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debugger: add host fastmem pointer fetch command

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This commit is contained in:
Liam 2023-01-12 18:35:14 -05:00
parent 0e8f98a441
commit e9c3d16f6f
1 changed files with 23 additions and 3 deletions
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26
src/core/debugger/gdbstub.cpp
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@ -11,6 +11,7 @@
#include "common/hex_util.h" #include "common/hex_util.h"
#include "common/logging/log.h" #include "common/logging/log.h"
#include "common/scope_exit.h" #include "common/scope_exit.h"
#include "common/settings.h"
#include "core/arm/arm_interface.h" #include "core/arm/arm_interface.h"
#include "core/core.h" #include "core/core.h"
#include "core/debugger/gdbstub.h" #include "core/debugger/gdbstub.h"
@ -731,7 +732,25 @@ void GDBStub::HandleRcmd(const std::vector<u8>& command) {
auto* process = system.CurrentProcess(); auto* process = system.CurrentProcess();
auto& page_table = process->PageTable(); auto& page_table = process->PageTable();
if (command_str == "get info") { const char* commands = "Commands:\n"
" get fastmem\n"
" get info\n"
" get mappings\n";
if (command_str == "get fastmem") {
if (Settings::IsFastmemEnabled()) {
const auto& impl = page_table.PageTableImpl();
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;
reply = fmt::format("Region bits: {}\n"
"Host address: {:#x} - {:#x}\n",
region_bits, region, region + region_size - 1);
} else {
reply = "Fastmem is not enabled.\n";
}
} else if (command_str == "get info") {
Loader::AppLoader::Modules modules; Loader::AppLoader::Modules modules;
system.GetAppLoader().ReadNSOModules(modules); system.GetAppLoader().ReadNSOModules(modules);
@ -787,9 +806,10 @@ void GDBStub::HandleRcmd(const std::vector<u8>& command) {
cur_addr = next_address; cur_addr = next_address;
} }
} else if (command_str == "help") { } else if (command_str == "help") {
reply = "Commands:\n get info\n get mappings\n"; reply = commands;
} else { } else {
reply = "Unknown command.\nCommands:\n get info\n get mappings\n"; reply = "Unknown command.\n";
reply += commands;
} }
std::span<const u8> reply_span{reinterpret_cast<u8*>(&reply.front()), reply.size()}; std::span<const u8> reply_span{reinterpret_cast<u8*>(&reply.front()), reply.size()};