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Re: [PATCH v2 15/53] target/m68k: convert to use format_state instead of


From: Laurent Vivier
Subject: Re: [PATCH v2 15/53] target/m68k: convert to use format_state instead of dump_state
Date: Tue, 14 Sep 2021 21:58:41 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0

Le 14/09/2021 à 16:20, Daniel P. Berrangé a écrit :
> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> ---
>  target/m68k/cpu.c       |  2 +-
>  target/m68k/cpu.h       |  2 +-
>  target/m68k/translate.c | 92 ++++++++++++++++++++++-------------------
>  3 files changed, 51 insertions(+), 45 deletions(-)
> 
> diff --git a/target/m68k/cpu.c b/target/m68k/cpu.c
> index 72de6e9726..4ccf572a68 100644
> --- a/target/m68k/cpu.c
> +++ b/target/m68k/cpu.c
> @@ -536,7 +536,7 @@ static void m68k_cpu_class_init(ObjectClass *c, void 
> *data)
>  
>      cc->class_by_name = m68k_cpu_class_by_name;
>      cc->has_work = m68k_cpu_has_work;
> -    cc->dump_state = m68k_cpu_dump_state;
> +    cc->format_state = m68k_cpu_format_state;
>      cc->set_pc = m68k_cpu_set_pc;
>      cc->gdb_read_register = m68k_cpu_gdb_read_register;
>      cc->gdb_write_register = m68k_cpu_gdb_write_register;
> diff --git a/target/m68k/cpu.h b/target/m68k/cpu.h
> index 997d588911..b0641f6d0d 100644
> --- a/target/m68k/cpu.h
> +++ b/target/m68k/cpu.h
> @@ -168,7 +168,7 @@ struct M68kCPU {
>  
>  void m68k_cpu_do_interrupt(CPUState *cpu);
>  bool m68k_cpu_exec_interrupt(CPUState *cpu, int int_req);
> -void m68k_cpu_dump_state(CPUState *cpu, FILE *f, int flags);
> +void m68k_cpu_format_state(CPUState *cpu, GString *buf, int flags);
>  hwaddr m68k_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
>  int m68k_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
>  int m68k_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
> diff --git a/target/m68k/translate.c b/target/m68k/translate.c
> index c34d9aed61..951bbed6bf 100644
> --- a/target/m68k/translate.c
> +++ b/target/m68k/translate.c
> @@ -6316,75 +6316,81 @@ static double floatx80_to_double(CPUM68KState *env, 
> uint16_t high, uint64_t low)
>      return u.d;
>  }
>  
> -void m68k_cpu_dump_state(CPUState *cs, FILE *f, int flags)
> +void m68k_cpu_format_state(CPUState *cs, GString *buf, int flags)
>  {
>      M68kCPU *cpu = M68K_CPU(cs);
>      CPUM68KState *env = &cpu->env;
>      int i;
>      uint16_t sr;
>      for (i = 0; i < 8; i++) {
> -        qemu_fprintf(f, "D%d = %08x   A%d = %08x   "
> -                     "F%d = %04x %016"PRIx64"  (%12g)\n",
> -                     i, env->dregs[i], i, env->aregs[i],
> -                     i, env->fregs[i].l.upper, env->fregs[i].l.lower,
> -                     floatx80_to_double(env, env->fregs[i].l.upper,
> -                                        env->fregs[i].l.lower));
> -    }
> -    qemu_fprintf(f, "PC = %08x   ", env->pc);
> +        g_string_append_printf(buf, "D%d = %08x   A%d = %08x   "
> +                               "F%d = %04x %016"PRIx64"  (%12g)\n",
> +                               i, env->dregs[i], i, env->aregs[i],
> +                               i, env->fregs[i].l.upper, 
> env->fregs[i].l.lower,
> +                               floatx80_to_double(env, env->fregs[i].l.upper,
> +                                                  env->fregs[i].l.lower));
> +    }
> +    g_string_append_printf(buf, "PC = %08x   ", env->pc);
>      sr = env->sr | cpu_m68k_get_ccr(env);
> -    qemu_fprintf(f, "SR = %04x T:%x I:%x %c%c %c%c%c%c%c\n",
> -                 sr, (sr & SR_T) >> SR_T_SHIFT, (sr & SR_I) >> SR_I_SHIFT,
> -                 (sr & SR_S) ? 'S' : 'U', (sr & SR_M) ? '%' : 'I',
> -                 (sr & CCF_X) ? 'X' : '-', (sr & CCF_N) ? 'N' : '-',
> -                 (sr & CCF_Z) ? 'Z' : '-', (sr & CCF_V) ? 'V' : '-',
> -                 (sr & CCF_C) ? 'C' : '-');
> -    qemu_fprintf(f, "FPSR = %08x %c%c%c%c ", env->fpsr,
> -                 (env->fpsr & FPSR_CC_A) ? 'A' : '-',
> -                 (env->fpsr & FPSR_CC_I) ? 'I' : '-',
> -                 (env->fpsr & FPSR_CC_Z) ? 'Z' : '-',
> -                 (env->fpsr & FPSR_CC_N) ? 'N' : '-');
> -    qemu_fprintf(f, "\n                                "
> -                 "FPCR =     %04x ", env->fpcr);
> +    g_string_append_printf(buf, "SR = %04x T:%x I:%x %c%c %c%c%c%c%c\n",
> +                           sr, (sr & SR_T) >> SR_T_SHIFT,
> +                           (sr & SR_I) >> SR_I_SHIFT,
> +                           (sr & SR_S) ? 'S' : 'U', (sr & SR_M) ? '%' : 'I',
> +                           (sr & CCF_X) ? 'X' : '-', (sr & CCF_N) ? 'N' : 
> '-',
> +                           (sr & CCF_Z) ? 'Z' : '-', (sr & CCF_V) ? 'V' : 
> '-',
> +                           (sr & CCF_C) ? 'C' : '-');
> +    g_string_append_printf(buf, "FPSR = %08x %c%c%c%c ", env->fpsr,
> +                           (env->fpsr & FPSR_CC_A) ? 'A' : '-',
> +                           (env->fpsr & FPSR_CC_I) ? 'I' : '-',
> +                           (env->fpsr & FPSR_CC_Z) ? 'Z' : '-',
> +                           (env->fpsr & FPSR_CC_N) ? 'N' : '-');
> +    g_string_append_printf(buf, "\n                                "
> +                           "FPCR =     %04x ", env->fpcr);
>      switch (env->fpcr & FPCR_PREC_MASK) {
>      case FPCR_PREC_X:
> -        qemu_fprintf(f, "X ");
> +        g_string_append_printf(buf, "X ");
>          break;
>      case FPCR_PREC_S:
> -        qemu_fprintf(f, "S ");
> +        g_string_append_printf(buf, "S ");
>          break;
>      case FPCR_PREC_D:
> -        qemu_fprintf(f, "D ");
> +        g_string_append_printf(buf, "D ");
>          break;
>      }
>      switch (env->fpcr & FPCR_RND_MASK) {
>      case FPCR_RND_N:
> -        qemu_fprintf(f, "RN ");
> +        g_string_append_printf(buf, "RN ");
>          break;
>      case FPCR_RND_Z:
> -        qemu_fprintf(f, "RZ ");
> +        g_string_append_printf(buf, "RZ ");
>          break;
>      case FPCR_RND_M:
> -        qemu_fprintf(f, "RM ");
> +        g_string_append_printf(buf, "RM ");
>          break;
>      case FPCR_RND_P:
> -        qemu_fprintf(f, "RP ");
> +        g_string_append_printf(buf, "RP ");
>          break;
>      }
> -    qemu_fprintf(f, "\n");
> +    g_string_append_printf(buf, "\n");
>  #ifdef CONFIG_SOFTMMU
> -    qemu_fprintf(f, "%sA7(MSP) = %08x %sA7(USP) = %08x %sA7(ISP) = %08x\n",
> -                 env->current_sp == M68K_SSP ? "->" : "  ", 
> env->sp[M68K_SSP],
> -                 env->current_sp == M68K_USP ? "->" : "  ", 
> env->sp[M68K_USP],
> -                 env->current_sp == M68K_ISP ? "->" : "  ", 
> env->sp[M68K_ISP]);
> -    qemu_fprintf(f, "VBR = 0x%08x\n", env->vbr);
> -    qemu_fprintf(f, "SFC = %x DFC %x\n", env->sfc, env->dfc);
> -    qemu_fprintf(f, "SSW %08x TCR %08x URP %08x SRP %08x\n",
> -                 env->mmu.ssw, env->mmu.tcr, env->mmu.urp, env->mmu.srp);
> -    qemu_fprintf(f, "DTTR0/1: %08x/%08x ITTR0/1: %08x/%08x\n",
> -                 env->mmu.ttr[M68K_DTTR0], env->mmu.ttr[M68K_DTTR1],
> -                 env->mmu.ttr[M68K_ITTR0], env->mmu.ttr[M68K_ITTR1]);
> -    qemu_fprintf(f, "MMUSR %08x, fault at %08x\n",
> -                 env->mmu.mmusr, env->mmu.ar);
> +    g_string_append_printf(buf, "%sA7(MSP) = %08x %sA7(USP) = %08x "
> +                           "%sA7(ISP) = %08x\n",
> +                           env->current_sp == M68K_SSP ?
> +                           "->" : "  ", env->sp[M68K_SSP],
> +                           env->current_sp == M68K_USP ?
> +                           "->" : "  ", env->sp[M68K_USP],
> +                           env->current_sp == M68K_ISP ?
> +                           "->" : "  ", env->sp[M68K_ISP]);
> +    g_string_append_printf(buf, "VBR = 0x%08x\n", env->vbr);
> +    g_string_append_printf(buf, "SFC = %x DFC %x\n", env->sfc, env->dfc);
> +    g_string_append_printf(buf, "SSW %08x TCR %08x URP %08x SRP %08x\n",
> +                           env->mmu.ssw, env->mmu.tcr,
> +                           env->mmu.urp, env->mmu.srp);
> +    g_string_append_printf(buf, "DTTR0/1: %08x/%08x ITTR0/1: %08x/%08x\n",
> +                           env->mmu.ttr[M68K_DTTR0], 
> env->mmu.ttr[M68K_DTTR1],
> +                           env->mmu.ttr[M68K_ITTR0], 
> env->mmu.ttr[M68K_ITTR1]);
> +    g_string_append_printf(buf, "MMUSR %08x, fault at %08x\n",
> +                           env->mmu.mmusr, env->mmu.ar);
>  #endif
>  }
>  
> 

Acked-by: Laurent Vivier <laurent@vivier.eu>



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