diff options
| author |   Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com> | 2023-10-10 11:40:56 +0000 |
|---|---|---|
| committer | Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com> | 2023-10-10 11:40:56 +0000 |
| commit | e02cda008591317b1625707ff8e115a4841aa889 (patch) | |
| tree | aee302e3cf8b59ec2d32ec481be3d1afddfc8968 /linux-user/mips/target_cpu.h | |
| parent | cc668e6b7e0ffd8c9d130513d12053cf5eda1d3b (diff) | |
Introduce Virtio-loopback epsilon release:
Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.
Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9
Diffstat (limited to 'linux-user/mips/target_cpu.h')
| -rw-r--r-- | linux-user/mips/target_cpu.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/linux-user/mips/target_cpu.h b/linux-user/mips/target_cpu.h new file mode 100644 index 000000000..c375616c5 --- /dev/null +++ b/linux-user/mips/target_cpu.h @@ -0,0 +1,45 @@ +/* + * MIPS specific CPU ABI and functions for linux-user + * + * Copyright (c) 2004-2005 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 2.1 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 MIPS_TARGET_CPU_H +#define MIPS_TARGET_CPU_H + +static inline void cpu_clone_regs_child(CPUMIPSState *env, target_ulong newsp, + unsigned flags) +{ + if (newsp) { + env->active_tc.gpr[29] = newsp; + } + env->active_tc.gpr[7] = 0; + env->active_tc.gpr[2] = 0; +} + +static inline void cpu_clone_regs_parent(CPUMIPSState *env, unsigned flags) +{ +} + +static inline void cpu_set_tls(CPUMIPSState *env, target_ulong newtls) +{ + env->active_tc.CP0_UserLocal = newtls; +} + +static inline abi_ulong get_sp_from_cpustate(CPUMIPSState *state) +{ + return state->active_tc.gpr[29]; +} +#endif |