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kern/pm: support for 5.x under mesosphere

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This commit is contained in:
Michael Scire 2020-08-21 02:38:16 -07:00 committed by SciresM
parent 657470830f
commit 79c9bed528
4 changed files with 394 additions and 367 deletions
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13
libraries/libmesosphere/source/svc/kern_svc_info.cpp
View file

@ -294,6 +294,19 @@ namespace ams::kern::svc {
R_TRY(GetInitialProcessIdRange(out, static_cast<ams::svc::InitialProcessIdRangeInfo>(info_subtype)));
}
break;
case ams::svc::SystemInfoType_IsMesosphere:
{
/* Verify the handle is invalid. */
R_UNLESS(handle == ams::svc::InvalidHandle, svc::ResultInvalidHandle());
/* Verify that the sub-type is zero. */
R_UNLESS(info_subtype == 0, svc::ResultInvalidCombination());
/* We don't actually have any data to return. */
/* Clear the output. */
*out = 0;
}
break;
default:
return svc::ResultInvalidEnumValue();
}

19
libraries/libstratosphere/include/stratosphere/svc/svc_stratosphere_shims.hpp
View file

@ -14,9 +14,13 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#if defined(ATMOSPHERE_BOARD_NINTENDO_NX) && defined(ATMOSPHERE_ARCH_ARM64)
#if defined(ATMOSPHERE_BOARD_NINTENDO_NX)
namespace ams::svc::aarch64::lp64 {
namespace ams::svc {
#if defined(ATMOSPHERE_ARCH_ARM64)
namespace aarch64::lp64 {
ALWAYS_INLINE Result SetHeapSize(::ams::svc::Address *out_address, ::ams::svc::Size size) {
return ::svcSetHeapSize(reinterpret_cast<void **>(out_address), size);
@ -490,6 +494,15 @@ namespace ams::svc::aarch64::lp64 {
::svcCallSecureMonitor(reinterpret_cast<::SecmonArgs *>(args));
}
}
}
#endif
ALWAYS_INLINE bool IsKernelMesosphere() {
uint64_t dummy;
return R_SUCCEEDED(::ams::svc::GetSystemInfo(std::addressof(dummy), ::ams::svc::SystemInfoType_IsMesosphere, ::ams::svc::InvalidHandle, 0));
}
}
#endif

3
libraries/libvapours/include/vapours/svc/svc_types_common.hpp
View file

@ -173,6 +173,9 @@ namespace ams::svc {
SystemInfoType_TotalPhysicalMemorySize = 0,
SystemInfoType_UsedPhysicalMemorySize = 1,
SystemInfoType_InitialProcessIdRange = 2,
/* NOTE: This is potentially temporary, and highly subject to change. */
SystemInfoType_IsMesosphere = 0xF0000000,
};
enum InitialProcessIdRangeInfo : u64 {

10
stratosphere/pm/source/impl/pm_resource_manager.cpp
View file

@ -206,10 +206,8 @@ namespace ams::pm::resource {
g_resource_limits[ResourceLimitGroup_System][svc::LimitableResource_EventCountMax] += ExtraSystemEventCount600;
g_resource_limits[ResourceLimitGroup_System][svc::LimitableResource_SessionCountMax] += ExtraSystemSessionCount600;
}
if (hos_version >= hos::Version_9_0_0) {
if (hos_version >= hos::Version_9_2_0) {
/* 9.2.0 increased the system session limit. */
/* NOTE: We don't currently support detection of minor version, so we will provide this increase on 9.0.0+. */
/* This shouldn't impact any existing behavior in undesirable ways. */
g_resource_limits[ResourceLimitGroup_System][svc::LimitableResource_SessionCountMax] += ExtraSystemSessionCount920;
}
@ -232,7 +230,8 @@ namespace ams::pm::resource {
}
/* Choose and initialize memory arrangement. */
if (hos_version >= hos::Version_6_0_0) {
const bool use_dynamic_memory_arrangement = (hos_version >= hos::Version_6_0_0) || (svc::IsKernelMesosphere() && hos_version >= hos::Version_5_0_0);
if (use_dynamic_memory_arrangement) {
/* 6.0.0 retrieves memory limit information from the kernel, rather than using a hardcoded profile. */
g_memory_arrangement = spl::MemoryArrangement_Dynamic;
@ -253,14 +252,13 @@ namespace ams::pm::resource {
g_memory_resource_limits[spl::MemoryArrangement_Dynamic][ResourceLimitGroup_System] = total_memory - reserved_non_system_size;
} else {
/* Older system versions retrieve memory arrangement from spl, and use hardcoded profiles. */
g_memory_arrangement = spl::GetMemoryArrangement();
}
/* Adjust memory limits for atmosphere. */
/* We take memory away from applet normally, but away from application on < 3.0.0 to avoid a rare hang on boot. */
/* NOTE: On Version 5.0.0+, we cannot set the pools so simply. We must instead modify the kernel, which we do */
/* via patches in fusee-secondary. */
if (hos_version < hos::Version_6_0_0) {
const size_t extra_memory_size = hos_version == hos::Version_5_0_0 ? ExtraSystemMemorySizeAtmosphere500 : ExtraSystemMemorySizeAtmosphere;
const auto src_group = hos_version >= hos::Version_3_0_0 ? ResourceLimitGroup_Applet : ResourceLimitGroup_Application;
for (size_t i = 0; i < spl::MemoryArrangement_Count; i++) {