Commit abd1fb0e authored by Alex Bennée's avatar Alex Bennée Committed by Peter Maydell
Browse files

target/arm/translate.h: expand comment on DISAS_EXIT 



We already have an exit condition, DISAS_UPDATE which will exit the
run-loop. Expand on the difference with DISAS_EXIT in the comments.

Signed-off-by: default avatarAlex Bennée <alex.bennee@linaro.org>
Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Message-id: 20170713141928.25419-4-alex.bennee@linaro.org
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent e8d52302

target/arm/translate.h

+4 −1
Original line number Diff line number Diff line
@@ -140,7 +140,10 @@ static void disas_set_insn_syndrome(DisasContext *s, uint32_t syn) 
 */

#define DISAS_BX_EXCRET 11

/* For instructions which want an immediate exit to the main loop,

 * as opposed to attempting to use lookup_and_goto_ptr.

 * as opposed to attempting to use lookup_and_goto_ptr. Unlike

 * DISAS_UPDATE this doesn't write the PC on exiting the translation

 * loop so you need to ensure something (gen_a64_set_pc_im or runtime

 * helper) has done so before we reach return from cpu_tb_exec.

 */

#define DISAS_EXIT 12