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| 69 | #endif |
69 | #endif |
| 70 | 70 | ||
| 71 | #ifdef __ASM__ |
71 | #ifdef __ASM__ |
| 72 | 72 | ||
| 73 | /* |
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| 74 | * Computes the pointer to the kstack_wbuf_ptr structure of the current CPU. |
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| 75 | * |
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| 76 | * Parameters: |
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| 77 | * tmpreg1 global register to be used for scratching purposes |
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| 78 | * result register where the resulting pointer will be saved |
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| 79 | */ |
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| 80 | .macro get_kstack_wbuf_ptr tmpreg1, result |
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| 81 | ! load CPUID to tmpreg1 |
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| 82 | or %g0, SCRATCHPAD_CPUID, \tmpreg1 |
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| 83 | ldxa [\tmpreg1] ASI_SCRATCHPAD, \tmpreg1 |
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| 84 | - | ||
| 85 | ! compute offset within the array of kstack_wbuf_ptr structures (each |
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| 86 | ! such structure is 16 bytes long) |
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| 87 | mulx \tmpreg1, KSTACK_WBUF_PTR_SIZE, \tmpreg1 |
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| 88 | - | ||
| 89 | ! compute the pointer to the structure for the current CPU |
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| 90 | sethi %hi(kstack_wbuf_ptrs), \result |
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| 91 | or \result, %lo(kstack_wbuf_ptrs), \result |
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| 92 | add \result, \tmpreg1, \result |
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| 93 | .endm |
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| 94 | - | ||
| 95 | #endif |
73 | #endif |
| 96 | 74 | ||
| 97 | #endif |
75 | #endif |
| 98 | 76 | ||
| 99 | /** @} |
77 | /** @} |