1 files changed, 55 insertions, 0 deletions
diff --git a/accel/tcg/tb-internal.h b/accel/tcg/tb-internal.h
new file mode 100644
index 0000000..40439f0
--- /dev/null
+++ b/accel/tcg/tb-internal.h
@@ -0,0 +1,55 @@
+/*
+ * 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/translation-block.h"
+
+/*
+ * The true return address will often point to a host insn that is part of
+ * the next translated guest insn.  Adjust the address backward to point to
+ * the middle of the call insn.  Subtracting one would do the job except for
+ * several compressed mode architectures (arm, mips) which set the low bit
+ * to indicate the compressed mode; subtracting two works around that.  It
+ * is also the case that there are no host isas that contain a call insn
+ * smaller than 4 bytes, so we don't worry about special-casing this.
+ */
+#define GETPC_ADJ   2
+
+void tb_lock_page0(tb_page_addr_t);
+
+#ifdef CONFIG_USER_ONLY
+/*
+ * 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_page1(tb_page_addr_t p0, tb_page_addr_t p1)
+{
+    tb_lock_page0(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_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(CPUState *cpu, ram_addr_t ram_addr,
+                                   unsigned size, uintptr_t retaddr);
+#endif /* CONFIG_SOFTMMU */
+
+bool tb_invalidate_phys_page_unwind(CPUState *cpu, tb_page_addr_t addr,
+                                    uintptr_t pc);
+
+#endif