialBuffer;
@@ -108,7 +108,7 @@ impl From<u64> for EpollDispatch {
}
pub struct SerialManager {
#[cfg(target_arch = "x86_64")]
#[cfg(any(target_arch = "x86_64", target_arch = "riscv64"))]
serial: Arc<Mutex<Serial>>,
#[cfg(target_arch = "aarch64")]
serial: Arc<Mutex<Pl011>>,
@@ -122,7 +122,7 @@ pub struct SerialManager {
impl SerialManager {
pub fn new(
#[cfg(target_arch = "x86_64")] serial: Arc<Mutex<Serial>>,
#[cfg(any(target_arch = "x86_64", target_arch = "riscv64"))] serial: Arc<Mutex<Serial>>,
#[cfg(target_arch = "aarch64")] serial: Arc<Mutex<Pl011>>,
mut output: ConsoleOutput,
socket: Option<PathBuf>,
@@ -226,7 +226,7 @@ impl SerialManager {
// after the connection happened, and if that's the case it flushes
// all output from the serial to the PTY. Otherwise, it's a no-op.
fn trigger_pty_flush(
#[cfg(target_arch = "x86_64")] serial: &Arc<Mutex<Serial>>,
#[cfg(any(target_arch = "x86_64", target_arch = "riscv64"))] serial: &Arc<Mutex<Serial>>,
#[cfg(target_arch = "aarch64")] serial: &Arc<Mutex<Pl011>>,
pty_write_out: Option<&Arc<AtomicBool>>,
) -> Result<()> {