diff options
| author | grehan <grehan@FreeBSD.org> | 2004-07-08 06:06:56 +0000 |
|---|---|---|
| committer | grehan <grehan@FreeBSD.org> | 2004-07-08 06:06:56 +0000 |
| commit | 9063ace8b46b3a85ac81f553245ed2fb2a138ed0 (patch) | |
| tree | d792e31cba906bbcc99a5aa841dbeeae557c031c /sys/boot/ofw | |
| parent | ebf9bdd5488d9d612035dad8c7ac0544c74882fb (diff) | |
| download | FreeBSD-src-9063ace8b46b3a85ac81f553245ed2fb2a138ed0.zip FreeBSD-src-9063ace8b46b3a85ac81f553245ed2fb2a138ed0.tar.gz | |
Correctly calculate size of memory to be mapped when copying. Removal
of the 256Mb 1:1 BAT mapping exposed this as copying into memory that
hadn't been claimed from OpenFirmware.
compiled-tested on: panther (sparc64). Code built, but not used, on sparc64
Diffstat (limited to 'sys/boot/ofw')
| -rw-r--r-- | sys/boot/ofw/libofw/ofw_copy.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/boot/ofw/libofw/ofw_copy.c b/sys/boot/ofw/libofw/ofw_copy.c index 78f3cee..ba8c91f 100644 --- a/sys/boot/ofw/libofw/ofw_copy.c +++ b/sys/boot/ofw/libofw/ofw_copy.c @@ -47,9 +47,11 @@ ofw_copyin(const void *src, vm_offset_t dest, const size_t len) { void *destp, *addr; size_t dlen; + size_t resid; destp = (void *)(dest & ~PAGE_MASK); - dlen = roundup(len, PAGE_SIZE); + resid = dest & PAGE_MASK; + dlen = roundup(len + resid, PAGE_SIZE); if (OF_call_method("claim", memory, 3, 1, destp, dlen, 0, &addr) == -1) { |
