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u-boot/lib
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Alexander Graf 7b78d6438a efi_loader: Reserve unaccessible memory 
On some systems, not all RAM may be usable within U-Boot. Maybe the
memory maps are incomplete, maybe it's used as workaround for broken
DMA. But whatever the reason may be, a platform can say that it does
not wish to have its RAM accessed above a certain address by defining
board_get_usable_ram_top().

In the efi_loader world, we ignored that hint, mostly because very few
boards actually have real restrictions around this.

So let's honor the board's wish to not access high addresses during
boot time. The best way to do so is by indicating the respective pages
as "allocated by firmware". That way, Operating Systems will still
use the pages after boot, but before boot no allocation will use them.

Reported-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Tested-by: Baruch Siach <baruch@tkos.co.il>
2018-12-02 21:59:37 +01:00
..
at91 SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bzip2 SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
dhry SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
efi efi_loader: typedef struct efi_object *efi_handle_t 2018-12-02 21:59:36 +01:00
efi_driver blk: Call part_init() in the post_probe() method 2018-11-14 09:16:27 -08:00
efi_loader efi_loader: Reserve unaccessible memory 2018-12-02 21:59:37 +01:00
efi_selftest efi_selftest: incorrect use of bitwise or 2018-12-02 21:59:37 +01:00
libavb libavb: Handle wrong hashtree_error_mode in avb_append_options() 2018-08-24 13:19:53 -04:00
libfdt fdt_region: Ensure that depth never goes below -1 2018-11-16 16:52:01 -05:00
lzma SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
lzo SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
optee optee: adjust dependencies and default values for dram 2018-10-22 14:37:28 +02:00
rsa rsa: Fix LibreSSL before v2.7.0 2018-08-13 14:03:57 -04:00
tizen SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
zlib SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
addr_map.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
aes.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
asm-offsets.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bch.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bitrev.c lib: bitrev: Sync with Linux kernel v4.17 2018-09-18 00:01:18 -06:00
charset.c efi_loader: error handling in read_console() 2018-10-16 16:39:19 +02:00
circbuf.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
crc7.c lib: add crc7 from Linux 2011-01-18 23:38:08 +01:00
crc8.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
crc16.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
crc32.c lib: crc32: mark function crc32() as __efi_runtime 2018-08-20 14:42:36 +02:00
crc32c.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
ctype.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
display_options.c Remove <inttypes.h> includes and PRI* usages in printf() entirely 2018-09-10 20:48:17 -04:00
div64.c lib: div64: sync with Linux 2017-04-13 09:41:10 -04:00
errno.c Add basic errno support. 2010-09-19 19:29:47 +02:00
errno_str.c lib: errno: introduce errno_str(): returns errno related message 2014-12-11 13:18:41 -07:00
fdtdec.c fdt: Fix uncompress_blob() for U-Boot proper 2018-11-20 19:14:22 -07:00
fdtdec_common.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
fdtdec_test.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
gunzip.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
gzip.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
hang.c serial: Allow serial to be absent in TPL 2018-10-09 04:40:27 -06:00
hashtable.c hashtable: Fix length calculation in hexport_r 2018-07-24 09:25:23 -04:00
hexdump.c lib: Add hexdump 2018-06-13 07:49:12 -04:00
image-sparse.c mmc: Separate "mmc swrite" from fastboot 2018-05-30 11:59:21 +02:00
initcall.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
Kconfig spl: lz4: Allow use of lz4 compression in SPL 2018-11-20 19:14:22 -07:00
ldiv.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
linux_compat.c Make kmalloc'ed memory really DMA-safe 2018-08-31 11:59:44 -04:00
linux_string.c Make linux kernel string funcs available to tools 2012-12-13 11:46:07 -07:00
list_sort.c kbuild: force to define __UBOOT__ in all the C sources 2014-09-16 12:23:56 -04:00
lmb.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
lz4.c SPDX: Convert a few files that were missed before 2018-05-10 20:38:35 -04:00
lz4_wrapper.c SPDX: Convert all of our multiple license tags to Linux Kernel style 2018-05-07 10:24:31 -04:00
Makefile efi_selftest: simplify lib/efi_selftest/Makefile 2018-12-02 21:59:36 +01:00
md5.c GCC47: Fix warning in md5.c 2012-04-29 14:14:08 +02:00
membuff.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
net_utils.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
of_live.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
panic.c Consolidate __assert_failed into one implementation 2018-04-28 18:32:23 -04:00
physmem.c lib/physmem.c: Switch to __weak for arch_phys_memset 2016-04-01 17:17:43 -04:00
qsort.c Include common.h in qsort.c to fix build warning 2011-12-07 08:39:54 +01:00
rand.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
rbtree.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
rc4.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
sha1.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
sha256.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
slre.c lib/slre: remove superfluous assignment 2018-09-05 16:02:34 -04:00
smbios.c sandbox: smbios: Update to support sandbox 2018-12-02 21:59:37 +01:00
string.c string: Include the config header 2018-11-20 19:14:22 -07:00
strmhz.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
strto.c lib: strto: fix metric suffix parsing in strtoul[l] 2018-09-20 20:11:01 +05:30
tables_csum.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
time.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
tiny-printf.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
tpm-common.c tpm: Convert to use a device parameter 2018-11-29 09:30:06 -07:00
tpm-utils.h tpm: Convert to use a device parameter 2018-11-29 09:30:06 -07:00
tpm-v1.c tpm: Convert to use a device parameter 2018-11-29 09:30:06 -07:00
tpm-v2.c tpm: Convert to use a device parameter 2018-11-29 09:30:06 -07:00
trace.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
uuid.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
vsprintf.c lib: vsprintf: correct printing of Unicode strings 2018-09-23 21:55:29 +02:00