608999d17c
We will need a target-specific hook for adjusting registers in the parent during clone. To avoid confusion, rename the one we have to make it clear it affects the child. At the same time, pass in the flags from the clone syscall. We will need them for correct behaviour for Sparc. Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20191106113318.10226-10-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/*
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* MicroBlaze specific CPU ABI and functions for linux-user
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*
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* Copyright (c) 2009 Edgar E. Iglesias
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MICROBLAZE_TARGET_CPU_H
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#define MICROBLAZE_TARGET_CPU_H
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static inline void cpu_clone_regs_child(CPUMBState *env, target_ulong newsp,
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unsigned flags)
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{
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if (newsp) {
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env->regs[R_SP] = newsp;
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}
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env->regs[3] = 0;
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}
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static inline void cpu_set_tls(CPUMBState *env, target_ulong newtls)
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{
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env->regs[21] = newtls;
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}
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static inline abi_ulong get_sp_from_cpustate(CPUMBState *state)
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{
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return state->regs[1];
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}
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#endif
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