diff options
Diffstat (limited to 'arch/sparc/mm')
| -rw-r--r-- | arch/sparc/mm/leon_mm.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/sparc/mm/leon_mm.c b/arch/sparc/mm/leon_mm.c index 7e2bed737ef..4c67ae6e502 100644 --- a/arch/sparc/mm/leon_mm.c +++ b/arch/sparc/mm/leon_mm.c @@ -20,6 +20,18 @@ int leon_flush_during_switch = 1; int srmmu_swprobe_trace; +static inline unsigned long leon_get_ctable_ptr(void) +{ + unsigned int retval; + + __asm__ __volatile__("lda [%1] %2, %0\n\t" : + "=r" (retval) : + "r" (SRMMU_CTXTBL_PTR), + "i" (ASI_LEON_MMUREGS)); + return (retval & SRMMU_CTX_PMASK) << 4; +} + + unsigned long srmmu_swprobe(unsigned long vaddr, unsigned long *paddr) { @@ -35,10 +47,10 @@ unsigned long srmmu_swprobe(unsigned long vaddr, unsigned long *paddr) if (srmmu_swprobe_trace) printk(KERN_INFO "swprobe: trace on\n"); - ctxtbl = srmmu_get_ctable_ptr(); + ctxtbl = leon_get_ctable_ptr(); if (!(ctxtbl)) { if (srmmu_swprobe_trace) - printk(KERN_INFO "swprobe: srmmu_get_ctable_ptr returned 0=>0\n"); + printk(KERN_INFO "swprobe: leon_get_ctable_ptr returned 0=>0\n"); return 0; } if (!_pfn_valid(PFN(ctxtbl))) { |