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romfs/ams.mitm/pm: refactor to dynamically steal heap for certain games. (#2122)

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* fs.mitm: skeleton the use of special allocation in romfs build

* pm: add api for ams.mitm to steal application memory

* pm/mitm: okay, that api won't work, try a different one

* romfs: revert memory usage increases; we'll handle torture games case-by-case.

* pm/romfs: first (broken?) pass at dynamic heap.

I cannot wait to figure out all the ways this is wrong.

* Release the dynamic heap a little more eagerly

* romfs: animal crossing is also not a nice game

* romfs: fix issues in close-during-build

* romfs: zelda is a blight upon this earth
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SciresM 2023-05-14 03:06:52 -07:00 • committed by GitHub
parent 85c23b5781
commit f2ee44da74
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31 changed files with 871 additions and 111 deletions
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22
stratosphere/pm/source/impl/pm_process_manager.cpp
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@ -244,6 +244,24 @@ namespace ams::pm::impl {
/* If we fail after now, unpin. */
ON_RESULT_FAILURE { ldr::pm::UnpinProgram(pin_id); };
/* Ensure we can talk to mitm services. */
{
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(bool, s_initialized_mitm, false);
if (!s_initialized_mitm) {
mitm::pm::Initialize();
s_initialized_mitm = true;
}
}
/* Determine boost size for mitm. */
u64 mitm_boost_size = 0;
R_TRY(mitm::pm::PrepareLaunchProgram(std::addressof(mitm_boost_size), program_info.program_id, override_status, is_application));
if (mitm_boost_size > 0 || is_application) {
R_ABORT_UNLESS(BoostSystemMemoryResourceLimitForMitm(mitm_boost_size));
}
ON_RESULT_FAILURE_2 { if (mitm_boost_size > 0 || is_application) { R_ABORT_UNLESS(BoostSystemMemoryResourceLimitForMitm(0)); } };
/* Ensure resources are available. */
resource::WaitResourceAvailable(std::addressof(program_info));
@ -713,4 +731,8 @@ namespace ams::pm::impl {
R_RETURN(resource::GetResourceLimitValues(out_cur_val, out_lim_val, static_cast<ResourceLimitGroup>(group), static_cast<svc::LimitableResource>(resource)));
}
Result BoostSystemMemoryResourceLimitForMitm(u64 boost_size) {
R_RETURN(resource::BoostSystemMemoryResourceLimitForMitm(boost_size));
}
}