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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log.h (1969B)


      1#ifndef QEMU_EXEC_LOG_H
      2#define QEMU_EXEC_LOG_H
      3
      4#include "qemu/log.h"
      5#include "hw/core/cpu.h"
      6#include "disas/disas.h"
      7
      8/* cpu_dump_state() logging functions: */
      9/**
     10 * log_cpu_state:
     11 * @cpu: The CPU whose state is to be logged.
     12 * @flags: Flags what to log.
     13 *
     14 * Logs the output of cpu_dump_state().
     15 */
     16static inline void log_cpu_state(CPUState *cpu, int flags)
     17{
     18    QemuLogFile *logfile;
     19
     20    if (qemu_log_enabled()) {
     21        rcu_read_lock();
     22        logfile = qatomic_rcu_read(&qemu_logfile);
     23        if (logfile) {
     24            cpu_dump_state(cpu, logfile->fd, flags);
     25        }
     26        rcu_read_unlock();
     27    }
     28}
     29
     30/**
     31 * log_cpu_state_mask:
     32 * @mask: Mask when to log.
     33 * @cpu: The CPU whose state is to be logged.
     34 * @flags: Flags what to log.
     35 *
     36 * Logs the output of cpu_dump_state() if loglevel includes @mask.
     37 */
     38static inline void log_cpu_state_mask(int mask, CPUState *cpu, int flags)
     39{
     40    if (qemu_loglevel & mask) {
     41        log_cpu_state(cpu, flags);
     42    }
     43}
     44
     45#ifdef NEED_CPU_H
     46/* disas() and target_disas() to qemu_logfile: */
     47static inline void log_target_disas(CPUState *cpu, target_ulong start,
     48                                    target_ulong len)
     49{
     50    QemuLogFile *logfile;
     51    rcu_read_lock();
     52    logfile = qatomic_rcu_read(&qemu_logfile);
     53    if (logfile) {
     54        target_disas(logfile->fd, cpu, start, len);
     55    }
     56    rcu_read_unlock();
     57}
     58
     59static inline void log_disas(const void *code, unsigned long size)
     60{
     61    QemuLogFile *logfile;
     62    rcu_read_lock();
     63    logfile = qatomic_rcu_read(&qemu_logfile);
     64    if (logfile) {
     65        disas(logfile->fd, code, size);
     66    }
     67    rcu_read_unlock();
     68}
     69
     70#if defined(CONFIG_USER_ONLY)
     71/* page_dump() output to the log file: */
     72static inline void log_page_dump(const char *operation)
     73{
     74    FILE *logfile = qemu_log_lock();
     75    if (logfile) {
     76        qemu_log("page layout changed following %s\n", operation);
     77        page_dump(logfile);
     78    }
     79    qemu_log_unlock(logfile);
     80}
     81#endif
     82#endif
     83
     84#endif