ref: a39ae178fcc4387fe63efea4d15b34d52f4a13de
dir: /emu/Solaris/asm-sparc.s/
.section ".text", #alloc, #execinstr .align 8 .skip 16 .global segflush .type segflush, #function ! The flush instruction works on 8-byte chunks. ! We truncate the pointer and increase the count ! to make sure we flush the right range. ! SPARC requires 5 instructions after flush to ! let the caches settle. The loop code supplies ! the delay instructions. segflush: ! int segflush(void *p, ulong len) and %o0,-8,%o0 ! clear low 3 bits of p add %o1, 7, %o1 ! len += 7 1: flush %o0 ! synchronize cache sub %o1, 8, %o1 ! len -= 8 cmp %o1, 0 ! if len > 0, repeat bg 1b add %o0, 8, %o0 ! p += 8 in delay slot retl add %g0, %g0, %o0 ! return 0 .size segflush,(.-segflush) .section ".text", #alloc, #execinstr .align 8 .skip 16 .global FPsave .type FPsave, #function FPsave: retl st %fsr,[%o0] .size FPsave,(.-FPsave) .section ".text", #alloc, #execinstr .align 8 .skip 16 .global FPrestore .type FPrestore, #function FPrestore: retl ld [%o0],%fsr .size FPrestore,(.-FPrestore) .section ".text", #alloc, #execinstr .align 8 .skip 16 .global getcallerpc .type getcallerpc, #function getcallerpc: ! ignore argument retl add %i7,0,%o0 .size getcallerpc,(.-getcallerpc) .section ".text", #alloc, #execinstr .align 8 .skip 16 .global _tas .type _tas, #function _tas: or %g0,1,%o1 swap [%o0],%o1 retl or %g0,%o1,%o0 .size _tas,(.-_tas)