From 08f87f769b595151be1afeff53e144f543faa614 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 06 Dec 2023 09:51:13 +0000
Subject: [PATCH] add dts config
---
kernel/arch/powerpc/kvm/book3s_emulate.c | 42 ++++++++++++++++++++++++------------------
1 files changed, 24 insertions(+), 18 deletions(-)
diff --git a/kernel/arch/powerpc/kvm/book3s_emulate.c b/kernel/arch/powerpc/kvm/book3s_emulate.c
index 2654df2..0effd48 100644
--- a/kernel/arch/powerpc/kvm/book3s_emulate.c
+++ b/kernel/arch/powerpc/kvm/book3s_emulate.c
@@ -1,16 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
- * 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
*
@@ -36,7 +25,6 @@
#define OP_31_XOP_MTSR 210
#define OP_31_XOP_MTSRIN 242
#define OP_31_XOP_TLBIEL 274
-#define OP_31_XOP_TLBIE 306
/* Opcode is officially reserved, reuse it as sc 1 when sc 1 doesn't trap */
#define OP_31_XOP_FAKE_SC1 308
#define OP_31_XOP_SLBMTE 402
@@ -48,6 +36,7 @@
#define OP_31_XOP_SLBMFEV 851
#define OP_31_XOP_EIOIO 854
#define OP_31_XOP_SLBMFEE 915
+#define OP_31_XOP_SLBFEE 979
#define OP_31_XOP_TBEGIN 654
#define OP_31_XOP_TABORT 910
@@ -246,7 +235,7 @@
#endif
-int kvmppc_core_emulate_op_pr(struct kvm_run *run, struct kvm_vcpu *vcpu,
+int kvmppc_core_emulate_op_pr(struct kvm_vcpu *vcpu,
unsigned int inst, int *advance)
{
int emulated = EMULATE_DONE;
@@ -382,13 +371,13 @@
if (kvmppc_h_pr(vcpu, cmd) == EMULATE_DONE)
break;
- run->papr_hcall.nr = cmd;
+ vcpu->run->papr_hcall.nr = cmd;
for (i = 0; i < 9; ++i) {
ulong gpr = kvmppc_get_gpr(vcpu, 4 + i);
- run->papr_hcall.args[i] = gpr;
+ vcpu->run->papr_hcall.args[i] = gpr;
}
- run->exit_reason = KVM_EXIT_PAPR_HCALL;
+ vcpu->run->exit_reason = KVM_EXIT_PAPR_HCALL;
vcpu->arch.hcall_needed = 1;
emulated = EMULATE_EXIT_USER;
break;
@@ -416,6 +405,23 @@
return EMULATE_FAIL;
vcpu->arch.mmu.slbia(vcpu);
+ break;
+ case OP_31_XOP_SLBFEE:
+ if (!(inst & 1) || !vcpu->arch.mmu.slbfee) {
+ return EMULATE_FAIL;
+ } else {
+ ulong b, t;
+ ulong cr = kvmppc_get_cr(vcpu) & ~CR0_MASK;
+
+ b = kvmppc_get_gpr(vcpu, rb);
+ if (!vcpu->arch.mmu.slbfee(vcpu, b, &t))
+ cr |= 2 << CR0_SHIFT;
+ kvmppc_set_gpr(vcpu, rt, t);
+ /* copy XER[SO] bit to CR0[SO] */
+ cr |= (vcpu->arch.regs.xer & 0x80000000) >>
+ (31 - CR0_SHIFT);
+ kvmppc_set_cr(vcpu, cr);
+ }
break;
case OP_31_XOP_SLBMFEE:
if (!vcpu->arch.mmu.slbmfee) {
@@ -623,7 +629,7 @@
}
if (emulated == EMULATE_FAIL)
- emulated = kvmppc_emulate_paired_single(run, vcpu);
+ emulated = kvmppc_emulate_paired_single(vcpu);
return emulated;
}
--
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