[src/trunk]: src/sys/arch/sparc64/sparc64 sun4v: introduce macros for handlin...

[palle <palle%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/fe3c916bce3b
branches:  trunk
changeset: 448760:fe3c916bce3b
user:      palle <palle%NetBSD.org@localhost>
date:      Fri Feb 08 19:45:24 2019 +0000

description:
sun4v: introduce macros for handling spill traps from userlevevel @ traplevel 1 (from OpenBSD) - spill traps at level 1 from userspace now works better

diffstat:

 sys/arch/sparc64/sparc64/locore.s |  26 +++++++++++++++++++-------
 1 files changed, 19 insertions(+), 7 deletions(-)

diffs (52 lines):

diff -r 0a8f49cae0a7 -r fe3c916bce3b sys/arch/sparc64/sparc64/locore.s
--- a/sys/arch/sparc64/sparc64/locore.s Fri Feb 08 19:26:25 2019 +0000
+++ b/sys/arch/sparc64/sparc64/locore.s Fri Feb 08 19:45:24 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.s,v 1.416 2019/02/08 19:26:25 palle Exp $       */
+/*     $NetBSD: locore.s,v 1.417 2019/02/08 19:45:24 palle Exp $       */
 
 /*
  * Copyright (c) 2006-2010 Matthew R. Green
@@ -227,6 +227,18 @@
        LDPTR   [\reg + %lo(CPUINFO_VA + CI_TSB_DMMU)], \reg
        .endm
 
+       .macro sun4v_tl1_uspill_normal
+       ba,a,pt %xcc, pcbspill_normals
+        nop
+       .align 128
+       .endm
+
+       .macro sun4v_tl1_uspill_other
+       ba,a,pt %xcc, pcbspill_others
+        nop
+       .align 128
+       .endm
+       
 #endif
                
 #if 1
@@ -1155,17 +1167,17 @@
        sun4v_trap_entry 56                                     ! 0x034-0x06b
        VTRAP(T_FDMMU_PROT, sun4v_tl1_dtsb_prot)                ! 0x06c
        sun4v_trap_entry 19                                     ! 0x06d-0x07f
-       SPILL64(uspill8_sun4vt1,ASI_AIUS)                       ! 0x080 spill_0_normal -- save user windows
-       SPILL32(uspill4_sun4vt1,ASI_AIUS)                       ! 0x084 spill_1_normal
-       SPILLBOTH(uspill8_sun4vt1,uspill4_sun4vt1,ASI_AIUS)     ! 0x088 spill_2_normal
+       sun4v_tl1_uspill_normal                                 ! 0x080 spill_0_normal -- save user windows
+       sun4v_tl1_uspill_normal                                 ! 0x084 spill_1_normal
+       sun4v_tl1_uspill_normal                                 ! 0x088 spill_2_normal
        sun4v_trap_entry_spill_fill_fail 1                      ! 0x08c spill_3_normal
        SPILL64(kspill8_sun4vt1,ASI_N)                          ! 0x090 spill_4_normal -- save supervisor windows
        SPILL32(kspill4_sun4vt1,ASI_N)                          ! 0x094 spill_5_normal
        SPILLBOTH(kspill8_sun4vt1,kspill4_sun4vt1,ASI_N)        ! 0x098 spill_6_normal
        sun4v_trap_entry_spill_fill_fail 1                      ! 0x09c spill_7_normal
-       SPILL64(uspillk8_sun4vt1,ASI_AIUS)                      ! 0x0a0 spill_0_other -- save user windows in nucleus mode
-       SPILL32(uspillk4_sun4vt1,ASI_AIUS)                      ! 0x0a4 spill_1_other
-       SPILLBOTH(uspillk8_sun4vt1,uspillk4_sun4vt1,ASI_AIUS)   ! 0x0a8 spill_2_other
+       sun4v_tl1_uspill_other                                  ! 0x0a0 spill_0_other -- save user windows in nucleus mode
+       sun4v_tl1_uspill_other                                  ! 0x0a4 spill_1_other
+       sun4v_tl1_uspill_other                                  ! 0x0a8 spill_2_other
        sun4v_trap_entry_spill_fill_fail 1                      ! 0x0ac spill_3_other
        sun4v_trap_entry_spill_fill_fail 1                      ! 0x0b0 spill_4_other
        sun4v_trap_entry_spill_fill_fail 1                      ! 0x0b4 spill_5_other