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kern/os: support CreateProcessFlag_EnableAliasRegionExtraSize

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This commit is contained in:
Michael Scire 2024-03-28 02:07:04 -07:00
parent 8cacb07d5f
commit 5e63792a67
10 changed files with 68 additions and 33 deletions
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4
libraries/libmesosphere/source/svc/kern_svc_info.cpp
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@ -106,6 +106,9 @@ namespace ams::kern::svc {
*out = 0;
}
break;
case ams::svc::InfoType_AliasRegionExtraSize:
*out = process->GetPageTable().GetAliasRegionExtraSize();
break;
MESOSPHERE_UNREACHABLE_DEFAULT_CASE();
}
@ -134,6 +137,7 @@ namespace ams::kern::svc {
case ams::svc::InfoType_UsedNonSystemMemorySize:
case ams::svc::InfoType_IsApplication:
case ams::svc::InfoType_FreeThreadCount:
case ams::svc::InfoType_AliasRegionExtraSize:
{
/* These info types don't support non-zero subtypes. */
R_UNLESS(info_subtype == 0, svc::ResultInvalidCombination());

12
libraries/libmesosphere/source/svc/kern_svc_process.cpp
View file

@ -162,6 +162,18 @@ namespace ams::kern::svc {
/* Check that the number of extra resource pages is >= 0. */
R_UNLESS(params.system_resource_num_pages >= 0, svc::ResultInvalidSize());
/* Validate that the alias region extra size is allowed, if enabled. */
if (params.flags & ams::svc::CreateProcessFlag_EnableAliasRegionExtraSize) {
/* Check that we have a 64-bit address space. */
R_UNLESS((params.flags & ams::svc::CreateProcessFlag_AddressSpaceMask) == ams::svc::CreateProcessFlag_AddressSpace64Bit, svc::ResultInvalidState());
/* Check that the system resource page count is non-zero. */
R_UNLESS(params.system_resource_num_pages > 0, svc::ResultInvalidState());
/* Check that debug mode is enabled. */
R_UNLESS(KTargetSystem::IsDebugMode(), svc::ResultInvalidState());
}
/* Convert to sizes. */
const size_t code_num_pages = params.code_num_pages;
const size_t system_resource_num_pages = params.system_resource_num_pages;