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[PULL 17/37] bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_
From: |
Warner Losh |
Subject: |
[PULL 17/37] bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_regs |
Date: |
Sat, 8 Jan 2022 00:37:17 -0700 |
Implement target_cpu_clone_regs to clone the resister state on a fork.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
bsd-user/arm/target_arch_cpu.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/bsd-user/arm/target_arch_cpu.h b/bsd-user/arm/target_arch_cpu.h
index 66215684d6f..fa45d9335d6 100644
--- a/bsd-user/arm/target_arch_cpu.h
+++ b/bsd-user/arm/target_arch_cpu.h
@@ -36,6 +36,14 @@ static inline void target_cpu_init(CPUARMState *env,
}
}
+static inline void target_cpu_clone_regs(CPUARMState *env, target_ulong newsp)
+{
+ if (newsp) {
+ env->regs[13] = newsp;
+ }
+ env->regs[0] = 0;
+}
+
static inline void target_cpu_reset(CPUArchState *cpu)
{
}
--
2.33.1
- [PULL 20/37] bsd-user/arm/target_arch_cpu.h: Implement data abort exceptions, (continued)
- [PULL 20/37] bsd-user/arm/target_arch_cpu.h: Implement data abort exceptions, Warner Losh, 2022/01/08
- [PULL 09/37] bsd-user/x86_64/target_arch_signal.h: use new target_os_ucontext.h, Warner Losh, 2022/01/08
- [PULL 08/37] bsd-user/x86_64/target_arch_signal.h: Remove target_sigcontext, Warner Losh, 2022/01/08
- [PULL 14/37] bsd-user/arm/target_syscall.h: Add copyright and update name, Warner Losh, 2022/01/08
- [PULL 18/37] bsd-user/arm/target_arch_cpu.h: Dummy target_cpu_loop implementation, Warner Losh, 2022/01/08
- [PULL 35/37] bsd-user/arm/signal.c: arm get_ucontext_sigreturn, Warner Losh, 2022/01/08
- [PULL 16/37] bsd-user/arm/target_arch_cpu.h: CPU Loop definitions, Warner Losh, 2022/01/08
- [PULL 15/37] bsd-user/arm/target_arch_cpu.c: Target specific TLS routines, Warner Losh, 2022/01/08
- [PULL 21/37] bsd-user/arm/target_arch_cpu.h: Implement system call dispatch, Warner Losh, 2022/01/08
- [PULL 23/37] bsd-user/arm/target_arch_vmparam.h: Parameters for arm address space, Warner Losh, 2022/01/08
- [PULL 17/37] bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_regs,
Warner Losh <=
- [PULL 22/37] bsd-user/arm/target_arch_reg.h: Implement core dump register copying, Warner Losh, 2022/01/08
- [PULL 10/37] bsd-user/x86_64/target_arch_signal.h: Fill in mcontext_t, Warner Losh, 2022/01/08
- [PULL 24/37] bsd-user/arm/target_arch_sigtramp.h: Signal Trampoline for arm, Warner Losh, 2022/01/08
- [PULL 31/37] bsd-user/arm/target_arch_signal.h: Define size of *context_t, Warner Losh, 2022/01/08
- [PULL 30/37] bsd-user/arm/target_arch_signal.h: arm machine context and trapframe for signals, Warner Losh, 2022/01/08
- [PULL 28/37] bsd-user/arm/target_arch_elf.h: arm get_hwcap2 impl, Warner Losh, 2022/01/08
- [PULL 29/37] bsd-user/arm/target_arch_signal.h: arm specific signal registers and stack, Warner Losh, 2022/01/08
- [PULL 33/37] bsd-user/arm/signal.c: arm get_mcontext, Warner Losh, 2022/01/08
- [PULL 34/37] bsd-user/arm/signal.c: arm set_mcontext, Warner Losh, 2022/01/08
- [PULL 37/37] bsd-user: add arm target build, Warner Losh, 2022/01/08