From: Warner Losh <imp@bsdimp.com>
Date: Thu, 23 Sep 2021 14:44:05 +0000 (-0600)
Subject: bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_regs
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e17d4c9a3701ca22170cd3bbbd42c9eddad97e84;p=qemu.git

bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_regs

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>
---

diff --git a/bsd-user/arm/target_arch_cpu.h b/bsd-user/arm/target_arch_cpu.h
index 66215684d6..fa45d9335d 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)
 {
 }