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[PATCH v6 09/18] include/exec: Introduce TARGET_PAGE_ENTRY_EXTRA
From: |
Richard Henderson |
Subject: |
[PATCH v6 09/18] include/exec: Introduce TARGET_PAGE_ENTRY_EXTRA |
Date: |
Fri, 30 Sep 2022 14:26:13 -0700 |
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
- [PATCH v6 00/18] tcg: CPUTLBEntryFull and TARGET_TB_PCREL, Richard Henderson, 2022/09/30
- [PATCH v6 01/18] cpu: cache CPUClass in CPUState for hot code paths, Richard Henderson, 2022/09/30
- [PATCH v6 02/18] hw/core/cpu-sysemu: used cached class in cpu_asidx_from_attrs, Richard Henderson, 2022/09/30
- [PATCH v6 03/18] cputlb: used cached CPUClass in our hot-paths, Richard Henderson, 2022/09/30
- [PATCH v6 04/18] accel/tcg: Rename CPUIOTLBEntry to CPUTLBEntryFull, Richard Henderson, 2022/09/30
- [PATCH v6 05/18] accel/tcg: Drop addr member from SavedIOTLB, Richard Henderson, 2022/09/30
- [PATCH v6 06/18] accel/tcg: Suppress auto-invalidate in probe_access_internal, Richard Henderson, 2022/09/30
- [PATCH v6 07/18] accel/tcg: Introduce probe_access_full, Richard Henderson, 2022/09/30
- [PATCH v6 08/18] accel/tcg: Introduce tlb_set_page_full, Richard Henderson, 2022/09/30
- [PATCH v6 09/18] include/exec: Introduce TARGET_PAGE_ENTRY_EXTRA,
Richard Henderson <=
- [PATCH v6 10/18] accel/tcg: Remove PageDesc code_bitmap, Richard Henderson, 2022/09/30
- [PATCH v6 11/18] accel/tcg: Use bool for page_find_alloc, Richard Henderson, 2022/09/30
- [PATCH v6 13/18] accel/tcg: Do not align tb->page_addr[0], Richard Henderson, 2022/09/30
- [PATCH v6 12/18] accel/tcg: Use DisasContextBase in plugin_gen_tb_start, Richard Henderson, 2022/09/30
- [PATCH v6 14/18] accel/tcg: Inline tb_flush_jmp_cache, Richard Henderson, 2022/09/30
- [PATCH v6 15/18] include/hw/core: Create struct CPUJumpCache, Richard Henderson, 2022/09/30
- [PATCH v6 16/18] hw/core: Add CPUClass.get_pc, Richard Henderson, 2022/09/30
- [PATCH v6 18/18] accel/tcg: Introduce TARGET_TB_PCREL, Richard Henderson, 2022/09/30
- [PATCH v6 17/18] accel/tcg: Introduce tb_pc and log_pc, Richard Henderson, 2022/09/30