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include/exec: Introduce TARGET_PAGE_ENTRY_EXTRA

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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>
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Richard Henderson 2022-08-19 17:02:36 -07:00
parent 4047368938
commit 8c6953cf03
1 changed files with 9 additions and 0 deletions
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9
include/exec/cpu-defs.h
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@ -163,6 +163,15 @@ typedef struct CPUTLBEntryFull {
/* @lg_page_size contains the log2 of the page size. */ /* @lg_page_size contains the log2 of the page size. */
uint8_t lg_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; } CPUTLBEntryFull;
/* /*