原始版本

2025-06-19 21:56:46 +08:00
parent fe98e5f010
commit a4841450cf
4152 changed files with 1910684 additions and 0 deletions
--- a/RT_Thread/libcpu/aarch64/common/smccc.S
+++ b/RT_Thread/libcpu/aarch64/common/smccc.S
@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+/**
+ * SMCCC v0.2
+ * ARM DEN0028E chapter 2.6
+ */
+    .macro SMCCC instr
+    stp    x29, x30, [sp, #-16]!
+    mov    x29, sp
+    \instr    #0
+    // store in arm_smccc_res
+    ldr    x4, [sp, #16]
+    stp    x0, x1, [x4, #0]
+    stp    x2, x3, [x4, #16]
+1:  
+    ldp    x29, x30, [sp], #16
+    ret
+    .endm
+
+.global arm_smccc_smc
+arm_smccc_smc:
+    SMCCC    smc
+
+.global arm_smccc_hvc
+arm_smccc_hvc:
+    SMCCC    hvc