Re: target/ppc: sPAPR invalid function calls when compiling without TCG

[Lucas Mateus Martins Araujo e Castro]

>> spapr_hcall.c:

>>     function h_enter call ppc_hash64_hpte_page_shift_noslb, ppc_hash64_map_hptes and ppc_hash64_unmap_hptes
>>     function remove_hpte call ppc_hash64_map_hptes, ppc_hash64_unmap_hptes and ppc_hash64_tlb_flush_hpte
>>     function h_protect call ppc_hash64_map_hptes, ppc_hash64_unmap_hptes and ppc_hash64_tlb_flush_hpte
>>     function h_read call ppc_hash64_map_hptes and ppc_hash64_unmap_hptes
>>     function rehash_hpte call ppc_hash64_hpte_page_shift_noslb
>>     function rehash_hpt call ppc_hash64_map_hptes and ppc_hash64_unmap_hptes

>h_enter, remove_hpte, h_protect, h_read and rehash_hpte should never
>be called for a KVM guest (KVM will intercept the relevant hcalls
>before they reach qemu).  I think it would make sense to split of a
>TCG only portion of spapr_hcall.c into a new file.  You'll then
>probably need !TCG stubs for those hypercalls, which should trip a
>fatal error (if KVM hasn't handled the calls, there's nothing we can
>do that will salvage the situation).

These functions are static, so I thought about turning them into non-static functions and creating the prototype in
internal.h and changing hw/ppc/meson.build to add the correct .c file but hw/ppc/ doesn't have an internal.h

What is the best way to handle this static functions?