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author | Alexander Graf <agraf@suse.de> | 2013-09-03 20:12:18 +0100 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2013-09-10 19:11:29 +0100 |
commit | e2cea499cc2e8da5b2d5753625d2c57685193783 (patch) | |
tree | d7a44b5bf0aa1d31d4747c8258da1ba739ba37e4 | |
parent | 848d72cdd894e3a883118fd0f1ede14ff66bfa21 (diff) | |
download | qemu-e2cea499cc2e8da5b2d5753625d2c57685193783.zip qemu-e2cea499cc2e8da5b2d5753625d2c57685193783.tar.gz qemu-e2cea499cc2e8da5b2d5753625d2c57685193783.tar.bz2 |
linux-user: Implement cpu_set_tls() and cpu_clone_regs() for AArch64
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: John Rigby <john.rigby@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1378235544-22290-19-git-send-email-peter.maydell@linaro.org
[PMM: pulled out from another patch; don't use is_a64() here;
moved to linux-user from target-arm]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r-- | linux-user/aarch64/target_cpu.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/linux-user/aarch64/target_cpu.h b/linux-user/aarch64/target_cpu.h new file mode 100644 index 0000000..6f5539b --- /dev/null +++ b/linux-user/aarch64/target_cpu.h @@ -0,0 +1,35 @@ +/* + * ARM AArch64 specific CPU ABI and functions for linux-user + * + * Copyright (c) 2013 Alexander Graf <agraf@suse.de> + * + * 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 <http://www.gnu.org/licenses/>. + */ +#ifndef TARGET_CPU_H +#define TARGET_CPU_H + +static inline void cpu_clone_regs(CPUARMState *env, target_ulong newsp) +{ + if (newsp) { + env->xregs[31] = newsp; + } + env->xregs[0] = 0; +} + +static inline void cpu_set_tls(CPUARMState *env, target_ulong newtls) +{ + env->sr.tpidr_el0 = newtls; +} + +#endif |