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| author | Ian Campbell <ian.campbell@citrix.com> | 2013-09-26 12:35:36 +0100 |
|---|---|---|
| committer | Ian Campbell <ian.campbell@citrix.com> | 2013-09-26 16:21:27 +0100 |
| commit | c883eed77ae2bec5aca2f678bfd7fe4642fa6d37 (patch) | |
| tree | 1ac716a10121f9936d37b7529241f4b03b9425ac /xen/include | |
| parent | 1fbb3b146c7b8a4e9ff4d29234931c57879b4ca8 (diff) | |
| download | xen-c883eed77ae2bec5aca2f678bfd7fe4642fa6d37.tar.gz xen-c883eed77ae2bec5aca2f678bfd7fe4642fa6d37.tar.bz2 xen-c883eed77ae2bec5aca2f678bfd7fe4642fa6d37.zip | |
xen/arm: Reserve FDT via early module mechanism
This will stop us putting any heaps or relocating Xen itself over the FDT.
The devicetree will be copied to allocated memory in setup_mm and the
original copy will be freed by discard_initial_modules.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Tim Deegan <tim@xen.org>
Diffstat (limited to 'xen/include')
| -rw-r--r-- | xen/include/xen/device_tree.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/xen/include/xen/device_tree.h b/xen/include/xen/device_tree.h index 7810f53b66..a665c9760e 100644 --- a/xen/include/xen/device_tree.h +++ b/xen/include/xen/device_tree.h @@ -20,12 +20,13 @@ #define NR_MEM_BANKS 8 -#define MOD_XEN 0 -#define MOD_KERNEL 1 -#define MOD_INITRD 2 -#define NR_MODULES 3 +#define MOD_XEN 0 +#define MOD_FDT 1 +#define MOD_KERNEL 2 +#define MOD_INITRD 3 +#define NR_MODULES 4 -#define MOD_DISCARD_FIRST MOD_KERNEL +#define MOD_DISCARD_FIRST MOD_FDT struct membank { paddr_t start; @@ -179,7 +180,7 @@ typedef int (*device_tree_node_func)(const void *fdt, extern struct dt_early_info early_info; extern const void *device_tree_flattened; -size_t __init device_tree_early_init(const void *fdt); +size_t __init device_tree_early_init(const void *fdt, paddr_t paddr); const char __init *device_tree_bootargs(const void *fdt); void __init device_tree_dump(const void *fdt); |