RISC-V Ready

gistfile1.txt

QEMU RISCV64

Ubuntu 24.10 localhost ttyS0

localhost login: cyril

## you should already have git and the kernel headers
sudo apt install make gcc

mkdir ~/src && cd ~/src
git clone -b riscv64 https://github.com/cyring/CoreFreq.git
cd CoreFreq 
make -j

OpenSBI

git clone linux.git
git clone opensbi.git

cd linux
make -j8 ARCH=riscv CROSS_COMPILE=riscv64-unknown-linux-gnu- Image

cd opensbi
CROSS_COMPILE=riscv64-unknown-linux-gnu- make PLATFORM=generic FW_PAYLOAD_PATH=../linux/arch/riscv/boot/Image

qemu-system-riscv64 -M virt -m 256M -nographic -bios build/platform/generic/firmware/fw_payload.elf

OpenSBI v0.8-85-g0d49c3b
   ____                    _____ ____ _____
  / __ \                  / ____|  _ \_   _|
 | |  | |_ __   ___ _ __ | (___ | |_) || |
 | |  | | '_ \ / _ \ '_ \ \___ \|  _ < | |
 | |__| | |_) |  __/ | | |____) | |_) || |_
  \____/| .__/ \___|_| |_|_____/|____/_____|
        | |
        |_|

Platform Name             : riscv-virtio,qemu
Platform Features         : timer,mfdeleg
Platform HART Count       : 2
Firmware Base             : 0x80000000
Firmware Size             : 124 KB
Runtime SBI Version       : 0.2
...
[    0.000000] Linux version 6.3.0-rc3-00021-ga1effab7a3a3 ([email protected]) (riscv64-unknown-linux-gnu-gcc (g5964b5cd727) 11.1.0, GNU ld (GNU Binutils) 2.38) #1 SMP Thu Mar  6 15:02:11 CET 2025
[    0.000000] OF: fdt: Ignoring memory range 0x80000000 - 0x80200000
[    0.000000] Machine model: riscv-virtio,qemu
[    0.000000] efi: UEFI not found.
[    0.000000] OF: reserved mem: 0x0000000080000000..0x000000008001ffff (128 KiB) map non-reusable mmode_resv0@80000000
[    0.000000] Zone ranges:
[    0.000000]   DMA32    [mem 0x0000000080200000-0x000000008fffffff]
[    0.000000]   Normal   empty
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000080200000-0x000000008fffffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000080200000-0x000000008fffffff]
[    0.000000] On node 0, zone DMA32: 512 pages in unavailable ranges
[    0.000000] SBI specification v0.2 detected
[    0.000000] SBI implementation ID=0x1 Version=0x8
[    0.000000] SBI TIME extension detected
[    0.000000] SBI IPI extension detected
[    0.000000] SBI RFENCE extension detected
[    0.000000] SBI HSM extension detected
[    0.000000] riscv: base ISA extensions acdfim
[    0.000000] riscv: ELF capabilities acdfim
[    0.000000] percpu: Embedded 19 pages/cpu s39992 r8192 d29640 u77824
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 64008
...