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xtensa: fix coprocessor save area

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A bad rebase of a patch that moved these defines around
unintentionally reverted a necessary change to the coprocessor
save area.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2017-05-10 13:27:20 -07:00 • committed by Anas Nashif
commit 99c89e17e3
1 changed files with 2 additions and 6 deletions
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8
arch/xtensa/include/kernel_arch_thread.h
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@ -88,11 +88,10 @@ typedef struct s_coopCoprocReg {
*/ */
typedef struct s_preempCoprocReg { typedef struct s_preempCoprocReg {
/* /*
* This structure intentionally left blank, as for now coprocessor's * This structure reserved coprocessor control and save area memory.
* stack is positioned at top of the stack.
*/ */
#if XCHAL_CP_NUM > 0 #if XCHAL_CP_NUM > 0
char *cpStack; char __aligned(4) cpStack[XT_CP_SIZE];
#endif #endif
} tPreempCoprocReg; } tPreempCoprocReg;
@ -133,9 +132,6 @@ struct _thread_arch {
* that do not utilize floating point instruction can effectively * that do not utilize floating point instruction can effectively
* consume the memory occupied by the 'tCoopCoprocReg' and * consume the memory occupied by the 'tCoopCoprocReg' and
* 'tPreempCoprocReg' structures without ill effect. * 'tPreempCoprocReg' structures without ill effect.
*
* TODO: Move Xtensa coprocessor's stack here to get rid of extra
* indirection
*/ */
/* non-volatile coprocessor's register storage */ /* non-volatile coprocessor's register storage */