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Correct the initial value of the BASEPRI register. This was apparently never being initialized. From Max

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This commit is contained in:
Gregory Nutt 2014-07-24 15:37:13 -06:00
parent 949e002d76
commit 5e19807250
1 changed files with 9 additions and 1 deletions
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10
arch/arm/src/armv7-m/up_initialstate.c
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@ -1,7 +1,7 @@
/****************************************************************************
* arch/arm/src/armv7-m/up_initialstate.c
*
* Copyright (C) 2009, 2011-2013 Gregory Nutt. All rights reserved.
* Copyright (C) 2009, 2011-2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -147,10 +147,18 @@ void up_initial_state(struct tcb_s *tcb)
/* Enable or disable interrupts, based on user configuration */
#ifdef CONFIG_SUPPRESS_INTERRUPTS
#ifdef CONFIG_ARMV7M_USEBASEPRI
xcp->regs[REG_BASEPRI] = NVIC_SYSH_DISABLE_PRIORITY;
#else
xcp->regs[REG_PRIMASK] = 1;
#endif
#else /* CONFIG_SUPPRESS_INTERRUPTS */
#ifdef CONFIG_ARMV7M_USEBASEPRI
xcp->regs[REG_BASEPRI] = NVIC_SYSH_MAXNORMAL_PRIORITY;
#endif
#endif /* CONFIG_SUPPRESS_INTERRUPTS */
}