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authorLiam <byteslice@airmail.cc>2023-12-12 05:02:01 +0100
committerLiam <byteslice@airmail.cc>2023-12-12 05:02:01 +0100
commita05c242429f03251dc8db353714c240da6d6ceaa (patch)
tree9da7119d20f1eae733531d4057d22c53f59f3ea9 /src
parentnce: implement instruction emulation for misaligned memory accesses (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/core/arm/nce/arm_nce.cpp19
1 files changed, 11 insertions, 8 deletions
diff --git a/src/core/arm/nce/arm_nce.cpp b/src/core/arm/nce/arm_nce.cpp
index 858c9f0a7..1311e66a9 100644
--- a/src/core/arm/nce/arm_nce.cpp
+++ b/src/core/arm/nce/arm_nce.cpp
@@ -251,21 +251,24 @@ void ArmNce::SetSvcArguments(std::span<const uint64_t, 8> args) {
ArmNce::ArmNce(System& system, bool uses_wall_clock, std::size_t core_index)
: ArmInterface{uses_wall_clock}, m_system{system}, m_core_index{core_index} {
m_guest_ctx.system = &m_system;
-
- // Allocate signal stack.
- m_stack = std::make_unique<u8[]>(StackSize);
}
ArmNce::~ArmNce() = default;
void ArmNce::Initialize() {
- m_thread_id = gettid();
+ if (m_thread_id == -1) {
+ m_thread_id = gettid();
+ }
// Configure signal stack.
- stack_t ss{};
- ss.ss_sp = m_stack.get();
- ss.ss_size = StackSize;
- sigaltstack(&ss, nullptr);
+ if (!m_stack) {
+ m_stack = std::make_unique<u8[]>(StackSize);
+
+ stack_t ss{};
+ ss.ss_sp = m_stack.get();
+ ss.ss_size = StackSize;
+ sigaltstack(&ss, nullptr);
+ }
// Set up signals.
static std::once_flag flag;