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kern: implement SvcSetHeapSize

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This commit is contained in:
Michael Scire
2020-07-15 03:07:00 -07:00
committed by SciresM
parent 9c4c058307
commit 01a7606f95
5 changed files with 162 additions and 3 deletions
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20
libraries/libmesosphere/source/svc/kern_svc_physical_memory.cpp
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@@ -21,6 +21,20 @@ namespace ams::kern::svc {
namespace {
Result SetHeapSize(uintptr_t *out_address, size_t size) {
/* Validate size. */
R_UNLESS(util::IsAligned(size, ams::svc::HeapSizeAlignment), svc::ResultInvalidSize());
R_UNLESS(size < ams::kern::MainMemorySize, svc::ResultInvalidSize());
/* Set the heap size. */
KProcessAddress address;
R_TRY(GetCurrentProcess().GetPageTable().SetHeapSize(std::addressof(address), size));
/* Set the output. */
*out_address = GetInteger(address);
return ResultSuccess();
}
Result SetUnsafeLimit(size_t limit) {
/* Ensure the size is aligned. */
R_UNLESS(util::IsAligned(limit, PageSize), svc::ResultInvalidSize());
@@ -37,7 +51,8 @@ namespace ams::kern::svc {
/* ============================= 64 ABI ============================= */
Result SetHeapSize64(ams::svc::Address *out_address, ams::svc::Size size) {
MESOSPHERE_PANIC("Stubbed SvcSetHeapSize64 was called.");
static_assert(sizeof(*out_address) == sizeof(uintptr_t));
return SetHeapSize(reinterpret_cast<uintptr_t *>(out_address), size);
}
Result MapPhysicalMemory64(ams::svc::Address address, ams::svc::Size size) {
@@ -63,7 +78,8 @@ namespace ams::kern::svc {
/* ============================= 64From32 ABI ============================= */
Result SetHeapSize64From32(ams::svc::Address *out_address, ams::svc::Size size) {
MESOSPHERE_PANIC("Stubbed SvcSetHeapSize64From32 was called.");
static_assert(sizeof(*out_address) == sizeof(uintptr_t));
return SetHeapSize(reinterpret_cast<uintptr_t *>(out_address), size);
}
Result MapPhysicalMemory64From32(ams::svc::Address address, ams::svc::Size size) {