===== > cat /proc/cpuinfo; for f in online offline present possible; do printf "%s=" "$f"; cat "/sys/devices/system/cpu/$f"; done; ls /proc/device-tree/cpus; for d in /proc/device-tree/cpus/cpu@*; do echo "$d"; printf "reg bytes: "; od -An -tx1 "$d/reg"; if test -f "$d/status"; then tr "\000" "\n" < "$d/status"; fi; done; if test -r /proc/config.gz; then zcat /proc/config.gz | grep -E "^(# )?CONFIG_(SMP|NR_CPUS|RISCV_SBI|RISCV_IPI|RISCV_TIMER|RISCV_INTC)"; fi; dmesg | grep -E "smp:|SMP:|Booting Linux on hart|CPU[0-9]|HART" =====
cat /proc/cpuinfo; for f in online offline present possible; do printf "%s=" "$f"; cat "/sys/devices/system/cpu/$f"; done; ls /proc/device-tree/cpus; for d in /proc/device-tree/cpus/cpu@*; do echo "$d"; printf "reg bytes: "; od -An -tx1 "$d/reg"; if test -f "$d/status"; then tr "\000" "\n" < "$d/status"; fi; done; if test -r /proc/config.gz; then zcat /proc/config.gz | grep -E "^(# )?CONFIG_(SMP|NR_CPUS|RISCV_SBI|RISCV_IPI|RISCV_TIMER|RISCV_INTC)"; fi; dmesg | grep -E "smp:|SMP:|Booting Linux on hart|CPU[0-9]|HART"
[?2004l
processor	: 0
hart		: 0
isa		: rv64imafdcv_zicbom_zicboz_zicntr_zicsr_zifencei_zihpm_zba_zbb_zbs_svpbmt
mmu		: sv39
uarch		: thead,c908
mvendorid	: 0x5b7
marchid		: 0x8000000009140d00
mimpid		: 0x50000

online=0
offline=
present=0
possible=0
'#address-cells'   cpu@0   l2-cache   name  '#size-cells'   timebase-frequency
/proc/device-tree/cpus/cpu@0
reg bytes:  00 00 00 00
CONFIG_RISCV_SBI=y
CONFIG_SMP=y
CONFIG_NR_CPUS=64
# CONFIG_RISCV_SBI_V01 is not set
CONFIG_RISCV_SBI_CPUIDLE=y
CONFIG_RISCV_TIMER=y
CONFIG_RISCV_INTC=y
[    0.015847] smp: Bringing up secondary CPUs ...
[    0.015888] smp: Brought up 1 node, 1 CPU
[?2004h

[]0;root@nixos: ~root@nixos:~]# 
[?2004l
[?2004h

[]0;root@nixos: ~root@nixos:~]#