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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/powerpc/kvm/book3s_64_slb.S
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/kvm/book3s_64_slb.S')
-rw-r--r--ANDROID_3.4.5/arch/powerpc/kvm/book3s_64_slb.S167
1 files changed, 0 insertions, 167 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/kvm/book3s_64_slb.S b/ANDROID_3.4.5/arch/powerpc/kvm/book3s_64_slb.S
deleted file mode 100644
index f2e6e48e..00000000
--- a/ANDROID_3.4.5/arch/powerpc/kvm/book3s_64_slb.S
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * Copyright SUSE Linux Products GmbH 2009
- *
- * Authors: Alexander Graf <agraf@suse.de>
- */
-
-#define SHADOW_SLB_ESID(num) (SLBSHADOW_SAVEAREA + (num * 0x10))
-#define SHADOW_SLB_VSID(num) (SLBSHADOW_SAVEAREA + (num * 0x10) + 0x8)
-#define UNBOLT_SLB_ENTRY(num) \
- ld r9, SHADOW_SLB_ESID(num)(r12); \
- /* Invalid? Skip. */; \
- rldicl. r0, r9, 37, 63; \
- beq slb_entry_skip_ ## num; \
- xoris r9, r9, SLB_ESID_V@h; \
- std r9, SHADOW_SLB_ESID(num)(r12); \
- slb_entry_skip_ ## num:
-
-#define REBOLT_SLB_ENTRY(num) \
- ld r10, SHADOW_SLB_ESID(num)(r11); \
- cmpdi r10, 0; \
- beq slb_exit_skip_ ## num; \
- oris r10, r10, SLB_ESID_V@h; \
- ld r9, SHADOW_SLB_VSID(num)(r11); \
- slbmte r9, r10; \
- std r10, SHADOW_SLB_ESID(num)(r11); \
-slb_exit_skip_ ## num:
-
-/******************************************************************************
- * *
- * Entry code *
- * *
- *****************************************************************************/
-
-.macro LOAD_GUEST_SEGMENTS
-
- /* Required state:
- *
- * MSR = ~IR|DR
- * R13 = PACA
- * R1 = host R1
- * R2 = host R2
- * R3 = shadow vcpu
- * all other volatile GPRS = free except R4, R6
- * SVCPU[CR] = guest CR
- * SVCPU[XER] = guest XER
- * SVCPU[CTR] = guest CTR
- * SVCPU[LR] = guest LR
- */
-
- /* Remove LPAR shadow entries */
-
-#if SLB_NUM_BOLTED == 3
-
- ld r12, PACA_SLBSHADOWPTR(r13)
-
- /* Save off the first entry so we can slbie it later */
- ld r10, SHADOW_SLB_ESID(0)(r12)
- ld r11, SHADOW_SLB_VSID(0)(r12)
-
- /* Remove bolted entries */
- UNBOLT_SLB_ENTRY(0)
- UNBOLT_SLB_ENTRY(1)
- UNBOLT_SLB_ENTRY(2)
-
-#else
-#error unknown number of bolted entries
-#endif
-
- /* Flush SLB */
-
- slbia
-
- /* r0 = esid & ESID_MASK */
- rldicr r10, r10, 0, 35
- /* r0 |= CLASS_BIT(VSID) */
- rldic r12, r11, 56 - 36, 36
- or r10, r10, r12
- slbie r10
-
- isync
-
- /* Fill SLB with our shadow */
-
- lbz r12, SVCPU_SLB_MAX(r3)
- mulli r12, r12, 16
- addi r12, r12, SVCPU_SLB
- add r12, r12, r3
-
- /* for (r11 = kvm_slb; r11 < kvm_slb + kvm_slb_size; r11+=slb_entry) */
- li r11, SVCPU_SLB
- add r11, r11, r3
-
-slb_loop_enter:
-
- ld r10, 0(r11)
-
- rldicl. r0, r10, 37, 63
- beq slb_loop_enter_skip
-
- ld r9, 8(r11)
- slbmte r9, r10
-
-slb_loop_enter_skip:
- addi r11, r11, 16
- cmpd cr0, r11, r12
- blt slb_loop_enter
-
-slb_do_enter:
-
-.endm
-
-/******************************************************************************
- * *
- * Exit code *
- * *
- *****************************************************************************/
-
-.macro LOAD_HOST_SEGMENTS
-
- /* Register usage at this point:
- *
- * R1 = host R1
- * R2 = host R2
- * R12 = exit handler id
- * R13 = shadow vcpu - SHADOW_VCPU_OFF [=PACA on PPC64]
- * SVCPU.* = guest *
- * SVCPU[CR] = guest CR
- * SVCPU[XER] = guest XER
- * SVCPU[CTR] = guest CTR
- * SVCPU[LR] = guest LR
- *
- */
-
- /* Restore bolted entries from the shadow and fix it along the way */
-
- /* We don't store anything in entry 0, so we don't need to take care of it */
- slbia
- isync
-
-#if SLB_NUM_BOLTED == 3
-
- ld r11, PACA_SLBSHADOWPTR(r13)
-
- REBOLT_SLB_ENTRY(0)
- REBOLT_SLB_ENTRY(1)
- REBOLT_SLB_ENTRY(2)
-
-#else
-#error unknown number of bolted entries
-#endif
-
-slb_do_exit:
-
-.endm