estshorter estshorter
estshorter
/ crypto-ext.c
Created
October 20, 2025 14:08
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| uint32_t read_id_isar5(void) { | |
| uint32_t value; | |
| asm volatile("mrc p15, 0, %0, c0, c2, 5" : "=r"(value)); | |
| return value; | |
| } | |
| void check_crypto_extension(void) { | |
| uint32_t id_isar5 = read_id_isar5(); | |
| uint32_t aes = (id_isar5 >> 4) & 0xF; |
estshorter
/ test-wolf.c
Last active
October 19, 2025 02:46
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| // clang -fomit-frame-pointer -target arm-linux-gnueabihf -march=armv8-a -mcpu=cortex-a53 -mfloat-abi=hard -marm | |
| // --sysroot=/usr/lib/arm-linux-gnueabihf test.c | |
| // のようにomit-frame-pointerを指定していても、オプション指定なし(O0）だと以下のように怒られる。 | |
| // test.c:12:9: warning: inline asm clobber list contains reserved registers: R11 [-Winline-asm] | |
| // 12 | "sub sp, sp, #0x200\n\t" | |
| // | ^ | |
| // test.c:12:9: note: Reserved registers on the clobber list may not be preserved across the asm statement, and clobbering them may lead to undefined behaviour. | |
| // 1 warning generated. | |
| // O1以上を指定すると出ない。 |
estshorter
/ userconf.c
Last active
October 11, 2025 14:31
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| #define DEBUG_WOLFSSL | |
| // | |
| #define HAVE_CURVE25519 | |
| #define WOLFSSL_SHA512 | |
| #define HAVE_ED25519 | |
| #define WOLFSSL_SP_MATH_ALL | |
| #include <windows.h> |
estshorter
/ init.el
Last active
September 18, 2025 22:45
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| (custom-set-variables | |
| ;; custom-set-variables was added by Custom. | |
| ;; If you edit it by hand, you could mess it up, so be careful. | |
| ;; Your init file should contain only one such instance. | |
| ;; If there is more than one, they won't work right. | |
| '(custom-enabled-themes '(wheatgrass))) | |
| (custom-set-faces | |
| ;; custom-set-faces was added by Custom. | |
| ;; If you edit it by hand, you could mess it up, so be careful. |
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| import numpy as np | |
| import my_ext | |
| a = np.arange(0, 8, dtype=np.uint8).reshape(4, 2) | |
| my_ext.inspect(a) | |
| print("--------\n") | |
| my_ext.prepare() | |
| b = my_ext.calc(a) |
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| import hashlib | |
| import itertools | |
| from colorsys import hls_to_rgb | |
| import numpy as np | |
| from PIL import Image, ImageShow | |
| INPUT = "1430311" | |
| PIXEL = 70 # 1ピクセルのサイズ |
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| // https://maguro.dev/debug-macro/ | |
| macro_rules! debug { | |
| ($($a:expr),* $(,)*) => { | |
| #[cfg(debug_assertions)] | |
| eprintln!(concat!($("| ", stringify!($a), "={:?} "),*, "|"), $(&$a),*); | |
| }; | |
| } | |
| // https://kuretchi.hateblo.jp/entry/rust_nested_vec | |
| macro_rules! nested_vec { |
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| // http://staryoshi.hatenablog.com/entry/2015/10/27/173925 | |
| #include <iostream> | |
| #include <memory> | |
| class Any { | |
| private: | |
| struct base { | |
| virtual std::type_info const& type() const { return typeid(nullptr); } | |
| virtual std::unique_ptr<base> clone() const { return nullptr; } | |
| }; |
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| /* | |
| Copyright 2020 Patrick Fruh | |
| This program is free software: you can redistribute it and/or modify | |
| it under the terms of the GNU General Public License as published by | |
| the Free Software Foundation, either version 2 of the License, or | |
| (at your option) any later version. | |
| This program is distributed in the hope that it will be useful, | |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| from functools import partial | |
| import matplotlib.pyplot as plt | |
| import numpy as np | |
| from scipy.integrate import solve_ivp | |
| def U(r): | |
| return 0.5 * r ** 3 |
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