mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-11-05 20:35:44 +00:00
07a6ecf48f
We will need a target-specific hook for adjusting registers in the parent during clone. Add an empty inline function for each target, and invoke it from the proper places. 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: <20191106113318.10226-11-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
32 lines
757 B
C
32 lines
757 B
C
/*
|
|
* Xtensa-specific CPU ABI and functions for linux-user
|
|
*/
|
|
#ifndef XTENSA_TARGET_CPU_H
|
|
#define XTENSA_TARGET_CPU_H
|
|
|
|
static inline void cpu_clone_regs_child(CPUXtensaState *env,
|
|
target_ulong newsp,
|
|
unsigned flags)
|
|
{
|
|
if (newsp) {
|
|
env->regs[1] = newsp;
|
|
env->sregs[WINDOW_BASE] = 0;
|
|
env->sregs[WINDOW_START] = 0x1;
|
|
}
|
|
env->regs[2] = 0;
|
|
}
|
|
|
|
static inline void cpu_clone_regs_parent(CPUXtensaState *env, unsigned flags)
|
|
{
|
|
}
|
|
|
|
static inline void cpu_set_tls(CPUXtensaState *env, target_ulong newtls)
|
|
{
|
|
env->uregs[THREADPTR] = newtls;
|
|
}
|
|
|
|
static inline abi_ulong get_sp_from_cpustate(CPUXtensaState *state)
|
|
{
|
|
return state->regs[1];
|
|
}
|
|
#endif
|