From 8840883bda397389b96654b3637f8549fd7af226 Mon Sep 17 00:00:00 2001 From: Gregory Nutt Date: Thu, 28 Aug 2014 08:10:19 -0600 Subject: Add address environment support to ALL implementatins of up_release_pending() --- nuttx/arch/z80/src/common/up_releasepending.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) (limited to 'nuttx/arch/z80') diff --git a/nuttx/arch/z80/src/common/up_releasepending.c b/nuttx/arch/z80/src/common/up_releasepending.c index 6acc6f760..99771609e 100644 --- a/nuttx/arch/z80/src/common/up_releasepending.c +++ b/nuttx/arch/z80/src/common/up_releasepending.c @@ -1,7 +1,7 @@ /**************************************************************************** * arch/z80/src/common/up_releasepending.c * - * Copyright (C) 2007-2009 Gregory Nutt. All rights reserved. + * Copyright (C) 2007-2009, 2014 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without @@ -47,6 +47,7 @@ #include "chip/chip.h" #include "chip/switch.h" #include "sched/sched.h" +#include "group/group.h" #include "up_internal.h" /**************************************************************************** @@ -108,7 +109,8 @@ void up_release_pending(void) slldbg("New Active Task TCB=%p\n", rtcb); /* Then setup so that the context will be performed on exit - * from the interrupt. + * from the interrupt. Any necessary address environment + * changes will be made when the interrupt returns. */ SET_IRQCONTEXT(rtcb); @@ -129,6 +131,15 @@ void up_release_pending(void) rtcb = (FAR struct tcb_s*)g_readytorun.head; slldbg("New Active Task TCB=%p\n", rtcb); +#ifdef CONFIG_ARCH_ADDRENV + /* Make sure that the address environment for the previously + * running task is closed down gracefully (data caches dump, + * MMU flushed) and set up the address environment for the new + * thread at the head of the ready-to-run list. + */ + + (void)group_addrenv(rtcb); +#endif /* Then switch contexts */ RESTORE_USERCONTEXT(rtcb); -- cgit v1.2.3