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kern: KMemoryManager/KPageGroup use physical addresses instead of virtual, now

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This commit is contained in:
Michael Scire
2021-09-18 00:11:10 -07:00
parent f8fd072349
commit 1cf3b24c2d
17 changed files with 305 additions and 260 deletions
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18
libraries/libmesosphere/source/board/nintendo/nx/kern_k_device_page_table.cpp
View File

@@ -1051,7 +1051,7 @@ namespace ams::kern::board::nintendo::nx {
SmmuSynchronizationBarrier();
/* Open references to the pages. */
mm.Open(GetHeapVirtualAddress(phys_addr), DeviceLargePageSize / PageSize);
mm.Open(phys_addr, DeviceLargePageSize / PageSize);
/* Advance. */
phys_addr += DeviceLargePageSize;
@@ -1112,7 +1112,7 @@ namespace ams::kern::board::nintendo::nx {
SmmuSynchronizationBarrier();
/* Open references to the pages. */
mm.Open(GetHeapVirtualAddress(phys_addr), (map_count * DevicePageSize) / PageSize);
mm.Open(phys_addr, (map_count * DevicePageSize) / PageSize);
/* Advance. */
phys_addr += map_count * DevicePageSize;
@@ -1151,7 +1151,7 @@ namespace ams::kern::board::nintendo::nx {
/* Map the device page. */
size_t mapped_size = 0;
R_TRY(this->MapDevicePage(std::addressof(mapped_size), num_pt, max_pt, GetHeapPhysicalAddress(contig_range.address), contig_range.size, cur_addr, device_perm));
R_TRY(this->MapDevicePage(std::addressof(mapped_size), num_pt, max_pt, contig_range.address, contig_range.size, cur_addr, device_perm));
/* Advance. */
cur_addr += contig_range.size;
@@ -1245,7 +1245,7 @@ namespace ams::kern::board::nintendo::nx {
contig_count = contig_phys_addr != Null<KPhysicalAddress> ? 1 : 0;
} else if (phys_addr == Null<KPhysicalAddress> || phys_addr != (contig_phys_addr + (contig_count * DevicePageSize))) {
/* If we're no longer contiguous, close the range we've been building. */
mm.Close(GetHeapVirtualAddress(contig_phys_addr), (contig_count * DevicePageSize) / PageSize);
mm.Close(contig_phys_addr, (contig_count * DevicePageSize) / PageSize);
contig_phys_addr = phys_addr;
contig_count = contig_phys_addr != Null<KPhysicalAddress> ? 1 : 0;
@@ -1255,7 +1255,7 @@ namespace ams::kern::board::nintendo::nx {
}
if (contig_count > 0) {
mm.Close(GetHeapVirtualAddress(contig_phys_addr), (contig_count * DevicePageSize) / PageSize);
mm.Close(contig_phys_addr, (contig_count * DevicePageSize) / PageSize);
}
}
@@ -1294,7 +1294,7 @@ namespace ams::kern::board::nintendo::nx {
SmmuSynchronizationBarrier();
/* Close references. */
mm.Close(GetHeapVirtualAddress(phys_addr), DeviceLargePageSize / PageSize);
mm.Close(phys_addr, DeviceLargePageSize / PageSize);
/* Advance. */
address += DeviceLargePageSize;
@@ -1320,7 +1320,7 @@ namespace ams::kern::board::nintendo::nx {
/* Walk the directory. */
KProcessAddress cur_process_address = process_address;
size_t remaining_size = size;
KPhysicalAddress cur_phys_address = GetHeapPhysicalAddress(contig_range.address);
KPhysicalAddress cur_phys_address = contig_range.address;
size_t remaining_in_range = contig_range.size;
bool first = true;
u32 first_attr = 0;
@@ -1367,7 +1367,7 @@ namespace ams::kern::board::nintendo::nx {
}
range_open = true;
cur_phys_address = GetHeapPhysicalAddress(contig_range.address);
cur_phys_address = contig_range.address;
remaining_in_range = contig_range.size;
}
@@ -1410,7 +1410,7 @@ namespace ams::kern::board::nintendo::nx {
}
range_open = true;
cur_phys_address = GetHeapPhysicalAddress(contig_range.address);
cur_phys_address = contig_range.address;
remaining_in_range = contig_range.size;
}

24
libraries/libmesosphere/source/board/nintendo/nx/kern_k_system_control.cpp
View File

@@ -511,8 +511,10 @@ namespace ams::kern::board::nintendo::nx {
MESOSPHERE_ABORT_UNLESS(Kernel::GetSystemResourceLimit().Reserve(ams::svc::LimitableResource_PhysicalMemoryMax, SecureAppletMemorySize));
constexpr auto SecureAppletAllocateOption = KMemoryManager::EncodeOption(KMemoryManager::Pool_System, KMemoryManager::Direction_FromFront);
g_secure_applet_memory_address = Kernel::GetMemoryManager().AllocateAndOpenContinuous(SecureAppletMemorySize / PageSize, 1, SecureAppletAllocateOption);
MESOSPHERE_ABORT_UNLESS(g_secure_applet_memory_address != Null<KVirtualAddress>);
const KPhysicalAddress secure_applet_memory_phys_addr = Kernel::GetMemoryManager().AllocateAndOpenContinuous(SecureAppletMemorySize / PageSize, 1, SecureAppletAllocateOption);
MESOSPHERE_ABORT_UNLESS(secure_applet_memory_phys_addr != Null<KPhysicalAddress>);
g_secure_applet_memory_address = KMemoryLayout::GetLinearVirtualAddress(secure_applet_memory_phys_addr);
}
/* Initialize KTrace. */
@@ -690,9 +692,7 @@ namespace ams::kern::board::nintendo::nx {
MESOSPHERE_ASSERT(it != page_groups[i].end());
MESOSPHERE_ASSERT(it->GetNumPages() == 1);
KPhysicalAddress phys_addr = page_table.GetHeapPhysicalAddress(it->GetAddress());
args->r[reg_id] = GetInteger(phys_addr) | (GetInteger(virt_addr) & (PageSize - 1));
args->r[reg_id] = GetInteger(it->GetAddress()) | (GetInteger(virt_addr) & (PageSize - 1));
} else {
/* If we couldn't map, we should clear the address. */
args->r[reg_id] = 0;
@@ -729,25 +729,21 @@ namespace ams::kern::board::nintendo::nx {
/* Allocate the memory. */
const size_t num_pages = size / PageSize;
const KVirtualAddress vaddr = Kernel::GetMemoryManager().AllocateAndOpenContinuous(num_pages, alignment / PageSize, KMemoryManager::EncodeOption(static_cast<KMemoryManager::Pool>(pool), KMemoryManager::Direction_FromFront));
R_UNLESS(vaddr != Null<KVirtualAddress>, svc::ResultOutOfMemory());
const KPhysicalAddress paddr = Kernel::GetMemoryManager().AllocateAndOpenContinuous(num_pages, alignment / PageSize, KMemoryManager::EncodeOption(static_cast<KMemoryManager::Pool>(pool), KMemoryManager::Direction_FromFront));
R_UNLESS(paddr != Null<KPhysicalAddress>, svc::ResultOutOfMemory());
/* Ensure we don't leak references to the memory on error. */
auto mem_guard = SCOPE_GUARD { Kernel::GetMemoryManager().Close(vaddr, num_pages); };
auto mem_guard = SCOPE_GUARD { Kernel::GetMemoryManager().Close(paddr, num_pages); };
/* If the memory isn't already secure, set it as secure. */
if (pool != KMemoryManager::Pool_System) {
/* Get the physical address. */
const KPhysicalAddress paddr = KPageTable::GetHeapPhysicalAddress(vaddr);
MESOSPHERE_ABORT_UNLESS(paddr != Null<KPhysicalAddress>);
/* Set the secure region. */
R_UNLESS(SetSecureRegion(paddr, size), svc::ResultOutOfMemory());
}
/* We succeeded. */
mem_guard.Cancel();
*out = vaddr;
*out = KPageTable::GetHeapVirtualAddress(paddr);
return ResultSuccess();
}
@@ -779,7 +775,7 @@ namespace ams::kern::board::nintendo::nx {
}
/* Close the secure region's pages. */
Kernel::GetMemoryManager().Close(address, size / PageSize);
Kernel::GetMemoryManager().Close(KPageTable::GetHeapPhysicalAddress(address), size / PageSize);
}
}