libmango: add userspace syscall call-gates

2026-02-19 19:22:06 +00:00
parent 1d4fd4f586
commit 9a90662eaa
9 changed files with 319 additions and 0 deletions
@@ -0,0 +1,79 @@
+#ifndef MANGO_VM_H_
+#define MANGO_VM_H_
+
+#include <mango/status.h>
+#include <mango/types.h>
+
+extern kern_status_t vm_object_create(
+	const char *name,
+	size_t name_len,
+	size_t data_len,
+	vm_prot_t prot,
+	kern_handle_t *out);
+extern kern_status_t vm_object_read(
+	kern_handle_t object,
+	void *dst,
+	off_t offset,
+	size_t count,
+	size_t *nr_read);
+extern kern_status_t vm_object_write(
+	kern_handle_t object,
+	const void *src,
+	off_t offset,
+	size_t count,
+	size_t *nr_written);
+extern kern_status_t vm_object_copy(
+	kern_handle_t dst,
+	off_t dst_offset,
+	kern_handle_t src,
+	off_t src_offset,
+	size_t count,
+	size_t *nr_copied);
+
+extern kern_status_t vm_region_create(
+	kern_handle_t parent,
+	const char *name,
+	size_t name_len,
+	off_t offset,
+	size_t region_len,
+	vm_prot_t prot,
+	kern_handle_t *out,
+	virt_addr_t *out_base_address);
+extern kern_status_t vm_region_read(
+	kern_handle_t region,
+	void *dst,
+	off_t offset,
+	size_t count,
+	size_t *nr_read);
+extern kern_status_t vm_region_write(
+	kern_handle_t region,
+	const void *src,
+	off_t offset,
+	size_t count,
+	size_t *nr_read);
+extern kern_status_t vm_region_map_absolute(
+	kern_handle_t region,
+	virt_addr_t map_address,
+	kern_handle_t object,
+	off_t object_offset,
+	size_t length,
+	vm_prot_t prot,
+	virt_addr_t *out_base_address);
+extern kern_status_t vm_region_map_relative(
+	kern_handle_t region,
+	off_t region_offset,
+	kern_handle_t object,
+	off_t object_offset,
+	size_t length,
+	vm_prot_t prot,
+	virt_addr_t *out_base_address);
+extern kern_status_t vm_region_unmap_absolute(
+	kern_handle_t region,
+	virt_addr_t address,
+	size_t length);
+extern kern_status_t vm_region_unmap_relative(
+	kern_handle_t region,
+	off_t offset,
+	size_t length);
+
+#endif