motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-07-31 14:23:53 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

cpu-exec: Add "nochain" debug flag

Browse source 
Respect it to avoid linking TBs together.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2015-09-16 15:33:53 -07:00
parent 137d63902f
commit 89a82cd4b6
3 changed files with 6 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

3
cpu-exec.c
View file

@ -477,7 +477,8 @@ int cpu_exec(CPUState *cpu)
/* see if we can patch the calling TB. When the TB
spans two pages, we cannot safely do a direct
jump. */
if (next_tb != 0 && tb->page_addr[1] == -1) {
if (next_tb != 0 && tb->page_addr[1] == -1
&& !qemu_loglevel_mask(CPU_LOG_TB_NOCHAIN)) {
tb_add_jump((TranslationBlock *)(next_tb & ~TB_EXIT_MASK),
next_tb & TB_EXIT_MASK, tb);
}