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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c.py (2030B)


      1# -*- coding: utf-8 -*-
      2
      3"""
      4trace/generated-tracers.c
      5"""
      6
      7__author__     = "Lluís Vilanova <vilanova@ac.upc.edu>"
      8__copyright__  = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>"
      9__license__    = "GPL version 2 or (at your option) any later version"
     10
     11__maintainer__ = "Stefan Hajnoczi"
     12__email__      = "stefanha@redhat.com"
     13
     14
     15from tracetool import out
     16
     17
     18def generate(events, backend, group):
     19    active_events = [e for e in events
     20                     if "disable" not in e.properties]
     21
     22    header = "trace-" + group + ".h"
     23
     24    out('/* This file is autogenerated by tracetool, do not edit. */',
     25        '',
     26        '#include "qemu/osdep.h"',
     27        '#include "qemu/module.h"',
     28        '#include "%s"' % header,
     29        '')
     30
     31    for e in events:
     32        out('uint16_t %s;' % e.api(e.QEMU_DSTATE))
     33
     34    for e in events:
     35        if "vcpu" in e.properties:
     36            vcpu_id = 0
     37        else:
     38            vcpu_id = "TRACE_VCPU_EVENT_NONE"
     39        out('TraceEvent %(event)s = {',
     40            '    .id = 0,',
     41            '    .vcpu_id = %(vcpu_id)s,',
     42            '    .name = \"%(name)s\",',
     43            '    .sstate = %(sstate)s,',
     44            '    .dstate = &%(dstate)s ',
     45            '};',
     46            event = e.api(e.QEMU_EVENT),
     47            vcpu_id = vcpu_id,
     48            name = e.name,
     49            sstate = "TRACE_%s_ENABLED" % e.name.upper(),
     50            dstate = e.api(e.QEMU_DSTATE))
     51
     52    out('TraceEvent *%(group)s_trace_events[] = {',
     53        group = group.lower())
     54
     55    for e in events:
     56        out('    &%(event)s,', event = e.api(e.QEMU_EVENT))
     57
     58    out('  NULL,',
     59        '};',
     60        '')
     61
     62    out('static void trace_%(group)s_register_events(void)',
     63        '{',
     64        '    trace_event_register_group(%(group)s_trace_events);',
     65        '}',
     66        'trace_init(trace_%(group)s_register_events)',
     67        group = group.lower())
     68
     69    backend.generate_begin(active_events, group)
     70    for event in active_events:
     71        backend.generate(event, group)
     72    backend.generate_end(active_events, group)