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ARC: entry.S: confine EXCEPTION_* macros to one file

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
hifive-unleashed-5.1
Vineet Gupta 2014-10-13 14:20:39 +05:30
parent f033737e77
commit a615b47dbf
2 changed files with 17 additions and 15 deletions

View File

@ -368,6 +368,22 @@ ENTRY(EV_TLBProtV)
END(EV_TLBProtV)
; Wrapper for Linux page fault handler called from EV_TLBMiss*
; Very similar to ProtV handler case (6a) above, but avoids the extra checks
; for Misaligned access
;
ENTRY(call_do_page_fault)
EXCEPTION_PROLOGUE
lr r0, [efa] ; Faulting Data address
mov r1, sp
FAKE_RET_FROM_EXCPN r9
mov blink, ret_from_exception
b do_page_fault
END(call_do_page_fault)
; ---------------------------------------------
; Privilege Violation Exception Handler
; ---------------------------------------------

View File

@ -366,19 +366,5 @@ do_slow_path_pf:
; Slow path TLB Miss handled as a regular ARC Exception
; (stack switching / save the complete reg-file).
EXCEPTION_PROLOGUE
; ------- setup args for Linux Page fault Hanlder ---------
mov_s r1, sp
lr r0, [efa]
; We don't want exceptions to be disabled while the fault is handled.
; Now that we have saved the context we return from exception hence
; exceptions get re-enable
FAKE_RET_FROM_EXCPN r9
bl do_page_fault
b ret_from_exception
b call_do_page_fault
END(EV_TLBMissD)