diff options
| author | Segher Boessenkool <segher@kernel.crashing.org> | 2008-08-12 11:58:00 +0000 |
|---|---|---|
| committer | Segher Boessenkool <segher@kernel.crashing.org> | 2008-08-12 11:58:00 +0000 |
| commit | 716c7204685b65707f83956bbae8bd3e338f9286 (patch) | |
| tree | 6ac3da5a7105d70a9853eee9827e2ae2fc5c8b39 /util/flashrom | |
| parent | d133d9a23077e30f57014ab84633b7a0c4dc2518 (diff) | |
flashrom: Fix error -EINVAL on mmap()
Don't calculate "flash_baseaddr" until the final value of "size"
is known, otherwise we end up trying to map a page right after
the end of memory.
Fixes #112.
Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3502 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'util/flashrom')
| -rw-r--r-- | util/flashrom/flashrom.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/util/flashrom/flashrom.c b/util/flashrom/flashrom.c index 4fd509c3b1..03a8eeb651 100644 --- a/util/flashrom/flashrom.c +++ b/util/flashrom/flashrom.c @@ -116,14 +116,6 @@ struct flashchip *probe_flash(struct flashchip *flash, int force) size = flash->total_size * 1024; -#ifdef TS5300 - // FIXME: Wrong place for this decision - // FIXME: This should be autodetected. It is trivial. - flash_baseaddr = 0x9400000; -#else - flash_baseaddr = (0xffffffff - size + 1); -#endif - /* If getpagesize() > size -> * "Can't mmap memory using /dev/mem: Invalid argument" * This should never happen as we don't support any flash chips @@ -139,6 +131,14 @@ struct flashchip *probe_flash(struct flashchip *flash, int force) size = getpagesize(); } +#ifdef TS5300 + // FIXME: Wrong place for this decision + // FIXME: This should be autodetected. It is trivial. + flash_baseaddr = 0x9400000; +#else + flash_baseaddr = (0xffffffff - size + 1); +#endif + bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED, fd_mem, (off_t) flash_baseaddr); if (bios == MAP_FAILED) { |