diff options
author | 2016-05-18 13:18:31 +0300 | |
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committer | 2016-05-18 13:42:15 +0300 | |
commit | 437fd90c0250dee670290f9b714253671a990160 (patch) | |
tree | b871786c360704244a07411c69fb58da9ead4a06 /qemu/roms/SLOF/lib/libhvcall/rfill.c | |
parent | 5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff) |
These changes are the raw update to qemu-2.6.
Collission happened in the following patches:
migration: do cleanup operation after completion(738df5b9)
Bug fix.(1750c932f86)
kvmclock: add a new function to update env->tsc.(b52baab2)
The code provided by the patches was already in the upstreamed
version.
Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/roms/SLOF/lib/libhvcall/rfill.c')
-rw-r--r-- | qemu/roms/SLOF/lib/libhvcall/rfill.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/lib/libhvcall/rfill.c b/qemu/roms/SLOF/lib/libhvcall/rfill.c new file mode 100644 index 000000000..5407cd2a6 --- /dev/null +++ b/qemu/roms/SLOF/lib/libhvcall/rfill.c @@ -0,0 +1,38 @@ +/***************************************************************************** + * Fast function for filling cache-inhibited memory regions via h-call. + * + * Copyright 2015 Red Hat, Inc. + * + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Contributors: + * Thomas Huth, Red Hat Inc. - initial implementation + *****************************************************************************/ + +#include <cache.h> +#include <string.h> + +typedef unsigned long type_u; + +/** + * fast_rfill is the implementation of the FAST_RFILL macro with h-calls. + * This is defined here instead of cache.h since we need a temporary + * local buffer - and that caused stack size problems in engine() when + * we used it directly in the FAST_RFILL macro. + */ +void fast_rfill(char *dst, long size, char pat) +{ + type_u buf[64]; + + memset(buf, pat, size < sizeof(buf) ? size : sizeof(buf)); + + while (size > sizeof(buf)) { + FAST_MRMOVE(buf, dst, sizeof(buf)); + dst += sizeof(buf); + size -= sizeof(buf); + } + FAST_MRMOVE(buf, dst, size); +} |