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Re: [Qemu-devel] [PATCH] SH4: Added monitoring of TLBs
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] [PATCH] SH4: Added monitoring of TLBs |
Date: |
Tue, 3 Mar 2009 07:12:25 +0100 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
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 <address@hidden>
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
address@hidden http://www.aurel32.net
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