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cputlb: Expand cpu_ldst_useronly_template.h in user-exec.c 

With the tracing hooks, the inline functions are no longer
so simple.  Reduce the amount of preprocessor obfuscation
by expanding the text of each of the functions generated.

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
pull/89/head
Richard Henderson 6 years ago
parent
21ffbdc908
commit
ed4cfbcd50
3 changed files with 265 additions and 190 deletions
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  1. 236
      accel/tcg/user-exec.c
  2. 60
      include/exec/cpu_ldst.h
  3. 159
      include/exec/cpu_ldst_useronly_template.h

236
accel/tcg/user-exec.c
View File

@ -26,6 +26,8 @@
#include "translate-all.h"
#include "exec/helper-proto.h"
#include "qemu/atomic128.h"
#include "trace-root.h"
#include "trace/mem.h"
#undef EAX
#undef ECX
@ -734,6 +736,240 @@ int cpu_signal_handler(int host_signum, void *pinfo,
/* The softmmu versions of these helpers are in cputlb.c. */
uint32_t cpu_ldub_data(CPUArchState *env, abi_ptr ptr)
{
uint32_t ret;
uint16_t meminfo = trace_mem_get_info(MO_UB, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = ldub_p(g2h(ptr));
qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
return ret;
}
int cpu_ldsb_data(CPUArchState *env, abi_ptr ptr)
{
int ret;
uint16_t meminfo = trace_mem_get_info(MO_SB, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = ldsb_p(g2h(ptr));
qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
return ret;
}
uint32_t cpu_lduw_data(CPUArchState *env, abi_ptr ptr)
{
uint32_t ret;
uint16_t meminfo = trace_mem_get_info(MO_TEUW, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = lduw_p(g2h(ptr));
qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
return ret;
}
int cpu_ldsw_data(CPUArchState *env, abi_ptr ptr)
{
int ret;
uint16_t meminfo = trace_mem_get_info(MO_TESW, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = ldsw_p(g2h(ptr));
qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
return ret;
}
uint32_t cpu_ldl_data(CPUArchState *env, abi_ptr ptr)
{
uint32_t ret;
uint16_t meminfo = trace_mem_get_info(MO_TEUL, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = ldl_p(g2h(ptr));
qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
return ret;
}
uint64_t cpu_ldq_data(CPUArchState *env, abi_ptr ptr)
{
uint64_t ret;
uint16_t meminfo = trace_mem_get_info(MO_TEQ, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = ldq_p(g2h(ptr));
qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
return ret;
}
uint32_t cpu_ldub_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr)
{
uint32_t ret;
set_helper_retaddr(retaddr);
ret = cpu_ldub_data(env, ptr);
clear_helper_retaddr();
return ret;
}
int cpu_ldsb_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr)
{
int ret;
set_helper_retaddr(retaddr);
ret = cpu_ldsb_data(env, ptr);
clear_helper_retaddr();
return ret;
}
uint32_t cpu_lduw_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr)
{
uint32_t ret;
set_helper_retaddr(retaddr);
ret = cpu_lduw_data(env, ptr);
clear_helper_retaddr();
return ret;
}
int cpu_ldsw_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr)
{
int ret;
set_helper_retaddr(retaddr);
ret = cpu_ldsw_data(env, ptr);
clear_helper_retaddr();
return ret;
}
uint32_t cpu_ldl_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr)
{
uint32_t ret;
set_helper_retaddr(retaddr);
ret = cpu_ldl_data(env, ptr);
clear_helper_retaddr();
return ret;
}
uint64_t cpu_ldq_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr)
{
uint64_t ret;
set_helper_retaddr(retaddr);
ret = cpu_ldq_data(env, ptr);
clear_helper_retaddr();
return ret;
}
void cpu_stb_data(CPUArchState *env, abi_ptr ptr, uint32_t val)
{
uint16_t meminfo = trace_mem_get_info(MO_UB, MMU_USER_IDX, true);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
stb_p(g2h(ptr), val);
qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
}
void cpu_stw_data(CPUArchState *env, abi_ptr ptr, uint32_t val)
{
uint16_t meminfo = trace_mem_get_info(MO_TEUW, MMU_USER_IDX, true);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
stw_p(g2h(ptr), val);
qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
}
void cpu_stl_data(CPUArchState *env, abi_ptr ptr, uint32_t val)
{
uint16_t meminfo = trace_mem_get_info(MO_TEUL, MMU_USER_IDX, true);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
stl_p(g2h(ptr), val);
qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
}
void cpu_stq_data(CPUArchState *env, abi_ptr ptr, uint64_t val)
{
uint16_t meminfo = trace_mem_get_info(MO_TEQ, MMU_USER_IDX, true);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
stq_p(g2h(ptr), val);
qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
}
void cpu_stb_data_ra(CPUArchState *env, abi_ptr ptr,
uint32_t val, uintptr_t retaddr)
{
set_helper_retaddr(retaddr);
cpu_stb_data(env, ptr, val);
clear_helper_retaddr();
}
void cpu_stw_data_ra(CPUArchState *env, abi_ptr ptr,
uint32_t val, uintptr_t retaddr)
{
set_helper_retaddr(retaddr);
cpu_stw_data(env, ptr, val);
clear_helper_retaddr();
}
void cpu_stl_data_ra(CPUArchState *env, abi_ptr ptr,
uint32_t val, uintptr_t retaddr)
{
set_helper_retaddr(retaddr);
cpu_stl_data(env, ptr, val);
clear_helper_retaddr();
}
void cpu_stq_data_ra(CPUArchState *env, abi_ptr ptr,
uint64_t val, uintptr_t retaddr)
{
set_helper_retaddr(retaddr);
cpu_stq_data(env, ptr, val);
clear_helper_retaddr();
}
uint32_t cpu_ldub_code(CPUArchState *env, abi_ptr ptr)
{
uint32_t ret;
set_helper_retaddr(1);
ret = ldub_p(g2h(ptr));
clear_helper_retaddr();
return ret;
}
uint32_t cpu_lduw_code(CPUArchState *env, abi_ptr ptr)
{
uint32_t ret;
set_helper_retaddr(1);
ret = lduw_p(g2h(ptr));
clear_helper_retaddr();
return ret;
}
uint32_t cpu_ldl_code(CPUArchState *env, abi_ptr ptr)
{
uint32_t ret;
set_helper_retaddr(1);
ret = ldl_p(g2h(ptr));
clear_helper_retaddr();
return ret;
}
uint64_t cpu_ldq_code(CPUArchState *env, abi_ptr ptr)
{
uint64_t ret;
set_helper_retaddr(1);
ret = ldq_p(g2h(ptr));
clear_helper_retaddr();
return ret;
}
/* Do not allow unaligned operations to proceed. Return the host address. */
static void *atomic_mmu_lookup(CPUArchState *env, target_ulong addr,
int size, uintptr_t retaddr)

60
include/exec/cpu_ldst.h
View File

@ -120,35 +120,33 @@ static inline void clear_helper_retaddr(void)
/* In user-only mode we provide only the _code and _data accessors. */
#define MEMSUFFIX _data
#define DATA_SIZE 1
#include "exec/cpu_ldst_useronly_template.h"
#define DATA_SIZE 2
#include "exec/cpu_ldst_useronly_template.h"
#define DATA_SIZE 4
#include "exec/cpu_ldst_useronly_template.h"
#define DATA_SIZE 8
#include "exec/cpu_ldst_useronly_template.h"
#undef MEMSUFFIX
#define MEMSUFFIX _code
#define CODE_ACCESS
#define DATA_SIZE 1
#include "exec/cpu_ldst_useronly_template.h"
#define DATA_SIZE 2
#include "exec/cpu_ldst_useronly_template.h"
#define DATA_SIZE 4
#include "exec/cpu_ldst_useronly_template.h"
#define DATA_SIZE 8
#include "exec/cpu_ldst_useronly_template.h"
#undef MEMSUFFIX
#undef CODE_ACCESS
uint32_t cpu_ldub_data(CPUArchState *env, abi_ptr ptr);
uint32_t cpu_lduw_data(CPUArchState *env, abi_ptr ptr);
uint32_t cpu_ldl_data(CPUArchState *env, abi_ptr ptr);
uint64_t cpu_ldq_data(CPUArchState *env, abi_ptr ptr);
int cpu_ldsb_data(CPUArchState *env, abi_ptr ptr);
int cpu_ldsw_data(CPUArchState *env, abi_ptr ptr);
uint32_t cpu_ldub_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr);
uint32_t cpu_lduw_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr);
uint32_t cpu_ldl_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr);
uint64_t cpu_ldq_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr);
int cpu_ldsb_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr);
int cpu_ldsw_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr);
void cpu_stb_data(CPUArchState *env, abi_ptr ptr, uint32_t val);
void cpu_stw_data(CPUArchState *env, abi_ptr ptr, uint32_t val);
void cpu_stl_data(CPUArchState *env, abi_ptr ptr, uint32_t val);
void cpu_stq_data(CPUArchState *env, abi_ptr ptr, uint64_t val);
void cpu_stb_data_ra(CPUArchState *env, abi_ptr ptr,
uint32_t val, uintptr_t retaddr);
void cpu_stw_data_ra(CPUArchState *env, abi_ptr ptr,
uint32_t val, uintptr_t retaddr);
void cpu_stl_data_ra(CPUArchState *env, abi_ptr ptr,
uint32_t val, uintptr_t retaddr);
void cpu_stq_data_ra(CPUArchState *env, abi_ptr ptr,
uint64_t val, uintptr_t retaddr);
/*
* Provide the same *_mmuidx_ra interface as for softmmu.
@ -520,6 +518,8 @@ void cpu_stq_mmuidx_ra(CPUArchState *env, abi_ptr addr, uint64_t val,
#undef CPU_MMU_INDEX
#undef MEMSUFFIX
#endif /* defined(CONFIG_USER_ONLY) */
uint32_t cpu_ldub_code(CPUArchState *env, abi_ptr addr);
uint32_t cpu_lduw_code(CPUArchState *env, abi_ptr addr);
uint32_t cpu_ldl_code(CPUArchState *env, abi_ptr addr);
@ -535,8 +535,6 @@ static inline int cpu_ldsw_code(CPUArchState *env, abi_ptr addr)
return (int16_t)cpu_lduw_code(env, addr);
}
#endif /* defined(CONFIG_USER_ONLY) */
/**
* tlb_vaddr_to_host:
* @env: CPUArchState

159
include/exec/cpu_ldst_useronly_template.h
View File

@ -1,159 +0,0 @@
/*
* User-only accessor function support
*
* Generate inline load/store functions for one data size.
*
* Generate a store function as well as signed and unsigned loads.
*
* Not used directly but included from cpu_ldst.h.
*
* Copyright (c) 2015 Linaro Limited
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#if !defined(CODE_ACCESS)
#include "trace-root.h"
#endif
#include "trace/mem.h"
#if DATA_SIZE == 8
#define SUFFIX q
#define USUFFIX q
#define DATA_TYPE uint64_t
#define SHIFT 3
#elif DATA_SIZE == 4
#define SUFFIX l
#define USUFFIX l
#define DATA_TYPE uint32_t
#define SHIFT 2
#elif DATA_SIZE == 2
#define SUFFIX w
#define USUFFIX uw
#define DATA_TYPE uint16_t
#define DATA_STYPE int16_t
#define SHIFT 1
#elif DATA_SIZE == 1
#define SUFFIX b
#define USUFFIX ub
#define DATA_TYPE uint8_t
#define DATA_STYPE int8_t
#define SHIFT 0
#else
#error unsupported data size
#endif
#if DATA_SIZE == 8
#define RES_TYPE uint64_t
#else
#define RES_TYPE uint32_t
#endif
static inline RES_TYPE
glue(glue(cpu_ld, USUFFIX), MEMSUFFIX)(CPUArchState *env, abi_ptr ptr)
{
RES_TYPE ret;
#ifdef CODE_ACCESS
set_helper_retaddr(1);
ret = glue(glue(ld, USUFFIX), _p)(g2h(ptr));
clear_helper_retaddr();
#else
MemOp op = MO_TE | SHIFT;
uint16_t meminfo = trace_mem_get_info(op, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = glue(glue(ld, USUFFIX), _p)(g2h(ptr));
#endif
return ret;
}
#ifndef CODE_ACCESS
static inline RES_TYPE
glue(glue(glue(cpu_ld, USUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
abi_ptr ptr,
uintptr_t retaddr)
{
RES_TYPE ret;
set_helper_retaddr(retaddr);
ret = glue(glue(cpu_ld, USUFFIX), MEMSUFFIX)(env, ptr);
clear_helper_retaddr();
return ret;
}
#endif
#if DATA_SIZE <= 2
static inline int
glue(glue(cpu_lds, SUFFIX), MEMSUFFIX)(CPUArchState *env, abi_ptr ptr)
{
int ret;
#ifdef CODE_ACCESS
set_helper_retaddr(1);
ret = glue(glue(lds, SUFFIX), _p)(g2h(ptr));
clear_helper_retaddr();
#else
MemOp op = MO_TE | MO_SIGN | SHIFT;
uint16_t meminfo = trace_mem_get_info(op, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = glue(glue(lds, SUFFIX), _p)(g2h(ptr));
qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
#endif
return ret;
}
#ifndef CODE_ACCESS
static inline int
glue(glue(glue(cpu_lds, SUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
abi_ptr ptr,
uintptr_t retaddr)
{
int ret;
set_helper_retaddr(retaddr);
ret = glue(glue(cpu_lds, SUFFIX), MEMSUFFIX)(env, ptr);
clear_helper_retaddr();
return ret;
}
#endif /* CODE_ACCESS */
#endif /* DATA_SIZE <= 2 */
#ifndef CODE_ACCESS
static inline void
glue(glue(cpu_st, SUFFIX), MEMSUFFIX)(CPUArchState *env, abi_ptr ptr,
RES_TYPE v)
{
MemOp op = MO_TE | SHIFT;
uint16_t meminfo = trace_mem_get_info(op, MMU_USER_IDX, true);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
glue(glue(st, SUFFIX), _p)(g2h(ptr), v);
qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
}
static inline void
glue(glue(glue(cpu_st, SUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
abi_ptr ptr,
RES_TYPE v,
uintptr_t retaddr)
{
set_helper_retaddr(retaddr);
glue(glue(cpu_st, SUFFIX), MEMSUFFIX)(env, ptr, v);
clear_helper_retaddr();
}
#endif
#undef RES_TYPE
#undef DATA_TYPE
#undef DATA_STYPE
#undef SUFFIX
#undef USUFFIX
#undef DATA_SIZE
#undef SHIFT
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