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kern: update for new slab resource counts/extents

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Michael Scire 2021-04-07 12:48:20 -07:00 committed by SciresM
parent 6a368d3d1a
commit 15956fcf9a
3 changed files with 9 additions and 14 deletions
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5
libraries/libmesosphere/include/mesosphere/kern_k_memory_layout.hpp
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@ -44,9 +44,8 @@ namespace ams::kern {
constexpr size_t KernelInitialPageHeapSize = 128_KB; constexpr size_t KernelInitialPageHeapSize = 128_KB;
constexpr size_t KernelSlabHeapDataSize = 5_MB; constexpr size_t KernelSlabHeapDataSize = 5_MB;
constexpr size_t KernelSlabHeapGapsSize = 2_MB - 64_KB; constexpr size_t KernelSlabHeapGapsSizeMax = 2_MB - 64_KB;
constexpr size_t KernelSlabHeapGapsSizeDeprecated = 2_MB; constexpr size_t KernelSlabHeapSize = KernelSlabHeapDataSize + KernelSlabHeapGapsSizeMax;
constexpr size_t KernelSlabHeapSize = KernelSlabHeapDataSize + KernelSlabHeapGapsSize;
/* NOTE: This is calculated from KThread slab counts, assuming KThread size <= 0x860. */ /* NOTE: This is calculated from KThread slab counts, assuming KThread size <= 0x860. */
constexpr size_t KernelSlabHeapAdditionalSize = 0x68000; constexpr size_t KernelSlabHeapAdditionalSize = 0x68000;

10
libraries/libmesosphere/source/init/kern_init_slab_setup.cpp
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@ -57,14 +57,14 @@ namespace ams::kern::init {
/* Constexpr counts. */ /* Constexpr counts. */
constexpr size_t SlabCountKProcess = 80; constexpr size_t SlabCountKProcess = 80;
constexpr size_t SlabCountKThread = 800; constexpr size_t SlabCountKThread = 800;
constexpr size_t SlabCountKEvent = 700; constexpr size_t SlabCountKEvent = 900;
constexpr size_t SlabCountKInterruptEvent = 100; constexpr size_t SlabCountKInterruptEvent = 100;
constexpr size_t SlabCountKPort = 256 + 0x20 /* Extra 0x20 ports over Nintendo for homebrew. */; constexpr size_t SlabCountKPort = 256 + 0x20 /* Extra 0x20 ports over Nintendo for homebrew. */;
constexpr size_t SlabCountKSharedMemory = 80; constexpr size_t SlabCountKSharedMemory = 80;
constexpr size_t SlabCountKTransferMemory = 200; constexpr size_t SlabCountKTransferMemory = 200;
constexpr size_t SlabCountKCodeMemory = 10; constexpr size_t SlabCountKCodeMemory = 10;
constexpr size_t SlabCountKDeviceAddressSpace = 300; constexpr size_t SlabCountKDeviceAddressSpace = 300;
constexpr size_t SlabCountKSession = 933; constexpr size_t SlabCountKSession = 1133;
constexpr size_t SlabCountKLightSession = 100; constexpr size_t SlabCountKLightSession = 100;
constexpr size_t SlabCountKObjectName = 7; constexpr size_t SlabCountKObjectName = 7;
constexpr size_t SlabCountKResourceLimit = 5; constexpr size_t SlabCountKResourceLimit = 5;
@ -82,7 +82,7 @@ namespace ams::kern::init {
} }
/* Global to hold our resource counts. */ /* Global to hold our resource counts. */
KSlabResourceCounts g_slab_resource_counts = { constinit KSlabResourceCounts g_slab_resource_counts = {
.num_KProcess = SlabCountKProcess, .num_KProcess = SlabCountKProcess,
.num_KThread = SlabCountKThread, .num_KThread = SlabCountKThread,
.num_KEvent = SlabCountKEvent, .num_KEvent = SlabCountKEvent,
@ -131,7 +131,9 @@ namespace ams::kern::init {
} }
size_t CalculateSlabHeapGapSize() { size_t CalculateSlabHeapGapSize() {
return (kern::GetTargetFirmware() >= TargetFirmware_10_0_0) ? KernelSlabHeapGapsSize : KernelSlabHeapGapsSizeDeprecated; constexpr size_t KernelSlabHeapGapSize = 2_MB - 296_KB;
static_assert(KernelSlabHeapGapSize <= KernelSlabHeapGapsSizeMax);
return KernelSlabHeapGapSize;
} }
size_t CalculateTotalSlabHeapSize() { size_t CalculateTotalSlabHeapSize() {

8
libraries/libmesosphere/source/kern_k_memory_layout.cpp
View file

@ -170,14 +170,8 @@ namespace ams::kern {
size_t KMemoryLayout::GetResourceRegionSizeForInit() { size_t KMemoryLayout::GetResourceRegionSizeForInit() {
/* Calculate resource region size based on whether we allow extra threads. */ /* Calculate resource region size based on whether we allow extra threads. */
const bool use_extra_resources = KSystemControl::Init::ShouldIncreaseThreadResourceLimit(); const bool use_extra_resources = KSystemControl::Init::ShouldIncreaseThreadResourceLimit();
size_t resource_region_size = KernelResourceSize + (use_extra_resources ? KernelSlabHeapAdditionalSize : 0);
/* 10.0.0 reduced the slab heap gaps by 64K. */ return KernelResourceSize + (use_extra_resources ? KernelSlabHeapAdditionalSize : 0);
if (kern::GetTargetFirmware() < ams::TargetFirmware_10_0_0) {
resource_region_size += (KernelSlabHeapGapsSizeDeprecated - KernelSlabHeapGapsSize);
}
return resource_region_size;
} }
} }