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Diffstat (limited to 'arch/powerpc/kvm/book3s_64_emulate.c')
-rw-r--r--arch/powerpc/kvm/book3s_64_emulate.c345
1 files changed, 0 insertions, 345 deletions
diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c
deleted file mode 100644
index 1027eac6d474..000000000000
--- a/arch/powerpc/kvm/book3s_64_emulate.c
+++ /dev/null
@@ -1,345 +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>
- */
-
-#include <asm/kvm_ppc.h>
-#include <asm/disassemble.h>
-#include <asm/kvm_book3s.h>
-#include <asm/reg.h>
-
-#define OP_19_XOP_RFID 18
-#define OP_19_XOP_RFI 50
-
-#define OP_31_XOP_MFMSR 83
-#define OP_31_XOP_MTMSR 146
-#define OP_31_XOP_MTMSRD 178
-#define OP_31_XOP_MTSRIN 242
-#define OP_31_XOP_TLBIEL 274
-#define OP_31_XOP_TLBIE 306
-#define OP_31_XOP_SLBMTE 402
-#define OP_31_XOP_SLBIE 434
-#define OP_31_XOP_SLBIA 498
-#define OP_31_XOP_MFSRIN 659
-#define OP_31_XOP_SLBMFEV 851
-#define OP_31_XOP_EIOIO 854
-#define OP_31_XOP_SLBMFEE 915
-
-/* DCBZ is actually 1014, but we patch it to 1010 so we get a trap */
-#define OP_31_XOP_DCBZ 1010
-
-int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
- unsigned int inst, int *advance)
-{
- int emulated = EMULATE_DONE;
-
- switch (get_op(inst)) {
- case 19:
- switch (get_xop(inst)) {
- case OP_19_XOP_RFID:
- case OP_19_XOP_RFI:
- vcpu->arch.pc = vcpu->arch.srr0;
- kvmppc_set_msr(vcpu, vcpu->arch.srr1);
- *advance = 0;
- break;
-
- default:
- emulated = EMULATE_FAIL;
- break;
- }
- break;
- case 31:
- switch (get_xop(inst)) {
- case OP_31_XOP_MFMSR:
- vcpu->arch.gpr[get_rt(inst)] = vcpu->arch.msr;
- break;
- case OP_31_XOP_MTMSRD:
- {
- ulong rs = vcpu->arch.gpr[get_rs(inst)];
- if (inst & 0x10000) {
- vcpu->arch.msr &= ~(MSR_RI | MSR_EE);
- vcpu->arch.msr |= rs & (MSR_RI | MSR_EE);
- } else
- kvmppc_set_msr(vcpu, rs);
- break;
- }
- case OP_31_XOP_MTMSR:
- kvmppc_set_msr(vcpu, vcpu->arch.gpr[get_rs(inst)]);
- break;
- case OP_31_XOP_MFSRIN:
- {
- int srnum;
-
- srnum = (vcpu->arch.gpr[get_rb(inst)] >> 28) & 0xf;
- if (vcpu->arch.mmu.mfsrin) {
- u32 sr;
- sr = vcpu->arch.mmu.mfsrin(vcpu, srnum);
- vcpu->arch.gpr[get_rt(inst)] = sr;
- }
- break;
- }
- case OP_31_XOP_MTSRIN:
- vcpu->arch.mmu.mtsrin(vcpu,
- (vcpu->arch.gpr[get_rb(inst)] >> 28) & 0xf,
- vcpu->arch.gpr[get_rs(inst)]);
- break;
- case OP_31_XOP_TLBIE:
- case OP_31_XOP_TLBIEL:
- {
- bool large = (inst & 0x00200000) ? true : false;
- ulong addr = vcpu->arch.gpr[get_rb(inst)];
- vcpu->arch.mmu.tlbie(vcpu, addr, large);
- break;
- }
- case OP_31_XOP_EIOIO:
- break;
- case OP_31_XOP_SLBMTE:
- if (!vcpu->arch.mmu.slbmte)
- return EMULATE_FAIL;
-
- vcpu->arch.mmu.slbmte(vcpu, vcpu->arch.gpr[get_rs(inst)],
- vcpu->arch.gpr[get_rb(inst)]);
- break;
- case OP_31_XOP_SLBIE:
- if (!vcpu->arch.mmu.slbie)
- return EMULATE_FAIL;
-
- vcpu->arch.mmu.slbie(vcpu, vcpu->arch.gpr[get_rb(inst)]);
- break;
- case OP_31_XOP_SLBIA:
- if (!vcpu->arch.mmu.slbia)
- return EMULATE_FAIL;
-
- vcpu->arch.mmu.slbia(vcpu);
- break;
- case OP_31_XOP_SLBMFEE:
- if (!vcpu->arch.mmu.slbmfee) {
- emulated = EMULATE_FAIL;
- } else {
- ulong t, rb;
-
- rb = vcpu->arch.gpr[get_rb(inst)];
- t = vcpu->arch.mmu.slbmfee(vcpu, rb);
- vcpu->arch.gpr[get_rt(inst)] = t;
- }
- break;
- case OP_31_XOP_SLBMFEV:
- if (!vcpu->arch.mmu.slbmfev) {
- emulated = EMULATE_FAIL;
- } else {
- ulong t, rb;
-
- rb = vcpu->arch.gpr[get_rb(inst)];
- t = vcpu->arch.mmu.slbmfev(vcpu, rb);
- vcpu->arch.gpr[get_rt(inst)] = t;
- }
- break;
- case OP_31_XOP_DCBZ:
- {
- ulong rb = vcpu->arch.gpr[get_rb(inst)];
- ulong ra = 0;
- ulong addr;
- u32 zeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
-
- if (get_ra(inst))
- ra = vcpu->arch.gpr[get_ra(inst)];
-
- addr = (ra + rb) & ~31ULL;
- if (!(vcpu->arch.msr & MSR_SF))
- addr &= 0xffffffff;
-
- if (kvmppc_st(vcpu, addr, 32, zeros)) {
- vcpu->arch.dear = addr;
- vcpu->arch.fault_dear = addr;
- to_book3s(vcpu)->dsisr = DSISR_PROTFAULT |
- DSISR_ISSTORE;
- kvmppc_book3s_queue_irqprio(vcpu,
- BOOK3S_INTERRUPT_DATA_STORAGE);
- kvmppc_mmu_pte_flush(vcpu, addr, ~0xFFFULL);
- }
-
- break;
- }
- default:
- emulated = EMULATE_FAIL;
- }
- break;
- default:
- emulated = EMULATE_FAIL;
- }
-
- return emulated;
-}
-
-void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, bool upper,
- u32 val)
-{
- if (upper) {
- /* Upper BAT */
- u32 bl = (val >> 2) & 0x7ff;
- bat->bepi_mask = (~bl << 17);
- bat->bepi = val & 0xfffe0000;
- bat->vs = (val & 2) ? 1 : 0;
- bat->vp = (val & 1) ? 1 : 0;
- bat->raw = (bat->raw & 0xffffffff00000000ULL) | val;
- } else {
- /* Lower BAT */
- bat->brpn = val & 0xfffe0000;
- bat->wimg = (val >> 3) & 0xf;
- bat->pp = val & 3;
- bat->raw = (bat->raw & 0x00000000ffffffffULL) | ((u64)val << 32);
- }
-}
-
-static void kvmppc_write_bat(struct kvm_vcpu *vcpu, int sprn, u32 val)
-{
- struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu);
- struct kvmppc_bat *bat;
-
- switch (sprn) {
- case SPRN_IBAT0U ... SPRN_IBAT3L:
- bat = &vcpu_book3s->ibat[(sprn - SPRN_IBAT0U) / 2];
- break;
- case SPRN_IBAT4U ... SPRN_IBAT7L:
- bat = &vcpu_book3s->ibat[(sprn - SPRN_IBAT4U) / 2];
- break;
- case SPRN_DBAT0U ... SPRN_DBAT3L:
- bat = &vcpu_book3s->dbat[(sprn - SPRN_DBAT0U) / 2];
- break;
- case SPRN_DBAT4U ... SPRN_DBAT7L:
- bat = &vcpu_book3s->dbat[(sprn - SPRN_DBAT4U) / 2];
- break;
- default:
- BUG();
- }
-
- kvmppc_set_bat(vcpu, bat, !(sprn % 2), val);
-}
-
-int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
-{
- int emulated = EMULATE_DONE;
-
- switch (sprn) {
- case SPRN_SDR1:
- to_book3s(vcpu)->sdr1 = vcpu->arch.gpr[rs];
- break;
- case SPRN_DSISR:
- to_book3s(vcpu)->dsisr = vcpu->arch.gpr[rs];
- break;
- case SPRN_DAR:
- vcpu->arch.dear = vcpu->arch.gpr[rs];
- break;
- case SPRN_HIOR:
- to_book3s(vcpu)->hior = vcpu->arch.gpr[rs];
- break;
- case SPRN_IBAT0U ... SPRN_IBAT3L:
- case SPRN_IBAT4U ... SPRN_IBAT7L:
- case SPRN_DBAT0U ... SPRN_DBAT3L:
- case SPRN_DBAT4U ... SPRN_DBAT7L:
- kvmppc_write_bat(vcpu, sprn, (u32)vcpu->arch.gpr[rs]);
- /* BAT writes happen so rarely that we're ok to flush
- * everything here */
- kvmppc_mmu_pte_flush(vcpu, 0, 0);
- break;
- case SPRN_HID0:
- to_book3s(vcpu)->hid[0] = vcpu->arch.gpr[rs];
- break;
- case SPRN_HID1:
- to_book3s(vcpu)->hid[1] = vcpu->arch.gpr[rs];
- break;
- case SPRN_HID2:
- to_book3s(vcpu)->hid[2] = vcpu->arch.gpr[rs];
- break;
- case SPRN_HID4:
- to_book3s(vcpu)->hid[4] = vcpu->arch.gpr[rs];
- break;
- case SPRN_HID5:
- to_book3s(vcpu)->hid[5] = vcpu->arch.gpr[rs];
- /* guest HID5 set can change is_dcbz32 */
- if (vcpu->arch.mmu.is_dcbz32(vcpu) &&
- (mfmsr() & MSR_HV))
- vcpu->arch.hflags |= BOOK3S_HFLAG_DCBZ32;
- break;
- case SPRN_ICTC:
- case SPRN_THRM1:
- case SPRN_THRM2:
- case SPRN_THRM3:
- case SPRN_CTRLF:
- case SPRN_CTRLT:
- break;
- default:
- printk(KERN_INFO "KVM: invalid SPR write: %d\n", sprn);
-#ifndef DEBUG_SPR
- emulated = EMULATE_FAIL;
-#endif
- break;
- }
-
- return emulated;
-}
-
-int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
-{
- int emulated = EMULATE_DONE;
-
- switch (sprn) {
- case SPRN_SDR1:
- vcpu->arch.gpr[rt] = to_book3s(vcpu)->sdr1;
- break;
- case SPRN_DSISR:
- vcpu->arch.gpr[rt] = to_book3s(vcpu)->dsisr;
- break;
- case SPRN_DAR:
- vcpu->arch.gpr[rt] = vcpu->arch.dear;
- break;
- case SPRN_HIOR:
- vcpu->arch.gpr[rt] = to_book3s(vcpu)->hior;
- break;
- case SPRN_HID0:
- vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[0];
- break;
- case SPRN_HID1:
- vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[1];
- break;
- case SPRN_HID2:
- vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[2];
- break;
- case SPRN_HID4:
- vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[4];
- break;
- case SPRN_HID5:
- vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[5];
- break;
- case SPRN_THRM1:
- case SPRN_THRM2:
- case SPRN_THRM3:
- case SPRN_CTRLF:
- case SPRN_CTRLT:
- vcpu->arch.gpr[rt] = 0;
- break;
- default:
- printk(KERN_INFO "KVM: invalid SPR read: %d\n", sprn);
-#ifndef DEBUG_SPR
- emulated = EMULATE_FAIL;
-#endif
- break;
- }
-
- return emulated;
-}
-
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-24 19:03:04 +0300