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loader: support 11.x DisableDeviceAddressSpaceMerge

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Michael Scire 2020-12-01 17:47:48 -08:00 committed by SciresM
parent 3d4ab95ab2
commit 1b164613a6
3 changed files with 21 additions and 4 deletions
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1
libraries/libstratosphere/include/stratosphere/ldr/ldr_types.hpp
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@ -211,6 +211,7 @@ namespace ams::ldr {
MetaFlag_AddressSpaceTypeMask = (7 << MetaFlag_AddressSpaceTypeShift),
MetaFlag_OptimizeMemoryAllocation = (1 << 4),
MetaFlag_DisableDeviceAddressSpaceMerge = (1 << 5),
};
enum AddressSpaceType {

15
stratosphere/loader/source/ldr_meta.cpp
View file

@ -55,11 +55,20 @@ namespace ams::ldr {
R_UNLESS(npdm->magic == Npdm::Magic, ResultInvalidMeta());
/* Validate flags. */
u32 mask = ~0x1F;
if (hos::GetVersion() < hos::Version_7_0_0) {
/* 7.0.0 added 0x10 as a valid bit to NPDM flags, so before that we only check 0xF. */
u32 mask;
if (hos::GetVersion() >= hos::Version_11_0_0) {
/* 11.0.0 added bit 5 = "DisableDeviceAddressSpaceMerge". */
mask = ~0x3F;
} else if (hos::GetVersion() >= hos::Version_7_0_0) {
/* 7.0.0 added bit 4 = "UseOptimizedMemory" */
mask = ~0x1F;
} else {
mask = ~0xF;
}
/* We set the "DisableDeviceAddressSpaceMerge" bit on all versions, so be permissive with it. */
mask &= ~0x20;
R_UNLESS(!(npdm->flags & mask), ResultInvalidMeta());
/* Validate Acid extents. */

7
stratosphere/loader/source/ldr_process_creation.cpp
View file

@ -326,6 +326,13 @@ namespace ams::ldr {
}
}
/* 11.0.0+ Set Disable DAS merge. */
if (hos::GetVersion() >= hos::Version_11_0_0 || svc::IsKernelMesosphere()) {
if (meta_flags & Npdm::MetaFlag_DisableDeviceAddressSpaceMerge) {
flags |= svc::CreateProcessFlag_DisableDeviceAddressSpaceMerge;
}
}
*out = flags;
return ResultSuccess();
}