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Diffstat (limited to 'cpukit/score/cpu/sparc/rtems/score/sparc.h')
-rw-r--r--cpukit/score/cpu/sparc/rtems/score/sparc.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/cpukit/score/cpu/sparc/rtems/score/sparc.h b/cpukit/score/cpu/sparc/rtems/score/sparc.h
index 75f6d96e74..abd0f8b987 100644
--- a/cpukit/score/cpu/sparc/rtems/score/sparc.h
+++ b/cpukit/score/cpu/sparc/rtems/score/sparc.h
@@ -164,17 +164,37 @@ extern "C" {
*
* This macro returns the current contents of the PSR register in @a _psr.
*/
+#if defined(RTEMS_PARAVIRT)
+
+uint32_t _SPARC_Get_PSR( void );
+
+#define sparc_get_psr( _psr ) \
+ (_psr) = _SPARC_Get_PSR()
+
+#else /* RTEMS_PARAVIRT */
+
#define sparc_get_psr( _psr ) \
do { \
(_psr) = 0; \
__asm__ volatile( "rd %%psr, %0" : "=r" (_psr) : "0" (_psr) ); \
} while ( 0 )
+#endif /* RTEMS_PARAVIRT */
+
/**
* @brief Macro to set the PSR.
*
* This macro sets the PSR register to the value in @a _psr.
*/
+#if defined(RTEMS_PARAVIRT)
+
+void _SPARC_Set_PSR( uint32_t new_psr );
+
+#define sparc_set_psr( _psr ) \
+ _SPARC_Set_PSR( _psr )
+
+#else /* RTEMS_PARAVIRT */
+
#define sparc_set_psr( _psr ) \
do { \
__asm__ volatile ( "mov %0, %%psr " : "=r" ((_psr)) : "0" ((_psr)) ); \
@@ -183,27 +203,51 @@ extern "C" {
nop(); \
} while ( 0 )
+#endif /* RTEMS_PARAVIRT */
+
/**
* @brief Macro to obtain the TBR.
*
* This macro returns the current contents of the TBR register in @a _tbr.
*/
+#if defined(RTEMS_PARAVIRT)
+
+uint32_t _SPARC_Get_TBR( void );
+
+#define sparc_get_tbr( _tbr ) \
+ (_tbr) = _SPARC_Get_TBR()
+
+#else /* RTEMS_PARAVIRT */
+
#define sparc_get_tbr( _tbr ) \
do { \
(_tbr) = 0; /* to avoid unitialized warnings */ \
__asm__ volatile( "rd %%tbr, %0" : "=r" (_tbr) : "0" (_tbr) ); \
} while ( 0 )
+#endif /* RTEMS_PARAVIRT */
+
/**
* @brief Macro to set the TBR.
*
* This macro sets the TBR register to the value in @a _tbr.
*/
+#if defined(RTEMS_PARAVIRT)
+
+void _SPARC_Set_TBR( uint32_t new_tbr );
+
+#define sparc_set_tbr( _tbr ) \
+ _SPARC_Set_TBR((_tbr))
+
+#else /* RTEMS_PARAVIRT */
+
#define sparc_set_tbr( _tbr ) \
do { \
__asm__ volatile( "wr %0, 0, %%tbr" : "=r" (_tbr) : "0" (_tbr) ); \
} while ( 0 )
+#endif /* RTEMS_PARAVIRT */
+
/**
* @brief Macro to obtain the WIM.
*