From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Graf Date: Wed, 13 Apr 2016 14:07:17 +0200 Subject: [U-Boot] [PATCH v2] efi_loader: Handle memory overflows In-Reply-To: <1460549078-23382-1-git-send-email-afaerber@suse.de> References: <1460549078-23382-1-git-send-email-afaerber@suse.de> Message-ID: <570E3675.9050309@suse.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 04/13/2016 02:04 PM, Andreas F?rber wrote: > jetson-tk1 has 2 GB of RAM at 0x80000000, causing gd->ram_top to be zero. > Handle this by either avoiding ram_top or by using the same type as > ram_top to reverse the overflow effect. > > Cc: Alexander Graf > Signed-off-by: Andreas F?rber Reviewed-by: Alexander Graf Alex > --- > lib/efi_loader/efi_memory.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c > index 138736f..82003d7 100644 > --- a/lib/efi_loader/efi_memory.c > +++ b/lib/efi_loader/efi_memory.c > @@ -225,7 +225,7 @@ efi_status_t efi_allocate_pages(int type, int memory_type, > switch (type) { > case 0: > /* Any page */ > - addr = efi_find_free_memory(len, gd->ram_top); > + addr = efi_find_free_memory(len, gd->start_addr_sp); > if (!addr) { > r = EFI_NOT_FOUND; > break; > @@ -325,9 +325,9 @@ efi_status_t efi_get_memory_map(unsigned long *memory_map_size, > > int efi_memory_init(void) > { > - uint64_t runtime_start, runtime_end, runtime_pages; > - uint64_t uboot_start, uboot_pages; > - uint64_t uboot_stack_size = 16 * 1024 * 1024; > + unsigned long runtime_start, runtime_end, runtime_pages; > + unsigned long uboot_start, uboot_pages; > + unsigned long uboot_stack_size = 16 * 1024 * 1024; > int i; > > /* Add RAM */