[v2] Introduce MMU_INDEX()

[PATCH v2 01/23] cpu-defs.h; Add MMU_INDEX() helper

Helge Deller posted 23 patches 2 years, 6 months ago

Diff against v1
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Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Michael Rolnik <mrolnik@gmail.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Brian Cain <bcain@quicinc.com>, Song Gao <gaosong@loongson.cn>, Xiaojuan Yang <yangxiaojuan@loongson.cn>, Laurent Vivier <laurent@vivier.eu>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Aurelien Jarno <aurelien@aurel32.net>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Chris Wulff <crwulff@gmail.com>, Marek Vasut <marex@denx.de>, Stafford Horne <shorne@gmail.com>, Daniel Henrique Barboza <danielhb413@gmail.com>, "Cédric Le Goater" <clg@kaod.org>, David Gibson <david@gibson.dropbear.id.au>, Greg Kurz <groug@kaod.org>, Nicholas Piggin <npiggin@gmail.com>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Bin Meng <bin.meng@windriver.com>, Weiwei Li <liweiwei@iscas.ac.cn>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Max Filippov <jcmvbkbc@gmail.com>

Add a MMU_INDEX() helper to specify which MMU entry to use. Currently this is just an 1:1 mapper, but in a follow-up patch it will enable us to generate smaller (and maybe faster) tcg code. Signed-off-by: Helge Deller <deller@gmx.de> --- include/exec/cpu-defs.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h index fb4c8d480f..07bcdd38b2 100644 --- a/include/exec/cpu-defs.h +++ b/include/exec/cpu-defs.h @@ -60,6 +60,11 @@ */ #define NB_MMU_MODES 16 +/* + * MMU_INDEX() helper to specify MMU index. + */ +#define MMU_INDEX(n) (n) + #if defined(CONFIG_SOFTMMU) && defined(CONFIG_TCG) #include "exec/tlb-common.h" -- 2.41.0