/* FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd. All rights reserved VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. This file is part of the FreeRTOS distribution. FreeRTOS is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License (version 2) as published by the Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception. *************************************************************************** >>! NOTE: The modification to the GPL is included to allow you to !<< >>! distribute a combined work that includes FreeRTOS without being !<< >>! obliged to provide the source code for proprietary components !<< >>! outside of the FreeRTOS kernel. !<< *************************************************************************** FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Full license text is available on the following link: http://www.freertos.org/a00114.html *************************************************************************** * * * FreeRTOS provides completely free yet professionally developed, * * robust, strictly quality controlled, supported, and cross * * platform software that is more than just the market leader, it * * is the industry's de facto standard. * * * * Help yourself get started quickly while simultaneously helping * * to support the FreeRTOS project by purchasing a FreeRTOS * * tutorial book, reference manual, or both: * * http://www.FreeRTOS.org/Documentation * * * *************************************************************************** http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading the FAQ page "My application does not run, what could be wrong?". Have you defined configASSERT()? http://www.FreeRTOS.org/support - In return for receiving this top quality embedded software for free we request you assist our global community by participating in the support forum. http://www.FreeRTOS.org/training - Investing in training allows your team to be as productive as possible as early as possible. Now you can receive FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers Ltd, and the world's leading authority on the world's leading RTOS. http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, including FreeRTOS+Trace - an indispensable productivity tool, a DOS compatible FAT file system, and our tiny thread aware UDP/IP stack. http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate. Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS. http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS licenses offer ticketed support, indemnification and commercial middleware. http://www.SafeRTOS.com - High Integrity Systems also provide a safety engineered and independently SIL3 certified version for use in safety and mission critical applications that require provable dependability. 1 tab == 4 spaces! */ .file "RegTest.S" #include "FreeRTOSConfig.h" #include "ISR_Support.h" .extern ulRegTest1Counter .extern ulRegTest2Counter .extern dRegTest1_st7 .extern dRegTest1_st6 .extern dRegTest1_st5 .extern dRegTest1_st4 .extern dRegTest1_st3 .extern dRegTest1_st2 .extern dRegTest1_st1 .extern dRegTest2_st7 .extern dRegTest2_st6 .extern dRegTest2_st5 .extern dRegTest2_st4 .extern dRegTest2_st3 .extern dRegTest2_st2 .extern dRegTest2_st1 .extern vGenerateYieldInterrupt .extern vHPETIRQHandler1 .global vRegTest1 .global vRegTest2 .global vApplicationHPETTimer1Wrapper .section .text.last /* Push up the memory to check executing from higher memory addresses. */ .align 4 .func vRegTest1 vRegTest1: /* Set initial values into the general purpose registers. */ movl $0x11111111, %eax movl $0x22222222, %ebx movl $0x33333333, %ecx movl $0x44444444, %edx movl $0x55555555, %esi movl $0x66666666, %edi /* Set initial values into the floating point registers. */ .if configSUPPORT_FPU == 1 fldl dRegTest1_st7 fldl dRegTest1_st6 fldl dRegTest1_st5 fldl dRegTest1_st4 fldl dRegTest1_st3 fldl dRegTest1_st2 fldl dRegTest1_st1 .endif /* configSUPPORT_FPU */ _RegTest1Loop: /* Loop checking the values originally loaded into the general purpose registers remain through the life of the task. */ cmp $0x11111111, %eax jne _RegTest1Error cmp $0x22222222, %ebx jne _RegTest1Error cmp $0x33333333, %ecx jne _RegTest1Error cmp $0x44444444, %edx jne _RegTest1Error cmp $0x55555555, %esi jne _RegTest1Error cmp $0x66666666, %edi jne _RegTest1Error .if configSUPPORT_FPU == 1 /* Loop checking the values originally loaded into the floating point registers remain through the life of the task. */ push %eax /* push clobbered register. */ fldl dRegTest1_st7 /* st( 0 ) set to st( 7 ) value. */ fucomp %st( 7 ) /* Compare st( 0 ) with st( 7 ) and pop. */ fnstsw %ax /* Copy status word to ax. */ and $0x45, %ah /* Mask bits. */ xor $0x40, %ah /* test bits. */ jne _RegTest1Error fldl dRegTest1_st6 fucomp %st( 6 ) fnstsw %ax and $0x45, %ah xor $0x40, %ah jne _RegTest1Error fldl dRegTest1_st5 fucomp %st( 5 ) fnstsw %ax and $0x45, %ah xor $0x40, %ah jne _RegTest1Error fldl dRegTest1_st4 fucomp %st( 4 ) fnstsw %ax and $0x45, %ah xor $0x40, %ah jne _RegTest1Error fldl dRegTest1_st3 fucomp %st( 3 ) fnstsw %ax and $0x45, %ah xor $0x40, %ah jne _RegTest1Error fldl dRegTest1_st2 fucomp %st( 2 ) fnstsw %ax and $0x45, %ah xor $0x40, %ah jne _RegTest1Error fldl dRegTest1_st1 fucomp %st( 1 ) fnstsw %ax and $0x45, %ah xor $0x40, %ah jne _RegTest1Error /* Restore clobbered register. */ pop %eax .endif /* configSUPPORT_FPU */ /* Incrememnt the loop counter to prove this task has not gone into the error null loop. */ add $1, ulRegTest1Counter /* Loop again. */ jmp _RegTest1Loop _RegTest1Error: jmp . .endfunc /*-----------------------------------------------------------*/ .func vRegTest2 vRegTest2: /* Set initial values into the general purpose registers. */ movl $0x10101010, %eax movl $0x20202020, %ebx movl $0x30303030, %ecx movl $0x40404040, %edx movl $0x50505050, %esi movl $0x60606060, %edi /* Set initial values into the floating point registers. */ .if configSUPPORT_FPU == 1 fldl dRegTest2_st7 fldl dRegTest2_st6 fldl dRegTest2_st5 fldl dRegTest2_st4 fldl dRegTest2_st3 fldl dRegTest2_st2 fldl dRegTest2_st1 .endif _RegTest2Loop: /* Loop checking the values originally loaded into the general purpose registers remain through the life of the task. */ cmp $0x10101010, %eax jne _RegTest2Error cmp $0x20202020, %ebx jne _RegTest2Error cmp $0x30303030, %ecx jne _RegTest2Error cmp $0x40404040, %edx jne _RegTest2Error cmp $0x50505050, %esi jne _RegTest2Error cmp $0x60606060, %edi jne _RegTest1Error .if configSUPPORT_FPU == 1 /* Loop checking the values originally loaded into the floating point registers remain through the life of the task. */ /* Loop checking the values originally loaded into the floating point registers remain through the life of the task. */ push %eax /* push clobbered register. */ fldl dRegTest2_st7 /* st( 0 ) set to st( 7 ) value. */ fucomp %st( 7 ) /* Compare st( 0 ) with st( 7 ) and pop. */ fnstsw %ax /* Copy status word to ax. */ and $0x45, %ah /* Mask bits. */ xor $0x40, %ah /* test bits. */ jne _RegTest1Error fldl dRegTest2_st6 fucomp %st( 6 ) fnstsw %ax and $0x45, %ah xor $0x40, %ah jne _RegTest1Error fldl dRegTest2_st5 fucomp %st( 5 ) fnstsw %ax and $0x45, %ah xor $0x40, %ah jne _RegTest1Error fldl dRegTest2_st4 fucomp %st( 4 ) fnstsw %ax and $0x45, %ah xor $0x40, %ah jne _RegTest1Error fldl dRegTest2_st3 fucomp %st( 3 ) fnstsw %ax and $0x45, %ah xor $0x40, %ah jne _RegTest1Error fldl dRegTest2_st2 fucomp %st( 2 ) fnstsw %ax and $0x45, %ah xor $0x40, %ah jne _RegTest1Error fldl dRegTest2_st1 fucomp %st( 1 ) fnstsw %ax and $0x45, %ah xor $0x40, %ah jne _RegTest1Error /* Restore clobbered register. */ pop %eax .endif /* configSUPPORT_FPU */ /* Force a yield from one of the reg test tasks to increase coverage. */ call vGenerateYieldInterrupt /* Increment the loop counter to prove this task has not entered the error null loop. */ add $1, ulRegTest2Counter jmp _RegTest2Loop _RegTest2Error: jmp . .endfunc /*-----------------------------------------------------------*/ /* Purely for demonstration purposes, two of the HPET timers used by the IntQueue test use the central interrupt handler, and timer 1 uses its own assembly wrapper - which is defined below. See http://www.freertos.org/RTOS_Intel_Quark_Galileo_GCC.html#interrupts for more information. */ .func vApplicationHPETTimer1Wrapper vApplicationHPETTimer1Wrapper: portFREERTOS_INTERRUPT_ENTRY call vHPETIRQHandler1 portFREERTOS_INTERRUPT_EXIT .endfunc .end