From c883eed77ae2bec5aca2f678bfd7fe4642fa6d37 Mon Sep 17 00:00:00 2001 From: Ian Campbell Date: Thu, 26 Sep 2013 12:35:36 +0100 Subject: 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 Acked-by: Tim Deegan --- xen/include/xen/device_tree.h | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'xen/include') 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); -- cgit v1.2.3