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-rw-r--r--src/core/hle/kernel/kernel.cpp4
-rw-r--r--src/core/hle/kernel/kernel.h3
-rw-r--r--src/core/hle/kernel/svc.cpp39
-rw-r--r--src/core/hle/kernel/svc_wrap.h8
4 files changed, 53 insertions, 1 deletions
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 6baeb3494..ea1c13cdf 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -191,6 +191,10 @@ const Process* KernelCore::CurrentProcess() const {
return impl->current_process;
}
+const std::vector<SharedPtr<Process>>& KernelCore::GetProcessList() const {
+ return impl->process_list;
+}
+
void KernelCore::AddNamedPort(std::string name, SharedPtr<ClientPort> port) {
impl->named_ports.emplace(std::move(name), std::move(port));
}
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index 03ea5b659..6b8738599 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -72,6 +72,9 @@ public:
/// Retrieves a const pointer to the current process.
const Process* CurrentProcess() const;
+ /// Retrieves the list of processes.
+ const std::vector<SharedPtr<Process>>& GetProcessList() const;
+
/// Adds a port to the named port table
void AddNamedPort(std::string name, SharedPtr<ClientPort> port);
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 76a8b0191..3cd948bb5 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -1983,6 +1983,43 @@ static ResultCode SetResourceLimitLimitValue(Handle resource_limit, u32 resource
return RESULT_SUCCESS;
}
+static ResultCode GetProcessList(u32* out_num_processes, VAddr out_process_ids,
+ u32 out_process_ids_size) {
+ LOG_DEBUG(Kernel_SVC, "called. out_process_ids=0x{:016X}, out_process_ids_size={}",
+ out_process_ids, out_process_ids_size);
+
+ // If the supplied size is negative or greater than INT32_MAX / sizeof(u64), bail.
+ if ((out_process_ids_size & 0xF0000000) != 0) {
+ LOG_ERROR(Kernel_SVC,
+ "Supplied size outside [0, 0x0FFFFFFF] range. out_process_ids_size={}",
+ out_process_ids_size);
+ return ERR_OUT_OF_RANGE;
+ }
+
+ const auto& kernel = Core::System::GetInstance().Kernel();
+ const auto& vm_manager = kernel.CurrentProcess()->VMManager();
+ const auto total_copy_size = out_process_ids_size * sizeof(u64);
+
+ if (out_process_ids_size > 0 &&
+ !vm_manager.IsWithinAddressSpace(out_process_ids, total_copy_size)) {
+ LOG_ERROR(Kernel_SVC, "Address range outside address space. begin=0x{:016X}, end=0x{:016X}",
+ out_process_ids, out_process_ids + total_copy_size);
+ return ERR_INVALID_ADDRESS_STATE;
+ }
+
+ const auto& process_list = kernel.GetProcessList();
+ const auto num_processes = process_list.size();
+ const auto copy_amount = std::min(std::size_t{out_process_ids_size}, num_processes);
+
+ for (std::size_t i = 0; i < copy_amount; ++i) {
+ Memory::Write64(out_process_ids, process_list[i]->GetProcessID());
+ out_process_ids += sizeof(u64);
+ }
+
+ *out_num_processes = static_cast<u32>(num_processes);
+ return RESULT_SUCCESS;
+}
+
namespace {
struct FunctionDef {
using Func = void();
@@ -2095,7 +2132,7 @@ static const FunctionDef SVC_Table[] = {
{0x62, nullptr, "TerminateDebugProcess"},
{0x63, nullptr, "GetDebugEvent"},
{0x64, nullptr, "ContinueDebugEvent"},
- {0x65, nullptr, "GetProcessList"},
+ {0x65, SvcWrap<GetProcessList>, "GetProcessList"},
{0x66, nullptr, "GetThreadList"},
{0x67, nullptr, "GetDebugThreadContext"},
{0x68, nullptr, "SetDebugThreadContext"},
diff --git a/src/core/hle/kernel/svc_wrap.h b/src/core/hle/kernel/svc_wrap.h
index 2a2c2c5ea..b3733680f 100644
--- a/src/core/hle/kernel/svc_wrap.h
+++ b/src/core/hle/kernel/svc_wrap.h
@@ -78,6 +78,14 @@ void SvcWrap() {
FuncReturn(retval);
}
+template <ResultCode func(u32*, u64, u32)>
+void SvcWrap() {
+ u32 param_1 = 0;
+ const u32 retval = func(&param_1, Param(1), static_cast<u32>(Param(2))).raw;
+ Core::CurrentArmInterface().SetReg(1, param_1);
+ FuncReturn(retval);
+}
+
template <ResultCode func(u64*, u32)>
void SvcWrap() {
u64 param_1 = 0;