Date: Sun, 13 Apr 2003 15:22:24 -0700 (PDT) From: Marcel Moolenaar <marcel@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 28891 for review Message-ID: <200304132222.h3DMMOmg025864@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=28891 Change 28891 by marcel@marcel_nfs on 2003/04/13 15:22:23 Disable the high FP registers by default. While here, add some explicit bundling. Affected files ... .. //depot/projects/ia64_epc/sys/ia64/ia64/locore.s#9 edit Differences ... ==== //depot/projects/ia64_epc/sys/ia64/ia64/locore.s#9 (text+ko) ==== @@ -51,22 +51,33 @@ * register r8. */ ENTRY(__start, 1) +{ .mlx mov ar.rsc=0 movl r16=ia64_vector_table // set up IVT early ;; +} +{ .mlx mov cr.iva=r16 movl r16=kstack ;; +} +{ .mmi srlz.i ;; + ssm IA64_PSR_DFH mov r17=KSTACK_PAGES*PAGE_SIZE-SIZEOF_PCB-SIZEOF_TRAPFRAME-16 ;; +} +{ .mlx add sp=r16,r17 // proc0's stack movl gp=__gp // find kernel globals ;; +} +{ .mlx mov ar.bspstore=r16 // switch backing store movl r16=pa_bootinfo ;; +} st8 [r16]=r8 // save the PA of the bootinfo block loadrs // invalidate regs ;; @@ -107,7 +118,7 @@ .prologue .save rp,r0 .body - + br.call.sptk.many rp=mi_startup // Should never happen @@ -277,7 +288,7 @@ ;; 1: mov r16 = ip add r17 = 2f-1b, r17 - movl r18 = (IA64_PSR_AC|IA64_PSR_DT|IA64_PSR_RT|IA64_PSR_IT|IA64_PSR_BN) + movl r18 = (IA64_PSR_AC|IA64_PSR_BN|IA64_PSR_DFH|IA64_PSR_DT|IA64_PSR_IT|IA64_PSR_RT) ;; add r17 = r17, r16 mov cr.ipsr = r18
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