From c4065c976c4e20b5b4b9c38778adf5a55d94f0b9 Mon Sep 17 00:00:00 2001
From: Michael Scire <SciresM@gmail.com>
Date: Mon, 2 Mar 2020 19:49:34 -0800
Subject: [PATCH] pm/fusee: add support for 9.2.0

---
 fusee/fusee-secondary/src/kernel_patches.c             | 10 ++++++++++
 .../libmesosphere/source/init/kern_init_slab_setup.cpp |  2 +-
 .../libvapours/include/vapours/ams/ams_api_version.h   |  2 +-
 stratosphere/pm/source/impl/pm_resource_manager.cpp    |  7 +++++++
 4 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/fusee/fusee-secondary/src/kernel_patches.c b/fusee/fusee-secondary/src/kernel_patches.c
index 659ce8e08..0a6c4c079 100644
--- a/fusee/fusee-secondary/src/kernel_patches.c
+++ b/fusee/fusee-secondary/src/kernel_patches.c
@@ -801,6 +801,16 @@ static const kernel_info_t g_kernel_infos[] = {
         .embedded_ini_ptr = 0x180,
         .free_code_space_offset = 0x65780,
         KERNEL_PATCHES(900)
+    },
+    {   /* 9.2.0. */
+        /* NOTE: 9.2.0 has identical kernel layout to 9.0.0, so patches may be reused. */
+        .hash = {0x66, 0xE7, 0x73, 0xE7, 0xF5, 0xCB, 0x9B, 0xB8, 0x66, 0xB7, 0xB1, 0x26, 0x23, 0x02, 0x76, 0xF2, 0xD1, 0x60, 0x3E, 0x09, 0x14, 0x19, 0xC2, 0x84, 0xFA, 0x5D, 0x0F, 0x16, 0xA3, 0x65, 0xFA, 0x17},
+        .hash_offset = 0x1C0,
+        .hash_size = 0x90000 - 0x1C0,
+        .embedded_ini_offset = 0x90000,
+        .embedded_ini_ptr = 0x180,
+        .free_code_space_offset = 0x65780,
+        KERNEL_PATCHES(900)
     }
 };
 
diff --git a/libraries/libmesosphere/source/init/kern_init_slab_setup.cpp b/libraries/libmesosphere/source/init/kern_init_slab_setup.cpp
index db644ec1a..65451a9b6 100644
--- a/libraries/libmesosphere/source/init/kern_init_slab_setup.cpp
+++ b/libraries/libmesosphere/source/init/kern_init_slab_setup.cpp
@@ -63,7 +63,7 @@ namespace ams::kern::init {
         constexpr size_t SlabCountKTransferMemory       = 200;
         constexpr size_t SlabCountKCodeMemory           = 10;
         constexpr size_t SlabCountKDeviceAddressSpace   = 300;
-        constexpr size_t SlabCountKSession              = 900;
+        constexpr size_t SlabCountKSession              = 933;
         constexpr size_t SlabCountKLightSession         = 100;
         constexpr size_t SlabCountKObjectName           = 7;
         constexpr size_t SlabCountKResourceLimit        = 5;
diff --git a/libraries/libvapours/include/vapours/ams/ams_api_version.h b/libraries/libvapours/include/vapours/ams/ams_api_version.h
index db082832e..652478ffb 100644
--- a/libraries/libvapours/include/vapours/ams/ams_api_version.h
+++ b/libraries/libvapours/include/vapours/ams/ams_api_version.h
@@ -22,5 +22,5 @@
 #define ATMOSPHERE_RELEASE_VERSION ATMOSPHERE_RELEASE_VERSION_MAJOR, ATMOSPHERE_RELEASE_VERSION_MINOR, ATMOSPHERE_RELEASE_VERSION_MICRO
 
 #define ATMOSPHERE_SUPPORTED_HOS_VERSION_MAJOR 9
-#define ATMOSPHERE_SUPPORTED_HOS_VERSION_MINOR 1
+#define ATMOSPHERE_SUPPORTED_HOS_VERSION_MINOR 2
 #define ATMOSPHERE_SUPPORTED_HOS_VERSION_MICRO 0
diff --git a/stratosphere/pm/source/impl/pm_resource_manager.cpp b/stratosphere/pm/source/impl/pm_resource_manager.cpp
index 48132b641..cfff9bbc9 100644
--- a/stratosphere/pm/source/impl/pm_resource_manager.cpp
+++ b/stratosphere/pm/source/impl/pm_resource_manager.cpp
@@ -35,6 +35,7 @@ namespace ams::pm::resource {
         constexpr size_t ExtraSystemEventCount600    = 100;
         constexpr size_t ExtraSystemSessionCount600  = 100;
         constexpr size_t ReservedMemorySize600       = 5_MB;
+        constexpr size_t ExtraSystemSessionCount920  = 33;
 
         /* Atmosphere always allocates extra memory for system usage. */
         constexpr size_t ExtraSystemMemorySizeAtmosphere    = 24_MB;
@@ -205,6 +206,12 @@ namespace ams::pm::resource {
             g_resource_limits[ResourceLimitGroup_System][LimitableResource_Events]   += ExtraSystemEventCount600;
             g_resource_limits[ResourceLimitGroup_System][LimitableResource_Sessions] += ExtraSystemSessionCount600;
         }
+        if (hos_version >= hos::Version_900) {
+            /* 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][LimitableResource_Sessions] += ExtraSystemSessionCount920;
+        }
 
         /* 7.0.0+: Calculate the number of extra application threads available. */
         if (hos::GetVersion() >= hos::Version_700) {