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Diffstat (limited to 'kernel/gsp_sema_service.h')
| -rw-r--r-- | kernel/gsp_sema_service.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/gsp_sema_service.h b/kernel/gsp_sema_service.h index 6f591e5..3f2a8dc 100644 --- a/kernel/gsp_sema_service.h +++ b/kernel/gsp_sema_service.h @@ -106,6 +106,17 @@ struct sema_vaspace_desc { void gsp_sema_service_vaspace_add(const struct sema_vaspace_desc *desc); void gsp_sema_service_vaspace_del(u32 h_vaspace); +/* + * CONT.407: a client's DUP_OBJECT of a VAS gives the destination client a + * NEW handle for the SAME page directory (measured: the GL client dups X's + * VAS 0x10005 as 0xbfef0001, then allocates its GR channel with + * hVASpace=0xbfef0001). Register the destination handle as an alias of the + * source's directory so the channel's gpfifo VA resolves through the + * client's own VAS instead of falling through to another registered + * directory (observed bogus 0x1bcfff0/ap=2 answer). Returns true when the + * source handle was a registered VAS and the alias was installed. + */ +bool gsp_sema_service_vaspace_alias(u32 h_dst, u32 h_src); /* * r820: a driver-declared kernel-buffer translation from an |