cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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semicall.h (400B)

      1/*
      2 * Semihosting Tests - AArch64 helper
      3 *
      4 * Copyright (c) 2019
      5 * Written by Alex Bennée <alex.bennee@linaro.org>
      6 *
      7 * SPDX-License-Identifier: GPL-3.0-or-later
      8 */
      9
     10uintptr_t __semi_call(uintptr_t type, uintptr_t arg0)
     11{
     12    register uintptr_t t asm("x0") = type;
     13    register uintptr_t a0 asm("x1") = arg0;
     14    asm("hlt 0xf000"
     15        : "=r" (t)
     16        : "r" (t), "r" (a0));
     17    return t;
     18}