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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/powerpc/kvm/book3s_64_slb.S | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
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.S | 167 |
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 |