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Merge pull request #34 from weston-embedded/release-v3.08.02
Release v3.08.02
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| /* | ||
| ********************************************************************************************************* | ||
| * uC/OS-III | ||
| * The Real-Time Kernel | ||
| * | ||
| * Copyright 2009-2022 Silicon Laboratories Inc. www.silabs.com | ||
| * | ||
| * SPDX-License-Identifier: APACHE-2.0 | ||
| * | ||
| * This software is subject to an open source license and is distributed by | ||
| * Silicon Laboratories Inc. pursuant to the terms of the Apache License, | ||
| * Version 2.0 available at www.apache.org/licenses/LICENSE-2.0. | ||
| * | ||
| ********************************************************************************************************* | ||
| */ | ||
|
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| /* | ||
| ********************************************************************************************************* | ||
| * | ||
| * ARC | ||
| * MetaWare | ||
| * | ||
| * Filename : os_cpu.h | ||
| * Version : V3.08.02 | ||
| ********************************************************************************************************* | ||
| */ | ||
|
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| #ifndef _OS_CPU_H | ||
| #define _OS_CPU_H | ||
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| #ifdef OS_CPU_GLOBALS | ||
| #define OS_CPU_EXT | ||
| #else | ||
| #define OS_CPU_EXT extern | ||
| #endif | ||
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| #include "embARC.h" | ||
| #ifdef __cplusplus | ||
| extern "C" { | ||
| #endif | ||
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| /* | ||
| ********************************************************************************************************* | ||
| * MACROS | ||
| * | ||
| * Note(s): OS_TASK_SW() invokes the task level context switch. | ||
| * | ||
| * (1) On some processors, this corresponds to a call to OSCtxSw() which is an assemply language | ||
| * function that performs the context switch. | ||
| * | ||
| * (2) On some processors, you need to simulate an interrupt using a 'sowfate interrupt' or a | ||
| * TRAP instruction. Some compilers allow you to add in-line assembly language as shown. | ||
| ********************************************************************************************************* | ||
| */ | ||
|
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| #define OS_TASK_SW() OSCtxSw() /* Simulate interrupt */ | ||
|
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| /* | ||
| ********************************************************************************************************* | ||
| * TIMESTAMP CONFIGURATION | ||
| * | ||
| * Note(s) : (1) OS_TS_GET() is generally defined as CPU_TS_Get32() to allow CPU timestamp timer to be of | ||
| * any data type size. | ||
| * | ||
| * (2) For architectures that provide 32-bit or higher precision free running counters | ||
| * (i.e. cycle count registers): | ||
| * | ||
| * (a) OS_TS_GET() may be defined as CPU_TS_TmrRd() to improve performance when retrieving | ||
| * the timestamp. You would use CPU_TS_TmrRd() if this function returned the value of | ||
| * a 32-bit free running timer 0x00000000 to 0xFFFFFFFF then roll over to 0x00000000. | ||
| * | ||
| * (b) CPU_TS_TmrRd() MUST be configured to be greater or equal to 32-bits to avoid | ||
| * truncation of TS. | ||
| * | ||
| * (c) The Timer must be an up counter. | ||
| ********************************************************************************************************* | ||
| */ | ||
|
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| #if OS_CFG_TS_EN == 1u | ||
| #define OS_TS_GET() (CPU_TS)CPU_TS_Get32() /* See Note #2a. CPU_TS_TmrRd() */ | ||
| #else | ||
| #define OS_TS_GET() (CPU_TS)0u | ||
| #endif | ||
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| /* | ||
| ********************************************************************************************************* | ||
| * FUNCTION PROTOTYPES | ||
| ********************************************************************************************************* | ||
| */ | ||
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| void OSCtxSw (void); | ||
| void OSIntCtxSw (void); | ||
| void OSStartHighRdy (void); | ||
| int OS_SysTickInit (void); | ||
|
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| #ifdef __cplusplus | ||
| } | ||
| #endif | ||
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| #endif |
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