4.104.114.84.95
Last change
on this file since 98f3cfa was
acc25ee,
checked in by Joel Sherrill <joel.sherrill@…>, on 12/02/99 at 14:31:19
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Merged of mcp750 and mvme2307 BSP by Eric Valette <valette@…>.
As part of this effort, the mpc750 libcpu code is now shared with the
ppc6xx.
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-
Property mode set to
100644
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File size:
265 bytes
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Line | |
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1 | RTEMS_INLINE_ROUTINE boolean _ISR_Is_in_progress( void ) |
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2 | { |
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3 | register unsigned int isr_nesting_level; |
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4 | /* |
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5 | * Move from special purpose register 0 (mfspr SPRG0, r3) |
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6 | */ |
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7 | asm volatile ("mfspr %0, 272" : "=r" (isr_nesting_level)); |
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8 | return isr_nesting_level; |
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9 | } |
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