On 5/9/22 22:22, Richard Henderson wrote:
Allow the target to cache items from the guest page tables.
Signed-off-by: Richard Henderson <richard.hender...@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;
Alternatively declare a per-target structure in cpu-param.h
and here:
typedef struct CPUTLBEntryTarget CPUTLBEntryTarget;
#ifndef TARGET_HAS_PAGE_ENTRY_EXTRA_STRUCT
struct CPUTLBEntryTarget { }
#endif
typedef struct CPUTLBEntryFull {
...
CPUTLBEntryTarget target_extra;
} CPUTLBEntryFull;
Meanwhile:
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
