dcdaadb6ea
The event is described in "trace-events". Note that the "MO_AMASK" flag is not traced, since it does not seem to affect the visible semantics of instructions. [s/inline inline/inline/ to fix clang build. --Stefan] Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 146549350711.18437.726780393247474362.stgit@fimbulvetr.bsc.es Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
47 lines
1.0 KiB
C
47 lines
1.0 KiB
C
/*
|
|
* Helper functions for guest memory tracing
|
|
*
|
|
* Copyright (C) 2016 Lluís Vilanova <vilanova@ac.upc.edu>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*/
|
|
|
|
#ifndef TRACE__MEM_INTERNAL_H
|
|
#define TRACE__MEM_INTERNAL_H
|
|
|
|
static inline uint8_t trace_mem_get_info(TCGMemOp op, bool store)
|
|
{
|
|
uint8_t res = op;
|
|
bool be = (op & MO_BSWAP) == MO_BE;
|
|
|
|
/* remove untraced fields */
|
|
res &= (1ULL << 4) - 1;
|
|
/* make endianness absolute */
|
|
res &= ~MO_BSWAP;
|
|
if (be) {
|
|
res |= 1ULL << 3;
|
|
}
|
|
/* add fields */
|
|
if (store) {
|
|
res |= 1ULL << 4;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static inline uint8_t trace_mem_build_info(
|
|
TCGMemOp size, bool sign_extend, TCGMemOp endianness, bool store)
|
|
{
|
|
uint8_t res = 0;
|
|
res |= size;
|
|
res |= (sign_extend << 2);
|
|
if (endianness == MO_BE) {
|
|
res |= (1ULL << 3);
|
|
}
|
|
res |= (store << 4);
|
|
return res;
|
|
}
|
|
|
|
#endif /* TRACE__MEM_INTERNAL_H */
|