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| author | Simon Glass <sjg@chromium.org> | 2018-06-17 08:57:43 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2018-11-14 09:16:27 -0800 |
| commit | bd8b74551b64e740ca27510406d26bd82ae74c38 (patch) | |
| tree | b82a0800a5d638aa2f6a31f8c171e23ec3304a68 | |
| parent | 205dd5afe59db2a471b756fa04c30232fa29e5c6 (diff) | |
| download | u-boot-bd8b74551b64e740ca27510406d26bd82ae74c38.zip u-boot-bd8b74551b64e740ca27510406d26bd82ae74c38.tar.gz u-boot-bd8b74551b64e740ca27510406d26bd82ae74c38.tar.bz2 | |
sandbox: Try to start the RAM buffer at a particular address
Use a starting address of 256MB which should be available. This helps to
make sandbox RAM buffers pointers more recognisable.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | arch/sandbox/cpu/os.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c index 07e4647..325ded5 100644 --- a/arch/sandbox/cpu/os.c +++ b/arch/sandbox/cpu/os.c @@ -174,7 +174,12 @@ void *os_malloc(size_t length) struct os_mem_hdr *hdr; int page_size = getpagesize(); - hdr = mmap(NULL, length + page_size, + /* + * Use an address that is hopefully available to us so that pointers + * to this memory are fairly obvious. If we end up with a different + * address, that's fine too. + */ + hdr = mmap((void *)0x10000000, length + page_size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (hdr == MAP_FAILED) |