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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console.h (1917B)

      1/*
      2 * Semihosting Console
      3 *
      4 * Copyright (c) 2019 Linaro Ltd
      5 *
      6 * SPDX-License-Identifier: GPL-2.0-or-later
      7 */
      8
      9#ifndef SEMIHOST_CONSOLE_H
     10#define SEMIHOST_CONSOLE_H
     11
     12#include "cpu.h"
     13
     14/**
     15 * qemu_semihosting_console_outs:
     16 * @env: CPUArchState
     17 * @s: host address of null terminated guest string
     18 *
     19 * Send a null terminated guest string to the debug console. This may
     20 * be the remote gdb session if a softmmu guest is currently being
     21 * debugged.
     22 *
     23 * Returns: number of bytes written.
     24 */
     25int qemu_semihosting_console_outs(CPUArchState *env, target_ulong s);
     26
     27/**
     28 * qemu_semihosting_console_outc:
     29 * @env: CPUArchState
     30 * @s: host address of null terminated guest string
     31 *
     32 * Send single character from guest memory to the debug console. This
     33 * may be the remote gdb session if a softmmu guest is currently being
     34 * debugged.
     35 *
     36 * Returns: nothing
     37 */
     38void qemu_semihosting_console_outc(CPUArchState *env, target_ulong c);
     39
     40/**
     41 * qemu_semihosting_console_inc:
     42 * @env: CPUArchState
     43 *
     44 * Receive single character from debug console. This may be the remote
     45 * gdb session if a softmmu guest is currently being debugged. As this
     46 * call may block if no data is available we suspend the CPU and will
     47 * re-execute the instruction when data is there. Therefore two
     48 * conditions must be met:
     49 *   - CPUState is synchronized before calling this function
     50 *   - pc is only updated once the character is successfully returned
     51 *
     52 * Returns: character read OR cpu_loop_exit!
     53 */
     54target_ulong qemu_semihosting_console_inc(CPUArchState *env);
     55
     56/**
     57 * qemu_semihosting_log_out:
     58 * @s: pointer to string
     59 * @len: length of string
     60 *
     61 * Send a string to the debug output. Unlike console_out these strings
     62 * can't be sent to a remote gdb instance as they don't exist in guest
     63 * memory.
     64 *
     65 * Returns: number of bytes written
     66 */
     67int qemu_semihosting_log_out(const char *s, int len);
     68
     69#endif /* SEMIHOST_CONSOLE_H */