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68 | 68 | ||
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 | /** @} |