Change Service dir structure, erase uncessary hardkernel functions.

2024-05-08 15:22:08 +08:00
parent 18eff4334c
commit 3b011500f1
24 changed files with 121 additions and 314 deletions
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2020 AIIT XUOS Lab
+ * XiUOS is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *        http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+#include "usyscall.h"
+
+int syscall(int sys_num, intptr_t a1, intptr_t a2, intptr_t a3, intptr_t a4)
+{
+    int ret = -1;
+
+    __asm__ volatile(
+        "mov r0, %1;\
+        mov r1, %2;\
+        mov r2, %3;\
+        mov r3, %4;\
+        mov r4, %5;\
+        swi 0;\
+        dsb;\
+        isb;\
+        mov %0, r0"
+        : "=r"(ret)
+        : "r"(sys_num), "r"(a1), "r"(a2), "r"(a3), "r"(a4)
+        : "memory", "r0", "r1", "r2", "r3", "r4");
+
+    return ret;
+}