Re: [Qemu-devel] [PATCH] SH4: Added monitoring of TLBs

[Aurelien Jarno <aurelien@aurel32.net>]

On Mon, Feb 16, 2009 at 11:39:14PM +0100, Lionel Landwerlin wrote:
> This patch might interest some people trying (as I try to do) to fix
> some tlbs for kernel/user space data sharing.
> 
> 
> Signed-off-by: Lionel Landwerlin <lionel.landwerlin@openwide.fr>

Thanks applied.

> ---
>  monitor.c |   35 +++++++++++++++++++++++++++++++++--
>  1 files changed, 33 insertions(+), 2 deletions(-)
> 
> diff --git a/monitor.c b/monitor.c
> index 745c335..a9d378c 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -1245,6 +1245,35 @@ static void mem_info(void)
>  }
>  #endif
>  
> +#if defined(TARGET_SH4)
> +
> +static void print_tlb(int idx, tlb_t *tlb)
> +{
> +    term_printf(" tlb%i:\t"
> +                "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
> +                "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
> +                "dirty=%hhu writethrough=%hhu\n",
> +                idx,
> +                tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
> +                tlb->v, tlb->sh, tlb->c, tlb->pr,
> +                tlb->d, tlb->wt);
> +}
> +
> +static void tlb_info(void)
> +{
> +    CPUState *env = mon_get_cpu();
> +    int i;
> +
> +    term_printf ("ITLB:\n");
> +    for (i = 0 ; i < ITLB_SIZE ; i++)
> +        print_tlb (i, &env->itlb[i]);
> +    term_printf ("UTLB:\n");
> +    for (i = 0 ; i < UTLB_SIZE ; i++)
> +        print_tlb (i, &env->utlb[i]);
> +}
> +
> +#endif
> +
>  static void do_info_kqemu(void)
>  {
>  #ifdef USE_KQEMU
> @@ -1542,9 +1571,11 @@ static const term_cmd_t info_cmds[] = {
>        "", "show i8259 (PIC) state", },
>      { "pci", "", pci_info,
>        "", "show PCI info", },
> -#if defined(TARGET_I386)
> +#if defined(TARGET_I386) || defined(TARGET_SH4)
>      { "tlb", "", tlb_info,
>        "", "show virtual to physical memory mappings", },
> +#endif
> +#if defined(TARGET_I386)
>      { "mem", "", mem_info,
>        "", "show the active virtual memory mappings", },
>      { "hpet", "", do_info_hpet,
> -- 
> 1.5.6.5
> 
> 
> 
> 
> 
> 

-- 
Aurelien Jarno	                        GPG: 1024D/F1BCDB73
aurelien@aurel32.net                 http://www.aurel32.net