linux, efi, arm*, fdt: Break FDT extra allocation space out into a #define
A certain amount of dynamic space is required for the handover from GRUB/Linux-EFI-stub. This entails things like initrd addresses, address-cells entries and associated strings. But move this into a proper centralised #define rather than live-code it in the loader. Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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2 changed files with 4 additions and 1 deletions
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@ -73,7 +73,7 @@ finalize_params_linux (void)
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void *fdt;
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fdt = grub_fdt_load (0x400);
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fdt = grub_fdt_load (GRUB_EFI_LINUX_FDT_EXTRA_SPACE);
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if (!fdt)
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goto failure;
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@ -22,6 +22,9 @@
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#include <grub/types.h>
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#include <grub/symbol.h>
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/* Space required when preparing the /chosen node after boot has been called. */
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#define GRUB_EFI_LINUX_FDT_EXTRA_SPACE 0x400
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#define FDT_MAGIC 0xD00DFEED
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typedef struct {
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