尝试增加rpc

2023-09-22 00:14:27 +08:00
parent db4f9e4741
commit 5a8dd8f34f
13 changed files with 366 additions and 6 deletions
--- a/mkrtos_user/lib/sys/inc/u_prot.h
+++ b/mkrtos_user/lib/sys/inc/u_prot.h
@@ -14,12 +14,15 @@
 #define THREAD_MAIN THREAD_PROT
 #define TASK_THIS TASK_PROT

+
+#define MSG_TAG_KNL_ERR 0x8
+
 typedef union msg_tag
 {
    umword_t raw;
    struct
    {
-        umword_t flags : 4;
+        umword_t flags : 4; // 3bit:代表错误由内核报告
        umword_t msg_buf_len : 5;
        umword_t map_buf_len : 2;
        umword_t prot : WORD_BITS - 12;
@@ -29,6 +32,8 @@ typedef union msg_tag
 #define msg_tag_init(r) \
    ((msg_tag_t){.raw = (r)})

+#define msg_tag_is_knl_err(tag) (!!((tag).flags & MSG_TAG_KNL_ERR)) //!< 内核错误
+
 #define msg_tag_init4(fg, msg_words, buf_words, p) ((msg_tag_t){ \
    .flags = (fg),                                               \
    .msg_buf_len = (msg_words),                                  \