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 <s...@chromium.org>
---
Changes in v8: None
Changes in v7: None
Changes in v6: None
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None
arch/sandbox/cpu/os.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c
index a1a982af2d..1553aa687d 100644
--- a/arch/sandbox/cpu/os.c
+++ b/arch/sandbox/cpu/os.c
@@ -145,7 +145,12 @@ 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, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
if (hdr == MAP_FAILED)
return NULL;
--
2.18.0.rc1.244.gcf134e6275-goog
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