| Line 23... |
Line 23... |
__asm__ volatile ("lda [%r1]%2,%0" : "=r" (val) : "rJ" (LOC), "I" (ASI)); \
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__asm__ volatile ("lda [%r1]%2,%0" : "=r" (val) : "rJ" (LOC), "I" (ASI)); \
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val; \
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val; \
|
})
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})
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|
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#define write_asi(ASI, LOC, VAL) \
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#define write_asi(ASI, LOC, VAL) \
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__asm__ volatile ("sta %0,[%r1]%2" : : "r" (VAL), "rJ" (LOC), "I" (ASI));
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__asm__ volatile ("sta %0,[%r1]%2" : : "r" (VAL), "rJ" (LOC), "I" (ASI))
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|
|
/* Use this when modifying registers that cause memory to be modified. This
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/* Use this when modifying registers that cause memory to be modified. This
|
will cause GCC to reload all values after this point. */
|
will cause GCC to reload all values after this point. */
|
|
|
#define write_asi_volatile(ASI, LOC, VAL) \
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#define write_asi_volatile(ASI, LOC, VAL) \
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__asm__ volatile ("sta %0,[%r1]%2" : : "r" (VAL), "rJ" (LOC), "I" (ASI) \
|
__asm__ volatile ("sta %0,[%r1]%2" : : "r" (VAL), "rJ" (LOC), "I" (ASI) \
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: "memory");
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: "memory")
|
|
|
/* Read the PSR (processor state register). */
|
/* Read the PSR (processor state register). */
|
|
|
#define read_psr() \
|
#define read_psr() \
|
({ \
|
({ \
|
| Line 44... |
Line 44... |
})
|
})
|
|
|
/* Write the PSR. */
|
/* Write the PSR. */
|
|
|
#define write_psr(VAL) \
|
#define write_psr(VAL) \
|
__asm__ ("mov %0, %%psr \n nop \n nop \n nop" : : "r" (VAL));
|
__asm__ ("mov %0, %%psr \n nop \n nop \n nop" : : "r" (VAL))
|
|
|
|
/* Read the specified Ancillary State Register. */
|
|
|
|
#define read_asr(REG) read_asr1(REG)
|
|
#define read_asr1(REG) \
|
|
({ \
|
|
unsigned int val; \
|
|
__asm__ ("rd %%asr" #REG ",%0" : "=r" (val)); \
|
|
val; \
|
|
})
|
|
|
|
/* Write the specified Ancillary State Register. */
|
|
|
|
#define write_asr(REG, VAL) write_asr1(REG, VAL)
|
|
#define write_asr1(REG, VAL) \
|
|
__asm__ ("wr %0, 0, %%asr" #REG : : "r" (VAL))
|
|
|
/* Set window size for window overflow and underflow trap handlers. Better to
|
/* Set window size for window overflow and underflow trap handlers. Better to
|
do this at at compile time than to calculate them at compile time each time
|
do this at at compile time than to calculate them at compile time each time
|
we get a window overflow/underflow trap. */
|
we get a window overflow/underflow trap. */
|
|
|
