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author | bunnei <bunneidev@gmail.com> | 2021-12-28 00:18:41 -0800 |
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committer | bunnei <bunneidev@gmail.com> | 2021-12-28 01:25:20 -0800 |
commit | 091463a429c39969750e03a1b9cba04d7bd5a732 (patch) | |
tree | 496f636795bebc33a3fef016604f6c78c317915e /src/core/hle/kernel/svc.cpp | |
parent | 9a0648ff0ad38195d7211b8c65d82b93fe123949 (diff) |
core: hle: kernel: Updated implementation of svcSetHeapSize.
- Updates our svcSetHeapSize with latest HOS, furthermore allowing heap size to properly be extended/shrunk.
- Validated with tests https://github.com/Atmosphere-NX/Atmosphere/blob/master/tests/TestSvc/source/test_set_heap_size.cpp.
Diffstat (limited to 'src/core/hle/kernel/svc.cpp')
-rw-r--r-- | src/core/hle/kernel/svc.cpp | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 68cb472110..63e2dff19f 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -135,24 +135,15 @@ enum class ResourceLimitValueType { } // Anonymous namespace /// Set the process heap to a given Size. It can both extend and shrink the heap. -static ResultCode SetHeapSize(Core::System& system, VAddr* heap_addr, u64 heap_size) { - LOG_TRACE(Kernel_SVC, "called, heap_size=0x{:X}", heap_size); +static ResultCode SetHeapSize(Core::System& system, VAddr* out_address, u64 size) { + LOG_TRACE(Kernel_SVC, "called, heap_size=0x{:X}", size); - // Size must be a multiple of 0x200000 (2MB) and be equal to or less than 8GB. - if ((heap_size % 0x200000) != 0) { - LOG_ERROR(Kernel_SVC, "The heap size is not a multiple of 2MB, heap_size=0x{:016X}", - heap_size); - return ResultInvalidSize; - } - - if (heap_size >= 0x200000000) { - LOG_ERROR(Kernel_SVC, "The heap size is not less than 8GB, heap_size=0x{:016X}", heap_size); - return ResultInvalidSize; - } - - auto& page_table{system.Kernel().CurrentProcess()->PageTable()}; + // Validate size. + R_UNLESS(Common::IsAligned(size, HeapSizeAlignment), ResultInvalidSize); + R_UNLESS(size < MainMemorySizeMax, ResultInvalidSize); - CASCADE_RESULT(*heap_addr, page_table.SetHeapSize(heap_size)); + // Set the heap size. + R_TRY(system.Kernel().CurrentProcess()->PageTable().SetHeapSize(out_address, size)); return ResultSuccess; } |