mirror of
https://github.com/yuzu-emu/yuzu-android.git
synced 2024-11-23 04:15:40 +01:00
Merge pull request #7698 from bunnei/mem-code-memory-updates
Kernel Memory Updates (Part 2): SetProcessMemoryPermission, update permissions, and other minor changes.
This commit is contained in:
Mai M
GitHub
commit
07e477f891
@ -298,7 +298,7 @@ ResultCode KPageTable::MapProcessCode(VAddr addr, std::size_t num_pages, KMemory
|
||||
return ResultSuccess;
|
||||
}
|
||||
|
||||
ResultCode KPageTable::MapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
|
||||
ResultCode KPageTable::MapCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
|
||||
std::lock_guard lock{page_table_lock};
|
||||
|
||||
const std::size_t num_pages{size / PageSize};
|
||||
@ -307,7 +307,7 @@ ResultCode KPageTable::MapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std:
|
||||
KMemoryPermission perm{};
|
||||
CASCADE_CODE(CheckMemoryState(&state, &perm, nullptr, nullptr, src_addr, size,
|
||||
KMemoryState::All, KMemoryState::Normal, KMemoryPermission::All,
|
||||
KMemoryPermission::ReadAndWrite, KMemoryAttribute::Mask,
|
||||
KMemoryPermission::UserReadWrite, KMemoryAttribute::Mask,
|
||||
KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped));
|
||||
|
||||
if (IsRegionMapped(dst_addr, size)) {
|
||||
@ -335,7 +335,7 @@ ResultCode KPageTable::MapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std:
|
||||
return ResultSuccess;
|
||||
}
|
||||
|
||||
ResultCode KPageTable::UnmapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
|
||||
ResultCode KPageTable::UnmapCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
|
||||
std::lock_guard lock{page_table_lock};
|
||||
|
||||
if (!size) {
|
||||
@ -361,7 +361,7 @@ ResultCode KPageTable::UnmapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, st
|
||||
|
||||
block_manager->Update(dst_addr, num_pages, KMemoryState::Free);
|
||||
block_manager->Update(src_addr, num_pages, KMemoryState::Normal,
|
||||
KMemoryPermission::ReadAndWrite);
|
||||
KMemoryPermission::UserReadWrite);
|
||||
|
||||
system.InvalidateCpuInstructionCacheRange(dst_addr, size);
|
||||
|
||||
@ -416,7 +416,7 @@ void KPageTable::MapPhysicalMemory(KPageLinkedList& page_linked_list, VAddr star
|
||||
}
|
||||
|
||||
const std::size_t num_pages{std::min(src_num_pages, dst_num_pages)};
|
||||
Operate(dst_addr, num_pages, KMemoryPermission::ReadAndWrite, OperationType::Map,
|
||||
Operate(dst_addr, num_pages, KMemoryPermission::UserReadWrite, OperationType::Map,
|
||||
map_addr);
|
||||
|
||||
dst_addr += num_pages * PageSize;
|
||||
@ -470,7 +470,7 @@ ResultCode KPageTable::MapPhysicalMemory(VAddr addr, std::size_t size) {
|
||||
const std::size_t num_pages{size / PageSize};
|
||||
block_manager->Update(addr, num_pages, KMemoryState::Free, KMemoryPermission::None,
|
||||
KMemoryAttribute::None, KMemoryState::Normal,
|
||||
KMemoryPermission::ReadAndWrite, KMemoryAttribute::None);
|
||||
KMemoryPermission::UserReadWrite, KMemoryAttribute::None);
|
||||
|
||||
return ResultSuccess;
|
||||
}
|
||||
@ -554,7 +554,7 @@ ResultCode KPageTable::Map(VAddr dst_addr, VAddr src_addr, std::size_t size) {
|
||||
KMemoryState src_state{};
|
||||
CASCADE_CODE(CheckMemoryState(
|
||||
&src_state, nullptr, nullptr, nullptr, src_addr, size, KMemoryState::FlagCanAlias,
|
||||
KMemoryState::FlagCanAlias, KMemoryPermission::All, KMemoryPermission::ReadAndWrite,
|
||||
KMemoryState::FlagCanAlias, KMemoryPermission::All, KMemoryPermission::UserReadWrite,
|
||||
KMemoryAttribute::Mask, KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped));
|
||||
|
||||
if (IsRegionMapped(dst_addr, size)) {
|
||||
@ -568,13 +568,13 @@ ResultCode KPageTable::Map(VAddr dst_addr, VAddr src_addr, std::size_t size) {
|
||||
|
||||
{
|
||||
auto block_guard = detail::ScopeExit([&] {
|
||||
Operate(src_addr, num_pages, KMemoryPermission::ReadAndWrite,
|
||||
Operate(src_addr, num_pages, KMemoryPermission::UserReadWrite,
|
||||
OperationType::ChangePermissions);
|
||||
});
|
||||
|
||||
CASCADE_CODE(Operate(src_addr, num_pages, KMemoryPermission::None,
|
||||
OperationType::ChangePermissions));
|
||||
CASCADE_CODE(MapPages(dst_addr, page_linked_list, KMemoryPermission::ReadAndWrite));
|
||||
CASCADE_CODE(MapPages(dst_addr, page_linked_list, KMemoryPermission::UserReadWrite));
|
||||
|
||||
block_guard.Cancel();
|
||||
}
|
||||
@ -582,7 +582,7 @@ ResultCode KPageTable::Map(VAddr dst_addr, VAddr src_addr, std::size_t size) {
|
||||
block_manager->Update(src_addr, num_pages, src_state, KMemoryPermission::None,
|
||||
KMemoryAttribute::Locked);
|
||||
block_manager->Update(dst_addr, num_pages, KMemoryState::Stack,
|
||||
KMemoryPermission::ReadAndWrite);
|
||||
KMemoryPermission::UserReadWrite);
|
||||
|
||||
return ResultSuccess;
|
||||
}
|
||||
@ -617,13 +617,13 @@ ResultCode KPageTable::Unmap(VAddr dst_addr, VAddr src_addr, std::size_t size) {
|
||||
auto block_guard = detail::ScopeExit([&] { MapPages(dst_addr, dst_pages, dst_perm); });
|
||||
|
||||
CASCADE_CODE(Operate(dst_addr, num_pages, KMemoryPermission::None, OperationType::Unmap));
|
||||
CASCADE_CODE(Operate(src_addr, num_pages, KMemoryPermission::ReadAndWrite,
|
||||
CASCADE_CODE(Operate(src_addr, num_pages, KMemoryPermission::UserReadWrite,
|
||||
OperationType::ChangePermissions));
|
||||
|
||||
block_guard.Cancel();
|
||||
}
|
||||
|
||||
block_manager->Update(src_addr, num_pages, src_state, KMemoryPermission::ReadAndWrite);
|
||||
block_manager->Update(src_addr, num_pages, src_state, KMemoryPermission::UserReadWrite);
|
||||
block_manager->Update(dst_addr, num_pages, KMemoryState::Free);
|
||||
|
||||
return ResultSuccess;
|
||||
@ -713,50 +713,61 @@ ResultCode KPageTable::UnmapPages(VAddr addr, KPageLinkedList& page_linked_list,
|
||||
}
|
||||
|
||||
ResultCode KPageTable::SetProcessMemoryPermission(VAddr addr, std::size_t size,
|
||||
KMemoryPermission perm) {
|
||||
Svc::MemoryPermission svc_perm) {
|
||||
const size_t num_pages = size / PageSize;
|
||||
|
||||
// Lock the table.
|
||||
std::lock_guard lock{page_table_lock};
|
||||
|
||||
KMemoryState prev_state{};
|
||||
KMemoryPermission prev_perm{};
|
||||
// Verify we can change the memory permission.
|
||||
KMemoryState old_state;
|
||||
KMemoryPermission old_perm;
|
||||
size_t num_allocator_blocks;
|
||||
R_TRY(this->CheckMemoryState(std::addressof(old_state), std::addressof(old_perm), nullptr,
|
||||
std::addressof(num_allocator_blocks), addr, size,
|
||||
KMemoryState::FlagCode, KMemoryState::FlagCode,
|
||||
KMemoryPermission::None, KMemoryPermission::None,
|
||||
KMemoryAttribute::All, KMemoryAttribute::None));
|
||||
|
||||
CASCADE_CODE(CheckMemoryState(
|
||||
&prev_state, &prev_perm, nullptr, nullptr, addr, size, KMemoryState::FlagCode,
|
||||
KMemoryState::FlagCode, KMemoryPermission::None, KMemoryPermission::None,
|
||||
KMemoryAttribute::Mask, KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped));
|
||||
// Determine new perm/state.
|
||||
const KMemoryPermission new_perm = ConvertToKMemoryPermission(svc_perm);
|
||||
KMemoryState new_state = old_state;
|
||||
const bool is_w = (new_perm & KMemoryPermission::UserWrite) == KMemoryPermission::UserWrite;
|
||||
const bool is_x = (new_perm & KMemoryPermission::UserExecute) == KMemoryPermission::UserExecute;
|
||||
const bool was_x =
|
||||
(old_perm & KMemoryPermission::UserExecute) == KMemoryPermission::UserExecute;
|
||||
ASSERT(!(is_w && is_x));
|
||||
|
||||
KMemoryState state{prev_state};
|
||||
|
||||
// Ensure state is mutable if permission allows write
|
||||
if ((perm & KMemoryPermission::Write) != KMemoryPermission::None) {
|
||||
if (prev_state == KMemoryState::Code) {
|
||||
state = KMemoryState::CodeData;
|
||||
} else if (prev_state == KMemoryState::AliasCode) {
|
||||
state = KMemoryState::AliasCodeData;
|
||||
} else {
|
||||
if (is_w) {
|
||||
switch (old_state) {
|
||||
case KMemoryState::Code:
|
||||
new_state = KMemoryState::CodeData;
|
||||
break;
|
||||
case KMemoryState::AliasCode:
|
||||
new_state = KMemoryState::AliasCodeData;
|
||||
break;
|
||||
default:
|
||||
UNREACHABLE();
|
||||
}
|
||||
}
|
||||
|
||||
// Return early if there is nothing to change
|
||||
if (state == prev_state && perm == prev_perm) {
|
||||
return ResultSuccess;
|
||||
}
|
||||
// Succeed if there's nothing to do.
|
||||
R_SUCCEED_IF(old_perm == new_perm && old_state == new_state);
|
||||
|
||||
if ((prev_perm & KMemoryPermission::Execute) != (perm & KMemoryPermission::Execute)) {
|
||||
// Perform mapping operation.
|
||||
const auto operation =
|
||||
was_x ? OperationType::ChangePermissionsAndRefresh : OperationType::ChangePermissions;
|
||||
R_TRY(Operate(addr, num_pages, new_perm, operation));
|
||||
|
||||
// Update the blocks.
|
||||
block_manager->Update(addr, num_pages, new_state, new_perm, KMemoryAttribute::None);
|
||||
|
||||
// Ensure cache coherency, if we're setting pages as executable.
|
||||
if (is_x) {
|
||||
// Memory execution state is changing, invalidate CPU cache range
|
||||
system.InvalidateCpuInstructionCacheRange(addr, size);
|
||||
}
|
||||
|
||||
const std::size_t num_pages{size / PageSize};
|
||||
const OperationType operation{(perm & KMemoryPermission::Execute) != KMemoryPermission::None
|
||||
? OperationType::ChangePermissionsAndRefresh
|
||||
: OperationType::ChangePermissions};
|
||||
|
||||
CASCADE_CODE(Operate(addr, num_pages, perm, operation));
|
||||
|
||||
block_manager->Update(addr, num_pages, state, perm);
|
||||
|
||||
return ResultSuccess;
|
||||
}
|
||||
|
||||
@ -785,7 +796,7 @@ ResultCode KPageTable::ReserveTransferMemory(VAddr addr, std::size_t size, KMemo
|
||||
&state, nullptr, &attribute, nullptr, addr, size,
|
||||
KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted,
|
||||
KMemoryState::FlagCanTransfer | KMemoryState::FlagReferenceCounted, KMemoryPermission::All,
|
||||
KMemoryPermission::ReadAndWrite, KMemoryAttribute::Mask, KMemoryAttribute::None,
|
||||
KMemoryPermission::UserReadWrite, KMemoryAttribute::Mask, KMemoryAttribute::None,
|
||||
KMemoryAttribute::IpcAndDeviceMapped));
|
||||
|
||||
block_manager->Update(addr, size / PageSize, state, perm, attribute | KMemoryAttribute::Locked);
|
||||
@ -805,7 +816,7 @@ ResultCode KPageTable::ResetTransferMemory(VAddr addr, std::size_t size) {
|
||||
KMemoryPermission::None, KMemoryPermission::None, KMemoryAttribute::Mask,
|
||||
KMemoryAttribute::Locked, KMemoryAttribute::IpcAndDeviceMapped));
|
||||
|
||||
block_manager->Update(addr, size / PageSize, state, KMemoryPermission::ReadAndWrite);
|
||||
block_manager->Update(addr, size / PageSize, state, KMemoryPermission::UserReadWrite);
|
||||
return ResultSuccess;
|
||||
}
|
||||
|
||||
@ -906,7 +917,7 @@ ResultCode KPageTable::SetHeapSize(VAddr* out, std::size_t size) {
|
||||
R_TRY(this->CheckMemoryState(std::addressof(num_allocator_blocks),
|
||||
heap_region_start + size, GetHeapSize() - size,
|
||||
KMemoryState::All, KMemoryState::Normal,
|
||||
KMemoryPermission::All, KMemoryPermission::ReadAndWrite,
|
||||
KMemoryPermission::All, KMemoryPermission::UserReadWrite,
|
||||
KMemoryAttribute::All, KMemoryAttribute::None));
|
||||
|
||||
// Unmap the end of the heap.
|
||||
@ -981,7 +992,7 @@ ResultCode KPageTable::SetHeapSize(VAddr* out, std::size_t size) {
|
||||
|
||||
// Apply the memory block update.
|
||||
block_manager->Update(current_heap_end, num_pages, KMemoryState::Normal,
|
||||
KMemoryPermission::ReadAndWrite, KMemoryAttribute::None);
|
||||
KMemoryPermission::UserReadWrite, KMemoryAttribute::None);
|
||||
|
||||
// Update the current heap end.
|
||||
current_heap_end = heap_region_start + size;
|
||||
|
||||
@ -31,8 +31,8 @@ public:
|
||||
KMemoryManager::Pool pool);
|
||||
ResultCode MapProcessCode(VAddr addr, std::size_t pages_count, KMemoryState state,
|
||||
KMemoryPermission perm);
|
||||
ResultCode MapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
|
||||
ResultCode UnmapProcessCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
|
||||
ResultCode MapCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
|
||||
ResultCode UnmapCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
|
||||
ResultCode UnmapProcessMemory(VAddr dst_addr, std::size_t size, KPageTable& src_page_table,
|
||||
VAddr src_addr);
|
||||
ResultCode MapPhysicalMemory(VAddr addr, std::size_t size);
|
||||
@ -43,7 +43,8 @@ public:
|
||||
ResultCode MapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state,
|
||||
KMemoryPermission perm);
|
||||
ResultCode UnmapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state);
|
||||
ResultCode SetProcessMemoryPermission(VAddr addr, std::size_t size, KMemoryPermission perm);
|
||||
ResultCode SetProcessMemoryPermission(VAddr addr, std::size_t size,
|
||||
Svc::MemoryPermission svc_perm);
|
||||
KMemoryInfo QueryInfo(VAddr addr);
|
||||
ResultCode ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm);
|
||||
ResultCode ResetTransferMemory(VAddr addr, std::size_t size);
|
||||
|
||||
@ -509,7 +509,7 @@ VAddr KProcess::CreateTLSRegion() {
|
||||
const VAddr tls_page_addr{page_table
|
||||
->AllocateAndMapMemory(1, PageSize, true, start, size / PageSize,
|
||||
KMemoryState::ThreadLocal,
|
||||
KMemoryPermission::ReadAndWrite,
|
||||
KMemoryPermission::UserReadWrite,
|
||||
tls_map_addr)
|
||||
.ValueOr(0)};
|
||||
|
||||
@ -541,16 +541,16 @@ void KProcess::FreeTLSRegion(VAddr tls_address) {
|
||||
|
||||
void KProcess::LoadModule(CodeSet code_set, VAddr base_addr) {
|
||||
const auto ReprotectSegment = [&](const CodeSet::Segment& segment,
|
||||
KMemoryPermission permission) {
|
||||
Svc::MemoryPermission permission) {
|
||||
page_table->SetProcessMemoryPermission(segment.addr + base_addr, segment.size, permission);
|
||||
};
|
||||
|
||||
kernel.System().Memory().WriteBlock(*this, base_addr, code_set.memory.data(),
|
||||
code_set.memory.size());
|
||||
|
||||
ReprotectSegment(code_set.CodeSegment(), KMemoryPermission::ReadAndExecute);
|
||||
ReprotectSegment(code_set.RODataSegment(), KMemoryPermission::Read);
|
||||
ReprotectSegment(code_set.DataSegment(), KMemoryPermission::ReadAndWrite);
|
||||
ReprotectSegment(code_set.CodeSegment(), Svc::MemoryPermission::ReadExecute);
|
||||
ReprotectSegment(code_set.RODataSegment(), Svc::MemoryPermission::Read);
|
||||
ReprotectSegment(code_set.DataSegment(), Svc::MemoryPermission::ReadWrite);
|
||||
}
|
||||
|
||||
bool KProcess::IsSignaled() const {
|
||||
@ -587,7 +587,7 @@ ResultCode KProcess::AllocateMainThreadStack(std::size_t stack_size) {
|
||||
CASCADE_RESULT(main_thread_stack_top,
|
||||
page_table->AllocateAndMapMemory(
|
||||
main_thread_stack_size / PageSize, PageSize, false, start, size / PageSize,
|
||||
KMemoryState::Stack, KMemoryPermission::ReadAndWrite));
|
||||
KMemoryState::Stack, KMemoryPermission::UserReadWrite));
|
||||
|
||||
main_thread_stack_top += main_thread_stack_size;
|
||||
|
||||
|
||||
@ -16,17 +16,25 @@ namespace Kernel {
|
||||
PhysicalCore::PhysicalCore(std::size_t core_index_, Core::System& system_, KScheduler& scheduler_,
|
||||
Core::CPUInterrupts& interrupts_)
|
||||
: core_index{core_index_}, system{system_}, scheduler{scheduler_},
|
||||
interrupts{interrupts_}, guard{std::make_unique<Common::SpinLock>()} {}
|
||||
interrupts{interrupts_}, guard{std::make_unique<Common::SpinLock>()} {
|
||||
#ifdef ARCHITECTURE_x86_64
|
||||
// TODO(bunnei): Initialization relies on a core being available. We may later replace this with
|
||||
// a 32-bit instance of Dynarmic. This should be abstracted out to a CPU manager.
|
||||
auto& kernel = system.Kernel();
|
||||
arm_interface = std::make_unique<Core::ARM_Dynarmic_64>(
|
||||
system, interrupts, kernel.IsMulticore(), kernel.GetExclusiveMonitor(), core_index);
|
||||
#else
|
||||
#error Platform not supported yet.
|
||||
#endif
|
||||
}
|
||||
|
||||
PhysicalCore::~PhysicalCore() = default;
|
||||
|
||||
void PhysicalCore::Initialize([[maybe_unused]] bool is_64_bit) {
|
||||
#ifdef ARCHITECTURE_x86_64
|
||||
auto& kernel = system.Kernel();
|
||||
if (is_64_bit) {
|
||||
arm_interface = std::make_unique<Core::ARM_Dynarmic_64>(
|
||||
system, interrupts, kernel.IsMulticore(), kernel.GetExclusiveMonitor(), core_index);
|
||||
} else {
|
||||
if (!is_64_bit) {
|
||||
// We already initialized a 64-bit core, replace with a 32-bit one.
|
||||
arm_interface = std::make_unique<Core::ARM_Dynarmic_32>(
|
||||
system, interrupts, kernel.IsMulticore(), kernel.GetExclusiveMonitor(), core_index);
|
||||
}
|
||||
|
||||
@ -1309,6 +1309,8 @@ static ResultCode SetProcessMemoryPermission(Core::System& system, Handle proces
|
||||
R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
|
||||
R_UNLESS(size > 0, ResultInvalidSize);
|
||||
R_UNLESS((address < address + size), ResultInvalidCurrentMemory);
|
||||
R_UNLESS(address == static_cast<uintptr_t>(address), ResultInvalidCurrentMemory);
|
||||
R_UNLESS(size == static_cast<size_t>(size), ResultInvalidCurrentMemory);
|
||||
|
||||
// Validate the memory permission.
|
||||
R_UNLESS(IsValidProcessMemoryPermission(perm), ResultInvalidNewMemoryPermission);
|
||||
@ -1323,7 +1325,7 @@ static ResultCode SetProcessMemoryPermission(Core::System& system, Handle proces
|
||||
R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);
|
||||
|
||||
// Set the memory permission.
|
||||
return page_table.SetProcessMemoryPermission(address, size, ConvertToKMemoryPermission(perm));
|
||||
return page_table.SetProcessMemoryPermission(address, size, perm);
|
||||
}
|
||||
|
||||
static ResultCode MapProcessMemory(Core::System& system, VAddr dst_address, Handle process_handle,
|
||||
@ -1626,7 +1628,7 @@ static ResultCode MapProcessCodeMemory(Core::System& system, Handle process_hand
|
||||
return ResultInvalidMemoryRegion;
|
||||
}
|
||||
|
||||
return page_table.MapProcessCodeMemory(dst_address, src_address, size);
|
||||
return page_table.MapCodeMemory(dst_address, src_address, size);
|
||||
}
|
||||
|
||||
static ResultCode UnmapProcessCodeMemory(Core::System& system, Handle process_handle,
|
||||
@ -1694,7 +1696,7 @@ static ResultCode UnmapProcessCodeMemory(Core::System& system, Handle process_ha
|
||||
return ResultInvalidMemoryRegion;
|
||||
}
|
||||
|
||||
return page_table.UnmapProcessCodeMemory(dst_address, src_address, size);
|
||||
return page_table.UnmapCodeMemory(dst_address, src_address, size);
|
||||
}
|
||||
|
||||
/// Exits the current process
|
||||
|
||||
@ -14,6 +14,7 @@
|
||||
#include "core/hle/kernel/k_page_table.h"
|
||||
#include "core/hle/kernel/k_system_control.h"
|
||||
#include "core/hle/kernel/svc_results.h"
|
||||
#include "core/hle/kernel/svc_types.h"
|
||||
#include "core/hle/service/ldr/ldr.h"
|
||||
#include "core/hle/service/service.h"
|
||||
#include "core/loader/nro.h"
|
||||
@ -325,7 +326,7 @@ public:
|
||||
for (std::size_t retry = 0; retry < MAXIMUM_MAP_RETRIES; retry++) {
|
||||
auto& page_table{process->PageTable()};
|
||||
const VAddr addr{GetRandomMapRegion(page_table, size)};
|
||||
const ResultCode result{page_table.MapProcessCodeMemory(addr, baseAddress, size)};
|
||||
const ResultCode result{page_table.MapCodeMemory(addr, baseAddress, size)};
|
||||
|
||||
if (result == Kernel::ResultInvalidCurrentMemory) {
|
||||
continue;
|
||||
@ -351,12 +352,12 @@ public:
|
||||
|
||||
if (bss_size) {
|
||||
auto block_guard = detail::ScopeExit([&] {
|
||||
page_table.UnmapProcessCodeMemory(addr + nro_size, bss_addr, bss_size);
|
||||
page_table.UnmapProcessCodeMemory(addr, nro_addr, nro_size);
|
||||
page_table.UnmapCodeMemory(addr + nro_size, bss_addr, bss_size);
|
||||
page_table.UnmapCodeMemory(addr, nro_addr, nro_size);
|
||||
});
|
||||
|
||||
const ResultCode result{
|
||||
page_table.MapProcessCodeMemory(addr + nro_size, bss_addr, bss_size)};
|
||||
page_table.MapCodeMemory(addr + nro_size, bss_addr, bss_size)};
|
||||
|
||||
if (result == Kernel::ResultInvalidCurrentMemory) {
|
||||
continue;
|
||||
@ -397,12 +398,12 @@ public:
|
||||
nro_header.segment_headers[DATA_INDEX].memory_size);
|
||||
|
||||
CASCADE_CODE(process->PageTable().SetProcessMemoryPermission(
|
||||
text_start, ro_start - text_start, Kernel::KMemoryPermission::ReadAndExecute));
|
||||
text_start, ro_start - text_start, Kernel::Svc::MemoryPermission::ReadExecute));
|
||||
CASCADE_CODE(process->PageTable().SetProcessMemoryPermission(
|
||||
ro_start, data_start - ro_start, Kernel::KMemoryPermission::Read));
|
||||
ro_start, data_start - ro_start, Kernel::Svc::MemoryPermission::Read));
|
||||
|
||||
return process->PageTable().SetProcessMemoryPermission(
|
||||
data_start, bss_end_addr - data_start, Kernel::KMemoryPermission::ReadAndWrite);
|
||||
data_start, bss_end_addr - data_start, Kernel::Svc::MemoryPermission::ReadWrite);
|
||||
}
|
||||
|
||||
void LoadModule(Kernel::HLERequestContext& ctx) {
|
||||
@ -530,16 +531,19 @@ public:
|
||||
ResultCode UnmapNro(const NROInfo& info) {
|
||||
// Each region must be unmapped separately to validate memory state
|
||||
auto& page_table{system.CurrentProcess()->PageTable()};
|
||||
CASCADE_CODE(page_table.UnmapProcessCodeMemory(info.nro_address + info.text_size +
|
||||
|
||||
if (info.bss_size != 0) {
|
||||
CASCADE_CODE(page_table.UnmapCodeMemory(info.nro_address + info.text_size +
|
||||
info.ro_size + info.data_size,
|
||||
info.bss_address, info.bss_size));
|
||||
CASCADE_CODE(page_table.UnmapProcessCodeMemory(
|
||||
info.nro_address + info.text_size + info.ro_size,
|
||||
info.src_addr + info.text_size + info.ro_size, info.data_size));
|
||||
CASCADE_CODE(page_table.UnmapProcessCodeMemory(
|
||||
info.nro_address + info.text_size, info.src_addr + info.text_size, info.ro_size));
|
||||
CASCADE_CODE(
|
||||
page_table.UnmapProcessCodeMemory(info.nro_address, info.src_addr, info.text_size));
|
||||
}
|
||||
|
||||
CASCADE_CODE(page_table.UnmapCodeMemory(info.nro_address + info.text_size + info.ro_size,
|
||||
info.src_addr + info.text_size + info.ro_size,
|
||||
info.data_size));
|
||||
CASCADE_CODE(page_table.UnmapCodeMemory(info.nro_address + info.text_size,
|
||||
info.src_addr + info.text_size, info.ro_size));
|
||||
CASCADE_CODE(page_table.UnmapCodeMemory(info.nro_address, info.src_addr, info.text_size));
|
||||
return ResultSuccess;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user