From ec9b6641b12aa04ae3d7782b0423037dbc1400ac Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Fri, 12 Feb 2021 19:05:24 -0500
Subject: kernel: More accurately reserve and release resources
---
src/core/hle/kernel/kernel.cpp | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
(limited to 'src/core/hle/kernel/kernel.cpp')
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 8da5a5c860..b6e6f115eb 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -141,11 +141,17 @@ struct KernelCore::Impl {
ASSERT(system_resource_limit->SetLimitValue(LimitableResource::Events, 700).IsSuccess());
ASSERT(system_resource_limit->SetLimitValue(LimitableResource::TransferMemory, 200)
.IsSuccess());
- ASSERT(system_resource_limit->SetLimitValue(LimitableResource::Sessions, 900).IsSuccess());
+ ASSERT(system_resource_limit->SetLimitValue(LimitableResource::Sessions, 933).IsSuccess());
- if (!system_resource_limit->Reserve(LimitableResource::PhysicalMemory, 0x60000)) {
+ // Derived from recent software updates. The kernel reserves 27MB
+ constexpr u64 kernel_size{0x1b00000};
+ if (!system_resource_limit->Reserve(LimitableResource::PhysicalMemory, kernel_size)) {
UNREACHABLE();
}
+ // Reserve secure applet memory, introduced in firmware 5.0.0
+ constexpr u64 secure_applet_memory_size{0x400000};
+ ASSERT(system_resource_limit->Reserve(LimitableResource::PhysicalMemory,
+ secure_applet_memory_size));
}
void InitializePreemption(KernelCore& kernel) {
@@ -302,8 +308,11 @@ struct KernelCore::Impl {
// Allocate slab heaps
user_slab_heap_pages = std::make_unique<Memory::SlabHeap<Memory::Page>>();
+ constexpr u64 user_slab_heap_size{0x1ef000};
+ // Reserve slab heaps
+ ASSERT(
+ system_resource_limit->Reserve(LimitableResource::PhysicalMemory, user_slab_heap_size));
// Initialize slab heaps
- constexpr u64 user_slab_heap_size{0x3de000};
user_slab_heap_pages->Initialize(
system.DeviceMemory().GetPointer(Core::DramMemoryMap::SlabHeapBase),
user_slab_heap_size);
--
cgit v1.2.3-70-g09d2