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Hack the planet!

Daniel Maslowski orangecms

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Hack the planet!
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@orangecms
orangecms / _vnopn-thin-client.md
Last active April 25, 2022 00:52
vnopn / Thin Client
@orangecms
orangecms / abstract.md
Last active March 28, 2022 18:51
Speedy Distro Porting via the cpu Command

Speedy Distro Porting via the cpu Command

Last year, I ported oreboot to the Allwinner D1 SoC that is found on the Nezha SBC and many other boards now. For a boot loader environment, I chose to embed LinuxBoot, and then partitioned an SD card with two root filesystems for testing: OpenWrt, which is small and just ran right away, and openSUSE, which required some extra effort. I was happy to see a new D1 board advertised with openSUSE support, though the process of getting there was tedious enough that I wanted to find an

@orangecms
orangecms / rvdis
Created April 17, 2022 00:15
disassamble a few stupid single RISC-V instructions from 0x12345678 whatever
#!/bin/sh
_TMP=`mktemp`
echo -n $(rax2 -s "$1") > $_TMP
riscv64-linux-gnu-objdump -m riscv -b binary -D $_TMP | tail -n 5
rm $_TMP
@orangecms
orangecms / useful.md
Created April 30, 2022 02:10
JavaScript for hardware shenanigans

Print register mask, little endian

(0xff0fffff).toString(2).split('').forEach((e,i) => console.info(`${31-i}:${e}`));
@orangecms
orangecms / lichee-rv-pro-stock-boot.log
Created July 3, 2022 13:46
log of a stock firmware image booting on the Sipeed Lichee RV Dock Pro
[34]HELLO! BOOT0 is starting![Sep 18 2021, 11:27:51]
[39]BOOT0 commit : 3b45046
[42]set pll start
[44]periph0 has been enabled
[47]set pll end
[48][pmu]: bus read error
[50]board init ok
[52]enable_jtag
[54]DRAM only have internal ZQ!!
[57]get_pmu_exist() = -1
@orangecms
orangecms / dongshanpi-nezha-stu-stock-firmware-boot.log
Created July 3, 2022 15:58
DongshanPi Nezha STU stock firmware boot log (NAND flash)
[52]HELLO! BOOT0 is starting!
[55]BOOT0 commit : 9d92598
[58]set pll start
[60]periph0 has been enabled
[62]set pll end
[64][pmu]: bus read error
[66]board init ok
[68]DRAM only have internal ZQ!!
[71]get_pmu_exist() = -1
[73]DRAM BOOT DRIVE INFO: V0.32
@orangecms
orangecms / minilb.config
Created July 18, 2022 08:22
LinuxBoot mini config as a starting point
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE="xinitcpud.cpio.xz"
# CONFIG_PERF_EVENTS_AMD_UNCORE is not set
CONFIG_EFI=y
CONFIG_KEXEC=y
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="noefi ip=dhcp earlyprintk=ttyS0,115200,keep console=ttyS0,115200"
CONFIG_CMDLINE_OVERRIDE=y
# CONFIG_ACPI_PRMT is not set
CONFIG_NET=y
@orangecms
orangecms / notes.md
Last active August 28, 2022 15:37
kexec FreeBSD (RISC-V)

Loading a Linux ELF

$ cpu-mqpro.sh /bbin/kexec -d ./vmlinux
...
1970/01/02 00:03:48 Kernel: /tmp/kexec-image2840883519
1970/01/02 00:03:48 Command line:
2022/08/25 23:30:57 Wait: wait: remote command exited without exit status or exit signal
@orangecms
orangecms / dts-preprocess.sh
Last active September 28, 2023 07:26
Preprocess DTS includes and flatten the tree
#!/bin/sh
# https://stackoverflow.com/a/50658776
_INC="-I include -I arch/riscv/include"
_TMP=/tmp/resolved.dts
_OUT=/tmp/recompiled.dts
cpp -nostdinc $_INC -undef -x assembler-with-cpp "$1" $_TMP
# sed -i '/^#.*/d' $_TMP
@orangecms
orangecms / uefi-pi-rs.error.log
Created September 30, 2022 08:55
first time I get a Rust compiler error
warning: `pe-loader` (lib) generated 1 warning
Compiling rust-firmware-layout v0.1.0 (/home/dama/Projects/Fiedka/uefi-pi-rs/rust-firmware-layout)
thread 'rustc' panicked at 'failed to lookup `SourceFile` in new context', compiler/rustc_query_impl/src/on_disk_cache.rs:514:22
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
error: internal compiler error: unexpected panic
note: the compiler unexpectedly panicked. this is a bug.
note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md