/*\r
- FreeRTOS V9.0.0rc1 - Copyright (C) 2016 Real Time Engineers Ltd.\r
- All rights reserved\r
-\r
- VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
-\r
- This file is part of the FreeRTOS distribution.\r
-\r
- FreeRTOS is free software; you can redistribute it and/or modify it under\r
- the terms of the GNU General Public License (version 2) as published by the\r
- Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.\r
-\r
- ***************************************************************************\r
- >>! NOTE: The modification to the GPL is included to allow you to !<<\r
- >>! distribute a combined work that includes FreeRTOS without being !<<\r
- >>! obliged to provide the source code for proprietary components !<<\r
- >>! outside of the FreeRTOS kernel. !<<\r
- ***************************************************************************\r
-\r
- FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
- FOR A PARTICULAR PURPOSE. Full license text is available on the following\r
- link: http://www.freertos.org/a00114.html\r
-\r
- ***************************************************************************\r
- * *\r
- * FreeRTOS provides completely free yet professionally developed, *\r
- * robust, strictly quality controlled, supported, and cross *\r
- * platform software that is more than just the market leader, it *\r
- * is the industry's de facto standard. *\r
- * *\r
- * Help yourself get started quickly while simultaneously helping *\r
- * to support the FreeRTOS project by purchasing a FreeRTOS *\r
- * tutorial book, reference manual, or both: *\r
- * http://www.FreeRTOS.org/Documentation *\r
- * *\r
- ***************************************************************************\r
-\r
- http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading\r
- the FAQ page "My application does not run, what could be wrong?". Have you\r
- defined configASSERT()?\r
-\r
- http://www.FreeRTOS.org/support - In return for receiving this top quality\r
- embedded software for free we request you assist our global community by\r
- participating in the support forum.\r
-\r
- http://www.FreeRTOS.org/training - Investing in training allows your team to\r
- be as productive as possible as early as possible. Now you can receive\r
- FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers\r
- Ltd, and the world's leading authority on the world's leading RTOS.\r
-\r
- http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
- including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
- compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
-\r
- http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.\r
- Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.\r
-\r
- http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High\r
- Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS\r
- licenses offer ticketed support, indemnification and commercial middleware.\r
-\r
- http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
- engineered and independently SIL3 certified version for use in safety and\r
- mission critical applications that require provable dependability.\r
-\r
- 1 tab == 4 spaces!\r
-*/\r
+ * FreeRTOS Kernel V10.1.1\r
+ * Copyright (C) 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
+ * this software and associated documentation files (the "Software"), to deal in\r
+ * the Software without restriction, including without limitation the rights to\r
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
+ * the Software, and to permit persons to whom the Software is furnished to do so,\r
+ * subject to the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice shall be included in all\r
+ * copies or substantial portions of the Software.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+ *\r
+ * http://www.FreeRTOS.org\r
+ * http://aws.amazon.com/freertos\r
+ *\r
+ * 1 tab == 4 spaces!\r
+ */\r
\r
.text\r
\r
STP X30, XZR, [SP, #-0x10]!\r
\r
/* Save the SPSR. */\r
+#if defined( GUEST )\r
+ MRS X3, SPSR_EL1\r
+ MRS X2, ELR_EL1\r
+#else\r
MRS X3, SPSR_EL3\r
-\r
/* Save the ELR. */\r
MRS X2, ELR_EL3\r
+#endif\r
\r
STP X2, X3, [SP, #-0x10]!\r
\r
1:\r
LDP X2, X3, [SP], #0x10 /* SPSR and ELR. */\r
\r
+#if defined( GUEST )\r
+ /* Restore the SPSR. */\r
+ MSR SPSR_EL1, X3\r
+ /* Restore the ELR. */\r
+ MSR ELR_EL1, X2\r
+#else\r
/* Restore the SPSR. */\r
MSR SPSR_EL3, X3 /*_RB_ Assumes started in EL3. */\r
-\r
/* Restore the ELR. */\r
MSR ELR_EL3, X2\r
+#endif\r
\r
LDP X30, XZR, [SP], #0x10\r
LDP X28, X29, [SP], #0x10\r
FreeRTOS_SWI_Handler:\r
/* Save the context of the current task and select a new task to run. */\r
portSAVE_CONTEXT\r
-\r
+#if defined( GUEST )\r
+ MRS X0, ESR_EL1\r
+#else\r
MRS X0, ESR_EL3\r
+#endif\r
+\r
LSR X1, X0, #26\r
- CMP X1, #0x17 /* 0x17 = SMC instruction. */\r
+\r
+#if defined( GUEST )\r
+ CMP X1, #0x15 /* 0x15 = SVC instruction. */\r
+#else\r
+ CMP X1, #0x17 /* 0x17 = SMC instruction. */\r
+#endif\r
B.NE FreeRTOS_Abort\r
BL vTaskSwitchContext\r
\r
\r
/* Install the FreeRTOS interrupt handlers. */\r
LDR X1, =freertos_vector_base\r
+#if defined( GUEST )\r
+ MSR VBAR_EL1, X1\r
+#else\r
MSR VBAR_EL3, X1\r
+#endif\r
DSB SY\r
ISB SY\r
\r
STP X29, X30, [SP, #-0x10]!\r
\r
/* Save the SPSR and ELR. */\r
+#if defined( GUEST )\r
+ MRS X3, SPSR_EL1\r
+ MRS X2, ELR_EL1\r
+#else\r
MRS X3, SPSR_EL3\r
MRS X2, ELR_EL3\r
+#endif\r
STP X2, X3, [SP, #-0x10]!\r
\r
/* Increment the interrupt nesting counter. */\r
\r
/* Restore volatile registers. */\r
LDP X4, X5, [SP], #0x10 /* SPSR and ELR. */\r
+#if defined( GUEST )\r
+ MSR SPSR_EL1, X5\r
+ MSR ELR_EL1, X4\r
+#else\r
MSR SPSR_EL3, X5 /*_RB_ Assumes started in EL3. */\r
MSR ELR_EL3, X4\r
+#endif\r
DSB SY\r
ISB SY\r
\r
Exit_IRQ_No_Context_Switch:\r
/* Restore volatile registers. */\r
LDP X4, X5, [SP], #0x10 /* SPSR and ELR. */\r
+#if defined( GUEST )\r
+ MSR SPSR_EL1, X5\r
+ MSR ELR_EL1, X4\r
+#else\r
MSR SPSR_EL3, X5 /*_RB_ Assumes started in EL3. */\r
MSR ELR_EL3, X4\r
+#endif\r
DSB SY\r
ISB SY\r
\r