Add initial pass of syscall API kobjects

src/include/j6/errors.h

@@ -0,0 +1,16 @@
+#pragma once
+/// \file errors.h
+/// Collection of constants for the j6_status_t type
+
+#define j6_status_error				0x8000000000000000
+#define j6_err(x)					((x) | j6_status_error)
+#define j6_is_err(x)				(((x) & j6_status_error) == j6_status_error)
+
+#define j6_status_ok				0x0000
+
+#define j6_status_destroyed			0x1001
+
+#define j6_err_nyi					j6_err(0x0001)
+#define j6_err_unexpected			j6_err(0x0002)
+#define j6_err_invalid_arg			j6_err(0x0003)
+

src/include/j6/signals.h

@@ -0,0 +1,18 @@
+#pragma once
+/// \file signals.h
+/// Collection of constants for the j6_signal_t type
+
+// Signals 0-7 are common to all types
+#define j6_signal_no_handles		(1 << 0)
+
+// Signals 8-15 are user-defined signals
+#define j6_signal_user0				(1 << 8)
+#define j6_signal_user1				(1 << 9)
+#define j6_signal_user2				(1 << 10)
+#define j6_signal_user3				(1 << 11)
+#define j6_signal_user4				(1 << 12)
+#define j6_signal_user5				(1 << 13)
+#define j6_signal_user6				(1 << 14)
+#define j6_signal_user7				(1 << 15)
+
+// All other signals are type-specific

src/include/j6/types.h

@@ -0,0 +1,20 @@
+#pragma once
+/// \file types.h
+/// Basic kernel types exposed to userspace
+
+#include <stdint.h>
+
+/// All interactable kernel objects have a uniqe kernel object id
+typedef uint64_t j6_koid_t;
+
+/// Syscalls return status as this type
+typedef uint32_t j6_status_t;
+
+/// Handles are references and capabilities to other objects
+typedef uint32_t j6_handle_t;
+
+/// Some objects have signals, which are a bitmap of 64 possible signals
+typedef uint64_t j6_signal_t;
+
+/// The rights of a handle/capability are a bitmap of 64 possible rights
+typedef uint64_t j6_rights_t;

src/include/log_areas.inc

@@ -8,3 +8,4 @@ LOG(task,   info);
 LOG(boot,   debug);
 LOG(syscall,debug);
 LOG(vmem,   debug);
+LOG(objs,   debug);