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-rw-r--r--accel/tcg/tb-internal.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/accel/tcg/tb-internal.h b/accel/tcg/tb-internal.h
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+++ b/accel/tcg/tb-internal.h
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+/*
+ * TranslationBlock internal declarations (target specific)
+ *
+ *  Copyright (c) 2003 Fabrice Bellard
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ */
+
+#ifndef ACCEL_TCG_TB_INTERNAL_TARGET_H
+#define ACCEL_TCG_TB_INTERNAL_TARGET_H
+
+#include "exec/cpu-all.h"
+#include "exec/exec-all.h"
+#include "exec/translation-block.h"
+
+#ifdef CONFIG_USER_ONLY
+#include "user/page-protection.h"
+/*
+ * For user-only, page_protect sets the page read-only.
+ * Since most execution is already on read-only pages, and we'd need to
+ * account for other TBs on the same page, defer undoing any page protection
+ * until we receive the write fault.
+ */
+static inline void tb_lock_page0(tb_page_addr_t p0)
+{
+    page_protect(p0);
+}
+
+static inline void tb_lock_page1(tb_page_addr_t p0, tb_page_addr_t p1)
+{
+    page_protect(p1);
+}
+
+static inline void tb_unlock_page1(tb_page_addr_t p0, tb_page_addr_t p1) { }
+static inline void tb_unlock_pages(TranslationBlock *tb) { }
+#else
+void tb_lock_page0(tb_page_addr_t);
+void tb_lock_page1(tb_page_addr_t, tb_page_addr_t);
+void tb_unlock_page1(tb_page_addr_t, tb_page_addr_t);
+void tb_unlock_pages(TranslationBlock *);
+#endif
+
+#ifdef CONFIG_SOFTMMU
+void tb_invalidate_phys_range_fast(ram_addr_t ram_addr,
+                                   unsigned size,
+                                   uintptr_t retaddr);
+#endif /* CONFIG_SOFTMMU */
+
+bool tb_invalidate_phys_page_unwind(tb_page_addr_t addr, uintptr_t pc);
+
+void tb_check_watchpoint(CPUState *cpu, uintptr_t retaddr);
+
+#endif