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powerpc: Use wrtee for e6500 multilib

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This reduces the code size.
This commit is contained in:
Sebastian Huber
2015-10-02 07:30:13 +02:00
parent f91fbbf4b8
commit 08317ef3ff
1 changed files with 17 additions and 0 deletions
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17
cpukit/score/cpu/powerpc/rtems/powerpc/registers.h
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@@ -620,6 +620,14 @@ static inline uint32_t ppc_interrupt_get_disable_mask( void )
static inline uint32_t ppc_interrupt_disable( void ) static inline uint32_t ppc_interrupt_disable( void )
{ {
uint32_t level; uint32_t level;
#if defined(__PPC_CPU_E6500__)
__asm__ volatile (
"mfmsr %0;"
"wrteei 0"
: "=r" (level)
);
#else
uint32_t mask; uint32_t mask;
__asm__ volatile ( __asm__ volatile (
@@ -630,17 +638,26 @@ static inline uint32_t ppc_interrupt_disable( void )
"mtmsr %1" "mtmsr %1"
: "=r" (level), "=r" (mask) : "=r" (level), "=r" (mask)
); );
#endif
return level; return level;
} }
static inline void ppc_interrupt_enable( uint32_t level ) static inline void ppc_interrupt_enable( uint32_t level )
{ {
#if defined(__PPC_CPU_E6500__)
__asm__ volatile (
"wrtee %0"
:
: "r" (level)
);
#else
__asm__ volatile ( __asm__ volatile (
"mtmsr %0" "mtmsr %0"
: :
: "r" (level) : "r" (level)
); );
#endif
} }
static inline void ppc_interrupt_flash( uint32_t level ) static inline void ppc_interrupt_flash( uint32_t level )