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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: stefanha@redhat.com,
=?UTF-8?q?Alex=20Benn=C3=A9e?= <alex.bennee@linaro.org>,
Peter Maydell <peter.maydell@linaro.org>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <f4bug@amsat.org>
Subject: [PULL 09/20] include/exec: Introduce TARGET_PAGE_ENTRY_EXTRA
Date: Tue, 4 Oct 2022 12:52:30 -0700
Message-Id: <20221004195241.46491-10-richard.henderson@linaro.org>
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Allow the target to cache items from the guest page tables.
Reviewed-by: Alex Benn=C3=A9e <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daud=C3=A9 <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 {
=20
/* @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;
=20
/*
--=20
2.34.1