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svc: Migrate address range checking functions to VMManager

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Provides a bit of a more proper interface for these functions.
This commit is contained in:
Lioncash 2019-03-04 16:30:17 -05:00
parent 07e13d6728
commit 0be8fffc99
3 changed files with 30 additions and 23 deletions
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25
src/core/hle/kernel/svc.cpp
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@ -47,23 +47,6 @@ constexpr bool IsValidAddressRange(VAddr address, u64 size) {
return address + size > address;
}
// Checks if a given address range lies within a larger address range.
constexpr bool IsInsideAddressRange(VAddr address, u64 size, VAddr address_range_begin,
VAddr address_range_end) {
const VAddr end_address = address + size - 1;
return address_range_begin <= address && end_address <= address_range_end - 1;
}
bool IsInsideAddressSpace(const VMManager& vm, VAddr address, u64 size) {
return IsInsideAddressRange(address, size, vm.GetAddressSpaceBaseAddress(),
vm.GetAddressSpaceEndAddress());
}
bool IsInsideNewMapRegion(const VMManager& vm, VAddr address, u64 size) {
return IsInsideAddressRange(address, size, vm.GetNewMapRegionBaseAddress(),
vm.GetNewMapRegionEndAddress());
}
// 8 GiB
constexpr u64 MAIN_MEMORY_SIZE = 0x200000000;
@ -105,14 +88,14 @@ ResultCode MapUnmapMemorySanityChecks(const VMManager& vm_manager, VAddr dst_add
return ERR_INVALID_ADDRESS_STATE;
}
if (!IsInsideAddressSpace(vm_manager, src_addr, size)) {
if (!vm_manager.IsWithinAddressSpace(src_addr, size)) {
LOG_ERROR(Kernel_SVC,
"Source is not within the address space, addr=0x{:016X}, size=0x{:016X}",
src_addr, size);
return ERR_INVALID_ADDRESS_STATE;
}
if (!IsInsideNewMapRegion(vm_manager, dst_addr, size)) {
if (!vm_manager.IsWithinNewMapRegion(dst_addr, size)) {
LOG_ERROR(Kernel_SVC,
"Destination is not within the new map region, addr=0x{:016X}, size=0x{:016X}",
dst_addr, size);
@ -238,7 +221,7 @@ static ResultCode SetMemoryPermission(VAddr addr, u64 size, u32 prot) {
auto* const current_process = Core::CurrentProcess();
auto& vm_manager = current_process->VMManager();
if (!IsInsideAddressSpace(vm_manager, addr, size)) {
if (!vm_manager.IsWithinAddressSpace(addr, size)) {
LOG_ERROR(Kernel_SVC,
"Source is not within the address space, addr=0x{:016X}, size=0x{:016X}", addr,
size);
@ -299,7 +282,7 @@ static ResultCode SetMemoryAttribute(VAddr address, u64 size, u32 mask, u32 attr
}
auto& vm_manager = Core::CurrentProcess()->VMManager();
if (!IsInsideAddressSpace(vm_manager, address, size)) {
if (!vm_manager.IsWithinAddressSpace(address, size)) {
LOG_ERROR(Kernel_SVC,
"Given address (0x{:016X}) is outside the bounds of the address space.", address);
return ERR_INVALID_ADDRESS_STATE;