From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/target-ppc/timebase_helper.c | 159 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 159 insertions(+) create mode 100644 qemu/target-ppc/timebase_helper.c (limited to 'qemu/target-ppc/timebase_helper.c') diff --git a/qemu/target-ppc/timebase_helper.c b/qemu/target-ppc/timebase_helper.c new file mode 100644 index 000000000..865dcbed2 --- /dev/null +++ b/qemu/target-ppc/timebase_helper.c @@ -0,0 +1,159 @@ +/* + * PowerPC emulation helpers for QEMU. + * + * Copyright (c) 2003-2007 Jocelyn Mayer + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + */ +#include "cpu.h" +#include "exec/helper-proto.h" + +/*****************************************************************************/ +/* SPR accesses */ + +target_ulong helper_load_tbl(CPUPPCState *env) +{ + return (target_ulong)cpu_ppc_load_tbl(env); +} + +target_ulong helper_load_tbu(CPUPPCState *env) +{ + return cpu_ppc_load_tbu(env); +} + +target_ulong helper_load_atbl(CPUPPCState *env) +{ + return (target_ulong)cpu_ppc_load_atbl(env); +} + +target_ulong helper_load_atbu(CPUPPCState *env) +{ + return cpu_ppc_load_atbu(env); +} + +#if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) +target_ulong helper_load_purr(CPUPPCState *env) +{ + return (target_ulong)cpu_ppc_load_purr(env); +} +#endif + +target_ulong helper_load_601_rtcl(CPUPPCState *env) +{ + return cpu_ppc601_load_rtcl(env); +} + +target_ulong helper_load_601_rtcu(CPUPPCState *env) +{ + return cpu_ppc601_load_rtcu(env); +} + +#if !defined(CONFIG_USER_ONLY) +void helper_store_tbl(CPUPPCState *env, target_ulong val) +{ + cpu_ppc_store_tbl(env, val); +} + +void helper_store_tbu(CPUPPCState *env, target_ulong val) +{ + cpu_ppc_store_tbu(env, val); +} + +void helper_store_atbl(CPUPPCState *env, target_ulong val) +{ + cpu_ppc_store_atbl(env, val); +} + +void helper_store_atbu(CPUPPCState *env, target_ulong val) +{ + cpu_ppc_store_atbu(env, val); +} + +void helper_store_601_rtcl(CPUPPCState *env, target_ulong val) +{ + cpu_ppc601_store_rtcl(env, val); +} + +void helper_store_601_rtcu(CPUPPCState *env, target_ulong val) +{ + cpu_ppc601_store_rtcu(env, val); +} + +target_ulong helper_load_decr(CPUPPCState *env) +{ + return cpu_ppc_load_decr(env); +} + +void helper_store_decr(CPUPPCState *env, target_ulong val) +{ + cpu_ppc_store_decr(env, val); +} + +target_ulong helper_load_40x_pit(CPUPPCState *env) +{ + return load_40x_pit(env); +} + +void helper_store_40x_pit(CPUPPCState *env, target_ulong val) +{ + store_40x_pit(env, val); +} + +void helper_store_booke_tcr(CPUPPCState *env, target_ulong val) +{ + store_booke_tcr(env, val); +} + +void helper_store_booke_tsr(CPUPPCState *env, target_ulong val) +{ + store_booke_tsr(env, val); +} +#endif + +/*****************************************************************************/ +/* Embedded PowerPC specific helpers */ + +/* XXX: to be improved to check access rights when in user-mode */ +target_ulong helper_load_dcr(CPUPPCState *env, target_ulong dcrn) +{ + uint32_t val = 0; + + if (unlikely(env->dcr_env == NULL)) { + qemu_log("No DCR environment\n"); + helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, + POWERPC_EXCP_INVAL | + POWERPC_EXCP_INVAL_INVAL); + } else if (unlikely(ppc_dcr_read(env->dcr_env, + (uint32_t)dcrn, &val) != 0)) { + qemu_log("DCR read error %d %03x\n", (uint32_t)dcrn, (uint32_t)dcrn); + helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, + POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG); + } + return val; +} + +void helper_store_dcr(CPUPPCState *env, target_ulong dcrn, target_ulong val) +{ + if (unlikely(env->dcr_env == NULL)) { + qemu_log("No DCR environment\n"); + helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, + POWERPC_EXCP_INVAL | + POWERPC_EXCP_INVAL_INVAL); + } else if (unlikely(ppc_dcr_write(env->dcr_env, (uint32_t)dcrn, + (uint32_t)val) != 0)) { + qemu_log("DCR write error %d %03x\n", (uint32_t)dcrn, (uint32_t)dcrn); + helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, + POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG); + } +} -- cgit 1.2.3-korg