Created student weenix repository

4 files changed, 40 insertions, 0 deletions

diff --git a/user/include/weenix/config.h b/user/include/weenix/config.h
new file mode 120000
index 0000000..a92e33c
--- /dev/null
+++ b/user/include/weenix/config.h
@@ -0,0 +1 @@
+../../../kernel/include/config.h
\ No newline at end of file
diff --git a/user/include/weenix/debug.h b/user/include/weenix/debug.h
new file mode 100644
index 0000000..a30641e
--- /dev/null
+++ b/user/include/weenix/debug.h
@@ -0,0 +1,12 @@
+#include "stdio.h"
+
+int debug(const char *str);
+
+#define dbg(fmt, args...)                                                    \
+    do                                                                       \
+    {                                                                        \
+        char temp[2048];                                                     \
+        snprintf(temp, sizeof(temp), "%s:%d %s(): " fmt, __FILE__, __LINE__, \
+                 __func__, ##args);                                          \
+        debug(temp);                                                         \
+    } while (0);
diff --git a/user/include/weenix/syscall.h b/user/include/weenix/syscall.h
new file mode 120000
index 0000000..0a85ee5
--- /dev/null
+++ b/user/include/weenix/syscall.h
@@ -0,0 +1 @@
+../../../kernel/include/api/syscall.h
\ No newline at end of file
diff --git a/user/include/weenix/trap.h b/user/include/weenix/trap.h
new file mode 100644
index 0000000..fade1eb
--- /dev/null
+++ b/user/include/weenix/trap.h
@@ -0,0 +1,26 @@
+#pragma once
+
+#include "errno.h"
+#include "stddef.h"
+#include "sys/types.h"
+#include "weenix/syscall.h"
+
+#define TRAP_INTR_STRING QUOTE(INTR_SYSCALL)
+
+/* ssize_t will be 32 bits or 64 bits wide as appropriate.
+   args are passed via %(r/e)ax and %(r/e)dx, so they need
+   to be the size of a register.  */
+
+static inline ssize_t trap(ssize_t num, ssize_t arg)
+{
+    ssize_t ret;
+    __asm__ volatile("int $" TRAP_INTR_STRING
+                     : "=a"(ret)
+                     : "a"(num), "d"(arg));
+
+    /* Copy in errno */
+    __asm__ volatile("int $" TRAP_INTR_STRING
+                     : "=a"(errno)
+                     : "a"(SYS_errno));
+    return ret;
+}