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ARC: Diagnostics: show_regs() etc

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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta
2013-01-18 15:12:23 +05:30
parent fa1c3ff935
commit 0ef88a54aa
2 changed files with 325 additions and 0 deletions
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20
arch/arc/mm/tlbex.S
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@@ -133,6 +133,14 @@ ex_saved_reg1:
lsr r0, r2, (PAGE_SHIFT - 2)
and r0, r0, ( (PTRS_PER_PTE - 1) << 2)
ld.aw r0, [r1, r0] ; get PTE and PTE ptr for fault addr
#ifdef CONFIG_ARC_DBG_TLB_MISS_COUNT
and.f 0, r0, _PAGE_PRESENT
bz 1f
ld r2, [num_pte_not_present]
add r2, r2, 1
st r2, [num_pte_not_present]
1:
#endif
.endm
@@ -219,6 +227,12 @@ ARC_ENTRY EV_TLBMissI
TLBMISS_FREEUP_REGS
#ifdef CONFIG_ARC_DBG_TLB_MISS_COUNT
ld r0, [@numitlb]
add r0, r0, 1
st r0, [@numitlb]
#endif
;----------------------------------------------------------------
; Get the PTE corresponding to V-addr accessed
LOAD_FAULT_PTE
@@ -252,6 +266,12 @@ ARC_ENTRY EV_TLBMissD
TLBMISS_FREEUP_REGS
#ifdef CONFIG_ARC_DBG_TLB_MISS_COUNT
ld r0, [@numdtlb]
add r0, r0, 1
st r0, [@numdtlb]
#endif
;----------------------------------------------------------------
; Get the PTE corresponding to V-addr accessed
; If PTE exists, it will setup, r0 = PTE, r1 = Ptr to PTE