diff options
| author | Artur Grabowski <art@cvs.openbsd.org> | 2002-06-09 05:55:25 +0000 |
|---|---|---|
| committer | Artur Grabowski <art@cvs.openbsd.org> | 2002-06-09 05:55:25 +0000 |
| commit | 3b27a8145c1c5e833854f0250b59798f0967a91d (patch) | |
| tree | 9c2246a4e553b7e032ef1d21f46b688cee12400c /sys | |
| parent | b13c289929e257cab1b006c9729ba42cb1a36e43 (diff) | |
zap EMBMEDANY leftovers (all the comments were wrong).
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/sparc64/sparc64/locore.s | 22 |
1 files changed, 1 insertions, 21 deletions
diff --git a/sys/arch/sparc64/sparc64/locore.s b/sys/arch/sparc64/sparc64/locore.s index 23ebe77c210..1b2469b33c0 100644 --- a/sys/arch/sparc64/sparc64/locore.s +++ b/sys/arch/sparc64/sparc64/locore.s @@ -1,4 +1,4 @@ -/* $OpenBSD: locore.s,v 1.16 2002/06/08 21:54:49 mdw Exp $ */ +/* $OpenBSD: locore.s,v 1.17 2002/06/09 05:55:24 art Exp $ */ /* $NetBSD: locore.s,v 1.137 2001/08/13 06:10:10 jdolecek Exp $ */ /* @@ -3120,9 +3120,6 @@ Ldatafault_internal: .text 2: #endif - !! In the EMBEDANY memory model %g4 points to the start of the data segment. - !! In our case we need to clear it before calling any C-code - clr %g4 /* * Right now the registers have the following values: @@ -3364,10 +3361,6 @@ textfault: wr %g0, ASI_PRIMARY_NOFAULT, %asi ! Restore default ASI flushw ! Get rid of any user windows so we don't deadlock - !! In the EMBEDANY memory model %g4 points to the start of the data segment. - !! In our case we need to clear it before calling any C-code - clr %g4 - /* Use trap type to see what handler to call */ cmp %o1, T_INST_ERROR be,pn %xcc, text_error @@ -3484,9 +3477,6 @@ Lslowtrap_reenter: movrlz %g1, %g0, %g1 CHKPT(%g2,%g3,0x24) wrpr %g0, %g1, %tl ! Revert to kernel mode - !! In the EMBEDANY memory model %g4 points to the start of the data segment. - !! In our case we need to clear it before calling any C-code - clr %g4 wr %g0, ASI_PRIMARY_NOFAULT, %asi ! Restore default ASI wrpr %g0, PSTATE_INTR, %pstate ! traps on again @@ -3866,9 +3856,6 @@ syscall_setup: stb %g5, [%sp + CC64FSZ + STKB + TF_PIL] stb %g5, [%sp + CC64FSZ + STKB + TF_OLDPIL] - !! In the EMBEDANY memory model %g4 points to the start of the data segment. - !! In our case we need to clear it before calling any C-code - clr %g4 wr %g0, ASI_PRIMARY_NOFAULT, %asi ! Restore default ASI call _C_LABEL(syscall) ! syscall(&tf, code, pc) @@ -4251,13 +4238,6 @@ _C_LABEL(sparc_interrupt): stx %g6, [%sp + CC64FSZ + STKB + TF_G + ( 6*8)] stx %g7, [%sp + CC64FSZ + STKB + TF_G + ( 7*8)] - /* - * In the EMBEDANY memory model %g4 points to the start of the - * data segment. In our case we need to clear it before calling - * any C-code. - */ - clr %g4 - flushw ! Do not remove this insn -- causes interrupt loss rd %y, %l6 INCR(_C_LABEL(uvmexp)+V_INTR) ! cnt.v_intr++; (clobbers %o0,%o1,%o2) |