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(CPU_Get_timebase_low, rtems_bsp_delay, rtems_bsp_delay_in_bus_cycles): Remove.

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This commit is contained in:
Ralf Corsepius
2005-02-15 14:29:14 +00:00
parent 661991a652
commit fe3af4cce5
2 changed files with 0 additions and 59 deletions
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cpukit/score/cpu/powerpc/rtems/old-exceptions/cpu.h
-32
View File
@@ -795,38 +795,6 @@ void _CPU_ISR_install_raw_handler(
/* end of ISR handler macros */
/*
* Simple spin delay in microsecond units for device drivers.
* This is very dependent on the clock speed of the target.
*/
#ifndef ASM
#define CPU_Get_timebase_low( _value ) \
asm volatile( "mftb %0" : "=r" (_value) )
#define rtems_bsp_delay( _microseconds ) \
do { \
uint32_t start, ticks, now; \
CPU_Get_timebase_low( start ) ; \
ticks = (_microseconds) * _CPU_Table.clicks_per_usec; \
do \
CPU_Get_timebase_low( now ) ; \
while (now - start < ticks); \
} while (0)
#define rtems_bsp_delay_in_bus_cycles( _cycles ) \
do { \
uint32_t start, now; \
CPU_Get_timebase_low( start ); \
do \
CPU_Get_timebase_low( now ); \
while (now - start < (_cycles)); \
} while (0)
#endif
/* Context handler macros */
/*
cpukit/score/cpu/powerpc/rtems/powerpc/registers.h
-27
View File
@@ -343,33 +343,6 @@ static inline void PPC_Set_timebase_register (uint64_t tbr)
/* end of ISR handler macros */
/*
* Simple spin delay in microsecond units for device drivers.
* This is very dependent on the clock speed of the target.
*/
#define CPU_Get_timebase_low( _value ) \
asm volatile( "mftb %0" : "=r" (_value) )
#define rtems_bsp_delay( _microseconds ) \
do { \
uint32_t start, ticks, now; \
CPU_Get_timebase_low( start ) ; \
ticks = (_microseconds) * rtems_cpu_configuration_get_clicks_per_usec(); \
do \
CPU_Get_timebase_low( now ) ; \
while (now - start < ticks); \
} while (0)
#define rtems_bsp_delay_in_bus_cycles( _cycles ) \
do { \
uint32_t start, now; \
CPU_Get_timebase_low( start ); \
do \
CPU_Get_timebase_low( now ); \
while (now - start < (_cycles)); \
} while (0)
#define PPC_Set_decrementer( _clicks ) \
do { \
asm volatile( "mtdec %0" : : "r" ((_clicks)) ); \