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From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Subject: Re: [PATCH v2 02/28] cputlb: Use trace_mem_get_info instead of trace_mem_build_info
Date: Tue, 17 Dec 2019 04:59:49 +0100	[thread overview]
Message-ID: <cf26dd5a-b507-a357-258d-dbb53230614c@redhat.com> (raw)
In-Reply-To: <20191216221158.29572-3-richard.henderson@linaro.org>

On 12/16/19 11:11 PM, Richard Henderson wrote:
> In the cpu_ldst templates, we already require a MemOp, and it
> is cleaner and clearer to pass that instead of 3 separate
> arguments describing the memory operation.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   include/exec/cpu_ldst_template.h          | 22 +++++++++++-----------
>   include/exec/cpu_ldst_useronly_template.h | 12 ++++++------
>   2 files changed, 17 insertions(+), 17 deletions(-)
> 
> diff --git a/include/exec/cpu_ldst_template.h b/include/exec/cpu_ldst_template.h
> index 54b5e858ce..0ad5de3ef9 100644
> --- a/include/exec/cpu_ldst_template.h
> +++ b/include/exec/cpu_ldst_template.h
> @@ -86,9 +86,9 @@ glue(glue(glue(cpu_ld, USUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
>       RES_TYPE res;
>       target_ulong addr;
>       int mmu_idx = CPU_MMU_INDEX;
> -    TCGMemOpIdx oi;
> +    MemOp op = MO_TE | SHIFT;
>   #if !defined(SOFTMMU_CODE_ACCESS)
> -    uint16_t meminfo = trace_mem_build_info(SHIFT, false, MO_TE, false, mmu_idx);
> +    uint16_t meminfo = trace_mem_get_info(op, mmu_idx, false);
>       trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
>   #endif
>   
> @@ -96,9 +96,9 @@ glue(glue(glue(cpu_ld, USUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
>       entry = tlb_entry(env, mmu_idx, addr);
>       if (unlikely(entry->ADDR_READ !=
>                    (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
> -        oi = make_memop_idx(SHIFT, mmu_idx);
> +        TCGMemOpIdx oi = make_memop_idx(op, mmu_idx);
>           res = glue(glue(helper_ret_ld, URETSUFFIX), MMUSUFFIX)(env, addr,
> -                                                            oi, retaddr);
> +                                                               oi, retaddr);
>       } else {
>           uintptr_t hostaddr = addr + entry->addend;
>           res = glue(glue(ld, USUFFIX), _p)((uint8_t *)hostaddr);
> @@ -125,9 +125,9 @@ glue(glue(glue(cpu_lds, SUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
>       int res;
>       target_ulong addr;
>       int mmu_idx = CPU_MMU_INDEX;
> -    TCGMemOpIdx oi;
> -#if !defined(SOFTMMU_CODE_ACCESS)
> -    uint16_t meminfo = trace_mem_build_info(SHIFT, true, MO_TE, false, mmu_idx);
> +    MemOp op = MO_TE | MO_SIGN | SHIFT;

Good, the sign-extend is easier to review this way (than 'true').

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

> +#ifndef SOFTMMU_CODE_ACCESS
> +    uint16_t meminfo = trace_mem_get_info(op, mmu_idx, false);
>       trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
>   #endif
>   
> @@ -135,7 +135,7 @@ glue(glue(glue(cpu_lds, SUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
>       entry = tlb_entry(env, mmu_idx, addr);
>       if (unlikely(entry->ADDR_READ !=
>                    (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
> -        oi = make_memop_idx(SHIFT, mmu_idx);
> +        TCGMemOpIdx oi = make_memop_idx(op & ~MO_SIGN, mmu_idx);
>           res = (DATA_STYPE)glue(glue(helper_ret_ld, SRETSUFFIX),
>                                  MMUSUFFIX)(env, addr, oi, retaddr);
>       } else {
> @@ -167,9 +167,9 @@ glue(glue(glue(cpu_st, SUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
>       CPUTLBEntry *entry;
>       target_ulong addr;
>       int mmu_idx = CPU_MMU_INDEX;
> -    TCGMemOpIdx oi;
> +    MemOp op = MO_TE | SHIFT;
>   #if !defined(SOFTMMU_CODE_ACCESS)
> -    uint16_t meminfo = trace_mem_build_info(SHIFT, false, MO_TE, true, mmu_idx);
> +    uint16_t meminfo = trace_mem_get_info(op, mmu_idx, true);
>       trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
>   #endif
>   
> @@ -177,7 +177,7 @@ glue(glue(glue(cpu_st, SUFFIX), MEMSUFFIX), _ra)(CPUArchState *env,
>       entry = tlb_entry(env, mmu_idx, addr);
>       if (unlikely(tlb_addr_write(entry) !=
>                    (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
> -        oi = make_memop_idx(SHIFT, mmu_idx);
> +        TCGMemOpIdx oi = make_memop_idx(op, mmu_idx);
>           glue(glue(helper_ret_st, SUFFIX), MMUSUFFIX)(env, addr, v, oi,
>                                                        retaddr);
>       } else {
> diff --git a/include/exec/cpu_ldst_useronly_template.h b/include/exec/cpu_ldst_useronly_template.h
> index dbdc7a845d..e5a3d1983a 100644
> --- a/include/exec/cpu_ldst_useronly_template.h
> +++ b/include/exec/cpu_ldst_useronly_template.h
> @@ -70,8 +70,8 @@ glue(glue(cpu_ld, USUFFIX), MEMSUFFIX)(CPUArchState *env, abi_ptr ptr)
>       ret = glue(glue(ld, USUFFIX), _p)(g2h(ptr));
>       clear_helper_retaddr();
>   #else
> -    uint16_t meminfo = trace_mem_build_info(SHIFT, false, MO_TE, false,
> -                                            MMU_USER_IDX);
> +    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
> @@ -102,8 +102,8 @@ glue(glue(cpu_lds, SUFFIX), MEMSUFFIX)(CPUArchState *env, abi_ptr ptr)
>       ret = glue(glue(lds, SUFFIX), _p)(g2h(ptr));
>       clear_helper_retaddr();
>   #else
> -    uint16_t meminfo = trace_mem_build_info(SHIFT, true, MO_TE, false,
> -                                            MMU_USER_IDX);
> +    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);
> @@ -131,8 +131,8 @@ static inline void
>   glue(glue(cpu_st, SUFFIX), MEMSUFFIX)(CPUArchState *env, abi_ptr ptr,
>                                         RES_TYPE v)
>   {
> -    uint16_t meminfo = trace_mem_build_info(SHIFT, false, MO_TE, true,
> -                                            MMU_USER_IDX);
> +    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);
> 



  reply	other threads:[~2019-12-17  4:00 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-16 22:11 [PATCH v2 00/28] cputlb: Remove support for MMU_MODE*_SUFFIX Richard Henderson
2019-12-16 22:11 ` [PATCH v2 01/28] target/xtensa: Use probe_access for itlb_hit_test Richard Henderson
2019-12-17  3:51   ` Philippe Mathieu-Daudé
2019-12-20 14:15   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 02/28] cputlb: Use trace_mem_get_info instead of trace_mem_build_info Richard Henderson
2019-12-17  3:59   ` Philippe Mathieu-Daudé [this message]
2019-12-20 15:04   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 03/28] trace: Remove trace_mem_build_info_no_se_[bl]e Richard Henderson
2019-12-20 16:38   ` Alex Bennée
2019-12-28 20:48     ` Richard Henderson
2019-12-16 22:11 ` [PATCH v2 04/28] cputlb: Move body of cpu_ldst_template.h out of line Richard Henderson
2019-12-20 17:07   ` Alex Bennée
2019-12-20 18:33     ` Alex Bennée
2019-12-20 18:36   ` Alex Bennée
2019-12-28 20:50     ` Richard Henderson
2019-12-16 22:11 ` [PATCH v2 05/28] translator: Use cpu_ld*_code instead of open-coding Richard Henderson
2019-12-20 17:12   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 06/28] cputlb: Rename helper_ret_ld*_cmmu to cpu_ld*_code Richard Henderson
2019-12-20 17:25   ` Alex Bennée
2019-12-28 20:58     ` Richard Henderson
2019-12-16 22:11 ` [PATCH v2 07/28] cputlb: Provide cpu_(ld, st}*_mmuidx_ra for user-only Richard Henderson
2019-12-20 17:36   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 08/28] target/i386: Use cpu_*_mmuidx_ra instead of templates Richard Henderson
2019-12-20 17:42   ` Alex Bennée
2019-12-28 21:02     ` Richard Henderson
2019-12-16 22:11 ` [PATCH v2 09/28] target/s390x: Include tcg.h in mem_helper.c Richard Henderson
2019-12-20 17:43   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 10/28] target/arm: Include tcg.h in sve_helper.c Richard Henderson
2019-12-20 17:43   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 11/28] accel/tcg: Include tcg.h in tcg-runtime.c Richard Henderson
2019-12-16 22:11 ` [PATCH v2 12/28] linux-user: Include tcg.h in syscall.c Richard Henderson
2019-12-20 17:43   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 13/28] linux-user: Include trace-root.h in syscall-trace.h Richard Henderson
2019-12-20 17:49   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 14/28] cputlb: Expand cpu_ldst_useronly_template.h in user-exec.c Richard Henderson
2019-12-20 17:59   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 15/28] target/nios2: Remove MMU_MODE{0,1}_SUFFIX Richard Henderson
2019-12-20 18:02   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 16/28] target/alpha: " Richard Henderson
2019-12-20 18:02   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 17/28] target/cris: " Richard Henderson
2019-12-20 18:02   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 18/28] target/i386: Remove MMU_MODE{0,1,2}_SUFFIX Richard Henderson
2019-12-20 18:02   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 19/28] target/microblaze: " Richard Henderson
2019-12-20 18:03   ` [PATCH v2 19/28] target/microblaze: Remove MMU_MODE{0, 1, 2}_SUFFIX Alex Bennée
2019-12-16 22:11 ` [PATCH v2 20/28] target/sh4: Remove MMU_MODE{0,1}_SUFFIX Richard Henderson
2019-12-20 18:03   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 21/28] target/unicore32: " Richard Henderson
2019-12-20 18:03   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 22/28] target/xtensa: Remove MMU_MODE{0,1,2,3}_SUFFIX Richard Henderson
2019-12-20 19:30   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 23/28] target/m68k: Use cpu_*_mmuidx_ra instead of MMU_MODE{0, 1}_SUFFIX Richard Henderson
2019-12-20 19:34   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 24/28] target/mips: Use cpu_*_mmuidx_ra instead of MMU_MODE*_SUFFIX Richard Henderson
2019-12-20 19:37   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 25/28] target/s390x: " Richard Henderson
2019-12-20 19:39   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 26/28] target/ppc: " Richard Henderson
2019-12-20 19:51   ` Alex Bennée
2019-12-28 21:18     ` Richard Henderson
2019-12-29  8:40       ` David Gibson
2019-12-16 22:11 ` [PATCH v2 27/28] cputlb: Remove support for MMU_MODE*_SUFFIX Richard Henderson
2019-12-20 19:52   ` Alex Bennée
2019-12-16 22:11 ` [PATCH v2 28/28] cputlb: Expand cpu_ldst_template.h in cputlb.c Richard Henderson
2019-12-20 19:53   ` Alex Bennée

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