[PULL 09/20] include/exec: Introduce TARGET_PAGE_ENTRY_EXTRA

Richard Henderson posted 20 patches 2 years, 6 months ago
Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Yanan Wang <wangyanan55@huawei.com>, Laurent Vivier <laurent@vivier.eu>, "Alex Bennée" <alex.bennee@linaro.org>, Alexandre Iooss <erdnaxe@crans.org>, Mahmoud Mandour <ma.mandourr@gmail.com>, Peter Maydell <peter.maydell@linaro.org>, Michael Rolnik <mrolnik@gmail.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Taylor Simpson <tsimpson@quicinc.com>, Song Gao <gaosong@loongson.cn>, Xiaojuan Yang <yangxiaojuan@loongson.cn>, 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>, "Cédric Le Goater" <clg@kaod.org>, Daniel Henrique Barboza <danielhb413@gmail.com>, David Gibson <david@gibson.dropbear.id.au>, Greg Kurz <groug@kaod.org>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Bin Meng <bin.meng@windriver.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, David Hildenbrand <david@redhat.com>, Cornelia Huck <cohuck@redhat.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>, Stefan Hajnoczi <stefanha@redhat.com>
There is a newer version of this series
[PULL 09/20] include/exec: Introduce TARGET_PAGE_ENTRY_EXTRA
Posted by Richard Henderson 2 years, 6 months ago
Allow the target to cache items from the guest page tables.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/exec/cpu-defs.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h
index 5e12cc1854..67239b4e5e 100644
--- a/include/exec/cpu-defs.h
+++ b/include/exec/cpu-defs.h
@@ -163,6 +163,15 @@ typedef struct CPUTLBEntryFull {
 
     /* @lg_page_size contains the log2 of the page size. */
     uint8_t lg_page_size;
+
+    /*
+     * Allow target-specific additions to this structure.
+     * This may be used to cache items from the guest cpu
+     * page tables for later use by the implementation.
+     */
+#ifdef TARGET_PAGE_ENTRY_EXTRA
+    TARGET_PAGE_ENTRY_EXTRA
+#endif
 } CPUTLBEntryFull;
 
 /*
-- 
2.34.1