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	Mirror of https://github.com/openssl/openssl	matthias

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path: root/test/certs/bad.pem

Age	Commit message (Expand)	Author
2015-07-07	Add test for CVE-2015-1793	Matt Caswell

generated by cgit v1.2.3 (git 2.25.1) at 2024-07-29 21:01:46 +0000

/*
 * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved.
 *
 * Author: Yu Liu, <yu.liu@freescale.com>
 *
 * Description:
 * This file is derived from arch/powerpc/kvm/44x_emulate.c,
 * by Hollis Blanchard <hollisb@us.ibm.com>.
 *
 * 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.
 */

#include <asm/kvm_ppc.h>
#include <asm/disassemble.h>

#include "booke.h"
#include "e500.h"

#define XOP_TLBIVAX 786
#define XOP_TLBSX   914
#define XOP_TLBRE   946
#define XOP_TLBWE   978
#define XOP_TLBILX  18

int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
                           unsigned int inst, int *advance)
{
	int emulated = EMULATE_DONE;
	int ra;
	int rb;
	int rt;

	switch (get_op(inst)) {
	case 31:
		switch (get_xop(inst)) {

		case XOP_TLBRE:
			emulated = kvmppc_e500_emul_tlbre(vcpu);
			break;

		case XOP_TLBWE:
			emulated = kvmppc_e500_emul_tlbwe(vcpu);
			break;

		case XOP_TLBSX:
			rb = get_rb(inst);
			emulated = kvmppc_e500_emul_tlbsx(vcpu,rb);
			break;

		case XOP_TLBILX:
			ra = get_ra(inst);
			rb = get_rb(inst);
			rt = get_rt(inst);
			emulated = kvmppc_e500_emul_tlbilx(vcpu, rt, ra, rb);
			break;

		case XOP_TLBIVAX:
			ra = get_ra(inst);
			rb = get_rb(inst);
			emulated = kvmppc_e500_emul_tlbivax(vcpu, ra, rb);
			break;

		default:
			emulated = EMULATE_FAIL;
		}

		break;

	default:
		emulated = EMULATE_FAIL;
	}

	if (emulated == EMULATE_FAIL)
		emulated = kvmppc_booke_emulate_op(run, vcpu, inst, advance);

	return emulated;
}

int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
{
	struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
	int emulated = EMULATE_DONE;
	ulong spr_val = kvmppc_get_gpr(vcpu, rs);

	switch (sprn) {
	case SPRN_PID:
		kvmppc_set_pid(vcpu, spr_val);
		break;
	case SPRN_PID1:
		if (spr_val != 0)
			return EMULATE_FAIL;
		vcpu_e500->pid[1] = spr_val; break;
	case SPRN_PID2:
		if (spr_val != 0)
			return EMULATE_FAIL;
		vcpu_e500->pid[2] = spr_val; break;
	case SPRN_MAS0:
		vcpu->arch.shared->mas0 = spr_val; break;
	case SPRN_MAS1:
		vcpu->arch.shared->mas1 = spr_val; break;
	case SPRN_MAS2:
		vcpu->arch.shared->mas2 = spr_val; break;
	case SPRN_MAS3:
		vcpu->arch.shared->mas7_3 &= ~(u64)0xffffffff;
		vcpu->arch.shared->mas7_3 |= spr_val;
		break;
	case SPRN_MAS4:
		vcpu->arch.shared->mas4 = spr_val; break;
	case SPRN_MAS6:
		vcpu->arch.shared->mas6 = spr_val; break;
	case SPRN_MAS7:
		vcpu->arch.shared->mas7_3 &= (u64)0xffffffff;
		vcpu->arch.shared->mas7_3 |= (u64)spr_val << 32;
		break;
	case SPRN_L1CSR0:
		vcpu_e500->l1csr0 = spr_val;
		vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC);
		break;
	case SPRN_L1CSR1:
		vcpu_e500->l1csr1 = spr_val; break;
	case SPRN_HID0:
		vcpu_e500->hid0 = spr_val; break;
	case SPRN_HID1:
		vcpu_e500->hid1 = spr_val; break;

	case SPRN_MMUCSR0:
		emulated = kvmppc_e500_emul_mt_mmucsr0(vcpu_e500,
				spr_val);
		break;

	/* extra exceptions */
	case SPRN_IVOR32:
		vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = spr_val;
		break;
	case SPRN_IVOR33:
		vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] = spr_val;
		break;
	case SPRN_IVOR34:
		vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] = spr_val;
		break;
	case SPRN_IVOR35:
		vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = spr_val;
		break;

	default:
		emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
	}

	return emulated;
}

int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
{
	struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
	int emulated = EMULATE_DONE;
	unsigned long val;

	switch (sprn) {
	case SPRN_PID:
		kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[0]); break;
	case SPRN_PID1:
		kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[1]); break;
	case SPRN_PID2:
		kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[2]); break;
	case SPRN_MAS0:
		kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas0); break;
	case SPRN_MAS1:
		kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas1); break;
	case SPRN_MAS2:
		kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas2); break;
	case SPRN_MAS3:
		val = (u32)vcpu->arch.shared->mas7_3;
		kvmppc_set_gpr(vcpu, rt, val);
		break;
	case SPRN_MAS4:
		kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas4); break;
	case SPRN_MAS6:
		kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas6); break;
	case SPRN_MAS7:
		val = vcpu->arch.shared->mas7_3 >> 32;
		kvmppc_set_gpr(vcpu, rt, val);
		break;
	case SPRN_TLB0CFG:
		kvmppc_set_gpr(vcpu, rt, vcpu->arch.tlbcfg[0]); break;
	case SPRN_TLB1CFG:
		kvmppc_set_gpr(vcpu, rt, vcpu->arch.tlbcfg[1]); break;
	case SPRN_L1CSR0:
		kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr0); break;
	case SPRN_L1CSR1:
		kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr1); break;
	case SPRN_HID0:
		kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid0); break;
	case SPRN_HID1:
		kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid1); break;
	case SPRN_SVR:
		kvmppc_set_gpr(vcpu, rt, vcpu_e500->svr); break;

	case SPRN_MMUCSR0:
		kvmppc_set_gpr(vcpu, rt, 0); break;

	case SPRN_MMUCFG:
		kvmppc_set_gpr(vcpu, rt, vcpu->arch.mmucfg); break;

	/* extra exceptions */
	case SPRN_IVOR32:
		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL]);
		break;
	case SPRN_IVOR33:
		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA]);
		break;
	case SPRN_IVOR34:
		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND]);
		break;
	case SPRN_IVOR35:
		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR]);
		break;
	default:
		emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
	}

	return emulated;
}