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Moved PPC_Set_decrementer() and PPC_Get_timebase_register() to

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old_exception_processing tree.
This commit is contained in:
Joel Sherrill
1999-12-21 20:29:40 +00:00
parent 56018097d4
commit ed46b47fab
3 changed files with 0 additions and 96 deletions
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32
c/src/exec/score/cpu/powerpc/new_exception_processing/cpu.h
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@@ -938,38 +938,6 @@ static inline unsigned int CPU_swap_u32(
#define CPU_swap_u16( value ) \ #define CPU_swap_u16( value ) \
(((value&0xff) << 8) | ((value >> 8)&0xff)) (((value&0xff) << 8) | ((value >> 8)&0xff))
/*
* Routines to access the decrementer register
*/
#define PPC_Set_decrementer( _clicks ) \
do { \
asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \
} while (0)
/*
* Routines to access the time base register
*/
static inline unsigned64 PPC_Get_timebase_register( void )
{
unsigned32 tbr_low;
unsigned32 tbr_high;
unsigned32 tbr_high_old;
unsigned64 tbr;
do {
asm volatile( "mftbu %0" : "=r" (tbr_high_old));
asm volatile( "mftb %0" : "=r" (tbr_low));
asm volatile( "mftbu %0" : "=r" (tbr_high));
} while ( tbr_high_old != tbr_high );
tbr = tbr_high;
tbr <<= 32;
tbr |= tbr_low;
return tbr;
}
#endif /* ndef ASM */ #endif /* ndef ASM */
#ifdef __cplusplus #ifdef __cplusplus

32
c/src/lib/libbsp/powerpc/support/new_exception_processing/cpu.h
View File

@@ -938,38 +938,6 @@ static inline unsigned int CPU_swap_u32(
#define CPU_swap_u16( value ) \ #define CPU_swap_u16( value ) \
(((value&0xff) << 8) | ((value >> 8)&0xff)) (((value&0xff) << 8) | ((value >> 8)&0xff))
/*
* Routines to access the decrementer register
*/
#define PPC_Set_decrementer( _clicks ) \
do { \
asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \
} while (0)
/*
* Routines to access the time base register
*/
static inline unsigned64 PPC_Get_timebase_register( void )
{
unsigned32 tbr_low;
unsigned32 tbr_high;
unsigned32 tbr_high_old;
unsigned64 tbr;
do {
asm volatile( "mftbu %0" : "=r" (tbr_high_old));
asm volatile( "mftb %0" : "=r" (tbr_low));
asm volatile( "mftbu %0" : "=r" (tbr_high));
} while ( tbr_high_old != tbr_high );
tbr = tbr_high;
tbr <<= 32;
tbr |= tbr_low;
return tbr;
}
#endif /* ndef ASM */ #endif /* ndef ASM */
#ifdef __cplusplus #ifdef __cplusplus

32
c/src/lib/libcpu/powerpc/new_exception_processing/cpu.h
View File

@@ -938,38 +938,6 @@ static inline unsigned int CPU_swap_u32(
#define CPU_swap_u16( value ) \ #define CPU_swap_u16( value ) \
(((value&0xff) << 8) | ((value >> 8)&0xff)) (((value&0xff) << 8) | ((value >> 8)&0xff))
/*
* Routines to access the decrementer register
*/
#define PPC_Set_decrementer( _clicks ) \
do { \
asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \
} while (0)
/*
* Routines to access the time base register
*/
static inline unsigned64 PPC_Get_timebase_register( void )
{
unsigned32 tbr_low;
unsigned32 tbr_high;
unsigned32 tbr_high_old;
unsigned64 tbr;
do {
asm volatile( "mftbu %0" : "=r" (tbr_high_old));
asm volatile( "mftb %0" : "=r" (tbr_low));
asm volatile( "mftbu %0" : "=r" (tbr_high));
} while ( tbr_high_old != tbr_high );
tbr = tbr_high;
tbr <<= 32;
tbr |= tbr_low;
return tbr;
}
#endif /* ndef ASM */ #endif /* ndef ASM */
#ifdef __cplusplus #ifdef __cplusplus