mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-12-23 12:03:41 +01:00
43 lines
827 B
ArmAsm
43 lines
827 B
ArmAsm
#if defined(__ia64__)
|
|
|
|
.global flush_cache
|
|
|
|
.proc flush_cache
|
|
flush_cache:
|
|
.prologue
|
|
alloc r2=ar.pfs,2,0,0,0
|
|
add r8=31,in1 // round up to 32 byte-boundary
|
|
;;
|
|
shr.u r8=r8,5 // we flush 32 bytes per iteration
|
|
;;
|
|
add r8=-1,r8
|
|
.save ar.lc, r3
|
|
mov r3=ar.lc // save ar.lc
|
|
;;
|
|
.body
|
|
|
|
mov ar.lc=r8
|
|
;;
|
|
.loop: fc in0 // issuable on M0 only
|
|
add in0=32,in0
|
|
br.cloop.sptk.few .loop
|
|
;;
|
|
sync.i
|
|
;;
|
|
srlz.i
|
|
;;
|
|
mov ar.lc=r3 // restore ar.lc
|
|
br.ret.sptk.many rp
|
|
.endp flush_cache
|
|
|
|
#elif defined(__i386__)
|
|
|
|
.globl flush_cache
|
|
flush_cache:
|
|
ret
|
|
|
|
#elif
|
|
|
|
# error Need flush_cache code for this architecture.
|
|
|
|
#endif
|