| #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__) || defined (__x86_64__) |
| |
| .globl flush_cache |
| flush_cache: |
| ret |
| |
| #elif defined(__hppa__) |
| |
| # warning FIX ME!! |
| |
| .globl flush_cache |
| flush_cache: |
| .proc |
| .callinfo |
| bv %r0(%rp) |
| .procend |
| #elif defined(__powerpc64__) |
| # warning IMPLEMENT ME FOR PPC64!! |
| .globl flush_cache |
| flush_cache: |
| lwz 11, 0(1) ; |
| lwz 0, 4(11) ; |
| mtlr 0 ; |
| lwz 31, -4(11) ; |
| mr 1, 11 ; |
| blr |
| #elif defined(__powerpc__) |
| # warning IMPLEMENT ME FOR PPC32!! |
| .globl flush_cache |
| flush_cache: |
| lwz 11, 0(1) ; |
| lwz 0, 4(11) ; |
| mtlr 0 ; |
| lwz 31, -4(11) ; |
| mr 1, 11 ; |
| blr |
| #elif defined(__arm__) |
| .text |
| .globl flush_cache |
| flush_cache: |
| bx lr |
| |
| #else |
| # error Need flush_cache code for this architecture. |
| #endif |
| |
| #if defined ( __linux__) && !defined (__arm__) |
| /* We do not need executable stack. */ |
| .section .note.GNU-stack,"",@progbits |
| #endif |