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kernel: add KPageTableBase

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Co-authored-by: Kelebek1 <eeeedddccc@hotmail.co.uk>
This commit is contained in:
Liam 2023-10-22 21:16:38 -04:00
parent 2f9487cd38
commit 2a255b2d61
31 changed files with 7202 additions and 4877 deletions
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98
src/core/debugger/gdbstub.cpp
View file

@ -727,29 +727,34 @@ static constexpr const char* GetMemoryPermissionString(const Kernel::Svc::Memory
}
}
static VAddr GetModuleEnd(Kernel::KPageTable& page_table, VAddr base) {
Kernel::Svc::MemoryInfo mem_info;
static VAddr GetModuleEnd(Kernel::KProcessPageTable& page_table, VAddr base) {
Kernel::KMemoryInfo mem_info;
Kernel::Svc::MemoryInfo svc_mem_info;
Kernel::Svc::PageInfo page_info;
VAddr cur_addr{base};
// Expect: r-x Code (.text)
mem_info = page_table.QueryInfo(cur_addr).GetSvcMemoryInfo();
cur_addr = mem_info.base_address + mem_info.size;
if (mem_info.state != Kernel::Svc::MemoryState::Code ||
mem_info.permission != Kernel::Svc::MemoryPermission::ReadExecute) {
R_ASSERT(page_table.QueryInfo(std::addressof(mem_info), std::addressof(page_info), cur_addr));
svc_mem_info = mem_info.GetSvcMemoryInfo();
cur_addr = svc_mem_info.base_address + svc_mem_info.size;
if (svc_mem_info.state != Kernel::Svc::MemoryState::Code ||
svc_mem_info.permission != Kernel::Svc::MemoryPermission::ReadExecute) {
return cur_addr - 1;
}
// Expect: r-- Code (.rodata)
mem_info = page_table.QueryInfo(cur_addr).GetSvcMemoryInfo();
cur_addr = mem_info.base_address + mem_info.size;
if (mem_info.state != Kernel::Svc::MemoryState::Code ||
mem_info.permission != Kernel::Svc::MemoryPermission::Read) {
R_ASSERT(page_table.QueryInfo(std::addressof(mem_info), std::addressof(page_info), cur_addr));
svc_mem_info = mem_info.GetSvcMemoryInfo();
cur_addr = svc_mem_info.base_address + svc_mem_info.size;
if (svc_mem_info.state != Kernel::Svc::MemoryState::Code ||
svc_mem_info.permission != Kernel::Svc::MemoryPermission::Read) {
return cur_addr - 1;
}
// Expect: rw- CodeData (.data)
mem_info = page_table.QueryInfo(cur_addr).GetSvcMemoryInfo();
cur_addr = mem_info.base_address + mem_info.size;
R_ASSERT(page_table.QueryInfo(std::addressof(mem_info), std::addressof(page_info), cur_addr));
svc_mem_info = mem_info.GetSvcMemoryInfo();
cur_addr = svc_mem_info.base_address + svc_mem_info.size;
return cur_addr - 1;
}
@ -767,7 +772,7 @@ void GDBStub::HandleRcmd(const std::vector<u8>& command) {
if (command_str == "get fastmem") {
if (Settings::IsFastmemEnabled()) {
const auto& impl = page_table.PageTableImpl();
const auto& impl = page_table.GetImpl();
const auto region = reinterpret_cast<uintptr_t>(impl.fastmem_arena);
const auto region_bits = impl.current_address_space_width_in_bits;
const auto region_size = 1ULL << region_bits;
@ -785,20 +790,22 @@ void GDBStub::HandleRcmd(const std::vector<u8>& command) {
reply = fmt::format("Process: {:#x} ({})\n"
"Program Id: {:#018x}\n",
process->GetProcessId(), process->GetName(), process->GetProgramId());
reply += fmt::format("Layout:\n"
" Alias: {:#012x} - {:#012x}\n"
" Heap: {:#012x} - {:#012x}\n"
" Aslr: {:#012x} - {:#012x}\n"
" Stack: {:#012x} - {:#012x}\n"
"Modules:\n",
GetInteger(page_table.GetAliasRegionStart()),
GetInteger(page_table.GetAliasRegionEnd()),
GetInteger(page_table.GetHeapRegionStart()),
GetInteger(page_table.GetHeapRegionEnd()),
GetInteger(page_table.GetAliasCodeRegionStart()),
GetInteger(page_table.GetAliasCodeRegionEnd()),
GetInteger(page_table.GetStackRegionStart()),
GetInteger(page_table.GetStackRegionEnd()));
reply += fmt::format(
"Layout:\n"
" Alias: {:#012x} - {:#012x}\n"
" Heap: {:#012x} - {:#012x}\n"
" Aslr: {:#012x} - {:#012x}\n"
" Stack: {:#012x} - {:#012x}\n"
"Modules:\n",
GetInteger(page_table.GetAliasRegionStart()),
GetInteger(page_table.GetAliasRegionStart()) + page_table.GetAliasRegionSize() - 1,
GetInteger(page_table.GetHeapRegionStart()),
GetInteger(page_table.GetHeapRegionStart()) + page_table.GetHeapRegionSize() - 1,
GetInteger(page_table.GetAliasCodeRegionStart()),
GetInteger(page_table.GetAliasCodeRegionStart()) + page_table.GetAliasCodeRegionSize() -
1,
GetInteger(page_table.GetStackRegionStart()),
GetInteger(page_table.GetStackRegionStart()) + page_table.GetStackRegionSize() - 1);
for (const auto& [vaddr, name] : modules) {
reply += fmt::format(" {:#012x} - {:#012x} {}\n", vaddr,
@ -811,27 +818,34 @@ void GDBStub::HandleRcmd(const std::vector<u8>& command) {
while (true) {
using MemoryAttribute = Kernel::Svc::MemoryAttribute;
auto mem_info = page_table.QueryInfo(cur_addr).GetSvcMemoryInfo();
Kernel::KMemoryInfo mem_info{};
Kernel::Svc::PageInfo page_info{};
R_ASSERT(page_table.QueryInfo(std::addressof(mem_info), std::addressof(page_info),
cur_addr));
auto svc_mem_info = mem_info.GetSvcMemoryInfo();
if (mem_info.state != Kernel::Svc::MemoryState::Inaccessible ||
mem_info.base_address + mem_info.size - 1 != std::numeric_limits<u64>::max()) {
const char* state = GetMemoryStateName(mem_info.state);
const char* perm = GetMemoryPermissionString(mem_info);
if (svc_mem_info.state != Kernel::Svc::MemoryState::Inaccessible ||
svc_mem_info.base_address + svc_mem_info.size - 1 !=
std::numeric_limits<u64>::max()) {
const char* state = GetMemoryStateName(svc_mem_info.state);
const char* perm = GetMemoryPermissionString(svc_mem_info);
const char l = True(mem_info.attribute & MemoryAttribute::Locked) ? 'L' : '-';
const char i = True(mem_info.attribute & MemoryAttribute::IpcLocked) ? 'I' : '-';
const char d = True(mem_info.attribute & MemoryAttribute::DeviceShared) ? 'D' : '-';
const char u = True(mem_info.attribute & MemoryAttribute::Uncached) ? 'U' : '-';
const char l = True(svc_mem_info.attribute & MemoryAttribute::Locked) ? 'L' : '-';
const char i =
True(svc_mem_info.attribute & MemoryAttribute::IpcLocked) ? 'I' : '-';
const char d =
True(svc_mem_info.attribute & MemoryAttribute::DeviceShared) ? 'D' : '-';
const char u = True(svc_mem_info.attribute & MemoryAttribute::Uncached) ? 'U' : '-';
const char p =
True(mem_info.attribute & MemoryAttribute::PermissionLocked) ? 'P' : '-';
True(svc_mem_info.attribute & MemoryAttribute::PermissionLocked) ? 'P' : '-';
reply += fmt::format(" {:#012x} - {:#012x} {} {} {}{}{}{}{} [{}, {}]\n",
mem_info.base_address,
mem_info.base_address + mem_info.size - 1, perm, state, l, i,
d, u, p, mem_info.ipc_count, mem_info.device_count);
reply += fmt::format(
" {:#012x} - {:#012x} {} {} {}{}{}{}{} [{}, {}]\n", svc_mem_info.base_address,
svc_mem_info.base_address + svc_mem_info.size - 1, perm, state, l, i, d, u, p,
svc_mem_info.ipc_count, svc_mem_info.device_count);
}
const uintptr_t next_address = mem_info.base_address + mem_info.size;
const uintptr_t next_address = svc_mem_info.base_address + svc_mem_info.size;
if (next_address <= cur_addr) {
break;
}