[root@amd-nixos:~]# ./qemu-aarch64/bin/qemu-kvm -machine help
qemu: Unsupported syscall: 278
Supported machines are:
akita                Sharp SL-C1000 (Akita) PDA (PXA270)
ast2500-evb          Aspeed AST2500 EVB (ARM1176)
borzoi               Sharp SL-C3100 (Borzoi) PDA (PXA270)
canon-a1100          Canon PowerShot A1100 IS
cheetah              Palm Tungsten|E aka. Cheetah PDA (OMAP310)
collie               Sharp SL-5500 (Collie) PDA (SA-1110)
connex               Gumstix Connex (PXA255)
cubieboard           cubietech cubieboard
highbank             Calxeda Highbank (ECX-1000)
imx25-pdk            ARM i.MX25 PDK board (ARM926)
integratorcp         ARM Integrator/CP (ARM926EJ-S)
kzm                  ARM KZM Emulation Baseboard (ARM1136)
lm3s6965evb          Stellaris LM3S6965EVB
lm3s811evb           Stellaris LM3S811EVB
mainstone            Mainstone II (PXA27x)
midway               Calxeda Midway (ECX-2000)
musicpal             Marvell 88w8618 / MusicPal (ARM926EJ-S)
n800                 Nokia N800 tablet aka. RX-34 (OMAP2420)
n810                 Nokia N810 tablet aka. RX-44 (OMAP2420)
netduino2            Netduino 2 Machine
none                 empty machine
nuri                 Samsung NURI board (Exynos4210)
palmetto-bmc         OpenPOWER Palmetto BMC (ARM926EJ-S)
raspi2               Raspberry Pi 2
realview-eb          ARM RealView Emulation Baseboard (ARM926EJ-S)
realview-eb-mpcore   ARM RealView Emulation Baseboard (ARM11MPCore)
realview-pb-a8       ARM RealView Platform Baseboard for Cortex-A8
realview-pbx-a9      ARM RealView Platform Baseboard Explore for Cortex-A9
sabrelite            Freescale i.MX6 Quad SABRE Lite Board (Cortex A9)
smdkc210             Samsung SMDKC210 board (Exynos4210)
spitz                Sharp SL-C3000 (Spitz) PDA (PXA270)
sx1                  Siemens SX1 (OMAP310) V2
sx1-v1               Siemens SX1 (OMAP310) V1
terrier              Sharp SL-C3200 (Terrier) PDA (PXA270)
tosa                 Sharp SL-6000 (Tosa) PDA (PXA255)
verdex               Gumstix Verdex (PXA270)
versatileab          ARM Versatile/AB (ARM926EJ-S)
versatilepb          ARM Versatile/PB (ARM926EJ-S)
vexpress-a15         ARM Versatile Express for Cortex-A15
vexpress-a9          ARM Versatile Express for Cortex-A9
virt-2.6             QEMU 2.6 ARM Virtual Machine
virt-2.7             QEMU 2.7 ARM Virtual Machine
virt                 QEMU 2.8 ARM Virtual Machine (alias of virt-2.8)
virt-2.8             QEMU 2.8 ARM Virtual Machine
xilinx-zynq-a9       Xilinx Zynq Platform Baseboard for Cortex-A9
xlnx-ep108           Xilinx ZynqMP EP108 board
xlnx-zcu102          Xilinx ZynqMP ZCU102 board
z2                   Zipit Z2 (PXA27x)