Begin implementation of syscalls.

2 files changed, 17 insertions, 0 deletions

diff --git a/src/kernel/include/process.h b/src/kernel/include/process.h
index 661aaa6..82ba8dd 100644
--- a/src/kernel/include/process.h
+++ b/src/kernel/include/process.h
@@ -35,15 +35,22 @@ process_t *new_process(process_t *parent);
 // void delete_process(process_t *p);	// TODO define semantics for freeing stuff
 
 pagedir_t *proc_pagedir(process_t *p);
+int proc_pid(process_t *p);
 
 bool start_process(process_t *p, proc_entry_t entry);	// maps a region for user stack
 
 bool proc_add_fs(process_t *p, fs_t *fs, const char* name);
 fs_t *proc_find_fs(process_t *p, const char* name);
+bool proc_rm_fs(process_t *p, const char* name);
 
 bool mmap(process_t *proc, void* addr, size_t size, int mode);		// create empty zone
 bool mmap_file(process_t *proc, fs_handle_t *h, size_t offset, void* addr, size_t size, int mode);
 bool mchmap(process_t *proc, void* addr, int mode);
 bool munmap(process_t *proc, void* addr);
 
+// for syscalls : check that process is authorized to do that
+// (if not, process exits with a segfault)
+void probe_for_read(const void* addr, size_t len);
+void probe_for_write(const void* addr, size_t len);
+
 /* vim: set ts=4 sw=4 tw=0 noet :*/
diff --git a/src/kernel/include/syscall.h b/src/kernel/include/syscall.h
new file mode 100644
index 0000000..c6c0ed4
--- /dev/null
+++ b/src/kernel/include/syscall.h
@@ -0,0 +1,10 @@
+#pragma once
+
+#include <idt.h>
+#include <syscallid.h>
+
+void setup_syscalls();
+
+void syscall_handler(registers_t *regs);
+
+/* vim: set ts=4 sw=4 tw=0 noet :*/