From d2a56bd242de92961c7804f9dabac2d27139d16a Mon Sep 17 00:00:00 2001 From: Taylor Simpson Date: Sun, 7 Feb 2021 23:46:20 -0600 Subject: Hexagon (linux-user/hexagon) Linux user emulation Implementation of Linux user emulation for Hexagon Some common files modified in addition to new files in linux-user/hexagon Acked-by: Laurent Vivier Signed-off-by: Taylor Simpson Reviewed-by: Richard Henderson Message-Id: <1612763186-18161-31-git-send-email-tsimpson@quicinc.com> [rth: Fix termbits.h on review by Laurent] Signed-off-by: Richard Henderson --- linux-user/hexagon/target_cpu.h | 44 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 linux-user/hexagon/target_cpu.h (limited to 'linux-user/hexagon/target_cpu.h') diff --git a/linux-user/hexagon/target_cpu.h b/linux-user/hexagon/target_cpu.h new file mode 100644 index 0000000000..ecb76e9268 --- /dev/null +++ b/linux-user/hexagon/target_cpu.h @@ -0,0 +1,44 @@ +/* + * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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, see . + */ + +#ifndef HEXAGON_TARGET_CPU_H +#define HEXAGON_TARGET_CPU_H + +static inline void cpu_clone_regs_child(CPUHexagonState *env, + target_ulong newsp, unsigned flags) +{ + if (newsp) { + env->gpr[HEX_REG_SP] = newsp; + } + env->gpr[0] = 0; +} + +static inline void cpu_clone_regs_parent(CPUHexagonState *env, unsigned flags) +{ +} + +static inline void cpu_set_tls(CPUHexagonState *env, target_ulong newtls) +{ + env->gpr[HEX_REG_UGP] = newtls; +} + +static inline abi_ulong get_sp_from_cpustate(CPUHexagonState *state) +{ + return state->gpr[HEX_REG_SP]; +} + +#endif -- cgit 1.4.1