2012/10/14 coreboot <[email protected]>: > #188: gcc-4.7 miscompiles coreboot on -Os, -O1,-O2,-O3 in 3 different ways > -----------------------------+---------------------------------- > Reporter: mustrumr97@… | Owner: stepan@… > Type: defect | Status: new > Priority: major | Milestone: > Component: coreboot | Keywords: > Dependencies: | Patch Status: there is no patch
There is a workaround (using gcc 4.6): http://www.coreboot.org/Development_Guidelines#Required_Toolchain http://www.coreboot.org/pipermail/coreboot/2011-June/065646.html > -----------------------------+---------------------------------- > Coreboot 1b97bdc42a91746906b99a37ad15ba0a0039e4a3 > Has been doing the same for at least 3 months > On -O1: > After printing > {{{ > Adjust low_table_end from 0x00000528 to 0x00001000 > Adjust rom_table_end from 0x07fe0400 to 0x07ff0000 > Adding high table area > coreboot memory table: > }}} > {{{ > #0 unpack_lb64 (value=...) at src/include/boot/coreboot_tables.h:54 > #1 lb_dump_memory_ranges (mem=0x7fe0418) at > src/arch/x86/boot/coreboot_table.c:523 > #2 write_coreboot_table (low_table_start=low_table_start@entry=0, > low_table_end=<optimized out>, low_table_end@entry=1280, > rom_table_start=134086656, rom_table_end=<optimized out>, > rom_table_end@entry=134087680) at src/arch/x86/boot/coreboot_table.c:669 > #3 0x00109004 in write_tables () at src/arch/x86/boot/tables.c:214 > #4 0x00100999 in hardwaremain (boot_complete=0) at > src/boot/hardwaremain.c:146 > #5 0x0010009c in _text () at src/arch/x86/lib/c_start.S:89 > }}} > > > On -O2 and -Os > After printing > {{{ > Adjust low_table_end from 0x00000528 to 0x00001000 > Adjust rom_table_end from 0x07fe0400 to 0x07ff0000 > }}} > same stack trace > > > On -O3 qemu resets after prining > {{{ > coreboot-4.0-2820-g1b97bdc-dirty Sun Oct 14 15:07:41 EEST 2012 starting... > Loading image. > CBFS: Looking for 'fallback/coreboot_ram' > CBFS: found. > CBFS: loading stage fallback/coreboot_ram @ 0x100000 (180224 bytes), entry > @ 0x100000 > }}} > > -- > Ticket URL: <https://tracker.coreboot.org/trac/coreboot/ticket/188> > coreboot <http://www.coreboot.org/> > > -- > coreboot mailing list: [email protected] > http://www.coreboot.org/mailman/listinfo/coreboot -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
