Blackfin arch: fix bug - traps test case 19 for exception 0x2d fails
Enable null pointer checking for ICPLBs. The code was there but for some reason I had commented it out at some stage during development. Should restrict this to 1K since atomic ops start there. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
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@ -63,10 +63,8 @@ void __init generate_cplb_tables_cpu(unsigned int cpu)
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dcplb_tbl[cpu][i_d].addr = 0;
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dcplb_tbl[cpu][i_d++].data = SDRAM_OOPS | PAGE_SIZE_1KB;
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#if 0
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icplb_tbl[cpu][i_i].addr = 0;
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icplb_tbl[cpu][i_i++].data = i_cache | CPLB_USER_RD | PAGE_SIZE_4KB;
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#endif
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icplb_tbl[cpu][i_i++].data = i_cache | CPLB_USER_RD | PAGE_SIZE_1KB;
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/* Cover kernel memory with 4M pages. */
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addr = 0;
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