maquefel

[ 0.000000] Linux version 5.16.0-11358-gfa2e1ba3e9e3 (maquefel@redslave) (riscv64-unknown-linux-gnu-gcc (GCC) 11.1.0, GNU ld (GNU Binutils) 2.37) #6 SMP Wed Jan 26 10:26:51 MSK 2022 [ 0.000000] OF: fdt: Ignoring memory range 0x80000000 - 0x80200000 [ 0.000000] Machine model: SiFive HiFive Unmatched A00 [ 0.000000] earlycon: sifive0 at MMIO 0x0000000010010000 (options '') [ 0.000000] printk: bootconsole [sifive0] enabled [ 0.000000] efi: UEFI not found. [ 0.000000] Zone ranges: [ 0.000000] DMA32 [mem 0x0000000080200000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000047fffffff] [ 0.000000] Movable zone start for each node

maquefel

From 7bc59a1da11d7b7c2f1f9669ac773e2d11230f12 Mon Sep 17 00:00:00 2001
From: Nikita Shubin <n.shubin@yadro.com>
Date: Wed, 21 Jul 2021 04:46:40 +0000
Subject: [PATCH] board: sifive: spl: boot from ram

---
 board/sifive/hifive_unmatched_fu740/spl.c     |  2 +
 .../sifive_hifive_unmatched_fu740_defconfig   | 38 +++++++------------
 2 files changed, 15 insertions(+), 25 deletions(-)

maquefel

Continuous podman cheat sheet

Cross-build container image.

podman image import <new_name>

$ podman image import small-rootfs-for-build.tar.xz container-small-x86_64

$ podman images

maquefel

// SPDX-License-Identifier: MIT
/*
Copyright (c) 2019 Nikita Shubin <me@maquefel.me>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

maquefel

MIT License

Copyright (c) 2018 Oleg Yamnikov

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

maquefel

#ifndef __LIST_H
#define __LIST_H
/* This file is from Linux Kernel (include/linux/list.h)
 * and modified by simply removing hardware prefetching of list items.
 * Here by copyright, credits attributed to wherever they belong.
 * Kulesh Shanmugasundaram (kulesh [squiggly] isis.poly.edu)
 */
/*
 * Simple doubly linked list implementation.
 *

maquefel

!/bin/bash

# QEMU name and PID
OPTS="-name windows-10-pro"
OPTS="$OPTS -pidfile /tmp/windows-10-pro.pid"


# Processor
OPTS="$OPTS -cpu host,kvm=off"
OPTS="$OPTS -smp 8,sockets=1,cores=4,threads=2"

maquefel

# Installing
qemu-system-x86_64 -bios /usr/share/ovmf/ovmf_x64.bin -enable-kvm -cpu host -smp 4 -m 2048 -cdrom ~/Downloads/Win10_English_x64.iso -net nic,model=virtio -net user -drive file=~/vm/win10.hd.img.raw,format=raw,if=virtio -vga qxl -drive file=~/Downloads/virtio-win-0.1.105.iso,index=1,media=cdrom

# Running
qemu-system-x86_64 -bios /usr/share/ovmf/ovmf_x64.bin -enable-kvm -cpu host -smp 4 -m 4096 -net nic,model=virtio -net user -drive file=~/vm/win10.hd.img.raw,format=raw,if=virtio -vga qxl -usbdevice tablet -rtc base=utc

maquefel

#define _GNU_SOURCE

#include <stdlib.h>
#include <stdio.h>

#include <stdint.h>
#include <stddef.h>


struct inner {

maquefel

static inline int printbinary(char *buf, unsigned long x, int nbits)
{
    unsigned long mask = 1UL << (nbits - 1);
    while (mask != 0) {
        *buf++ = (mask & x ? '1' : '0');
        mask >>= 1;
    }
    *buf = '\0';
    
    return nbits;