Moved proj up

2026-06-04 10:21:56 +02:00
parent aea013305e
commit 99fb345151
949 changed files with 0 additions and 0 deletions
@@ -0,0 +1,175 @@
+/*
+ * FreeRTOS Kernel V11.3.0
+ * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+EXTERN pxCurrentTCB
+EXTERN usCriticalNesting
+
+#include "FreeRTOSConfig.h"
+
+;
+Context save and restore macro definitions
+;
+
+portSAVE_CONTEXT MACRO
+
+    add - 0x0C, sp;
+prepare stack to save necessary values
+st.w lp, 8[ sp ];
+store LP to stack
+    stsr    0, r31
+    st.w lp, 4[ sp ];
+store EIPC to stack
+    stsr    1, lp
+    st.w lp, 0[ sp ];
+store EIPSW to stack
+#if configDATA_MODE == 1; Using the Tiny data model
+prepare {
+    r20, r21, r22, r23, r24, r25, r26, r27, r28, r29, r30
+}, 76, sp;
+save general purpose registers
+sst.w r19, 72[ ep ]
+sst.w r18, 68[ ep ]
+sst.w r17, 64[ ep ]
+sst.w r16, 60[ ep ]
+sst.w r15, 56[ ep ]
+sst.w r14, 52[ ep ]
+sst.w r13, 48[ ep ]
+sst.w r12, 44[ ep ]
+sst.w r11, 40[ ep ]
+sst.w r10, 36[ ep ]
+sst.w r9, 32[ ep ]
+sst.w r8, 28[ ep ]
+sst.w r7, 24[ ep ]
+sst.w r6, 20[ ep ]
+sst.w r5, 16[ ep ]
+sst.w r4, 12[ ep ]
+#else; Using the Small / Large data model
+prepare {
+    r20, r21, r22, r23, r24, r26, r27, r28, r29, r30
+}, 72, sp;
+save general purpose registers
+sst.w r19, 68[ ep ]
+sst.w r18, 64[ ep ]
+sst.w r17, 60[ ep ]
+sst.w r16, 56[ ep ]
+sst.w r15, 52[ ep ]
+sst.w r14, 48[ ep ]
+sst.w r13, 44[ ep ]
+sst.w r12, 40[ ep ]
+sst.w r11, 36[ ep ]
+sst.w r10, 32[ ep ]
+sst.w r9, 28[ ep ]
+sst.w r8, 24[ ep ]
+sst.w r7, 20[ ep ]
+sst.w r6, 16[ ep ]
+sst.w r5, 12[ ep ]
+#endif /* configDATA_MODE */
+sst.w r2, 8[ ep ]
+sst.w r1, 4[ ep ]
+MOVHI hi1( usCriticalNesting ), r0, r1;
+save usCriticalNesting value to stack
+ld.w lw1( usCriticalNesting )[ r1 ], r2
+sst.w r2, 0[ ep ]
+MOVHI hi1( pxCurrentTCB ), r0, r1;
+save SP to top of current TCB
+ld.w lw1( pxCurrentTCB )[ r1 ], r2
+st.w sp, 0[ r2 ]
+ENDM
+
+
+portRESTORE_CONTEXT MACRO
+
+MOVHI hi1( pxCurrentTCB ), r0, r1;
+get Stackpointer address
+ld.w lw1( pxCurrentTCB )[ r1 ], sp
+MOV sp, r1
+ld.w    0[ r1 ], sp;
+load stackpointer
+MOV sp, ep;
+set stack pointer to element pointer
+sld.w   0[ ep ], r1;
+load usCriticalNesting value from stack
+MOVHI hi1( usCriticalNesting ), r0, r2
+st.w r1, lw1( usCriticalNesting )[ r2 ]
+sld.w   4[ ep ], r1;
+restore general purpose registers
+sld.w   8[ ep ], r2
+#if configDATA_MODE == 1; Using Tiny data model
+    sld.w   12[ ep ], r4
+    sld.w   16[ ep ], r5
+    sld.w   20[ ep ], r6
+    sld.w   24[ ep ], r7
+    sld.w   28[ ep ], r8
+    sld.w   32[ ep ], r9
+    sld.w   36[ ep ], r10
+    sld.w   40[ ep ], r11
+    sld.w   44[ ep ], r12
+    sld.w   48[ ep ], r13
+    sld.w   52[ ep ], r14
+    sld.w   56[ ep ], r15
+    sld.w   60[ ep ], r16
+    sld.w   64[ ep ], r17
+    sld.w   68[ ep ], r18
+    sld.w   72[ ep ], r19
+    dispose 76, {
+        r20, r21, r22, r23, r24, r25, r26, r27, r28, r29, r30
+    }
+#else; Using Small / Large data model
+    sld.w   12[ ep ], r5
+    sld.w   16[ ep ], r6
+    sld.w   20[ ep ], r7
+    sld.w   24[ ep ], r8
+    sld.w   28[ ep ], r9
+    sld.w   32[ ep ], r10
+    sld.w   36[ ep ], r11
+    sld.w   40[ ep ], r12
+    sld.w   44[ ep ], r13
+    sld.w   48[ ep ], r14
+    sld.w   52[ ep ], r15
+    sld.w   56[ ep ], r16
+    sld.w   60[ ep ], r17
+    sld.w   64[ ep ], r18
+    sld.w   68[ ep ], r19
+    dispose 72, {
+        r20, r21, r22, r23, r24, r26, r27, r28, r29, r30
+    }
+#endif /* configDATA_MODE */
+ld.w    0[ sp ], lp;
+restore EIPSW from stack
+ldsr lp, 1
+ld.w    4[ sp ], lp;
+restore EIPC from stack
+ldsr lp, 0
+ld.w    8[ sp ], lp;
+restore LP from stack
+    add     0x0C, sp;
+set SP to right position
+
+RETI
+
+ENDM