Hi guys, I do play a little bit with u-boot spl and I am curious about fat32 implementation. There is MAX_CLUSTSIZE which is 65k and there are 3 buffers in fat.c code do_fat_read_at_block get_contents_vfatname_block get_dentfromdir_block
All these 3 are placed to bss section. I have just 192k of memory for SPL that's why I tried 2 things 1. Place these 3 fat arrays to different memory which is working fine 2. Decrease MAX_CLUSTSIZE to any low value (I do use 8k). Unfortunately if I decrease MAX_CLUSTSIZE and add them to bss section SPL doesn't work. If I add them to a different section in front of or behind bss everything is just fine. That's why I have a question where can be the problem in this behaviour that keeping 8k MAX_CLUSTSIZE in bss section doesn't work and keeping 8k MAX_CLUSTSIZE out of bss section works. bss relocation is not done in SPL. Maybe someone could know where the problem can be before I look at ASM code. Thanks for your hints, Michal -- Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 w: www.monstr.eu p: +42-0-721842854 Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/ Maintainer of Linux kernel - Xilinx Zynq ARM architecture Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform
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