xemu/linux-user/riscv/target_cpu.h
Richard Henderson 07a6ecf48f linux-user: Introduce cpu_clone_regs_parent
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>
2019-11-06 13:43:25 +01:00

28 lines
566 B
C

#ifndef RISCV_TARGET_CPU_H
#define RISCV_TARGET_CPU_H
static inline void cpu_clone_regs_child(CPURISCVState *env, target_ulong newsp,
unsigned flags)
{
if (newsp) {
env->gpr[xSP] = newsp;
}
env->gpr[xA0] = 0;
}
static inline void cpu_clone_regs_parent(CPURISCVState *env, unsigned flags)
{
}
static inline void cpu_set_tls(CPURISCVState *env, target_ulong newtls)
{
env->gpr[xTP] = newtls;
}
static inline abi_ulong get_sp_from_cpustate(CPURISCVState *state)
{
return state->gpr[xSP];
}
#endif