On Mon, 18 Apr 2022 at 20:15, Leandro Lupori <leandro.lup...@eldorado.org.br> wrote: > > Add semihosting support for PPC64. This implementation is > based on the standard for ARM semihosting version 2.0, as > implemented by QEMU and documented in > > https://github.com/ARM-software/abi-aa/releases > > The PPC64 specific differences are the following: > > Semihosting Trap Instruction: sc 7 > Operation Number Register: r3 > Parameter Register: r4 > Return Register: r3 > Data block field size: 64 bits > > +static inline bool > +common_semi_sys_exit_extended(CPUState *cs, int nr) > +{ > + return (nr == TARGET_SYS_EXIT_EXTENDED || sizeof(target_ulong) == 8); > +}
Does the PPC specification for semihosting really follow the legacy Arm requirement that the 32-bit version of the EXIT call doesn't let the caller specify the exit status? It's not a very sensible choice IMHO if you don't have the legacy baggage to deal with. -- PMM
