qemu/accel/tcg/ldst_common.c.inc
Max Chou fce3d48038 accel/tcg: Avoid unnecessary call overhead from qemu_plugin_vcpu_mem_cb
If there are not any QEMU plugin memory callback functions, checking
before calling the qemu_plugin_vcpu_mem_cb function can reduce the
function call overhead.

Signed-off-by: Max Chou <max.chou@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Message-Id: <20240613175122.1299212-2-max.chou@sifive.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240620152220.2192768-13-alex.bennee@linaro.org>
2024-06-24 10:15:23 +01:00

551 lines
16 KiB
C++

/*
* Routines common to user and system emulation of load/store.
*
* Copyright (c) 2003 Fabrice Bellard
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
/*
* Load helpers for tcg-ldst.h
*/
tcg_target_ulong helper_ldub_mmu(CPUArchState *env, uint64_t addr,
MemOpIdx oi, uintptr_t retaddr)
{
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_8);
return do_ld1_mmu(env_cpu(env), addr, oi, retaddr, MMU_DATA_LOAD);
}
tcg_target_ulong helper_lduw_mmu(CPUArchState *env, uint64_t addr,
MemOpIdx oi, uintptr_t retaddr)
{
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_16);
return do_ld2_mmu(env_cpu(env), addr, oi, retaddr, MMU_DATA_LOAD);
}
tcg_target_ulong helper_ldul_mmu(CPUArchState *env, uint64_t addr,
MemOpIdx oi, uintptr_t retaddr)
{
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_32);
return do_ld4_mmu(env_cpu(env), addr, oi, retaddr, MMU_DATA_LOAD);
}
uint64_t helper_ldq_mmu(CPUArchState *env, uint64_t addr,
MemOpIdx oi, uintptr_t retaddr)
{
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_64);
return do_ld8_mmu(env_cpu(env), addr, oi, retaddr, MMU_DATA_LOAD);
}
/*
* Provide signed versions of the load routines as well. We can of course
* avoid this for 64-bit data, or for 32-bit data on 32-bit host.
*/
tcg_target_ulong helper_ldsb_mmu(CPUArchState *env, uint64_t addr,
MemOpIdx oi, uintptr_t retaddr)
{
return (int8_t)helper_ldub_mmu(env, addr, oi, retaddr);
}
tcg_target_ulong helper_ldsw_mmu(CPUArchState *env, uint64_t addr,
MemOpIdx oi, uintptr_t retaddr)
{
return (int16_t)helper_lduw_mmu(env, addr, oi, retaddr);
}
tcg_target_ulong helper_ldsl_mmu(CPUArchState *env, uint64_t addr,
MemOpIdx oi, uintptr_t retaddr)
{
return (int32_t)helper_ldul_mmu(env, addr, oi, retaddr);
}
Int128 helper_ld16_mmu(CPUArchState *env, uint64_t addr,
MemOpIdx oi, uintptr_t retaddr)
{
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_128);
return do_ld16_mmu(env_cpu(env), addr, oi, retaddr);
}
Int128 helper_ld_i128(CPUArchState *env, uint64_t addr, uint32_t oi)
{
return helper_ld16_mmu(env, addr, oi, GETPC());
}
/*
* Store helpers for tcg-ldst.h
*/
void helper_stb_mmu(CPUArchState *env, uint64_t addr, uint32_t val,
MemOpIdx oi, uintptr_t ra)
{
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_8);
do_st1_mmu(env_cpu(env), addr, val, oi, ra);
}
void helper_stw_mmu(CPUArchState *env, uint64_t addr, uint32_t val,
MemOpIdx oi, uintptr_t retaddr)
{
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_16);
do_st2_mmu(env_cpu(env), addr, val, oi, retaddr);
}
void helper_stl_mmu(CPUArchState *env, uint64_t addr, uint32_t val,
MemOpIdx oi, uintptr_t retaddr)
{
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_32);
do_st4_mmu(env_cpu(env), addr, val, oi, retaddr);
}
void helper_stq_mmu(CPUArchState *env, uint64_t addr, uint64_t val,
MemOpIdx oi, uintptr_t retaddr)
{
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_64);
do_st8_mmu(env_cpu(env), addr, val, oi, retaddr);
}
void helper_st16_mmu(CPUArchState *env, uint64_t addr, Int128 val,
MemOpIdx oi, uintptr_t retaddr)
{
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_128);
do_st16_mmu(env_cpu(env), addr, val, oi, retaddr);
}
void helper_st_i128(CPUArchState *env, uint64_t addr, Int128 val, MemOpIdx oi)
{
helper_st16_mmu(env, addr, val, oi, GETPC());
}
/*
* Load helpers for cpu_ldst.h
*/
static void plugin_load_cb(CPUArchState *env, abi_ptr addr, MemOpIdx oi)
{
if (cpu_plugin_mem_cbs_enabled(env_cpu(env))) {
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R);
}
}
uint8_t cpu_ldb_mmu(CPUArchState *env, abi_ptr addr, MemOpIdx oi, uintptr_t ra)
{
uint8_t ret;
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_UB);
ret = do_ld1_mmu(env_cpu(env), addr, oi, ra, MMU_DATA_LOAD);
plugin_load_cb(env, addr, oi);
return ret;
}
uint16_t cpu_ldw_mmu(CPUArchState *env, abi_ptr addr,
MemOpIdx oi, uintptr_t ra)
{
uint16_t ret;
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_16);
ret = do_ld2_mmu(env_cpu(env), addr, oi, ra, MMU_DATA_LOAD);
plugin_load_cb(env, addr, oi);
return ret;
}
uint32_t cpu_ldl_mmu(CPUArchState *env, abi_ptr addr,
MemOpIdx oi, uintptr_t ra)
{
uint32_t ret;
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_32);
ret = do_ld4_mmu(env_cpu(env), addr, oi, ra, MMU_DATA_LOAD);
plugin_load_cb(env, addr, oi);
return ret;
}
uint64_t cpu_ldq_mmu(CPUArchState *env, abi_ptr addr,
MemOpIdx oi, uintptr_t ra)
{
uint64_t ret;
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_64);
ret = do_ld8_mmu(env_cpu(env), addr, oi, ra, MMU_DATA_LOAD);
plugin_load_cb(env, addr, oi);
return ret;
}
Int128 cpu_ld16_mmu(CPUArchState *env, abi_ptr addr,
MemOpIdx oi, uintptr_t ra)
{
Int128 ret;
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_128);
ret = do_ld16_mmu(env_cpu(env), addr, oi, ra);
plugin_load_cb(env, addr, oi);
return ret;
}
/*
* Store helpers for cpu_ldst.h
*/
static void plugin_store_cb(CPUArchState *env, abi_ptr addr, MemOpIdx oi)
{
if (cpu_plugin_mem_cbs_enabled(env_cpu(env))) {
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_W);
}
}
void cpu_stb_mmu(CPUArchState *env, abi_ptr addr, uint8_t val,
MemOpIdx oi, uintptr_t retaddr)
{
helper_stb_mmu(env, addr, val, oi, retaddr);
plugin_store_cb(env, addr, oi);
}
void cpu_stw_mmu(CPUArchState *env, abi_ptr addr, uint16_t val,
MemOpIdx oi, uintptr_t retaddr)
{
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_16);
do_st2_mmu(env_cpu(env), addr, val, oi, retaddr);
plugin_store_cb(env, addr, oi);
}
void cpu_stl_mmu(CPUArchState *env, abi_ptr addr, uint32_t val,
MemOpIdx oi, uintptr_t retaddr)
{
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_32);
do_st4_mmu(env_cpu(env), addr, val, oi, retaddr);
plugin_store_cb(env, addr, oi);
}
void cpu_stq_mmu(CPUArchState *env, abi_ptr addr, uint64_t val,
MemOpIdx oi, uintptr_t retaddr)
{
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_64);
do_st8_mmu(env_cpu(env), addr, val, oi, retaddr);
plugin_store_cb(env, addr, oi);
}
void cpu_st16_mmu(CPUArchState *env, abi_ptr addr, Int128 val,
MemOpIdx oi, uintptr_t retaddr)
{
tcg_debug_assert((get_memop(oi) & MO_SIZE) == MO_128);
do_st16_mmu(env_cpu(env), addr, val, oi, retaddr);
plugin_store_cb(env, addr, oi);
}
/*
* Wrappers of the above
*/
uint32_t cpu_ldub_mmuidx_ra(CPUArchState *env, abi_ptr addr,
int mmu_idx, uintptr_t ra)
{
MemOpIdx oi = make_memop_idx(MO_UB, mmu_idx);
return cpu_ldb_mmu(env, addr, oi, ra);
}
int cpu_ldsb_mmuidx_ra(CPUArchState *env, abi_ptr addr,
int mmu_idx, uintptr_t ra)
{
return (int8_t)cpu_ldub_mmuidx_ra(env, addr, mmu_idx, ra);
}
uint32_t cpu_lduw_be_mmuidx_ra(CPUArchState *env, abi_ptr addr,
int mmu_idx, uintptr_t ra)
{
MemOpIdx oi = make_memop_idx(MO_BEUW | MO_UNALN, mmu_idx);
return cpu_ldw_mmu(env, addr, oi, ra);
}
int cpu_ldsw_be_mmuidx_ra(CPUArchState *env, abi_ptr addr,
int mmu_idx, uintptr_t ra)
{
return (int16_t)cpu_lduw_be_mmuidx_ra(env, addr, mmu_idx, ra);
}
uint32_t cpu_ldl_be_mmuidx_ra(CPUArchState *env, abi_ptr addr,
int mmu_idx, uintptr_t ra)
{
MemOpIdx oi = make_memop_idx(MO_BEUL | MO_UNALN, mmu_idx);
return cpu_ldl_mmu(env, addr, oi, ra);
}
uint64_t cpu_ldq_be_mmuidx_ra(CPUArchState *env, abi_ptr addr,
int mmu_idx, uintptr_t ra)
{
MemOpIdx oi = make_memop_idx(MO_BEUQ | MO_UNALN, mmu_idx);
return cpu_ldq_mmu(env, addr, oi, ra);
}
uint32_t cpu_lduw_le_mmuidx_ra(CPUArchState *env, abi_ptr addr,
int mmu_idx, uintptr_t ra)
{
MemOpIdx oi = make_memop_idx(MO_LEUW | MO_UNALN, mmu_idx);
return cpu_ldw_mmu(env, addr, oi, ra);
}
int cpu_ldsw_le_mmuidx_ra(CPUArchState *env, abi_ptr addr,
int mmu_idx, uintptr_t ra)
{
return (int16_t)cpu_lduw_le_mmuidx_ra(env, addr, mmu_idx, ra);
}
uint32_t cpu_ldl_le_mmuidx_ra(CPUArchState *env, abi_ptr addr,
int mmu_idx, uintptr_t ra)
{
MemOpIdx oi = make_memop_idx(MO_LEUL | MO_UNALN, mmu_idx);
return cpu_ldl_mmu(env, addr, oi, ra);
}
uint64_t cpu_ldq_le_mmuidx_ra(CPUArchState *env, abi_ptr addr,
int mmu_idx, uintptr_t ra)
{
MemOpIdx oi = make_memop_idx(MO_LEUQ | MO_UNALN, mmu_idx);
return cpu_ldq_mmu(env, addr, oi, ra);
}
void cpu_stb_mmuidx_ra(CPUArchState *env, abi_ptr addr, uint32_t val,
int mmu_idx, uintptr_t ra)
{
MemOpIdx oi = make_memop_idx(MO_UB, mmu_idx);
cpu_stb_mmu(env, addr, val, oi, ra);
}
void cpu_stw_be_mmuidx_ra(CPUArchState *env, abi_ptr addr, uint32_t val,
int mmu_idx, uintptr_t ra)
{
MemOpIdx oi = make_memop_idx(MO_BEUW | MO_UNALN, mmu_idx);
cpu_stw_mmu(env, addr, val, oi, ra);
}
void cpu_stl_be_mmuidx_ra(CPUArchState *env, abi_ptr addr, uint32_t val,
int mmu_idx, uintptr_t ra)
{
MemOpIdx oi = make_memop_idx(MO_BEUL | MO_UNALN, mmu_idx);
cpu_stl_mmu(env, addr, val, oi, ra);
}
void cpu_stq_be_mmuidx_ra(CPUArchState *env, abi_ptr addr, uint64_t val,
int mmu_idx, uintptr_t ra)
{
MemOpIdx oi = make_memop_idx(MO_BEUQ | MO_UNALN, mmu_idx);
cpu_stq_mmu(env, addr, val, oi, ra);
}
void cpu_stw_le_mmuidx_ra(CPUArchState *env, abi_ptr addr, uint32_t val,
int mmu_idx, uintptr_t ra)
{
MemOpIdx oi = make_memop_idx(MO_LEUW | MO_UNALN, mmu_idx);
cpu_stw_mmu(env, addr, val, oi, ra);
}
void cpu_stl_le_mmuidx_ra(CPUArchState *env, abi_ptr addr, uint32_t val,
int mmu_idx, uintptr_t ra)
{
MemOpIdx oi = make_memop_idx(MO_LEUL | MO_UNALN, mmu_idx);
cpu_stl_mmu(env, addr, val, oi, ra);
}
void cpu_stq_le_mmuidx_ra(CPUArchState *env, abi_ptr addr, uint64_t val,
int mmu_idx, uintptr_t ra)
{
MemOpIdx oi = make_memop_idx(MO_LEUQ | MO_UNALN, mmu_idx);
cpu_stq_mmu(env, addr, val, oi, ra);
}
/*--------------------------*/
uint32_t cpu_ldub_data_ra(CPUArchState *env, abi_ptr addr, uintptr_t ra)
{
int mmu_index = cpu_mmu_index(env_cpu(env), false);
return cpu_ldub_mmuidx_ra(env, addr, mmu_index, ra);
}
int cpu_ldsb_data_ra(CPUArchState *env, abi_ptr addr, uintptr_t ra)
{
return (int8_t)cpu_ldub_data_ra(env, addr, ra);
}
uint32_t cpu_lduw_be_data_ra(CPUArchState *env, abi_ptr addr, uintptr_t ra)
{
int mmu_index = cpu_mmu_index(env_cpu(env), false);
return cpu_lduw_be_mmuidx_ra(env, addr, mmu_index, ra);
}
int cpu_ldsw_be_data_ra(CPUArchState *env, abi_ptr addr, uintptr_t ra)
{
return (int16_t)cpu_lduw_be_data_ra(env, addr, ra);
}
uint32_t cpu_ldl_be_data_ra(CPUArchState *env, abi_ptr addr, uintptr_t ra)
{
int mmu_index = cpu_mmu_index(env_cpu(env), false);
return cpu_ldl_be_mmuidx_ra(env, addr, mmu_index, ra);
}
uint64_t cpu_ldq_be_data_ra(CPUArchState *env, abi_ptr addr, uintptr_t ra)
{
int mmu_index = cpu_mmu_index(env_cpu(env), false);
return cpu_ldq_be_mmuidx_ra(env, addr, mmu_index, ra);
}
uint32_t cpu_lduw_le_data_ra(CPUArchState *env, abi_ptr addr, uintptr_t ra)
{
int mmu_index = cpu_mmu_index(env_cpu(env), false);
return cpu_lduw_le_mmuidx_ra(env, addr, mmu_index, ra);
}
int cpu_ldsw_le_data_ra(CPUArchState *env, abi_ptr addr, uintptr_t ra)
{
return (int16_t)cpu_lduw_le_data_ra(env, addr, ra);
}
uint32_t cpu_ldl_le_data_ra(CPUArchState *env, abi_ptr addr, uintptr_t ra)
{
int mmu_index = cpu_mmu_index(env_cpu(env), false);
return cpu_ldl_le_mmuidx_ra(env, addr, mmu_index, ra);
}
uint64_t cpu_ldq_le_data_ra(CPUArchState *env, abi_ptr addr, uintptr_t ra)
{
int mmu_index = cpu_mmu_index(env_cpu(env), false);
return cpu_ldq_le_mmuidx_ra(env, addr, mmu_index, ra);
}
void cpu_stb_data_ra(CPUArchState *env, abi_ptr addr,
uint32_t val, uintptr_t ra)
{
int mmu_index = cpu_mmu_index(env_cpu(env), false);
cpu_stb_mmuidx_ra(env, addr, val, mmu_index, ra);
}
void cpu_stw_be_data_ra(CPUArchState *env, abi_ptr addr,
uint32_t val, uintptr_t ra)
{
int mmu_index = cpu_mmu_index(env_cpu(env), false);
cpu_stw_be_mmuidx_ra(env, addr, val, mmu_index, ra);
}
void cpu_stl_be_data_ra(CPUArchState *env, abi_ptr addr,
uint32_t val, uintptr_t ra)
{
int mmu_index = cpu_mmu_index(env_cpu(env), false);
cpu_stl_be_mmuidx_ra(env, addr, val, mmu_index, ra);
}
void cpu_stq_be_data_ra(CPUArchState *env, abi_ptr addr,
uint64_t val, uintptr_t ra)
{
int mmu_index = cpu_mmu_index(env_cpu(env), false);
cpu_stq_be_mmuidx_ra(env, addr, val, mmu_index, ra);
}
void cpu_stw_le_data_ra(CPUArchState *env, abi_ptr addr,
uint32_t val, uintptr_t ra)
{
int mmu_index = cpu_mmu_index(env_cpu(env), false);
cpu_stw_le_mmuidx_ra(env, addr, val, mmu_index, ra);
}
void cpu_stl_le_data_ra(CPUArchState *env, abi_ptr addr,
uint32_t val, uintptr_t ra)
{
int mmu_index = cpu_mmu_index(env_cpu(env), false);
cpu_stl_le_mmuidx_ra(env, addr, val, mmu_index, ra);
}
void cpu_stq_le_data_ra(CPUArchState *env, abi_ptr addr,
uint64_t val, uintptr_t ra)
{
int mmu_index = cpu_mmu_index(env_cpu(env), false);
cpu_stq_le_mmuidx_ra(env, addr, val, mmu_index, ra);
}
/*--------------------------*/
uint32_t cpu_ldub_data(CPUArchState *env, abi_ptr addr)
{
return cpu_ldub_data_ra(env, addr, 0);
}
int cpu_ldsb_data(CPUArchState *env, abi_ptr addr)
{
return (int8_t)cpu_ldub_data(env, addr);
}
uint32_t cpu_lduw_be_data(CPUArchState *env, abi_ptr addr)
{
return cpu_lduw_be_data_ra(env, addr, 0);
}
int cpu_ldsw_be_data(CPUArchState *env, abi_ptr addr)
{
return (int16_t)cpu_lduw_be_data(env, addr);
}
uint32_t cpu_ldl_be_data(CPUArchState *env, abi_ptr addr)
{
return cpu_ldl_be_data_ra(env, addr, 0);
}
uint64_t cpu_ldq_be_data(CPUArchState *env, abi_ptr addr)
{
return cpu_ldq_be_data_ra(env, addr, 0);
}
uint32_t cpu_lduw_le_data(CPUArchState *env, abi_ptr addr)
{
return cpu_lduw_le_data_ra(env, addr, 0);
}
int cpu_ldsw_le_data(CPUArchState *env, abi_ptr addr)
{
return (int16_t)cpu_lduw_le_data(env, addr);
}
uint32_t cpu_ldl_le_data(CPUArchState *env, abi_ptr addr)
{
return cpu_ldl_le_data_ra(env, addr, 0);
}
uint64_t cpu_ldq_le_data(CPUArchState *env, abi_ptr addr)
{
return cpu_ldq_le_data_ra(env, addr, 0);
}
void cpu_stb_data(CPUArchState *env, abi_ptr addr, uint32_t val)
{
cpu_stb_data_ra(env, addr, val, 0);
}
void cpu_stw_be_data(CPUArchState *env, abi_ptr addr, uint32_t val)
{
cpu_stw_be_data_ra(env, addr, val, 0);
}
void cpu_stl_be_data(CPUArchState *env, abi_ptr addr, uint32_t val)
{
cpu_stl_be_data_ra(env, addr, val, 0);
}
void cpu_stq_be_data(CPUArchState *env, abi_ptr addr, uint64_t val)
{
cpu_stq_be_data_ra(env, addr, val, 0);
}
void cpu_stw_le_data(CPUArchState *env, abi_ptr addr, uint32_t val)
{
cpu_stw_le_data_ra(env, addr, val, 0);
}
void cpu_stl_le_data(CPUArchState *env, abi_ptr addr, uint32_t val)
{
cpu_stl_le_data_ra(env, addr, val, 0);
}
void cpu_stq_le_data(CPUArchState *env, abi_ptr addr, uint64_t val)
{
cpu_stq_le_data_ra(env, addr, val, 0);
}