Author: markj
Date: Sat Sep 15 18:02:28 2018
New Revision: 338695
URL: https://svnweb.freebsd.org/changeset/base/338695
Log:
MFC r338538:
Exclude the EFI framebuffer from phys_avail[] on arm64.
PR: 231064
Modified:
stable/11/sys/arm64/arm64/machdep.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/arm64/arm64/machdep.c
==============================================================================
--- stable/11/sys/arm64/arm64/machdep.c Sat Sep 15 18:01:15 2018
(r338694)
+++ stable/11/sys/arm64/arm64/machdep.c Sat Sep 15 18:02:28 2018
(r338695)
@@ -885,6 +885,7 @@ cache_setup(void)
void
initarm(struct arm64_bootparams *abp)
{
+ struct efi_fb *efifb;
struct efi_map_header *efihdr;
struct pcpu *pcpup;
#ifdef FDT
@@ -930,6 +931,13 @@ initarm(struct arm64_bootparams *abp)
&physmap_idx);
}
#endif
+
+ /* Exclude the EFI framebuffer from our view of physical memory. */
+ efifb = (struct efi_fb *)preload_search_info(kmdp,
+ MODINFO_METADATA | MODINFOMD_EFI_FB);
+ if (efifb != NULL)
+ arm_physmem_exclude_region(efifb->fb_addr, efifb->fb_size,
+ EXFLAG_NOALLOC);
/* Print the memory map */
mem_len = 0;
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