1 files changed, 0 insertions, 140 deletions
diff --git a/virt/kvm/arm/hyp/aarch32.c b/virt/kvm/arm/hyp/aarch32.c
deleted file mode 100644
index 25c0e47d57cb..000000000000
--- a/virt/kvm/arm/hyp/aarch32.c
+++ /dev/null
@@ -1,140 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Hyp portion of the (not much of an) Emulation layer for 32bit guests.
- *
- * Copyright (C) 2012,2013 - ARM Ltd
- * Author: Marc Zyngier <marc.zyngier@arm.com>
- *
- * based on arch/arm/kvm/emulate.c
- * Copyright (C) 2012 - Virtual Open Systems and Columbia University
- * Author: Christoffer Dall <c.dall@virtualopensystems.com>
- */
-
-#include <linux/kvm_host.h>
-#include <asm/kvm_emulate.h>
-#include <asm/kvm_hyp.h>
-
-/*
- * stolen from arch/arm/kernel/opcodes.c
- *
- * condition code lookup table
- * index into the table is test code: EQ, NE, ... LT, GT, AL, NV
- *
- * bit position in short is condition code: NZCV
- */
-static const unsigned short cc_map[16] = {
-	0xF0F0,			/* EQ == Z set            */
-	0x0F0F,			/* NE                     */
-	0xCCCC,			/* CS == C set            */
-	0x3333,			/* CC                     */
-	0xFF00,			/* MI == N set            */
-	0x00FF,			/* PL                     */
-	0xAAAA,			/* VS == V set            */
-	0x5555,			/* VC                     */
-	0x0C0C,			/* HI == C set && Z clear */
-	0xF3F3,			/* LS == C clear || Z set */
-	0xAA55,			/* GE == (N==V)           */
-	0x55AA,			/* LT == (N!=V)           */
-	0x0A05,			/* GT == (!Z && (N==V))   */
-	0xF5FA,			/* LE == (Z || (N!=V))    */
-	0xFFFF,			/* AL always              */
-	0			/* NV                     */
-};
-
-/*
- * Check if a trapped instruction should have been executed or not.
- */
-bool __hyp_text kvm_condition_valid32(const struct kvm_vcpu *vcpu)
-{
-	unsigned long cpsr;
-	u32 cpsr_cond;
-	int cond;
-
-	/* Top two bits non-zero?  Unconditional. */
-	if (kvm_vcpu_get_hsr(vcpu) >> 30)
-		return true;
-
-	/* Is condition field valid? */
-	cond = kvm_vcpu_get_condition(vcpu);
-	if (cond == 0xE)
-		return true;
-
-	cpsr = *vcpu_cpsr(vcpu);
-
-	if (cond < 0) {
-		/* This can happen in Thumb mode: examine IT state. */
-		unsigned long it;
-
-		it = ((cpsr >> 8) & 0xFC) | ((cpsr >> 25) & 0x3);
-
-		/* it == 0 => unconditional. */
-		if (it == 0)
-			return true;
-
-		/* The cond for this insn works out as the top 4 bits. */
-		cond = (it >> 4);
-	}
-
-	cpsr_cond = cpsr >> 28;
-
-	if (!((cc_map[cond] >> cpsr_cond) & 1))
-		return false;
-
-	return true;
-}
-
-/**
- * adjust_itstate - adjust ITSTATE when emulating instructions in IT-block
- * @vcpu:	The VCPU pointer
- *
- * When exceptions occur while instructions are executed in Thumb IF-THEN
- * blocks, the ITSTATE field of the CPSR is not advanced (updated), so we have
- * to do this little bit of work manually. The fields map like this:
- *
- * IT[7:0] -> CPSR[26:25],CPSR[15:10]
- */
-static void __hyp_text kvm_adjust_itstate(struct kvm_vcpu *vcpu)
-{
-	unsigned long itbits, cond;
-	unsigned long cpsr = *vcpu_cpsr(vcpu);
-	bool is_arm = !(cpsr & PSR_AA32_T_BIT);
-
-	if (is_arm || !(cpsr & PSR_AA32_IT_MASK))
-		return;
-
-	cond = (cpsr & 0xe000) >> 13;
-	itbits = (cpsr & 0x1c00) >> (10 - 2);
-	itbits |= (cpsr & (0x3 << 25)) >> 25;
-
-	/* Perform ITAdvance (see page A2-52 in ARM DDI 0406C) */
-	if ((itbits & 0x7) == 0)
-		itbits = cond = 0;
-	else
-		itbits = (itbits << 1) & 0x1f;
-
-	cpsr &= ~PSR_AA32_IT_MASK;
-	cpsr |= cond << 13;
-	cpsr |= (itbits & 0x1c) << (10 - 2);
-	cpsr |= (itbits & 0x3) << 25;
-	*vcpu_cpsr(vcpu) = cpsr;
-}
-
-/**
- * kvm_skip_instr - skip a trapped instruction and proceed to the next
- * @vcpu: The vcpu pointer
- */
-void __hyp_text kvm_skip_instr32(struct kvm_vcpu *vcpu, bool is_wide_instr)
-{
-	u32 pc = *vcpu_pc(vcpu);
-	bool is_thumb;
-
-	is_thumb = !!(*vcpu_cpsr(vcpu) & PSR_AA32_T_BIT);
-	if (is_thumb && !is_wide_instr)
-		pc += 2;
-	else
-		pc += 4;
-
-	*vcpu_pc(vcpu) = pc;
-
-	kvm_adjust_itstate(vcpu);
-}