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| author | Gregory Nutt <gnutt@nuttx.org> | 2014-08-28 08:10:19 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2014-08-28 08:10:19 -0600 |
| commit | 8840883bda397389b96654b3637f8549fd7af226 (patch) | |
| tree | 65114106c4e2ccb506d58e9ea2dc3dedbbf8097f /nuttx/arch/avr | |
| parent | 4226c6c8e4f1feadfd3b084b48681a63d48a9af4 (diff) | |
| download | nuttx-8840883bda397389b96654b3637f8549fd7af226.tar.gz nuttx-8840883bda397389b96654b3637f8549fd7af226.tar.bz2 nuttx-8840883bda397389b96654b3637f8549fd7af226.zip | |
Add address environment support to ALL implementatins of up_release_pending()
Diffstat (limited to 'nuttx/arch/avr')
| -rw-r--r-- | nuttx/arch/avr/src/avr32/up_releasepending.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/nuttx/arch/avr/src/avr32/up_releasepending.c b/nuttx/arch/avr/src/avr32/up_releasepending.c index 19f0e15ff..52edd7e94 100644 --- a/nuttx/arch/avr/src/avr32/up_releasepending.c +++ b/nuttx/arch/avr/src/avr32/up_releasepending.c @@ -1,7 +1,7 @@ /**************************************************************************** * arch/avr/src/avr32/up_releasepending.c * - * Copyright (C) 2010 Gregory Nutt. All rights reserved. + * Copyright (C) 2010, 2014 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without @@ -44,6 +44,7 @@ #include <nuttx/arch.h> #include "sched/sched.h" +#include "group/group.h" #include "up_internal.h" /**************************************************************************** @@ -104,7 +105,9 @@ void up_release_pending(void) rtcb = (struct tcb_s*)g_readytorun.head; slldbg("New Active Task TCB=%p\n", rtcb); - /* Then switch contexts */ + /* Then switch contexts. Any necessary address environment + * changes will be made when the interrupt returns. + */ up_restorestate(rtcb->xcp.regs); } @@ -118,6 +121,18 @@ void up_release_pending(void) */ struct tcb_s *nexttcb = (struct tcb_s*)g_readytorun.head; + +#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(nexttcb); +#endif + /* Then switch contexs */ + up_switchcontext(rtcb->xcp.regs, nexttcb->xcp.regs); /* up_switchcontext forces a context switch to the task at the |