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accel/tcg: use units.h for defining code gen buffer sizes 

It's easier to read.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200228192415.19867-2-alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Alex Bennée 2020-02-28 19:24:12 +00:00 committed by Richard Henderson
parent fc1bfdfd0c
commit a2fa63a8f5
1 changed files with 10 additions and 9 deletions
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19
accel/tcg/translate-all.c
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@ -18,6 +18,7 @@
*/
#include "qemu/osdep.h"
#include "qemu/units.h"
#include "qemu-common.h"
#define NO_CPU_IO_DEFS
@ -901,33 +902,33 @@ static void page_lock_pair(PageDesc **ret_p1, tb_page_addr_t phys1,
/* Minimum size of the code gen buffer. This number is randomly chosen,
but not so small that we can't have a fair number of TB's live. */
#define MIN_CODE_GEN_BUFFER_SIZE (1024u * 1024)
#define MIN_CODE_GEN_BUFFER_SIZE (1 * MiB)
/* Maximum size of the code gen buffer we'd like to use. Unless otherwise
indicated, this is constrained by the range of direct branches on the
host cpu, as used by the TCG implementation of goto_tb. */
#if defined(__x86_64__)
# define MAX_CODE_GEN_BUFFER_SIZE (2ul * 1024 * 1024 * 1024)
# define MAX_CODE_GEN_BUFFER_SIZE (2 * GiB)
#elif defined(__sparc__)
# define MAX_CODE_GEN_BUFFER_SIZE (2ul * 1024 * 1024 * 1024)
# define MAX_CODE_GEN_BUFFER_SIZE (2 * GiB)
#elif defined(__powerpc64__)
# define MAX_CODE_GEN_BUFFER_SIZE (2ul * 1024 * 1024 * 1024)
# define MAX_CODE_GEN_BUFFER_SIZE (2 * GiB)
#elif defined(__powerpc__)
# define MAX_CODE_GEN_BUFFER_SIZE (32u * 1024 * 1024)
# define MAX_CODE_GEN_BUFFER_SIZE (32 * MiB)
#elif defined(__aarch64__)
# define MAX_CODE_GEN_BUFFER_SIZE (2ul * 1024 * 1024 * 1024)
# define MAX_CODE_GEN_BUFFER_SIZE (2 * GiB)
#elif defined(__s390x__)
/* We have a +- 4GB range on the branches; leave some slop. */
# define MAX_CODE_GEN_BUFFER_SIZE (3ul * 1024 * 1024 * 1024)
# define MAX_CODE_GEN_BUFFER_SIZE (3 * GiB)
#elif defined(__mips__)
/* We have a 256MB branch region, but leave room to make sure the
main executable is also within that region. */
# define MAX_CODE_GEN_BUFFER_SIZE (128ul * 1024 * 1024)
# define MAX_CODE_GEN_BUFFER_SIZE (128 * MiB)
#else
# define MAX_CODE_GEN_BUFFER_SIZE ((size_t)-1)
#endif
#define DEFAULT_CODE_GEN_BUFFER_SIZE_1 (32u * 1024 * 1024)
#define DEFAULT_CODE_GEN_BUFFER_SIZE_1 (32 * MiB)
#define DEFAULT_CODE_GEN_BUFFER_SIZE \
(DEFAULT_CODE_GEN_BUFFER_SIZE_1 < MAX_CODE_GEN_BUFFER_SIZE \