diff options
Diffstat (limited to 'nuttx/arch/pjrc-8051/src/up_internal.h')
| -rw-r--r-- | nuttx/arch/pjrc-8051/src/up_internal.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/nuttx/arch/pjrc-8051/src/up_internal.h b/nuttx/arch/pjrc-8051/src/up_internal.h index 27a83585f..f471c1b83 100644 --- a/nuttx/arch/pjrc-8051/src/up_internal.h +++ b/nuttx/arch/pjrc-8051/src/up_internal.h @@ -106,9 +106,13 @@ #ifndef __ASSEMBLY__ -/* TRUE if processing an interrupt */ +/* This is the top of the stack containing the interrupt stack frame. It + * is set when processing an interrupt. It is also cleared when the + * interrupt returns so this can also be used like a boolean indication that + * we are in an interrupt. + */ -extern boolean g_ininterrupt; +extern ubyte g_irqtos; #endif /* __ASSEMBLY */ @@ -118,8 +122,12 @@ extern boolean g_ininterrupt; #ifndef __ASSEMBLY__ -extern ubyte up_savecontext(FAR struct xcptcontext *context); +extern void up_irqinitialize(void); extern void up_restorecontext(FAR struct xcptcontext *context); +extern void up_restorestack(FAR struct xcptcontext *context); +extern ubyte up_savecontext(FAR struct xcptcontext *context); +extern void up_savestack(FAR struct xcptcontext *context); +extern void up_timerinit(void); #endif /* __ASSEMBLY */ #endif /* __ARCH_UP_INTERNAL_H */ |