first commit for chrg

2025-08-16 22:58:22 +08:00
commit 52a3ed5862
2306 changed files with 1021208 additions and 0 deletions
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+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author         Notes
+ * 2024-07-04     rcitach        init ver.
+ */
+
+#ifndef _VDSO_H
+#define _VDSO_H
+
+#include <lwp.h>
+#include <mmu.h>
+#include <vdso_config.h>
+#include <vdso_datapage.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern char __vdso_text_start[];
+extern char __vdso_text_end[];
+
+#define ELF_HEAD "\177ELF"
+#define ELF_HEAD_LEN 4
+#define MAX_PAGES 5
+
+#define __page_aligned_data	__attribute__((section(".data.vdso.datapage"))) __attribute__((aligned(VDSO_PAGE_SIZE)))
+
+int arch_setup_additional_pages(struct rt_lwp *lwp);
+void rt_vdso_update_glob_time(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _VDSO_H */