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| author | Ralf Baechle <ralf@linux-mips.org> | 2012-12-20 12:47:51 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2012-12-27 16:27:35 +0100 |
| commit | 9120963578320532dfb3a9a7947e8d05b39900b5 (patch) | |
| tree | 3a94527080e7013b976be1820e633985e4fe25bb /arch/mips | |
| parent | 4457af67337112733b65a66c3d56ca5518e1adbb (diff) | |
| download | blackbird-op-linux-9120963578320532dfb3a9a7947e8d05b39900b5.tar.gz blackbird-op-linux-9120963578320532dfb3a9a7947e8d05b39900b5.zip | |
Revert "MIPS: Optimise TLB handlers for MIPS32/64 R2 cores."
This reverts commit ff401e52100dcdc85e572d1ad376d3307b3fe28e.
This breaks on MIPS64 R2 cores such as Broadcom's.
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/mm/tlbex.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 05613355627b..1c8ac49ec72c 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -976,13 +976,6 @@ build_get_pgde32(u32 **p, unsigned int tmp, unsigned int ptr) #endif uasm_i_mfc0(p, tmp, C0_BADVADDR); /* get faulting address */ uasm_i_lw(p, ptr, uasm_rel_lo(pgdc), ptr); - - if (cpu_has_mips_r2) { - uasm_i_ext(p, tmp, tmp, PGDIR_SHIFT, (32 - PGDIR_SHIFT)); - uasm_i_ins(p, ptr, tmp, PGD_T_LOG2, (32 - PGDIR_SHIFT)); - return; - } - uasm_i_srl(p, tmp, tmp, PGDIR_SHIFT); /* get pgd only bits */ uasm_i_sll(p, tmp, tmp, PGD_T_LOG2); uasm_i_addu(p, ptr, ptr, tmp); /* add in pgd offset */ @@ -1018,15 +1011,6 @@ static void __cpuinit build_adjust_context(u32 **p, unsigned int ctx) static void __cpuinit build_get_ptep(u32 **p, unsigned int tmp, unsigned int ptr) { - if (cpu_has_mips_r2) { - /* PTE ptr offset is obtained from BadVAddr */ - UASM_i_MFC0(p, tmp, C0_BADVADDR); - UASM_i_LW(p, ptr, 0, ptr); - uasm_i_ext(p, tmp, tmp, PAGE_SHIFT+1, PGDIR_SHIFT-PAGE_SHIFT-1); - uasm_i_ins(p, ptr, tmp, PTE_T_LOG2+1, PGDIR_SHIFT-PAGE_SHIFT-1); - return; - } - /* * Bug workaround for the Nevada. It seems as if under certain * circumstances the move from cp0_context might produce a |
