[Add] add xv6-rv

2023-07-20 17:48:37 +08:00
parent 32e948a593
commit f683f3bed1
77 changed files with 11814 additions and 5 deletions
--- a/lasoft/xv6-la/kernel/buf.h
+++ b/lasoft/xv6-la/kernel/buf.h
@@ -0,0 +1,12 @@
+struct buf {
+  int valid;   // has data been read from disk?
+  int disk;    // does disk "own" buf?
+  uint dev;
+  uint blockno;
+  struct sleeplock lock;
+  uint refcnt;
+  struct buf *prev; // LRU cache list
+  struct buf *next;
+  uchar data[BSIZE];
+};
+