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diff packages/hal/powerpc/arch/current/include/hal_arch.h @ 6:d376b777e2ce ecos-sw-1999-05-14

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Merge from eCos master repository on 1999-05-14-19:27:43-BST
author jlarmour
date Fri, 14 May 1999 12:20:00 +0000
parents 443894e2e912
children c38311975d4f
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--- a/packages/hal/powerpc/arch/current/include/hal_arch.h
+++ b/packages/hal/powerpc/arch/current/include/hal_arch.h
@@ -118,7 +118,8 @@ externC void cyg_hal_deliver_exception( 
 
 #define HAL_THREAD_INIT_CONTEXT( _sparg_, _thread_, _entry_, _id_ )           \
     CYG_MACRO_START                                                           \
-    register CYG_WORD _sp_ = ((CYG_WORD)_sparg_)-CYGARC_PPC_STACK_FRAME_SIZE; \
+    register CYG_WORD _sp_ = (((CYG_WORD)_sparg_) &~15)                       \
+                                 - CYGARC_PPC_STACK_FRAME_SIZE;               \
     register HAL_SavedRegisters *_regs_;                                      \
     int _i_;                                                                  \
     _regs_ = (HAL_SavedRegisters *)((_sp_) - sizeof(HAL_SavedRegisters));     \