move usermode-critical info to include/api

3 files changed, 95 insertions, 0 deletions

diff --git a/include/api/error.h b/include/api/error.h
new file mode 100644
index 0000000..da8093c
--- /dev/null
+++ b/include/api/error.h
@@ -0,0 +1,21 @@
+#ifndef _JOVE_ERROR_H
+#define _JOVE_ERROR_H 1
+
+enum
+{
+    KE_OK = 0,
+    KE_BADOBJ,
+    KE_BADFUNC,
+    KE_BADTYPE,
+    KE_BADMSG,
+    KE_BADCALL,
+    KE_FULL,
+    KE_TOOSMALL,
+    KE_OOB,
+    KE_DNE,
+    KE_ALIGN,
+    KE_BADSIZE,
+    KE_OCCUPIED
+};
+
+#endif
diff --git a/include/api/object.h b/include/api/object.h
new file mode 100644
index 0000000..58a54b9
--- /dev/null
+++ b/include/api/object.h
@@ -0,0 +1,29 @@
+#ifndef _JOVE_API_OBJECT_H
+#define _JOVE_API_OBJECT_H 1
+
+#include <stdint.h>
+
+typedef uint16_t obj_type_t;
+
+enum
+{
+    /* Generic objects */
+    KO_NONE = 0,
+    KO_OBJECT_DIRECTORY,
+    KO_MEMORY_UNTYPED,
+    KO_MEMORY_MAPPING, //4KiB aligned fixed width
+    KO_INITRD_FILE,
+    KO_TCB,
+    KO_MESSAGE,
+    /* Device objects*/
+    KO_DEV_INVALID = 0x100,
+    KO_DEV_PROCESSOR,
+    KO_DEV_UART
+};
+
+#define KO_MESSAGE_BYTES 4096
+#define KO_MESSAGE_ALIGN 0x1000
+
+#define OBJECT_DIRECTORY_MAX_ENTRIES 256
+
+#endif
diff --git a/include/api/syscall.h b/include/api/syscall.h
new file mode 100644
index 0000000..3ce5886
--- /dev/null
+++ b/include/api/syscall.h
@@ -0,0 +1,45 @@
+#ifndef _JOVE_API_SYSCALL_H
+#define _JOVE_API_SYSCALL_H 1
+
+enum
+{
+    SYSCALL_NONE = 0,
+    SYSCALL_INVOKE,
+    SYSCALL_SEND,
+    SYSCALL_RECV,
+
+    SYSCALL_DEBUG_PUTC
+};
+
+/* Generic payload of SYSCALL_INVOKE:
+ * [size_t n][   n bytes   ][ uint8_t ][ payload ]
+ * target entry             funcid            
+ * */
+
+/**@ENUM objdir invokes*/
+enum
+{
+    /*[target path][u8 funcid][u8 memb]*/
+    INVOKE_OBJDIR_GETMEMB,
+    /*[target path][u8 funcid]*/
+    INVOKE_OBJDIR_LASTMEMB,
+    /*[target path][u8 funcid][u8 memb]*/
+    INVOKE_OBJDIR_MOVE
+};
+/**@ENUM untyped invokes*/
+enum
+{
+    /*[target path][u8 funcid][size_t ret]*/
+    INVOKE_UNTYPED_SIZE = 0,
+    /*[target path][u8 funcid][dest path][dest bytes]*/
+    INVOKE_UNTYPED_SPLIT,
+    /*[first path][u8 funcid][second path]*/
+    INVOKE_UNTYPED_MERGE,
+    /*[target path][u8 funcid][size_t ret]*/
+    INVOKE_UNTYPED_ALIGNMENT,
+    /*[target path][u8 funcid][u16 type]*/
+    INVOKE_UNTYPED_RETYPE,
+};
+
+
+#endif