Jianyong Wu 6dbc13627a devices: Emulate debug I/O based on pl011 ... To emulate debug I/O port on arm64, we need trap from guest to VMM. Generally, there are 3 ways to go: 1) execute a privilege intruction like "wfi"; 2) access a system register; 3) access device MMIO region; However, 1) and 2) often handled in kvm, thus 3) it's the choice. There maybe lots of repeated work and enlarge the size of clh to develop a new device, so it's better to reuse the current device. Luckily, I find that pl011 is the eariest device initialized in kernel and, there is reserved region in it which we can reuse for emulating debug I/O. Signed-off-by: Jianyong Wu <jianyong.wu@arm.com>		2022-03-23 18:25:48 +08:00
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cmos.rs	devices: legacy: cmos: Fix register D emulation	2021-11-30 09:08:44 -08:00
fwdebug.rs	misc: Make Bus::write() return an Option<Arc<Barrier>>	2020-12-17 11:23:53 +00:00
gpio_pl061.rs	clippy: Fix redundant allocations	2021-07-29 13:28:57 +02:00
i8042.rs	devices, vmm: Upgrade exit reasons to info!() level debugging	2021-09-03 09:30:55 -07:00
mod.rs	aarch64: Address Rust 1.51.0 clippy issue (upper_case_acroynms)	2021-03-26 11:32:09 +00:00
rtc_pl031.rs	devices: legacy: Fix beta clippy issues	2022-01-14 14:33:18 +00:00
serial.rs	devices: Add utility functions for the serial output buffer	2021-09-27 14:18:21 +01:00
uart_pl011.rs	devices: Emulate debug I/O based on pl011	2022-03-23 18:25:48 +08:00