Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

2026-07-06 11:30:13 +08:00
commit e76462eeb7
3451 changed files with 1415300 additions and 0 deletions
--- a/ohos/kernel/liteos_m/arch/include/los_arch.h
+++ b/ohos/kernel/liteos_m/arch/include/los_arch.h
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_ARCH_H
+#define _LOS_ARCH_H
+
+#include "los_config.h"
+#include "los_timer.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#if defined(__ICCARM__) || defined(__CC_ARM)
+STATIC INLINE UINTPTR ArchSpGet(VOID)
+{
+    UINTPTR sp;
+    __asm("mov %0, sp" : "=r" (sp));
+    return sp;
+}
+
+STATIC INLINE UINTPTR ArchPspGet(VOID)
+{
+    UINTPTR psp;
+    __asm("mrs %0, psp" : "=r" (psp));
+    return psp;
+}
+
+STATIC INLINE UINTPTR ArchMspGet(VOID)
+{
+    UINTPTR msp;
+    __asm("mrs %0, msp" : "=r" (msp));
+    return msp;
+}
+
+#define ARCH_LR_GET()                           \
+({                                              \
+    UINTPTR lr;                                 \
+    __asm("mov %0, lr" : "=r" (lr));            \
+    (lr);                                       \
+})
+#define ArchLRGet ARCH_LR_GET
+#elif defined(__CLANG_ARM) || defined(__GNUC__)
+STATIC INLINE UINTPTR ArchSpGet(VOID)
+{
+    UINTPTR sp;
+    __asm volatile("mov %0, sp" : "=r" (sp));
+    return sp;
+}
+
+STATIC INLINE UINTPTR ArchPspGet(VOID)
+{
+    UINTPTR psp;
+    __asm volatile("mrs %0, psp" : "=r" (psp));
+    return psp;
+}
+
+STATIC INLINE UINTPTR ArchMspGet(VOID)
+{
+    UINTPTR msp;
+    __asm volatile("mrs %0, msp" : "=r" (msp));
+    return msp;
+}
+
+#define ARCH_LR_GET()                           \
+({                                              \
+    UINTPTR lr;                                 \
+    __asm volatile("mov %0, lr" : "=r" (lr));   \
+    (lr);                                       \
+})
+#define ArchLRGet ARCH_LR_GET
+#else
+/* Other platforms to be improved  */
+#endif
+
+VOID ArchInit(VOID);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_ARCH_H */
+