openwrt

Commit Graph

Author	SHA1	Message	Date
Hauke Mehrtens	2909a4b78e	brcm47xx: relocate the stack in loader By default we are reusing the stack provided by CFE, like it is intended by CFE. On my WRT54GS it is located at 0x8043BF30, so a big kernel image could overwrite it. Relocate it to a different memory region which is still under the 8MB RAM, but in the higher area. We only need this memory region for the stack of the loader, Linux will set up this for its own. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>	7 years ago
Hauke Mehrtens	d5cf4a5aa4	brcm47xx: relocate loader to higher address The boot process on a WRT54GL works the following way: 1. CFE gets loaded by the boot rom from flash 2. CFE loads the loader from the flash and gzip uncompresses it 3. CFE starts the loader 4. The loader stores the FW arguments and relocates itself to BZ_TEXT_START (now 0x80600000) 5. The loader reads the Linux image from flash 6. The loader lzma decompresses the Linux image to LOADADDR (0x80001000) 7. The loader executes the uncompress Linux image at LOADADDR The BZ_TEXT_START was set to 0x80400000 before. When the kernel gets uncompressed and is bigger than BZ_TEXT_START - LOADADDR it overwrote the loader which was currently uncompressing it and made the board crash. Increase the BZ_TEXT_START my 2 MB to have more space for the kernel. Even on 16MB RAM devices the memory goes till 0x80FFFFFF so this should not be a problem. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>	7 years ago
Gabor Juhos	395fff6f8b	brcm47xx: lzma-loader: fix cache invalidation The current code only partially invalidates both caches because the cache size and cache-line size values are incorrectly passed to the C code. Fix the assembly code to pass the arguments in the correct order. Compile tested only. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 49060	8 years ago
Gabor Juhos	f8933cbd5f	brcm47xx: lzma-loader: remove trailing whitespaces from head.S Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 49059	8 years ago
Hauke Mehrtens	41b3383499	brcm47xx: Add edimax PS1208mfg support Thank you clemvangelis for the patches. (closes #7672) SVN-Revision: 24217	14 years ago
Felix Fietkau	812f026323	add back the base-files/image code from brcm-2.4 to brcm47xx SVN-Revision: 21945	14 years ago

6 Commits (f2c83532f92c5fa43165e1c5a3cd7f5cf4e9e3b3)