Setup project skeleton

5 files changed, 155 insertions, 0 deletions

diff --git a/src/page/private_include/page/mem.h b/src/page/private_include/page/mem.h
new file mode 100644
index 0000000..abb2c6d
--- /dev/null
+++ b/src/page/private_include/page/mem.h
@@ -0,0 +1,27 @@
+/*
+ * wnix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef PAGE_MEM_H
+#define PAGE_MEM_H
+
+#include <page/types.h>
+#include <stddef.h>
+
+struct page *page_mem_alloc(unsigned long addr);
+
+#endif
diff --git a/src/page/private_include/page/mem/ops.h b/src/page/private_include/page/mem/ops.h
new file mode 100644
index 0000000..5e50256
--- /dev/null
+++ b/src/page/private_include/page/mem/ops.h
@@ -0,0 +1,30 @@
+/*
+ * wnix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef PAGE_MEM_OPS_H
+#define PAGE_MEM_OPS_H
+
+#include <page/types.h>
+
+int page_mem_read(struct page *p, void *buf, size_t n, unsigned long addr);
+int page_mem_write(struct page *p, const void *buf, size_t n, unsigned long addr);
+void page_mem_free(struct page *p);
+
+extern const struct page_ops page_mem_ops;
+
+#endif
diff --git a/src/page/private_include/page/mem/types.h b/src/page/private_include/page/mem/types.h
new file mode 100644
index 0000000..fe0fc74
--- /dev/null
+++ b/src/page/private_include/page/mem/types.h
@@ -0,0 +1,27 @@
+/*
+ * wnix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef PAGE_MEM_TYPES_H
+#define PAGE_MEM_TYPES_H
+
+struct page_prv
+{
+    char buf[256];
+};
+
+#endif
diff --git a/src/page/private_include/page/routines.h b/src/page/private_include/page/routines.h
new file mode 100644
index 0000000..359ca6b
--- /dev/null
+++ b/src/page/private_include/page/routines.h
@@ -0,0 +1,29 @@
+/*
+ * wnix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef PAGE_ROUTINES_H
+#define PAGE_ROUTINES_H
+
+#include <page.h>
+
+void page_free(struct page *p);
+struct page *page_from_addr(struct page *head, unsigned long addr);
+int page_add(struct page *p, unsigned long addr,
+    struct page *(*alloc)(unsigned long));
+
+#endif
diff --git a/src/page/private_include/page/types.h b/src/page/private_include/page/types.h
new file mode 100644
index 0000000..ae1ff99
--- /dev/null
+++ b/src/page/private_include/page/types.h
@@ -0,0 +1,42 @@
+/*
+ * wnix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef PAGE_TYPES_H
+#define PAGE_TYPES_H
+
+#include <stddef.h>
+
+struct page;
+
+struct page_ops
+{
+    int (*read)(struct page *p, void *buf, size_t n, unsigned long addr);
+    int (*write)(struct page *p, const void *buf, size_t n, unsigned long addr);
+    void (*free)(struct page *p);
+};
+
+struct page
+{
+    const struct page_ops *ops;
+    unsigned long addr;
+    size_t sz;
+    struct page_prv *prv;
+    struct page *prev, *next;
+};
+
+#endif