On 20/03/15 11:47, Thierry Reding wrote:
> From: Thierry Reding <tred...@nvidia.com>
>
> While generating the page tables, a running integer index is shifted by
> SECTION_SHIFT (29) and causes overflow for any integer bigger than 7.
> The page tables therefore alias to the same 8 sections and cause U-Boot
> to hang once the MMU is enabled.
>
> Fix this by making the index a 64-bit unsigned integer and so avoid the
> overflow.
>
> Cc: Albert Aribaud <albert.u.b...@aribaud.net>
> Cc: Marc Zyngier <marc.zyng...@arm.com>
> Signed-off-by: Thierry Reding <tred...@nvidia.com>
Acked-by: Marc Zyngier <marc.zyng...@arm.com>
> ---
> arch/arm/cpu/armv8/cache_v8.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/cpu/armv8/cache_v8.c b/arch/arm/cpu/armv8/cache_v8.c
> index c5ec5297cd39..254a629a3b8c 100644
> --- a/arch/arm/cpu/armv8/cache_v8.c
> +++ b/arch/arm/cpu/armv8/cache_v8.c
> @@ -25,9 +25,9 @@ void set_pgtable_section(u64 *page_table, u64 index, u64
> section,
> /* to activate the MMU we need to set up virtual memory */
> static void mmu_setup(void)
> {
> - int i, j, el;
> bd_t *bd = gd->bd;
> - u64 *page_table = (u64 *)gd->arch.tlb_addr;
> + u64 *page_table = (u64 *)gd->arch.tlb_addr, i, j;
> + int el;
>
> /* Setup an identity-mapping for all spaces */
> for (i = 0; i < (PGTABLE_SIZE >> 3); i++) {
>
--
Jazz is not dead. It just smells funny...
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