rpcs3/rpcs3/Emu/Cell/SPUThread.cpp
2019-06-20 14:46:32 +03:00

3150 lines
69 KiB
C++

#include "stdafx.h"
#include "Utilities/JIT.h"
#include "Utilities/sysinfo.h"
#include "Emu/Memory/vm.h"
#include "Emu/System.h"
#include "Emu/IdManager.h"
#include "Emu/Cell/PPUThread.h"
#include "Emu/Cell/ErrorCodes.h"
#include "Emu/Cell/lv2/sys_spu.h"
#include "Emu/Cell/lv2/sys_event_flag.h"
#include "Emu/Cell/lv2/sys_event.h"
#include "Emu/Cell/lv2/sys_interrupt.h"
#include "Emu/Cell/SPUDisAsm.h"
#include "Emu/Cell/SPUThread.h"
#include "Emu/Cell/SPUInterpreter.h"
#include "Emu/Cell/SPURecompiler.h"
#include "Emu/Cell/RawSPUThread.h"
#include <cmath>
#include <cfenv>
#include <atomic>
#include <thread>
// Verify AVX availability for TSX transactions
static const bool s_tsx_avx = utils::has_avx();
// For special case
static const bool s_tsx_haswell = utils::has_rtm() && !utils::has_mpx();
static FORCE_INLINE bool cmp_rdata(const decltype(spu_thread::rdata)& lhs, const decltype(spu_thread::rdata)& rhs)
{
const v128 a = (lhs[0] ^ rhs[0]) | (lhs[1] ^ rhs[1]);
const v128 b = (lhs[2] ^ rhs[2]) | (lhs[3] ^ rhs[3]);
const v128 c = (lhs[4] ^ rhs[4]) | (lhs[5] ^ rhs[5]);
const v128 d = (lhs[6] ^ rhs[6]) | (lhs[7] ^ rhs[7]);
const v128 r = (a | b) | (c | d);
return !(r._u64[0] | r._u64[1]);
}
static FORCE_INLINE void mov_rdata(decltype(spu_thread::rdata)& dst, const decltype(spu_thread::rdata)& src)
{
{
const v128 data0 = src[0];
const v128 data1 = src[1];
const v128 data2 = src[2];
dst[0] = data0;
dst[1] = data1;
dst[2] = data2;
}
{
const v128 data0 = src[3];
const v128 data1 = src[4];
const v128 data2 = src[5];
dst[3] = data0;
dst[4] = data1;
dst[5] = data2;
}
{
const v128 data0 = src[6];
const v128 data1 = src[7];
dst[6] = data0;
dst[7] = data1;
}
}
extern u64 get_timebased_time();
extern u64 get_system_time();
extern const spu_decoder<spu_interpreter_precise> g_spu_interpreter_precise;
extern const spu_decoder<spu_interpreter_fast> g_spu_interpreter_fast;
extern thread_local u64 g_tls_fault_spu;
template <>
void fmt_class_string<spu_decoder_type>::format(std::string& out, u64 arg)
{
format_enum(out, arg, [](spu_decoder_type type)
{
switch (type)
{
case spu_decoder_type::precise: return "Interpreter (precise)";
case spu_decoder_type::fast: return "Interpreter (fast)";
case spu_decoder_type::asmjit: return "Recompiler (ASMJIT)";
case spu_decoder_type::llvm: return "Recompiler (LLVM)";
}
return unknown;
});
}
template <>
void fmt_class_string<spu_block_size_type>::format(std::string& out, u64 arg)
{
format_enum(out, arg, [](spu_block_size_type type)
{
switch (type)
{
case spu_block_size_type::safe: return "Safe";
case spu_block_size_type::mega: return "Mega";
case spu_block_size_type::giga: return "Giga";
}
return unknown;
});
}
namespace spu
{
namespace scheduler
{
std::array<std::atomic<u8>, 65536> atomic_instruction_table = {};
constexpr u32 native_jiffy_duration_us = 1500; //About 1ms resolution with a half offset
void acquire_pc_address(u32 pc, u32 timeout_ms = 3)
{
const u8 max_concurrent_instructions = (u8)g_cfg.core.preferred_spu_threads;
const u32 pc_offset = pc >> 2;
if (atomic_instruction_table[pc_offset].load(std::memory_order_consume) >= max_concurrent_instructions)
{
if (timeout_ms > 0)
{
const u64 timeout = timeout_ms * 1000u; //convert to microseconds
const u64 start = get_system_time();
auto remaining = timeout;
while (atomic_instruction_table[pc_offset].load(std::memory_order_consume) >= max_concurrent_instructions)
{
if (remaining >= native_jiffy_duration_us)
std::this_thread::sleep_for(1ms);
else
std::this_thread::yield();
const auto now = get_system_time();
const auto elapsed = now - start;
if (elapsed > timeout) break;
remaining = timeout - elapsed;
}
}
else
{
//Slight pause if function is overburdened
const auto count = atomic_instruction_table[pc_offset].load(std::memory_order_consume) * 100ull;
busy_wait(count);
}
}
atomic_instruction_table[pc_offset]++;
}
void release_pc_address(u32 pc)
{
const u32 pc_offset = pc >> 2;
atomic_instruction_table[pc_offset]--;
}
struct concurrent_execution_watchdog
{
u32 pc = 0;
bool active = false;
concurrent_execution_watchdog(spu_thread& spu)
:pc(spu.pc)
{
if (g_cfg.core.preferred_spu_threads > 0)
{
acquire_pc_address(pc, (u32)g_cfg.core.spu_delay_penalty);
active = true;
}
}
~concurrent_execution_watchdog()
{
if (active)
release_pc_address(pc);
}
};
}
}
const auto spu_putllc_tx = build_function_asm<u32(*)(u32 raddr, u64 rtime, const void* _old, const void* _new)>([](asmjit::X86Assembler& c, auto& args)
{
using namespace asmjit;
Label fall = c.newLabel();
Label fail = c.newLabel();
Label _ret = c.newLabel();
Label skip = c.newLabel();
Label next = c.newLabel();
if (utils::has_avx() && !s_tsx_avx)
{
c.vzeroupper();
}
// Create stack frame if necessary (Windows ABI has only 6 volatile vector registers)
c.push(x86::rbp);
c.push(x86::r13);
c.push(x86::r12);
c.push(x86::rbx);
c.sub(x86::rsp, 168);
#ifdef _WIN32
if (s_tsx_avx)
{
c.vmovups(x86::oword_ptr(x86::rsp, 0), x86::xmm6);
c.vmovups(x86::oword_ptr(x86::rsp, 16), x86::xmm7);
}
else
{
c.movups(x86::oword_ptr(x86::rsp, 0), x86::xmm6);
c.movups(x86::oword_ptr(x86::rsp, 16), x86::xmm7);
c.movups(x86::oword_ptr(x86::rsp, 32), x86::xmm8);
c.movups(x86::oword_ptr(x86::rsp, 48), x86::xmm9);
c.movups(x86::oword_ptr(x86::rsp, 64), x86::xmm10);
c.movups(x86::oword_ptr(x86::rsp, 80), x86::xmm11);
c.movups(x86::oword_ptr(x86::rsp, 96), x86::xmm12);
c.movups(x86::oword_ptr(x86::rsp, 112), x86::xmm13);
c.movups(x86::oword_ptr(x86::rsp, 128), x86::xmm14);
c.movups(x86::oword_ptr(x86::rsp, 144), x86::xmm15);
}
#endif
// Prepare registers
c.mov(x86::rax, imm_ptr(&vm::g_reservations));
c.mov(x86::rbx, x86::qword_ptr(x86::rax));
c.mov(x86::rax, imm_ptr(&vm::g_base_addr));
c.mov(x86::rbp, x86::qword_ptr(x86::rax));
c.lea(x86::rbp, x86::qword_ptr(x86::rbp, args[0]));
c.shr(args[0], 4);
c.lea(x86::rbx, x86::qword_ptr(x86::rbx, args[0]));
c.xor_(x86::r12d, x86::r12d);
c.mov(x86::r13, args[1]);
// Prepare data
if (s_tsx_avx)
{
c.vmovups(x86::ymm0, x86::yword_ptr(args[2], 0));
c.vmovups(x86::ymm1, x86::yword_ptr(args[2], 32));
c.vmovups(x86::ymm2, x86::yword_ptr(args[2], 64));
c.vmovups(x86::ymm3, x86::yword_ptr(args[2], 96));
c.vmovups(x86::ymm4, x86::yword_ptr(args[3], 0));
c.vmovups(x86::ymm5, x86::yword_ptr(args[3], 32));
c.vmovups(x86::ymm6, x86::yword_ptr(args[3], 64));
c.vmovups(x86::ymm7, x86::yword_ptr(args[3], 96));
}
else
{
c.movaps(x86::xmm0, x86::oword_ptr(args[2], 0));
c.movaps(x86::xmm1, x86::oword_ptr(args[2], 16));
c.movaps(x86::xmm2, x86::oword_ptr(args[2], 32));
c.movaps(x86::xmm3, x86::oword_ptr(args[2], 48));
c.movaps(x86::xmm4, x86::oword_ptr(args[2], 64));
c.movaps(x86::xmm5, x86::oword_ptr(args[2], 80));
c.movaps(x86::xmm6, x86::oword_ptr(args[2], 96));
c.movaps(x86::xmm7, x86::oword_ptr(args[2], 112));
c.movaps(x86::xmm8, x86::oword_ptr(args[3], 0));
c.movaps(x86::xmm9, x86::oword_ptr(args[3], 16));
c.movaps(x86::xmm10, x86::oword_ptr(args[3], 32));
c.movaps(x86::xmm11, x86::oword_ptr(args[3], 48));
c.movaps(x86::xmm12, x86::oword_ptr(args[3], 64));
c.movaps(x86::xmm13, x86::oword_ptr(args[3], 80));
c.movaps(x86::xmm14, x86::oword_ptr(args[3], 96));
c.movaps(x86::xmm15, x86::oword_ptr(args[3], 112));
}
// Begin transaction
build_transaction_enter(c, fall, x86::r12, 4);
c.mov(x86::rax, x86::qword_ptr(x86::rbx));
c.and_(x86::rax, -128);
c.cmp(x86::rax, x86::r13);
c.jne(fail);
c.test(x86::qword_ptr(x86::rbx), 127);
c.jnz(skip);
if (s_tsx_avx)
{
c.vxorps(x86::ymm0, x86::ymm0, x86::yword_ptr(x86::rbp, 0));
c.vxorps(x86::ymm1, x86::ymm1, x86::yword_ptr(x86::rbp, 32));
c.vxorps(x86::ymm2, x86::ymm2, x86::yword_ptr(x86::rbp, 64));
c.vxorps(x86::ymm3, x86::ymm3, x86::yword_ptr(x86::rbp, 96));
c.vorps(x86::ymm0, x86::ymm0, x86::ymm1);
c.vorps(x86::ymm1, x86::ymm2, x86::ymm3);
c.vorps(x86::ymm0, x86::ymm1, x86::ymm0);
c.vptest(x86::ymm0, x86::ymm0);
}
else
{
c.xorps(x86::xmm0, x86::oword_ptr(x86::rbp, 0));
c.xorps(x86::xmm1, x86::oword_ptr(x86::rbp, 16));
c.xorps(x86::xmm2, x86::oword_ptr(x86::rbp, 32));
c.xorps(x86::xmm3, x86::oword_ptr(x86::rbp, 48));
c.xorps(x86::xmm4, x86::oword_ptr(x86::rbp, 64));
c.xorps(x86::xmm5, x86::oword_ptr(x86::rbp, 80));
c.xorps(x86::xmm6, x86::oword_ptr(x86::rbp, 96));
c.xorps(x86::xmm7, x86::oword_ptr(x86::rbp, 112));
c.orps(x86::xmm0, x86::xmm1);
c.orps(x86::xmm2, x86::xmm3);
c.orps(x86::xmm4, x86::xmm5);
c.orps(x86::xmm6, x86::xmm7);
c.orps(x86::xmm0, x86::xmm2);
c.orps(x86::xmm4, x86::xmm6);
c.orps(x86::xmm0, x86::xmm4);
c.ptest(x86::xmm0, x86::xmm0);
}
c.jnz(fail);
if (s_tsx_avx)
{
c.vmovaps(x86::yword_ptr(x86::rbp, 0), x86::ymm4);
c.vmovaps(x86::yword_ptr(x86::rbp, 32), x86::ymm5);
c.vmovaps(x86::yword_ptr(x86::rbp, 64), x86::ymm6);
c.vmovaps(x86::yword_ptr(x86::rbp, 96), x86::ymm7);
}
else
{
c.movaps(x86::oword_ptr(x86::rbp, 0), x86::xmm8);
c.movaps(x86::oword_ptr(x86::rbp, 16), x86::xmm9);
c.movaps(x86::oword_ptr(x86::rbp, 32), x86::xmm10);
c.movaps(x86::oword_ptr(x86::rbp, 48), x86::xmm11);
c.movaps(x86::oword_ptr(x86::rbp, 64), x86::xmm12);
c.movaps(x86::oword_ptr(x86::rbp, 80), x86::xmm13);
c.movaps(x86::oword_ptr(x86::rbp, 96), x86::xmm14);
c.movaps(x86::oword_ptr(x86::rbp, 112), x86::xmm15);
}
c.sub(x86::qword_ptr(x86::rbx), -128);
c.xend();
c.mov(x86::eax, 1);
c.jmp(_ret);
c.bind(skip);
c.xor_(x86::eax, x86::eax);
c.xor_(x86::r12d, x86::r12d);
build_transaction_abort(c, 0);
//c.jmp(fall);
c.bind(fall);
c.sar(x86::eax, 24);
c.js(fail);
c.lock().add(x86::qword_ptr(x86::rbx), 1);
c.lock().bts(x86::dword_ptr(args[2], ::offset32(&spu_thread::state) - ::offset32(&spu_thread::rdata)), static_cast<u32>(cpu_flag::wait));
// Touch memory if transaction failed without RETRY flag on the first attempt
c.cmp(x86::r12, 1);
c.jne(next);
c.xor_(x86::rbp, 0xf80);
c.lock().add(x86::dword_ptr(x86::rbp), 0);
c.xor_(x86::rbp, 0xf80);
Label fall2 = c.newLabel();
Label fail2 = c.newLabel();
// Lightened transaction: only compare and swap data
c.bind(next);
build_transaction_enter(c, fall2, x86::r12, 666);
if (s_tsx_avx)
{
c.vxorps(x86::ymm0, x86::ymm0, x86::yword_ptr(x86::rbp, 0));
c.vxorps(x86::ymm1, x86::ymm1, x86::yword_ptr(x86::rbp, 32));
c.vxorps(x86::ymm2, x86::ymm2, x86::yword_ptr(x86::rbp, 64));
c.vxorps(x86::ymm3, x86::ymm3, x86::yword_ptr(x86::rbp, 96));
c.vorps(x86::ymm0, x86::ymm0, x86::ymm1);
c.vorps(x86::ymm1, x86::ymm2, x86::ymm3);
c.vorps(x86::ymm0, x86::ymm1, x86::ymm0);
c.vptest(x86::ymm0, x86::ymm0);
}
else
{
c.xorps(x86::xmm0, x86::oword_ptr(x86::rbp, 0));
c.xorps(x86::xmm1, x86::oword_ptr(x86::rbp, 16));
c.xorps(x86::xmm2, x86::oword_ptr(x86::rbp, 32));
c.xorps(x86::xmm3, x86::oword_ptr(x86::rbp, 48));
c.xorps(x86::xmm4, x86::oword_ptr(x86::rbp, 64));
c.xorps(x86::xmm5, x86::oword_ptr(x86::rbp, 80));
c.xorps(x86::xmm6, x86::oword_ptr(x86::rbp, 96));
c.xorps(x86::xmm7, x86::oword_ptr(x86::rbp, 112));
c.orps(x86::xmm0, x86::xmm1);
c.orps(x86::xmm2, x86::xmm3);
c.orps(x86::xmm4, x86::xmm5);
c.orps(x86::xmm6, x86::xmm7);
c.orps(x86::xmm0, x86::xmm2);
c.orps(x86::xmm4, x86::xmm6);
c.orps(x86::xmm0, x86::xmm4);
c.ptest(x86::xmm0, x86::xmm0);
}
c.jnz(fail2);
if (s_tsx_avx)
{
c.vmovaps(x86::yword_ptr(x86::rbp, 0), x86::ymm4);
c.vmovaps(x86::yword_ptr(x86::rbp, 32), x86::ymm5);
c.vmovaps(x86::yword_ptr(x86::rbp, 64), x86::ymm6);
c.vmovaps(x86::yword_ptr(x86::rbp, 96), x86::ymm7);
}
else
{
c.movaps(x86::oword_ptr(x86::rbp, 0), x86::xmm8);
c.movaps(x86::oword_ptr(x86::rbp, 16), x86::xmm9);
c.movaps(x86::oword_ptr(x86::rbp, 32), x86::xmm10);
c.movaps(x86::oword_ptr(x86::rbp, 48), x86::xmm11);
c.movaps(x86::oword_ptr(x86::rbp, 64), x86::xmm12);
c.movaps(x86::oword_ptr(x86::rbp, 80), x86::xmm13);
c.movaps(x86::oword_ptr(x86::rbp, 96), x86::xmm14);
c.movaps(x86::oword_ptr(x86::rbp, 112), x86::xmm15);
}
c.xend();
c.lock().add(x86::qword_ptr(x86::rbx), 127);
c.mov(x86::eax, 1);
c.jmp(_ret);
c.bind(fall2);
c.sar(x86::eax, 24);
c.js(fail2);
c.mov(x86::eax, 2);
c.jmp(_ret);
c.bind(fail);
build_transaction_abort(c, 0xff);
c.xor_(x86::eax, x86::eax);
c.jmp(_ret);
c.bind(fail2);
build_transaction_abort(c, 0xff);
c.lock().sub(x86::qword_ptr(x86::rbx), 1);
c.xor_(x86::eax, x86::eax);
//c.jmp(_ret);
c.bind(_ret);
#ifdef _WIN32
if (s_tsx_avx)
{
c.vmovups(x86::xmm6, x86::oword_ptr(x86::rsp, 0));
c.vmovups(x86::xmm7, x86::oword_ptr(x86::rsp, 16));
}
else
{
c.movups(x86::xmm6, x86::oword_ptr(x86::rsp, 0));
c.movups(x86::xmm7, x86::oword_ptr(x86::rsp, 16));
c.movups(x86::xmm8, x86::oword_ptr(x86::rsp, 32));
c.movups(x86::xmm9, x86::oword_ptr(x86::rsp, 48));
c.movups(x86::xmm10, x86::oword_ptr(x86::rsp, 64));
c.movups(x86::xmm11, x86::oword_ptr(x86::rsp, 80));
c.movups(x86::xmm12, x86::oword_ptr(x86::rsp, 96));
c.movups(x86::xmm13, x86::oword_ptr(x86::rsp, 112));
c.movups(x86::xmm14, x86::oword_ptr(x86::rsp, 128));
c.movups(x86::xmm15, x86::oword_ptr(x86::rsp, 144));
}
#endif
if (s_tsx_avx)
{
c.vzeroupper();
}
c.add(x86::rsp, 168);
c.pop(x86::rbx);
c.pop(x86::r12);
c.pop(x86::r13);
c.pop(x86::rbp);
c.ret();
});
const auto spu_getll_tx = build_function_asm<u64(*)(u32 raddr, void* rdata)>([](asmjit::X86Assembler& c, auto& args)
{
using namespace asmjit;
Label fall = c.newLabel();
Label _ret = c.newLabel();
if (utils::has_avx() && !s_tsx_avx)
{
c.vzeroupper();
}
// Create stack frame if necessary (Windows ABI has only 6 volatile vector registers)
c.push(x86::rbp);
c.push(x86::r13);
c.push(x86::r12);
c.push(x86::rbx);
c.sub(x86::rsp, 72);
#ifdef _WIN32
if (!s_tsx_avx)
{
c.movups(x86::oword_ptr(x86::rsp, 0), x86::xmm6);
c.movups(x86::oword_ptr(x86::rsp, 16), x86::xmm7);
}
#endif
// Prepare registers
c.mov(x86::rax, imm_ptr(&vm::g_reservations));
c.mov(x86::rbx, x86::qword_ptr(x86::rax));
c.mov(x86::rax, imm_ptr(&vm::g_base_addr));
c.mov(x86::rbp, x86::qword_ptr(x86::rax));
c.lea(x86::rbp, x86::qword_ptr(x86::rbp, args[0]));
c.shr(args[0], 4);
c.lea(x86::rbx, x86::qword_ptr(x86::rbx, args[0]));
c.xor_(x86::r12d, x86::r12d);
c.mov(x86::r13, args[1]);
// Begin transaction
build_transaction_enter(c, fall, x86::r12, 16);
c.mov(x86::rax, x86::qword_ptr(x86::rbx));
if (s_tsx_avx)
{
c.vmovaps(x86::ymm0, x86::yword_ptr(x86::rbp, 0));
c.vmovaps(x86::ymm1, x86::yword_ptr(x86::rbp, 32));
c.vmovaps(x86::ymm2, x86::yword_ptr(x86::rbp, 64));
c.vmovaps(x86::ymm3, x86::yword_ptr(x86::rbp, 96));
}
else
{
c.movaps(x86::xmm0, x86::oword_ptr(x86::rbp, 0));
c.movaps(x86::xmm1, x86::oword_ptr(x86::rbp, 16));
c.movaps(x86::xmm2, x86::oword_ptr(x86::rbp, 32));
c.movaps(x86::xmm3, x86::oword_ptr(x86::rbp, 48));
c.movaps(x86::xmm4, x86::oword_ptr(x86::rbp, 64));
c.movaps(x86::xmm5, x86::oword_ptr(x86::rbp, 80));
c.movaps(x86::xmm6, x86::oword_ptr(x86::rbp, 96));
c.movaps(x86::xmm7, x86::oword_ptr(x86::rbp, 112));
}
c.xend();
if (s_tsx_avx)
{
c.vmovups(x86::yword_ptr(x86::r13, 0), x86::ymm0);
c.vmovups(x86::yword_ptr(x86::r13, 32), x86::ymm1);
c.vmovups(x86::yword_ptr(x86::r13, 64), x86::ymm2);
c.vmovups(x86::yword_ptr(x86::r13, 96), x86::ymm3);
}
else
{
c.movaps(x86::oword_ptr(x86::r13, 0), x86::xmm0);
c.movaps(x86::oword_ptr(x86::r13, 16), x86::xmm1);
c.movaps(x86::oword_ptr(x86::r13, 32), x86::xmm2);
c.movaps(x86::oword_ptr(x86::r13, 48), x86::xmm3);
c.movaps(x86::oword_ptr(x86::r13, 64), x86::xmm4);
c.movaps(x86::oword_ptr(x86::r13, 80), x86::xmm5);
c.movaps(x86::oword_ptr(x86::r13, 96), x86::xmm6);
c.movaps(x86::oword_ptr(x86::r13, 112), x86::xmm7);
}
c.and_(x86::rax, -128);
c.jmp(_ret);
c.bind(fall);
c.mov(x86::eax, 1);
//c.jmp(_ret);
c.bind(_ret);
#ifdef _WIN32
if (!s_tsx_avx)
{
c.movups(x86::xmm6, x86::oword_ptr(x86::rsp, 0));
c.movups(x86::xmm7, x86::oword_ptr(x86::rsp, 16));
}
#endif
if (s_tsx_avx)
{
c.vzeroupper();
}
c.add(x86::rsp, 72);
c.pop(x86::rbx);
c.pop(x86::r12);
c.pop(x86::r13);
c.pop(x86::rbp);
c.ret();
});
const auto spu_getll_inexact = build_function_asm<u64(*)(u32 raddr, void* rdata)>([](asmjit::X86Assembler& c, auto& args)
{
using namespace asmjit;
Label _ret = c.newLabel();
if (utils::has_avx() && !s_tsx_avx)
{
c.vzeroupper();
}
// Create stack frame if necessary (Windows ABI has only 6 volatile vector registers)
c.push(x86::rbp);
c.push(x86::r13);
c.push(x86::r12);
c.push(x86::rbx);
c.sub(x86::rsp, 72);
#ifdef _WIN32
if (!s_tsx_avx)
{
c.movups(x86::oword_ptr(x86::rsp, 0), x86::xmm6);
c.movups(x86::oword_ptr(x86::rsp, 16), x86::xmm7);
c.movups(x86::oword_ptr(x86::rsp, 32), x86::xmm8);
c.movups(x86::oword_ptr(x86::rsp, 48), x86::xmm9);
}
#endif
// Prepare registers
c.mov(x86::rax, imm_ptr(&vm::g_reservations));
c.mov(x86::rbx, x86::qword_ptr(x86::rax));
c.mov(x86::rax, imm_ptr(&vm::g_base_addr));
c.mov(x86::rbp, x86::qword_ptr(x86::rax));
c.lea(x86::rbp, x86::qword_ptr(x86::rbp, args[0]));
c.shr(args[0], 4);
c.lea(x86::rbx, x86::qword_ptr(x86::rbx, args[0]));
c.xor_(x86::r12d, x86::r12d);
c.mov(x86::r13, args[1]);
// Begin copying
Label begin = c.newLabel();
Label test0 = c.newLabel();
c.bind(begin);
c.mov(x86::rax, x86::qword_ptr(x86::rbx));
if (s_tsx_avx)
{
c.vmovaps(x86::ymm0, x86::yword_ptr(x86::rbp, 0));
c.vmovaps(x86::ymm1, x86::yword_ptr(x86::rbp, 32));
c.vmovaps(x86::ymm2, x86::yword_ptr(x86::rbp, 64));
c.vmovaps(x86::ymm3, x86::yword_ptr(x86::rbp, 96));
}
else
{
c.movaps(x86::xmm0, x86::oword_ptr(x86::rbp, 0));
c.movaps(x86::xmm1, x86::oword_ptr(x86::rbp, 16));
c.movaps(x86::xmm2, x86::oword_ptr(x86::rbp, 32));
c.movaps(x86::xmm3, x86::oword_ptr(x86::rbp, 48));
c.movaps(x86::xmm4, x86::oword_ptr(x86::rbp, 64));
c.movaps(x86::xmm5, x86::oword_ptr(x86::rbp, 80));
c.movaps(x86::xmm6, x86::oword_ptr(x86::rbp, 96));
c.movaps(x86::xmm7, x86::oword_ptr(x86::rbp, 112));
}
// Verify and retry if necessary.
c.mov(args[0], x86::rax);
c.xor_(args[0], x86::qword_ptr(x86::rbx));
c.test(args[0], -128);
c.jz(test0);
c.lea(x86::r12, x86::qword_ptr(x86::r12, 1));
c.jmp(begin);
c.bind(test0);
c.test(x86::eax, 127);
c.jz(_ret);
c.and_(x86::rax, -128);
// If there are lock bits set, verify data as well.
if (s_tsx_avx)
{
c.vxorps(x86::ymm4, x86::ymm0, x86::yword_ptr(x86::rbp, 0));
c.vxorps(x86::ymm5, x86::ymm1, x86::yword_ptr(x86::rbp, 32));
c.vorps(x86::ymm5, x86::ymm5, x86::ymm4);
c.vxorps(x86::ymm4, x86::ymm2, x86::yword_ptr(x86::rbp, 64));
c.vorps(x86::ymm5, x86::ymm5, x86::ymm4);
c.vxorps(x86::ymm4, x86::ymm3, x86::yword_ptr(x86::rbp, 96));
c.vorps(x86::ymm5, x86::ymm5, x86::ymm4);
c.vptest(x86::ymm5, x86::ymm5);
}
else
{
c.xorps(x86::xmm9, x86::xmm9);
c.movaps(x86::xmm8, x86::xmm0);
c.xorps(x86::xmm8, x86::oword_ptr(x86::rbp, 0));
c.orps(x86::xmm9, x86::xmm8);
c.movaps(x86::xmm8, x86::xmm1);
c.xorps(x86::xmm8, x86::oword_ptr(x86::rbp, 16));
c.orps(x86::xmm9, x86::xmm8);
c.movaps(x86::xmm8, x86::xmm2);
c.xorps(x86::xmm8, x86::oword_ptr(x86::rbp, 32));
c.orps(x86::xmm9, x86::xmm8);
c.movaps(x86::xmm8, x86::xmm3);
c.xorps(x86::xmm8, x86::oword_ptr(x86::rbp, 48));
c.orps(x86::xmm9, x86::xmm8);
c.movaps(x86::xmm8, x86::xmm4);
c.xorps(x86::xmm8, x86::oword_ptr(x86::rbp, 64));
c.orps(x86::xmm9, x86::xmm8);
c.movaps(x86::xmm8, x86::xmm5);
c.xorps(x86::xmm8, x86::oword_ptr(x86::rbp, 80));
c.orps(x86::xmm9, x86::xmm8);
c.movaps(x86::xmm8, x86::xmm6);
c.xorps(x86::xmm8, x86::oword_ptr(x86::rbp, 96));
c.orps(x86::xmm9, x86::xmm8);
c.movaps(x86::xmm8, x86::xmm7);
c.xorps(x86::xmm8, x86::oword_ptr(x86::rbp, 112));
c.orps(x86::xmm9, x86::xmm8);
c.ptest(x86::xmm9, x86::xmm9);
}
c.jz(_ret);
c.lea(x86::r12, x86::qword_ptr(x86::r12, 2));
c.jmp(begin);
c.bind(_ret);
if (s_tsx_avx)
{
c.vmovups(x86::yword_ptr(x86::r13, 0), x86::ymm0);
c.vmovups(x86::yword_ptr(x86::r13, 32), x86::ymm1);
c.vmovups(x86::yword_ptr(x86::r13, 64), x86::ymm2);
c.vmovups(x86::yword_ptr(x86::r13, 96), x86::ymm3);
}
else
{
c.movaps(x86::oword_ptr(x86::r13, 0), x86::xmm0);
c.movaps(x86::oword_ptr(x86::r13, 16), x86::xmm1);
c.movaps(x86::oword_ptr(x86::r13, 32), x86::xmm2);
c.movaps(x86::oword_ptr(x86::r13, 48), x86::xmm3);
c.movaps(x86::oword_ptr(x86::r13, 64), x86::xmm4);
c.movaps(x86::oword_ptr(x86::r13, 80), x86::xmm5);
c.movaps(x86::oword_ptr(x86::r13, 96), x86::xmm6);
c.movaps(x86::oword_ptr(x86::r13, 112), x86::xmm7);
}
#ifdef _WIN32
if (!s_tsx_avx)
{
c.movups(x86::xmm6, x86::oword_ptr(x86::rsp, 0));
c.movups(x86::xmm7, x86::oword_ptr(x86::rsp, 16));
c.movups(x86::xmm8, x86::oword_ptr(x86::rsp, 32));
c.movups(x86::xmm9, x86::oword_ptr(x86::rsp, 48));
}
#endif
if (s_tsx_avx)
{
c.vzeroupper();
}
c.add(x86::rsp, 72);
c.pop(x86::rbx);
c.pop(x86::r12);
c.pop(x86::r13);
c.pop(x86::rbp);
c.ret();
});
const auto spu_putlluc_tx = build_function_asm<u32(*)(u32 raddr, const void* rdata, spu_thread* _spu)>([](asmjit::X86Assembler& c, auto& args)
{
using namespace asmjit;
Label fall = c.newLabel();
Label _ret = c.newLabel();
Label skip = c.newLabel();
Label next = c.newLabel();
if (utils::has_avx() && !s_tsx_avx)
{
c.vzeroupper();
}
// Create stack frame if necessary (Windows ABI has only 6 volatile vector registers)
c.push(x86::rbp);
c.push(x86::r13);
c.push(x86::r12);
c.push(x86::rbx);
c.sub(x86::rsp, 40);
#ifdef _WIN32
if (!s_tsx_avx)
{
c.movups(x86::oword_ptr(x86::rsp, 0), x86::xmm6);
c.movups(x86::oword_ptr(x86::rsp, 16), x86::xmm7);
}
#endif
// Prepare registers
c.mov(x86::rax, imm_ptr(&vm::g_reservations));
c.mov(x86::rbx, x86::qword_ptr(x86::rax));
c.mov(x86::rax, imm_ptr(&vm::g_base_addr));
c.mov(x86::rbp, x86::qword_ptr(x86::rax));
c.lea(x86::rbp, x86::qword_ptr(x86::rbp, args[0]));
c.shr(args[0], 4);
c.lea(x86::rbx, x86::qword_ptr(x86::rbx, args[0]));
c.xor_(x86::r12d, x86::r12d);
c.mov(x86::r13, args[1]);
// Prepare data
if (s_tsx_avx)
{
c.vmovups(x86::ymm0, x86::yword_ptr(args[1], 0));
c.vmovups(x86::ymm1, x86::yword_ptr(args[1], 32));
c.vmovups(x86::ymm2, x86::yword_ptr(args[1], 64));
c.vmovups(x86::ymm3, x86::yword_ptr(args[1], 96));
}
else
{
c.movaps(x86::xmm0, x86::oword_ptr(args[1], 0));
c.movaps(x86::xmm1, x86::oword_ptr(args[1], 16));
c.movaps(x86::xmm2, x86::oword_ptr(args[1], 32));
c.movaps(x86::xmm3, x86::oword_ptr(args[1], 48));
c.movaps(x86::xmm4, x86::oword_ptr(args[1], 64));
c.movaps(x86::xmm5, x86::oword_ptr(args[1], 80));
c.movaps(x86::xmm6, x86::oword_ptr(args[1], 96));
c.movaps(x86::xmm7, x86::oword_ptr(args[1], 112));
}
// Begin transaction
build_transaction_enter(c, fall, x86::r12, 8);
c.test(x86::dword_ptr(x86::rbx), 127);
c.jnz(skip);
if (s_tsx_avx)
{
c.vmovaps(x86::yword_ptr(x86::rbp, 0), x86::ymm0);
c.vmovaps(x86::yword_ptr(x86::rbp, 32), x86::ymm1);
c.vmovaps(x86::yword_ptr(x86::rbp, 64), x86::ymm2);
c.vmovaps(x86::yword_ptr(x86::rbp, 96), x86::ymm3);
}
else
{
c.movaps(x86::oword_ptr(x86::rbp, 0), x86::xmm0);
c.movaps(x86::oword_ptr(x86::rbp, 16), x86::xmm1);
c.movaps(x86::oword_ptr(x86::rbp, 32), x86::xmm2);
c.movaps(x86::oword_ptr(x86::rbp, 48), x86::xmm3);
c.movaps(x86::oword_ptr(x86::rbp, 64), x86::xmm4);
c.movaps(x86::oword_ptr(x86::rbp, 80), x86::xmm5);
c.movaps(x86::oword_ptr(x86::rbp, 96), x86::xmm6);
c.movaps(x86::oword_ptr(x86::rbp, 112), x86::xmm7);
}
c.sub(x86::qword_ptr(x86::rbx), -128);
c.xend();
c.mov(x86::eax, 1);
c.jmp(_ret);
c.bind(skip);
c.xor_(x86::eax, x86::eax);
c.xor_(x86::r12d, x86::r12d);
build_transaction_abort(c, 0);
//c.jmp(fall);
c.bind(fall);
c.lock().add(x86::qword_ptr(x86::rbx), 1);
c.lock().bts(x86::dword_ptr(args[2], ::offset32(&spu_thread::state)), static_cast<u32>(cpu_flag::wait));
// Touch memory if transaction failed without RETRY flag on the first attempt
c.cmp(x86::r12, 1);
c.jne(next);
c.xor_(x86::rbp, 0xf80);
c.lock().add(x86::dword_ptr(x86::rbp), 0);
c.xor_(x86::rbp, 0xf80);
Label fall2 = c.newLabel();
// Lightened transaction
c.bind(next);
build_transaction_enter(c, fall2, x86::r12, 666);
if (s_tsx_avx)
{
c.vmovaps(x86::yword_ptr(x86::rbp, 0), x86::ymm0);
c.vmovaps(x86::yword_ptr(x86::rbp, 32), x86::ymm1);
c.vmovaps(x86::yword_ptr(x86::rbp, 64), x86::ymm2);
c.vmovaps(x86::yword_ptr(x86::rbp, 96), x86::ymm3);
}
else
{
c.movaps(x86::oword_ptr(x86::rbp, 0), x86::xmm0);
c.movaps(x86::oword_ptr(x86::rbp, 16), x86::xmm1);
c.movaps(x86::oword_ptr(x86::rbp, 32), x86::xmm2);
c.movaps(x86::oword_ptr(x86::rbp, 48), x86::xmm3);
c.movaps(x86::oword_ptr(x86::rbp, 64), x86::xmm4);
c.movaps(x86::oword_ptr(x86::rbp, 80), x86::xmm5);
c.movaps(x86::oword_ptr(x86::rbp, 96), x86::xmm6);
c.movaps(x86::oword_ptr(x86::rbp, 112), x86::xmm7);
}
c.xend();
c.lock().add(x86::qword_ptr(x86::rbx), 127);
c.mov(x86::eax, 1);
c.jmp(_ret);
c.bind(fall2);
c.mov(x86::eax, 2);
//c.jmp(_ret);
c.bind(_ret);
#ifdef _WIN32
if (!s_tsx_avx)
{
c.movups(x86::xmm6, x86::oword_ptr(x86::rsp, 0));
c.movups(x86::xmm7, x86::oword_ptr(x86::rsp, 16));
}
#endif
if (s_tsx_avx)
{
c.vzeroupper();
}
c.add(x86::rsp, 40);
c.pop(x86::rbx);
c.pop(x86::r12);
c.pop(x86::r13);
c.pop(x86::rbp);
c.ret();
});
void spu_int_ctrl_t::set(u64 ints)
{
// leave only enabled interrupts
ints &= mask;
// notify if at least 1 bit was set
if (ints && ~stat.fetch_or(ints) & ints && tag)
{
reader_lock rlock(id_manager::g_mutex);
if (tag)
{
if (auto handler = tag->handler.lock())
{
handler->exec();
}
}
}
}
const spu_imm_table_t g_spu_imm;
spu_imm_table_t::scale_table_t::scale_table_t()
{
for (s32 i = -155; i < 174; i++)
{
m_data[i + 155].vf = _mm_set1_ps(static_cast<float>(std::exp2(i)));
}
}
spu_imm_table_t::spu_imm_table_t()
{
for (u32 i = 0; i < std::size(sldq_pshufb); i++)
{
for (u32 j = 0; j < 16; j++)
{
sldq_pshufb[i]._u8[j] = static_cast<u8>(j - i);
}
}
for (u32 i = 0; i < std::size(srdq_pshufb); i++)
{
const u32 im = (0u - i) & 0x1f;
for (u32 j = 0; j < 16; j++)
{
srdq_pshufb[i]._u8[j] = (j + im > 15) ? 0xff : static_cast<u8>(j + im);
}
}
for (u32 i = 0; i < std::size(rldq_pshufb); i++)
{
for (u32 j = 0; j < 16; j++)
{
rldq_pshufb[i]._u8[j] = static_cast<u8>((j - i) & 0xf);
}
}
}
std::string spu_thread::get_name() const
{
return fmt::format("%sSPU[0x%x] Thread (%s)", offset >= RAW_SPU_BASE_ADDR ? "Raw" : "", id, spu_name.get());
}
std::string spu_thread::dump() const
{
std::string ret = cpu_thread::dump();
if (group)
{
fmt::append(ret, "\nGroup ID: 0x%x", group->id);
}
fmt::append(ret, "\nBlock Weight: %u (Retreats: %u)", block_counter, block_failure);
fmt::append(ret, "\n[%s]", ch_mfc_cmd);
fmt::append(ret, "\nTag Mask: 0x%08x", ch_tag_mask);
fmt::append(ret, "\nMFC Stall: 0x%08x", ch_stall_mask);
fmt::append(ret, "\nMFC Queue Size: %u", mfc_size);
for (u32 i = 0; i < 16; i++)
{
if (i < mfc_size)
{
fmt::append(ret, "\n%s", mfc_queue[i]);
}
else
{
fmt::append(ret, "\n[-]");
}
}
ret += "\nRegisters:\n=========";
for (u32 i = 0; i < 128; i++)
{
fmt::append(ret, "\nGPR[%d] = %s", i, gpr[i]);
}
return ret;
}
void spu_thread::cpu_init()
{
gpr = {};
fpscr.Reset();
ch_mfc_cmd = {};
srr0 = 0;
mfc_size = 0;
mfc_barrier = 0;
mfc_fence = 0;
ch_tag_upd = 0;
ch_tag_mask = 0;
mfc_prxy_mask = 0;
ch_tag_stat.data.release({});
ch_stall_mask = 0;
ch_stall_stat.data.release({});
ch_atomic_stat.data.release({});
ch_in_mbox.clear();
ch_out_mbox.data.release({});
ch_out_intr_mbox.data.release({});
snr_config = 0;
ch_snr1.data.release({});
ch_snr2.data.release({});
ch_event_mask = 0;
ch_event_stat = 0;
interrupts_enabled = false;
raddr = 0;
ch_dec_start_timestamp = get_timebased_time(); // ???
ch_dec_value = 0;
run_ctrl.release(0);
status.release(0);
npc.release(0);
int_ctrl[0].clear();
int_ctrl[1].clear();
int_ctrl[2].clear();
gpr[1]._u32[3] = 0x3FFF0; // initial stack frame pointer
}
void spu_thread::cpu_stop()
{
if (!group && offset >= RAW_SPU_BASE_ADDR)
{
// Save next PC and current SPU Interrupt Status
npc = pc | (interrupts_enabled);
}
else if (group && is_stopped())
{
if (verify(HERE, group->running--) == 1)
{
{
std::lock_guard lock(group->mutex);
group->stop_count++;
group->run_state = SPU_THREAD_GROUP_STATUS_INITIALIZED;
if (!group->join_state)
{
group->join_state = SYS_SPU_THREAD_GROUP_JOIN_ALL_THREADS_EXIT;
}
if (const auto ppu = std::exchange(group->waiter, nullptr))
{
// Send exit status directly to the joining thread
ppu->gpr[4] = group->join_state;
ppu->gpr[5] = group->exit_status;
group->join_state.release(0);
}
}
// Notify on last thread stopped
group->cond.notify_all();
}
}
}
extern thread_local std::string(*g_tls_log_prefix)();
void spu_thread::cpu_task()
{
// Get next PC and SPU Interrupt status
pc = npc.exchange(0);
set_interrupt_status((pc & 1) != 0);
pc &= 0x3fffc;
std::fesetround(FE_TOWARDZERO);
if (g_cfg.core.set_daz_and_ftz && g_cfg.core.spu_decoder != spu_decoder_type::precise)
{
// Set DAZ and FTZ
_mm_setcsr(_mm_getcsr() | 0x8840);
}
g_tls_log_prefix = []
{
const auto cpu = static_cast<spu_thread*>(get_current_cpu_thread());
return fmt::format("%s [0x%05x]", thread_ctrl::get_name(), cpu->pc);
};
if (jit)
{
// Register SPU runtime user
spu_runtime::passive_lock _passive_lock(jit->get_runtime());
while (true)
{
if (UNLIKELY(state))
{
if (check_state())
{
if (state & cpu_flag::jit_return)
{
// Handle jit_return as a special case
jit->get_runtime().handle_return(this);
continue;
}
break;
}
}
spu_runtime::g_gateway(*this, vm::_ptr<u8>(offset), nullptr);
}
// Print some stats
LOG_NOTICE(SPU, "Stats: Block Weight: %u (Retreats: %u);", block_counter, block_failure);
cpu_stop();
return;
}
if (spu_runtime::g_interpreter)
{
while (true)
{
if (UNLIKELY(state))
{
if (check_state())
break;
}
spu_runtime::g_interpreter(*this, vm::_ptr<u8>(offset), nullptr);
}
cpu_stop();
return;
}
// Select opcode table
const auto& table = *(
g_cfg.core.spu_decoder == spu_decoder_type::precise ? &g_spu_interpreter_precise.get_table() :
g_cfg.core.spu_decoder == spu_decoder_type::fast ? &g_spu_interpreter_fast.get_table() :
(fmt::throw_exception<std::logic_error>("Invalid SPU decoder"), nullptr));
// LS pointer
const auto base = vm::_ptr<const u8>(offset);
while (true)
{
if (UNLIKELY(state))
{
if (check_state())
break;
}
const u32 op = *reinterpret_cast<const be_t<u32>*>(base + pc);
if (table[spu_decode(op)](*this, {op}))
pc += 4;
}
cpu_stop();
}
void spu_thread::cpu_mem()
{
//vm::passive_lock(*this);
}
void spu_thread::cpu_unmem()
{
//state.test_and_set(cpu_flag::memory);
}
spu_thread::~spu_thread()
{
// Deallocate Local Storage
vm::dealloc_verbose_nothrow(offset);
// Deallocate RawSPU ID
if (!group && offset >= RAW_SPU_BASE_ADDR)
{
g_raw_spu_id[index] = 0;
g_raw_spu_ctr--;
}
}
spu_thread::spu_thread(vm::addr_t ls, lv2_spu_group* group, u32 index, std::string_view name)
: cpu_thread(idm::last_id())
, spu_name(name)
, index(index)
, offset(ls)
, group(group)
{
if (g_cfg.core.spu_decoder == spu_decoder_type::asmjit)
{
jit = spu_recompiler_base::make_asmjit_recompiler();
}
if (g_cfg.core.spu_decoder == spu_decoder_type::llvm)
{
jit = spu_recompiler_base::make_llvm_recompiler();
}
if (g_cfg.core.spu_decoder != spu_decoder_type::fast && g_cfg.core.spu_decoder != spu_decoder_type::precise)
{
if (g_cfg.core.spu_block_size != spu_block_size_type::safe)
{
// Initialize stack mirror
std::memset(stack_mirror.data(), 0xff, sizeof(stack_mirror));
}
}
if (!group && offset >= RAW_SPU_BASE_ADDR)
{
cpu_init();
}
}
void spu_thread::push_snr(u32 number, u32 value)
{
// Get channel
const auto channel = number & 1 ? &ch_snr2 : &ch_snr1;
// Check corresponding SNR register settings
if ((snr_config >> number) & 1)
{
channel->push_or(*this, value);
}
else
{
channel->push(*this, value);
}
}
void spu_thread::do_dma_transfer(const spu_mfc_cmd& args)
{
const bool is_get = (args.cmd & ~(MFC_BARRIER_MASK | MFC_FENCE_MASK | MFC_START_MASK)) == MFC_GET_CMD;
u32 eal = args.eal;
u32 lsa = args.lsa & 0x3ffff;
// SPU Thread Group MMIO (LS and SNR) and RawSPU MMIO
if (eal >= RAW_SPU_BASE_ADDR)
{
const u32 index = (eal - SYS_SPU_THREAD_BASE_LOW) / SYS_SPU_THREAD_OFFSET; // thread number in group
const u32 offset = (eal - SYS_SPU_THREAD_BASE_LOW) % SYS_SPU_THREAD_OFFSET; // LS offset or MMIO register
if (eal < SYS_SPU_THREAD_BASE_LOW)
{
// RawSPU MMIO
auto thread = idm::get<named_thread<spu_thread>>(find_raw_spu((eal - RAW_SPU_BASE_ADDR) / RAW_SPU_OFFSET));
if (!thread)
{
fmt::throw_exception("RawSPU not found (cmd=0x%x, lsa=0x%x, ea=0x%llx, tag=0x%x, size=0x%x)" HERE, args.cmd, args.lsa, args.eal, args.tag, args.size);
}
u32 value;
if ((eal - RAW_SPU_BASE_ADDR) % RAW_SPU_OFFSET + args.size - 1 < 0x40000) // LS access
{
}
else if (args.size == 4 && is_get && thread->read_reg(eal, value))
{
_ref<u32>(lsa) = value;
return;
}
else if (args.size == 4 && !is_get && thread->write_reg(eal, _ref<u32>(lsa)))
{
return;
}
else
{
fmt::throw_exception("Invalid RawSPU MMIO offset (cmd=0x%x, lsa=0x%x, ea=0x%llx, tag=0x%x, size=0x%x)" HERE, args.cmd, args.lsa, args.eal, args.tag, args.size);
}
}
else if (this->offset >= RAW_SPU_BASE_ADDR)
{
fmt::throw_exception("SPU MMIO used for RawSPU (cmd=0x%x, lsa=0x%x, ea=0x%llx, tag=0x%x, size=0x%x)" HERE, args.cmd, args.lsa, args.eal, args.tag, args.size);
}
else if (group && group->threads[index])
{
auto& spu = static_cast<spu_thread&>(*group->threads[index]);
if (offset + args.size - 1 < 0x40000) // LS access
{
eal = spu.offset + offset; // redirect access
}
else if (!is_get && args.size == 4 && (offset == SYS_SPU_THREAD_SNR1 || offset == SYS_SPU_THREAD_SNR2))
{
spu.push_snr(SYS_SPU_THREAD_SNR2 == offset, _ref<u32>(lsa));
return;
}
else
{
fmt::throw_exception("Invalid MMIO offset (cmd=0x%x, lsa=0x%x, ea=0x%llx, tag=0x%x, size=0x%x)" HERE, args.cmd, args.lsa, args.eal, args.tag, args.size);
}
}
else
{
fmt::throw_exception("Invalid thread type (cmd=0x%x, lsa=0x%x, ea=0x%llx, tag=0x%x, size=0x%x)" HERE, args.cmd, args.lsa, args.eal, args.tag, args.size);
}
}
u8* dst = (u8*)vm::base(eal);
u8* src = (u8*)vm::base(offset + lsa);
if (UNLIKELY(!is_get && !g_use_rtm))
{
switch (u32 size = args.size)
{
case 1:
{
auto& res = vm::reservation_lock(eal, 1);
*reinterpret_cast<u8*>(dst) = *reinterpret_cast<const u8*>(src);
res.release(res.load() + 127);
break;
}
case 2:
{
auto& res = vm::reservation_lock(eal, 2);
*reinterpret_cast<u16*>(dst) = *reinterpret_cast<const u16*>(src);
res.release(res.load() + 127);
break;
}
case 4:
{
auto& res = vm::reservation_lock(eal, 4);
*reinterpret_cast<u32*>(dst) = *reinterpret_cast<const u32*>(src);
res.release(res.load() + 127);
break;
}
case 8:
{
auto& res = vm::reservation_lock(eal, 8);
*reinterpret_cast<u64*>(dst) = *reinterpret_cast<const u64*>(src);
res.release(res.load() + 127);
break;
}
default:
{
if (((eal & 127) + size) <= 128)
{
// Lock one cache line
auto& res = vm::reservation_lock(eal, 128);
while (size)
{
*reinterpret_cast<v128*>(dst) = *reinterpret_cast<const v128*>(src);
dst += 16;
src += 16;
size -= 16;
}
res.release(res.load() + 127);
break;
}
auto lock = vm::passive_lock(eal & -128u, ::align(eal + size, 128));
while (size >= 128)
{
mov_rdata(*reinterpret_cast<decltype(spu_thread::rdata)*>(dst), *reinterpret_cast<const decltype(spu_thread::rdata)*>(src));
dst += 128;
src += 128;
size -= 128;
}
while (size)
{
*reinterpret_cast<v128*>(dst) = *reinterpret_cast<const v128*>(src);
dst += 16;
src += 16;
size -= 16;
}
lock->release(0);
break;
}
}
return;
}
if (is_get)
{
std::swap(dst, src);
}
switch (u32 size = args.size)
{
case 1:
{
*reinterpret_cast<u8*>(dst) = *reinterpret_cast<const u8*>(src);
break;
}
case 2:
{
*reinterpret_cast<u16*>(dst) = *reinterpret_cast<const u16*>(src);
break;
}
case 4:
{
*reinterpret_cast<u32*>(dst) = *reinterpret_cast<const u32*>(src);
break;
}
case 8:
{
*reinterpret_cast<u64*>(dst) = *reinterpret_cast<const u64*>(src);
break;
}
default:
{
while (size >= 128)
{
mov_rdata(*reinterpret_cast<decltype(spu_thread::rdata)*>(dst), *reinterpret_cast<const decltype(spu_thread::rdata)*>(src));
dst += 128;
src += 128;
size -= 128;
}
while (size)
{
*reinterpret_cast<v128*>(dst) = *reinterpret_cast<const v128*>(src);
dst += 16;
src += 16;
size -= 16;
}
break;
}
}
}
bool spu_thread::do_dma_check(const spu_mfc_cmd& args)
{
const u32 mask = utils::rol32(1, args.tag);
if (UNLIKELY(mfc_barrier & mask || (args.cmd & (MFC_BARRIER_MASK | MFC_FENCE_MASK) && mfc_fence & mask)))
{
// Check for special value combination (normally impossible)
if (false)
{
// Update barrier/fence masks if necessary
mfc_barrier = 0;
mfc_fence = 0;
for (u32 i = 0; i < mfc_size; i++)
{
if ((mfc_queue[i].cmd & ~0xc) == MFC_BARRIER_CMD)
{
mfc_barrier |= -1;
continue;
}
if (true)
{
const u32 _mask = utils::rol32(1u, mfc_queue[i].tag);
// A command with barrier hard blocks that tag until it's been dealt with
if (mfc_queue[i].cmd & MFC_BARRIER_MASK)
{
mfc_barrier |= _mask;
}
// A new command that has a fence can't be executed until the stalled list has been dealt with
mfc_fence |= _mask;
}
}
if (mfc_barrier & mask || (args.cmd & MFC_FENCE_MASK && mfc_fence & mask))
{
return false;
}
return true;
}
return false;
}
return true;
}
bool spu_thread::do_list_transfer(spu_mfc_cmd& args)
{
struct list_element
{
be_t<u16> sb; // Stall-and-Notify bit (0x8000)
be_t<u16> ts; // List Transfer Size
be_t<u32> ea; // External Address Low
} item{};
while (args.size)
{
if (UNLIKELY(item.sb & 0x8000))
{
ch_stall_mask |= utils::rol32(1, args.tag);
if (!ch_stall_stat.get_count())
{
ch_event_stat |= SPU_EVENT_SN;
}
ch_stall_stat.set_value(utils::rol32(1, args.tag) | ch_stall_stat.get_value());
args.tag |= 0x80; // Set stalled status
return false;
}
args.lsa &= 0x3fff0;
item = _ref<list_element>(args.eal & 0x3fff8);
const u32 size = item.ts & 0x7fff;
const u32 addr = item.ea;
LOG_TRACE(SPU, "LIST: addr=0x%x, size=0x%x, lsa=0x%05x, sb=0x%x", addr, size, args.lsa | (addr & 0xf), item.sb);
if (size)
{
spu_mfc_cmd transfer;
transfer.eal = addr;
transfer.eah = 0;
transfer.lsa = args.lsa | (addr & 0xf);
transfer.tag = args.tag;
transfer.cmd = MFC(args.cmd & ~MFC_LIST_MASK);
transfer.size = size;
do_dma_transfer(transfer);
const u32 add_size = std::max<u32>(size, 16);
args.lsa += add_size;
}
args.eal += 8;
args.size -= 8;
}
return true;
}
void spu_thread::do_putlluc(const spu_mfc_cmd& args)
{
const u32 addr = args.eal & -128u;
if (raddr && addr == raddr)
{
// Last check for event before we clear the reservation
if ((vm::reservation_acquire(addr, 128) & -128) != rtime || !cmp_rdata(rdata, vm::_ref<decltype(rdata)>(addr)))
{
ch_event_stat |= SPU_EVENT_LR;
}
raddr = 0;
}
const auto& to_write = _ref<decltype(rdata)>(args.lsa & 0x3ff80);
// Store unconditionally
if (LIKELY(g_use_rtm))
{
const u32 result = spu_putlluc_tx(addr, to_write.data(), this);
if (result == 2)
{
cpu_thread::suspend_all cpu_lock(this);
// Try to obtain bit 7 (+64)
if (!atomic_storage<u64>::bts(vm::reservation_acquire(addr, 128).raw(), 6))
{
auto& data = vm::_ref<decltype(rdata)>(addr);
mov_rdata(data, to_write);
// Keep checking written data against a rogue transaction sneak in
while (std::atomic_thread_fence(std::memory_order_seq_cst), !cmp_rdata(data, to_write))
{
mov_rdata(data, to_write);
}
vm::reservation_acquire(addr, 128) += 63;
}
else
{
// Give up if another PUTLLUC command took precedence
vm::reservation_acquire(addr, 128) -= 1;
}
}
}
else
{
auto& data = vm::_ref<decltype(rdata)>(addr);
auto& res = vm::reservation_lock(addr, 128);
*reinterpret_cast<atomic_t<u32>*>(&data) += 0;
if (g_cfg.core.spu_accurate_putlluc)
{
// Full lock (heavyweight)
// TODO: vm::check_addr
vm::writer_lock lock(addr);
mov_rdata(data, to_write);
res.release(res.load() + 127);
}
else
{
mov_rdata(data, to_write);
res.release(res.load() + 127);
}
}
vm::reservation_notifier(addr, 128).notify_all();
}
void spu_thread::do_mfc(bool wait)
{
u32 removed = 0;
u32 barrier = 0;
u32 fence = 0;
// Process enqueued commands
std::remove_if(mfc_queue + 0, mfc_queue + mfc_size, [&](spu_mfc_cmd& args)
{
if ((args.cmd & ~0xc) == MFC_BARRIER_CMD)
{
if (&args - mfc_queue <= removed)
{
// Remove barrier-class command if it's the first in the queue
_mm_mfence();
removed++;
return true;
}
// Block all tags
barrier |= -1;
return false;
}
// Select tag bit in the tag mask or the stall mask
const u32 mask = utils::rol32(1, args.tag);
if (barrier & mask)
{
fence |= mask;
return false;
}
if (args.cmd & (MFC_BARRIER_MASK | MFC_FENCE_MASK) && fence & mask)
{
if (args.cmd & MFC_BARRIER_MASK)
{
barrier |= mask;
}
return false;
}
if (args.cmd & MFC_LIST_MASK)
{
if (!(args.tag & 0x80))
{
if (do_list_transfer(args))
{
removed++;
return true;
}
}
if (args.cmd & MFC_BARRIER_MASK)
{
barrier |= mask;
}
fence |= mask;
return false;
}
if (args.cmd == MFC_PUTQLLUC_CMD)
{
if (fence & mask)
{
return false;
}
do_putlluc(args);
}
else if (args.size)
{
do_dma_transfer(args);
}
removed++;
return true;
});
mfc_size -= removed;
mfc_barrier = barrier;
mfc_fence = fence;
if (removed && ch_tag_upd)
{
const u32 completed = get_mfc_completed();
if (completed && ch_tag_upd == 1)
{
ch_tag_stat.set_value(completed);
ch_tag_upd = 0;
}
else if (completed == ch_tag_mask && ch_tag_upd == 2)
{
ch_tag_stat.set_value(completed);
ch_tag_upd = 0;
}
}
}
u32 spu_thread::get_mfc_completed()
{
return ch_tag_mask & ~mfc_fence;
}
bool spu_thread::process_mfc_cmd()
{
// Stall infinitely if MFC queue is full
while (UNLIKELY(mfc_size >= 16))
{
state += cpu_flag::wait;
if (is_stopped())
{
return false;
}
thread_ctrl::wait();
}
spu::scheduler::concurrent_execution_watchdog watchdog(*this);
LOG_TRACE(SPU, "DMAC: cmd=%s, lsa=0x%x, ea=0x%llx, tag=0x%x, size=0x%x", ch_mfc_cmd.cmd, ch_mfc_cmd.lsa, ch_mfc_cmd.eal, ch_mfc_cmd.tag, ch_mfc_cmd.size);
switch (ch_mfc_cmd.cmd)
{
case MFC_GETLLAR_CMD:
{
const u32 addr = ch_mfc_cmd.eal & -128u;
auto& data = vm::_ref<decltype(rdata)>(addr);
auto& dst = _ref<decltype(rdata)>(ch_mfc_cmd.lsa & 0x3ff80);
u64 ntime;
const bool is_polling = false; // TODO
if (is_polling)
{
rtime = vm::reservation_acquire(addr, 128) & -128;
while (cmp_rdata(rdata, data) && (vm::reservation_acquire(addr, 128)) == rtime)
{
state += cpu_flag::wait;
if (is_stopped())
{
break;
}
thread_ctrl::wait_for(100);
}
if (test_stopped())
{
return false;
}
}
if (LIKELY(g_use_rtm && !g_cfg.core.spu_accurate_getllar && raddr != addr))
{
// TODO: maybe always start from a transaction
ntime = spu_getll_inexact(addr, dst.data());
}
else if (g_use_rtm)
{
ntime = spu_getll_tx(addr, dst.data());
if (ntime == 1)
{
if (!g_cfg.core.spu_accurate_getllar)
{
ntime = spu_getll_inexact(addr, dst.data());
}
else
{
cpu_thread::suspend_all cpu_lock(this);
while (vm::reservation_acquire(addr, 128) & 127)
{
busy_wait(100);
}
ntime = vm::reservation_acquire(addr, 128);
mov_rdata(dst, data);
}
}
}
else
{
auto& res = vm::reservation_lock(addr, 128);
const u64 old_time = res.load() & -128;
if (g_cfg.core.spu_accurate_getllar)
{
*reinterpret_cast<atomic_t<u32>*>(&data) += 0;
// Full lock (heavyweight)
// TODO: vm::check_addr
vm::writer_lock lock(addr);
ntime = old_time;
mov_rdata(dst, data);
res.release(old_time);
}
else
{
ntime = old_time;
mov_rdata(dst, data);
res.release(old_time);
}
}
if (raddr && raddr != addr)
{
// Last check for event before we replace the reservation with a new one
if ((vm::reservation_acquire(raddr, 128) & -128) != rtime || !cmp_rdata(rdata, vm::_ref<decltype(rdata)>(raddr)))
{
ch_event_stat |= SPU_EVENT_LR;
}
}
else if (raddr == addr)
{
// Lost previous reservation on polling
if (ntime != rtime || !cmp_rdata(rdata, dst))
{
ch_event_stat |= SPU_EVENT_LR;
}
}
raddr = addr;
rtime = ntime;
mov_rdata(rdata, dst);
ch_atomic_stat.set_value(MFC_GETLLAR_SUCCESS);
return true;
}
case MFC_PUTLLC_CMD:
{
// Store conditionally
const u32 addr = ch_mfc_cmd.eal & -128u;
u32 result = 0;
if (raddr == addr)
{
const auto& to_write = _ref<decltype(rdata)>(ch_mfc_cmd.lsa & 0x3ff80);
if (LIKELY(g_use_rtm))
{
result = spu_putllc_tx(addr, rtime, rdata.data(), to_write.data());
if (result == 2)
{
result = 0;
cpu_thread::suspend_all cpu_lock(this);
// Give up if other PUTLLC/PUTLLUC commands are in progress
if (!vm::reservation_acquire(addr, 128).try_dec(rtime + 1))
{
auto& data = vm::_ref<decltype(rdata)>(addr);
if ((vm::reservation_acquire(addr, 128) & -128) == rtime && cmp_rdata(rdata, data))
{
mov_rdata(data, to_write);
vm::reservation_acquire(addr, 128) += 127;
result = 1;
}
else
{
vm::reservation_acquire(addr, 128) -= 1;
}
}
}
}
else if (auto& data = vm::_ref<decltype(rdata)>(addr); rtime == (vm::reservation_acquire(raddr, 128) & -128) && cmp_rdata(rdata, data))
{
auto& res = vm::reservation_lock(raddr, 128);
const u64 old_time = res.load() & -128;
if (rtime == old_time)
{
*reinterpret_cast<atomic_t<u32>*>(&data) += 0;
// Full lock (heavyweight)
// TODO: vm::check_addr
vm::writer_lock lock(addr);
if (cmp_rdata(rdata, data))
{
mov_rdata(data, to_write);
res.release(old_time + 128);
result = 1;
}
else
{
res.release(old_time);
}
}
else
{
res.release(old_time);
}
}
}
if (result)
{
vm::reservation_notifier(addr, 128).notify_all();
ch_atomic_stat.set_value(MFC_PUTLLC_SUCCESS);
}
else
{
if (raddr)
{
// Last check for event before we clear the reservation
if (raddr == addr || rtime != (vm::reservation_acquire(raddr, 128) & -128) || !cmp_rdata(rdata, vm::_ref<decltype(rdata)>(raddr)))
{
ch_event_stat |= SPU_EVENT_LR;
}
}
ch_atomic_stat.set_value(MFC_PUTLLC_FAILURE);
}
raddr = 0;
return true;
}
case MFC_PUTLLUC_CMD:
{
do_putlluc(ch_mfc_cmd);
ch_atomic_stat.set_value(MFC_PUTLLUC_SUCCESS);
return true;
}
case MFC_PUTQLLUC_CMD:
{
const u32 mask = utils::rol32(1, ch_mfc_cmd.tag);
if (UNLIKELY((mfc_barrier | mfc_fence) & mask))
{
mfc_queue[mfc_size++] = ch_mfc_cmd;
mfc_fence |= mask;
}
else
{
do_putlluc(ch_mfc_cmd);
}
return true;
}
case MFC_SNDSIG_CMD:
case MFC_SNDSIGB_CMD:
case MFC_SNDSIGF_CMD:
{
if (ch_mfc_cmd.size != 4)
{
break;
}
// Fallthrough
}
case MFC_PUT_CMD:
case MFC_PUTB_CMD:
case MFC_PUTF_CMD:
case MFC_PUTR_CMD:
case MFC_PUTRB_CMD:
case MFC_PUTRF_CMD:
case MFC_GET_CMD:
case MFC_GETB_CMD:
case MFC_GETF_CMD:
{
if (LIKELY(ch_mfc_cmd.size <= 0x4000))
{
if (LIKELY(do_dma_check(ch_mfc_cmd)))
{
if (ch_mfc_cmd.size)
{
do_dma_transfer(ch_mfc_cmd);
}
return true;
}
mfc_queue[mfc_size++] = ch_mfc_cmd;
mfc_fence |= utils::rol32(1, ch_mfc_cmd.tag);
if (ch_mfc_cmd.cmd & MFC_BARRIER_MASK)
{
mfc_barrier |= utils::rol32(1, ch_mfc_cmd.tag);
}
return true;
}
break;
}
case MFC_PUTL_CMD:
case MFC_PUTLB_CMD:
case MFC_PUTLF_CMD:
case MFC_PUTRL_CMD:
case MFC_PUTRLB_CMD:
case MFC_PUTRLF_CMD:
case MFC_GETL_CMD:
case MFC_GETLB_CMD:
case MFC_GETLF_CMD:
{
if (LIKELY(ch_mfc_cmd.size <= 0x4000))
{
auto& cmd = mfc_queue[mfc_size];
cmd = ch_mfc_cmd;
if (LIKELY(do_dma_check(cmd)))
{
if (LIKELY(do_list_transfer(cmd)))
{
return true;
}
}
mfc_size++;
mfc_fence |= utils::rol32(1, cmd.tag);
if (cmd.cmd & MFC_BARRIER_MASK)
{
mfc_barrier |= utils::rol32(1, cmd.tag);
}
return true;
}
break;
}
case MFC_BARRIER_CMD:
case MFC_EIEIO_CMD:
case MFC_SYNC_CMD:
{
if (mfc_size == 0)
{
_mm_mfence();
}
else
{
mfc_queue[mfc_size++] = ch_mfc_cmd;
mfc_barrier |= -1;
}
return true;
}
default:
{
break;
}
}
fmt::throw_exception("Unknown command (cmd=%s, lsa=0x%x, ea=0x%llx, tag=0x%x, size=0x%x)" HERE,
ch_mfc_cmd.cmd, ch_mfc_cmd.lsa, ch_mfc_cmd.eal, ch_mfc_cmd.tag, ch_mfc_cmd.size);
}
u32 spu_thread::get_events(bool waiting)
{
const u32 mask1 = ch_event_mask;
if (mask1 & ~SPU_EVENT_IMPLEMENTED)
{
fmt::throw_exception("SPU Events not implemented (mask=0x%x)" HERE, mask1);
}
// Check reservation status and set SPU_EVENT_LR if lost
if (raddr && ((vm::reservation_acquire(raddr, sizeof(rdata)) & -128) != rtime || !cmp_rdata(rdata, vm::_ref<decltype(rdata)>(raddr))))
{
ch_event_stat |= SPU_EVENT_LR;
raddr = 0;
}
// SPU Decrementer Event
if (!ch_dec_value || (ch_dec_value - (get_timebased_time() - ch_dec_start_timestamp)) >> 31)
{
if ((ch_event_stat & SPU_EVENT_TM) == 0)
{
ch_event_stat |= SPU_EVENT_TM;
}
}
// Simple polling or polling with atomically set/removed SPU_EVENT_WAITING flag
return !waiting ? ch_event_stat & mask1 : ch_event_stat.atomic_op([&](u32& stat) -> u32
{
if (u32 res = stat & mask1)
{
stat &= ~SPU_EVENT_WAITING;
return res;
}
stat |= SPU_EVENT_WAITING;
return 0;
});
}
void spu_thread::set_events(u32 mask)
{
if (mask & ~SPU_EVENT_IMPLEMENTED)
{
fmt::throw_exception("SPU Events not implemented (mask=0x%x)" HERE, mask);
}
// Set new events, get old event mask
const u32 old_stat = ch_event_stat.fetch_or(mask);
// Notify if some events were set
if (~old_stat & mask && old_stat & SPU_EVENT_WAITING && ch_event_stat & SPU_EVENT_WAITING)
{
notify();
}
}
void spu_thread::set_interrupt_status(bool enable)
{
if (enable)
{
// Detect enabling interrupts with events masked
if (ch_event_mask & ~SPU_EVENT_INTR_IMPLEMENTED)
{
fmt::throw_exception("SPU Interrupts not implemented (mask=0x%x)" HERE, +ch_event_mask);
}
interrupts_enabled = true;
}
else
{
interrupts_enabled = false;
}
}
u32 spu_thread::get_ch_count(u32 ch)
{
LOG_TRACE(SPU, "get_ch_count(ch=%d [%s])", ch, ch < 128 ? spu_ch_name[ch] : "???");
switch (ch)
{
case SPU_WrOutMbox: return ch_out_mbox.get_count() ^ 1;
case SPU_WrOutIntrMbox: return ch_out_intr_mbox.get_count() ^ 1;
case SPU_RdInMbox: return ch_in_mbox.get_count();
case MFC_RdTagStat: return ch_tag_stat.get_count();
case MFC_RdListStallStat: return ch_stall_stat.get_count();
case MFC_WrTagUpdate: return ch_tag_upd == 0;
case SPU_RdSigNotify1: return ch_snr1.get_count();
case SPU_RdSigNotify2: return ch_snr2.get_count();
case MFC_RdAtomicStat: return ch_atomic_stat.get_count();
case SPU_RdEventStat: return get_events() != 0;
case MFC_Cmd: return 16 - mfc_size;
}
fmt::throw_exception("Unknown/illegal channel (ch=%d [%s])" HERE, ch, ch < 128 ? spu_ch_name[ch] : "???");
}
s64 spu_thread::get_ch_value(u32 ch)
{
LOG_TRACE(SPU, "get_ch_value(ch=%d [%s])", ch, ch < 128 ? spu_ch_name[ch] : "???");
auto read_channel = [&](spu_channel& channel) -> s64
{
if (channel.get_count() == 0)
{
state += cpu_flag::wait;
}
for (int i = 0; i < 10 && channel.get_count() == 0; i++)
{
busy_wait();
}
u32 out = 0;
while (!channel.try_pop(out))
{
if (is_stopped())
{
return -1;
}
thread_ctrl::wait();
}
check_state();
return out;
};
switch (ch)
{
case SPU_RdSRR0:
{
return srr0;
}
case SPU_RdInMbox:
{
if (ch_in_mbox.get_count() == 0)
{
state += cpu_flag::wait;
}
while (true)
{
for (int i = 0; i < 10 && ch_in_mbox.get_count() == 0; i++)
{
busy_wait();
}
u32 out = 0;
if (const uint old_count = ch_in_mbox.try_pop(out))
{
if (old_count == 4 /* SPU_IN_MBOX_THRESHOLD */) // TODO: check this
{
int_ctrl[2].set(SPU_INT2_STAT_SPU_MAILBOX_THRESHOLD_INT);
}
check_state();
return out;
}
if (is_stopped())
{
return -1;
}
thread_ctrl::wait();
}
}
case MFC_RdTagStat:
{
if (ch_tag_stat.get_count())
{
u32 out = ch_tag_stat.get_value();
ch_tag_stat.set_value(0, false);
return out;
}
// Will stall infinitely
return read_channel(ch_tag_stat);
}
case MFC_RdTagMask:
{
return ch_tag_mask;
}
case SPU_RdSigNotify1:
{
return read_channel(ch_snr1);
}
case SPU_RdSigNotify2:
{
return read_channel(ch_snr2);
}
case MFC_RdAtomicStat:
{
if (ch_atomic_stat.get_count())
{
u32 out = ch_atomic_stat.get_value();
ch_atomic_stat.set_value(0, false);
return out;
}
// Will stall infinitely
return read_channel(ch_atomic_stat);
}
case MFC_RdListStallStat:
{
if (ch_stall_stat.get_count())
{
u32 out = ch_stall_stat.get_value();
ch_stall_stat.set_value(0, false);
return out;
}
// Will stall infinitely
return read_channel(ch_stall_stat);
}
case SPU_RdDec:
{
u32 out = ch_dec_value - (u32)(get_timebased_time() - ch_dec_start_timestamp);
//Polling: We might as well hint to the scheduler to slot in another thread since this one is counting down
if (g_cfg.core.spu_loop_detection && out > spu::scheduler::native_jiffy_duration_us)
{
state += cpu_flag::wait;
std::this_thread::yield();
}
return out;
}
case SPU_RdEventMask:
{
return ch_event_mask;
}
case SPU_RdEventStat:
{
u32 res = get_events();
if (res)
{
return res;
}
const u32 mask1 = ch_event_mask;
if (mask1 & SPU_EVENT_LR && raddr)
{
if (mask1 != SPU_EVENT_LR && mask1 != SPU_EVENT_LR + SPU_EVENT_TM)
{
// Combining LR with other flags needs another solution
fmt::throw_exception("Not supported: event mask 0x%x" HERE, mask1);
}
const auto pseudo_lock = vm::reservation_notifier(raddr, 128).try_shared_lock();
if (!pseudo_lock)
{
fmt::throw_exception("Unexpected: reservation notifier lock failed");
}
while (res = get_events(), !res)
{
state += cpu_flag::wait;
if (is_stopped())
{
return -1;
}
pseudo_lock.wait(100);
}
check_state();
return res;
}
while (res = get_events(true), !res)
{
state += cpu_flag::wait;
if (is_stopped())
{
return -1;
}
thread_ctrl::wait_for(100);
}
check_state();
return res;
}
case SPU_RdMachStat:
{
// HACK: "Not isolated" status
// Return SPU Interrupt status in LSB
return interrupts_enabled == true;
}
}
fmt::throw_exception("Unknown/illegal channel (ch=%d [%s])" HERE, ch, ch < 128 ? spu_ch_name[ch] : "???");
}
bool spu_thread::set_ch_value(u32 ch, u32 value)
{
LOG_TRACE(SPU, "set_ch_value(ch=%d [%s], value=0x%x)", ch, ch < 128 ? spu_ch_name[ch] : "???", value);
switch (ch)
{
case SPU_WrSRR0:
{
srr0 = value;
return true;
}
case SPU_WrOutIntrMbox:
{
if (offset >= RAW_SPU_BASE_ADDR)
{
while (!ch_out_intr_mbox.try_push(value))
{
state += cpu_flag::wait;
if (is_stopped())
{
return false;
}
thread_ctrl::wait();
}
int_ctrl[2].set(SPU_INT2_STAT_MAILBOX_INT);
check_state();
return true;
}
state += cpu_flag::wait;
const u32 code = value >> 24;
{
if (code < 64)
{
/* ===== sys_spu_thread_send_event (used by spu_printf) ===== */
u32 spup = code & 63;
u32 data = 0;
if (!ch_out_mbox.try_pop(data))
{
fmt::throw_exception("sys_spu_thread_send_event(value=0x%x, spup=%d): Out_MBox is empty" HERE, value, spup);
}
if (u32 count = ch_in_mbox.get_count())
{
fmt::throw_exception("sys_spu_thread_send_event(value=0x%x, spup=%d): In_MBox is not empty (count=%d)" HERE, value, spup, count);
}
LOG_TRACE(SPU, "sys_spu_thread_send_event(spup=%d, data0=0x%x, data1=0x%x)", spup, value & 0x00ffffff, data);
const auto queue = (std::lock_guard{group->mutex}, this->spup[spup].lock());
if (!queue)
{
LOG_WARNING(SPU, "sys_spu_thread_send_event(spup=%d, data0=0x%x, data1=0x%x): event queue not connected", spup, (value & 0x00ffffff), data);
ch_in_mbox.set_values(1, CELL_ENOTCONN);
return true;
}
ch_in_mbox.set_values(1, CELL_OK);
if (!queue->send(SYS_SPU_THREAD_EVENT_USER_KEY, id, ((u64)spup << 32) | (value & 0x00ffffff), data))
{
ch_in_mbox.set_values(1, CELL_EBUSY);
}
return true;
}
else if (code < 128)
{
/* ===== sys_spu_thread_throw_event ===== */
u32 spup = code & 63;
u32 data = 0;
if (!ch_out_mbox.try_pop(data))
{
fmt::throw_exception("sys_spu_thread_throw_event(value=0x%x, spup=%d): Out_MBox is empty" HERE, value, spup);
}
LOG_TRACE(SPU, "sys_spu_thread_throw_event(spup=%d, data0=0x%x, data1=0x%x)", spup, value & 0x00ffffff, data);
const auto queue = (std::lock_guard{group->mutex}, this->spup[spup].lock());
if (!queue)
{
LOG_WARNING(SPU, "sys_spu_thread_throw_event(spup=%d, data0=0x%x, data1=0x%x): event queue not connected", spup, (value & 0x00ffffff), data);
return true;
}
// TODO: check passing spup value
if (!queue->send(SYS_SPU_THREAD_EVENT_USER_KEY, id, ((u64)spup << 32) | (value & 0x00ffffff), data))
{
LOG_WARNING(SPU, "sys_spu_thread_throw_event(spup=%d, data0=0x%x, data1=0x%x) failed (queue is full)", spup, (value & 0x00ffffff), data);
}
return true;
}
else if (code == 128)
{
/* ===== sys_event_flag_set_bit ===== */
u32 flag = value & 0xffffff;
u32 data = 0;
if (!ch_out_mbox.try_pop(data))
{
fmt::throw_exception("sys_event_flag_set_bit(value=0x%x (flag=%d)): Out_MBox is empty" HERE, value, flag);
}
if (u32 count = ch_in_mbox.get_count())
{
fmt::throw_exception("sys_event_flag_set_bit(value=0x%x (flag=%d)): In_MBox is not empty (%d)" HERE, value, flag, count);
}
LOG_TRACE(SPU, "sys_event_flag_set_bit(id=%d, value=0x%x (flag=%d))", data, value, flag);
ch_in_mbox.set_values(1, CELL_OK);
// Use the syscall to set flag
if (s32 res = sys_event_flag_set(data, 1ull << flag))
{
ch_in_mbox.set_values(1, res);
}
return true;
}
else if (code == 192)
{
/* ===== sys_event_flag_set_bit_impatient ===== */
u32 flag = value & 0xffffff;
u32 data = 0;
if (!ch_out_mbox.try_pop(data))
{
fmt::throw_exception("sys_event_flag_set_bit_impatient(value=0x%x (flag=%d)): Out_MBox is empty" HERE, value, flag);
}
LOG_TRACE(SPU, "sys_event_flag_set_bit_impatient(id=%d, value=0x%x (flag=%d))", data, value, flag);
// Use the syscall to set flag
sys_event_flag_set(data, 1ull << flag);
return true;
}
else
{
if (ch_out_mbox.get_count())
{
fmt::throw_exception("SPU_WrOutIntrMbox: unknown data (value=0x%x); Out_MBox = 0x%x" HERE, value, ch_out_mbox.get_value());
}
else
{
fmt::throw_exception("SPU_WrOutIntrMbox: unknown data (value=0x%x)" HERE, value);
}
}
}
}
case SPU_WrOutMbox:
{
while (!ch_out_mbox.try_push(value))
{
state += cpu_flag::wait;
if (is_stopped())
{
return false;
}
thread_ctrl::wait();
}
check_state();
return true;
}
case MFC_WrTagMask:
{
ch_tag_mask = value;
if (ch_tag_upd)
{
const u32 completed = get_mfc_completed();
if (completed && ch_tag_upd == 1)
{
ch_tag_stat.set_value(completed);
ch_tag_upd = 0;
}
else if (completed == value && ch_tag_upd == 2)
{
ch_tag_stat.set_value(completed);
ch_tag_upd = 0;
}
}
return true;
}
case MFC_WrTagUpdate:
{
if (value > 2)
{
break;
}
const u32 completed = get_mfc_completed();
if (!value)
{
ch_tag_upd = 0;
ch_tag_stat.set_value(completed);
}
else if (completed && value == 1)
{
ch_tag_upd = 0;
ch_tag_stat.set_value(completed);
}
else if (completed == ch_tag_mask && value == 2)
{
ch_tag_upd = 0;
ch_tag_stat.set_value(completed);
}
else
{
ch_tag_upd = value;
ch_tag_stat.set_value(0, false);
}
return true;
}
case MFC_LSA:
{
ch_mfc_cmd.lsa = value;
return true;
}
case MFC_EAH:
{
ch_mfc_cmd.eah = value;
return true;
}
case MFC_EAL:
{
ch_mfc_cmd.eal = value;
return true;
}
case MFC_Size:
{
ch_mfc_cmd.size = value & 0x7fff;
return true;
}
case MFC_TagID:
{
ch_mfc_cmd.tag = value & 0x1f;
return true;
}
case MFC_Cmd:
{
ch_mfc_cmd.cmd = MFC(value & 0xff);
return process_mfc_cmd();
}
case MFC_WrListStallAck:
{
// Reset stall status for specified tag
const u32 tag_mask = utils::rol32(1, value);
if (ch_stall_mask & tag_mask)
{
ch_stall_mask &= ~tag_mask;
for (u32 i = 0; i < mfc_size; i++)
{
if (mfc_queue[i].tag == (value | 0x80))
{
// Unset stall bit
mfc_queue[i].tag &= 0x7f;
}
}
do_mfc(true);
}
return true;
}
case SPU_WrDec:
{
ch_dec_start_timestamp = get_timebased_time();
ch_dec_value = value;
return true;
}
case SPU_WrEventMask:
{
ch_event_mask = value;
return true;
}
case SPU_WrEventAck:
{
ch_event_stat &= ~value;
return true;
}
case 69:
{
return true;
}
}
fmt::throw_exception("Unknown/illegal channel (ch=%d [%s], value=0x%x)" HERE, ch, ch < 128 ? spu_ch_name[ch] : "???", value);
}
bool spu_thread::stop_and_signal(u32 code)
{
LOG_TRACE(SPU, "stop_and_signal(code=0x%x)", code);
if (offset >= RAW_SPU_BASE_ADDR)
{
state += cpu_flag::wait;
status.atomic_op([code](u32& status)
{
status = (status & 0xffff) | (code << 16);
status |= SPU_STATUS_STOPPED_BY_STOP;
status &= ~SPU_STATUS_RUNNING;
});
int_ctrl[2].set(SPU_INT2_STAT_SPU_STOP_AND_SIGNAL_INT);
state += cpu_flag::stop;
check_state();
return true;
}
switch (code)
{
case 0x000:
{
LOG_WARNING(SPU, "STOP 0x0");
// HACK: find an ILA instruction
for (u32 addr = pc; addr < 0x40000; addr += 4)
{
const u32 instr = _ref<u32>(addr);
if (instr >> 25 == 0x21)
{
pc = addr;
return false;
}
if (instr > 0x1fffff)
{
break;
}
}
// HACK: wait for executable code
while (!_ref<u32>(pc))
{
state += cpu_flag::wait;
if (is_stopped())
{
return false;
}
thread_ctrl::wait_for(1000);
}
check_state();
return false;
}
case 0x001:
{
state += cpu_flag::wait;
thread_ctrl::wait_for(1000); // hack
check_state();
return true;
}
case 0x002:
{
state += cpu_flag::ret;
return true;
}
case 0x110:
{
/* ===== sys_spu_thread_receive_event ===== */
u32 spuq = 0;
if (!ch_out_mbox.try_pop(spuq))
{
fmt::throw_exception("sys_spu_thread_receive_event(): Out_MBox is empty" HERE);
}
if (u32 count = ch_in_mbox.get_count())
{
LOG_ERROR(SPU, "sys_spu_thread_receive_event(): In_MBox is not empty (%d)", count);
return ch_in_mbox.set_values(1, CELL_EBUSY), true;
}
LOG_TRACE(SPU, "sys_spu_thread_receive_event(spuq=0x%x)", spuq);
if (group->type & SYS_SPU_THREAD_GROUP_TYPE_EXCLUSIVE_NON_CONTEXT) // this check may be inaccurate
{
return ch_in_mbox.set_values(1, CELL_EINVAL), true;
}
std::shared_ptr<lv2_event_queue> queue;
state += cpu_flag::wait;
while (true)
{
queue.reset();
// Check group status, wait if necessary
while (group->run_state >= SPU_THREAD_GROUP_STATUS_WAITING && group->run_state <= SPU_THREAD_GROUP_STATUS_SUSPENDED)
{
if (is_stopped())
{
return false;
}
thread_ctrl::wait();
}
reader_lock rlock(id_manager::g_mutex);
std::lock_guard lock(group->mutex);
if (group->run_state >= SPU_THREAD_GROUP_STATUS_WAITING && group->run_state <= SPU_THREAD_GROUP_STATUS_WAITING_AND_SUSPENDED)
{
// Try again
continue;
}
for (auto& v : this->spuq)
{
if (spuq == v.first)
{
queue = v.second.lock();
if (queue)
{
break;
}
}
}
if (!queue)
{
check_state();
return ch_in_mbox.set_values(1, CELL_EINVAL), true; // TODO: check error value
}
std::lock_guard qlock(queue->mutex);
if (queue->events.empty())
{
queue->sq.emplace_back(this);
group->run_state = SPU_THREAD_GROUP_STATUS_WAITING;
for (auto& thread : group->threads)
{
if (thread)
{
thread->state += cpu_flag::suspend;
}
}
// Wait
break;
}
else
{
// Return the event immediately
const auto event = queue->events.front();
const auto data1 = static_cast<u32>(std::get<1>(event));
const auto data2 = static_cast<u32>(std::get<2>(event));
const auto data3 = static_cast<u32>(std::get<3>(event));
ch_in_mbox.set_values(4, CELL_OK, data1, data2, data3);
queue->events.pop_front();
check_state();
return true;
}
}
while (true)
{
if (is_stopped())
{
return false;
}
if (!state.test_and_reset(cpu_flag::signal))
{
thread_ctrl::wait();
}
else
{
break;
}
}
std::lock_guard lock(group->mutex);
if (group->run_state == SPU_THREAD_GROUP_STATUS_WAITING)
{
group->run_state = SPU_THREAD_GROUP_STATUS_RUNNING;
}
else if (group->run_state == SPU_THREAD_GROUP_STATUS_WAITING_AND_SUSPENDED)
{
group->run_state = SPU_THREAD_GROUP_STATUS_SUSPENDED;
}
for (auto& thread : group->threads)
{
if (thread)
{
thread->state -= cpu_flag::suspend;
if (thread.get() != this)
{
thread_ctrl::notify(*thread);
}
}
}
check_state();
return true;
}
case 0x111:
{
/* ===== sys_spu_thread_tryreceive_event ===== */
u32 spuq = 0;
if (!ch_out_mbox.try_pop(spuq))
{
fmt::throw_exception("sys_spu_thread_tryreceive_event(): Out_MBox is empty" HERE);
}
if (u32 count = ch_in_mbox.get_count())
{
LOG_ERROR(SPU, "sys_spu_thread_tryreceive_event(): In_MBox is not empty (%d)", count);
return ch_in_mbox.set_values(1, CELL_EBUSY), true;
}
LOG_TRACE(SPU, "sys_spu_thread_tryreceive_event(spuq=0x%x)", spuq);
std::lock_guard lock(group->mutex);
std::shared_ptr<lv2_event_queue> queue;
for (auto& v : this->spuq)
{
if (spuq == v.first)
{
if (queue = v.second.lock())
{
break;
}
}
}
if (!queue)
{
return ch_in_mbox.set_values(1, CELL_EINVAL), true;
}
std::lock_guard qlock(queue->mutex);
if (queue->events.empty())
{
return ch_in_mbox.set_values(1, CELL_EBUSY), true;
}
const auto event = queue->events.front();
const auto data1 = static_cast<u32>(std::get<1>(event));
const auto data2 = static_cast<u32>(std::get<2>(event));
const auto data3 = static_cast<u32>(std::get<3>(event));
ch_in_mbox.set_values(4, CELL_OK, data1, data2, data3);
queue->events.pop_front();
return true;
}
case 0x100:
{
if (ch_out_mbox.get_count())
{
fmt::throw_exception("STOP code 0x100: Out_MBox is not empty" HERE);
}
_mm_mfence();
return true;
}
case 0x101:
{
/* ===== sys_spu_thread_group_exit ===== */
state += cpu_flag::wait;
u32 value = 0;
if (!ch_out_mbox.try_pop(value))
{
fmt::throw_exception("sys_spu_thread_group_exit(): Out_MBox is empty" HERE);
}
LOG_TRACE(SPU, "sys_spu_thread_group_exit(status=0x%x)", value);
std::lock_guard lock(group->mutex);
for (auto& thread : group->threads)
{
if (thread && thread.get() != this)
{
thread->state += cpu_flag::stop;
thread_ctrl::notify(*thread);
}
}
group->exit_status = value;
group->join_state = SYS_SPU_THREAD_GROUP_JOIN_GROUP_EXIT;
state += cpu_flag::stop;
check_state();
return true;
}
case 0x102:
{
/* ===== sys_spu_thread_exit ===== */
state += cpu_flag::wait;
if (!ch_out_mbox.get_count())
{
fmt::throw_exception("sys_spu_thread_exit(): Out_MBox is empty" HERE);
}
LOG_TRACE(SPU, "sys_spu_thread_exit(status=0x%x)", ch_out_mbox.get_value());
status |= SPU_STATUS_STOPPED_BY_STOP;
state += cpu_flag::stop;
check_state();
return true;
}
}
if (!ch_out_mbox.get_count())
{
fmt::throw_exception("Unknown STOP code: 0x%x (Out_MBox is empty)" HERE, code);
}
else
{
fmt::throw_exception("Unknown STOP code: 0x%x (Out_MBox=0x%x)" HERE, code, ch_out_mbox.get_value());
}
}
void spu_thread::halt()
{
LOG_TRACE(SPU, "halt()");
if (offset >= RAW_SPU_BASE_ADDR)
{
status.atomic_op([](u32& status)
{
status |= SPU_STATUS_STOPPED_BY_HALT;
status &= ~SPU_STATUS_RUNNING;
});
int_ctrl[2].set(SPU_INT2_STAT_SPU_HALT_OR_STEP_INT);
throw cpu_flag::stop;
}
status |= SPU_STATUS_STOPPED_BY_HALT;
fmt::throw_exception("Halt" HERE);
}
void spu_thread::fast_call(u32 ls_addr)
{
// LS:0x0: this is originally the entry point of the interrupt handler, but interrupts are not implemented
_ref<u32>(0) = 0x00000002; // STOP 2
auto old_pc = pc;
auto old_lr = gpr[0]._u32[3];
auto old_stack = gpr[1]._u32[3]; // only saved and restored (may be wrong)
pc = ls_addr;
gpr[0]._u32[3] = 0x0;
try
{
cpu_task();
}
catch (cpu_flag _s)
{
state += _s;
if (_s != cpu_flag::ret) throw;
}
state -= cpu_flag::ret;
pc = old_pc;
gpr[0]._u32[3] = old_lr;
gpr[1]._u32[3] = old_stack;
}
DECLARE(spu_thread::g_raw_spu_ctr){};
DECLARE(spu_thread::g_raw_spu_id){};