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[kernel] Have process_start syscall take a list of handles

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This also prompted a change of the process initialization protocol to
allow handles to get typed, and changing to marking them as just
self/other handls. This also means exposing the object type enum to
userspace.
This commit is contained in:
Justin C. Miller
2021-01-23 20:34:03 -08:00
parent c0f304559f
commit 16b9d4fd8b
10 changed files with 59 additions and 44 deletions
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23
src/kernel/scheduler.cpp
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@@ -119,27 +119,26 @@ load_process_image(const kernel::args::program *program)
fb_desc->flags |= 1;
j6_init_value *initv = push<j6_init_value>(tcb->rsp3);
initv->type = j6_init_handle_system;
initv->value = static_cast<uint64_t>(proc.add_handle(&system::get()));
initv->type = j6_init_handle_other;
initv->handle.type = j6_object_type_system;
initv->handle.handle = proc.add_handle(&system::get());
initv = push<j6_init_value>(tcb->rsp3);
initv->type = j6_init_handle_process;
initv->value = static_cast<uint64_t>(proc.self_handle());
initv->type = j6_init_handle_self;
initv->handle.type = j6_object_type_process;
initv->handle.handle = proc.self_handle();
initv = push<j6_init_value>(tcb->rsp3);
initv->type = j6_init_handle_thread;
initv->value = static_cast<uint64_t>(th.self_handle());
initv = push<j6_init_value>(tcb->rsp3);
initv->type = j6_init_handle_space;
//initv->value = static_cast<uint64_t>(proc.add_handle(&space));
initv->type = j6_init_handle_self;
initv->handle.type = j6_object_type_thread;
initv->handle.handle = th.self_handle();
initv = push<j6_init_value>(tcb->rsp3);
initv->type = j6_init_desc_framebuffer;
initv->value = reinterpret_cast<uint64_t>(fb_desc);
initv->data = fb_desc;
uint64_t *initc = push<uint64_t>(tcb->rsp3);
*initc = 5;
*initc = 4;
char **argv0 = push<char*>(tcb->rsp3);
*argv0 = message_arg;