1 files changed, 47 insertions, 0 deletions
diff --git a/arch/riscv/include/pages.h b/arch/riscv/include/pages.h
new file mode 100644
index 0000000..4ae2ab9
--- /dev/null
+++ b/arch/riscv/include/pages.h
@@ -0,0 +1,47 @@
+#ifndef APOS_RISCV_PAGES_H
+#define APOS_RISCV_PAGES_H
+
+typedef char pagemask_t;
+typedef char lockbit_t;
+
+struct kilopages {
+	pagemask_t page[64];
+};
+
+struct megapages {
+	lockbit_t lockbit[64];
+	pagemask_t empty[64];
+	pagemask_t full[64];
+	struct kilopages kilo[512];
+};
+
+/* Sv39 */
+struct gigapages {
+	lockbit_t lockbit[64];
+	pagemask_t empty[64];
+	pagemask_t full[64];
+	struct megapages mega[512];
+};
+
+struct terapages {
+	lockbit_t lockbit[64];
+	pagemask_t empty[64];
+	pagemask_t full[64];
+	struct gigapages giga[512];
+};
+
+struct mm_pagearr_info {
+	short tera_num;
+	struct terapages *tera_top;
+
+	short giga_num;
+	struct gigapages *giga_top;
+
+	short mega_num;
+	struct megapages *mega_top;
+
+	short kilo_num;
+	struct kilopages *kilo_top;
+};
+
+#endif /* APOS_RISCV_PAGES_H */