amiro-os / patches / 0001-ARM-fix-rounding-issue-with-WORKING_AREA-stack-size.patch @ 22b85da1
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From 8dc86a6495b16e656d5fff4d55b4b6f78e3b3c82 Mon Sep 17 00:00:00 2001
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From: Robert ABEL <rabel@cit-ec.uni-bielefeld.de>
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Date: Fri, 4 Jul 2014 16:51:30 +0200
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Subject: [PATCH] ARM: fix rounding issue with WORKING_AREA stack size
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Signed-off-by: Robert ABEL <rabel@cit-ec.uni-bielefeld.de>
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---
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os/ports/GCC/ARMCMx/chcore_v6m.h | 2 +- |
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os/ports/GCC/ARMCMx/chcore_v7m.h | 2 +- |
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2 files changed, 2 insertions(+), 2 deletions(-) |
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diff --git a/os/ports/GCC/ARMCMx/chcore_v6m.h b/os/ports/GCC/ARMCMx/chcore_v6m.h
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index be1381e..2937be9 100644
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--- a/os/ports/GCC/ARMCMx/chcore_v6m.h
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+++ b/os/ports/GCC/ARMCMx/chcore_v6m.h
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@@ -238,7 +238,7 @@ struct context { |
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* @details This macro is used to allocate a static thread working area |
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* aligned as both position and size. |
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*/ |
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-#define WORKING_AREA(s, n) stkalign_t s[THD_WA_SIZE(n) / sizeof(stkalign_t)]
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+#define WORKING_AREA(s, n) stkalign_t s[(THD_WA_SIZE(n) + sizeof(stkalign_t) - 1) / sizeof(stkalign_t)]
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/**
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* @brief IRQ prologue code.
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diff --git a/os/ports/GCC/ARMCMx/chcore_v7m.h b/os/ports/GCC/ARMCMx/chcore_v7m.h
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index 3706a92..5cb8867 100644
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--- a/os/ports/GCC/ARMCMx/chcore_v7m.h
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+++ b/os/ports/GCC/ARMCMx/chcore_v7m.h
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@@ -338,7 +338,7 @@ struct context { |
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* @details This macro is used to allocate a static thread working area |
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* aligned as both position and size. |
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*/ |
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-#define WORKING_AREA(s, n) stkalign_t s[THD_WA_SIZE(n) / sizeof(stkalign_t)]
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+#define WORKING_AREA(s, n) stkalign_t s[(THD_WA_SIZE(n) + sizeof(stkalign_t) - 1) / sizeof(stkalign_t)]
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/**
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* @brief IRQ prologue code.
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--
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1.8.4.msysgit.0
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