a73b93157f
It encourages users from writing to the FSF without giving an address. Linux also prefers to drop that and their checkpatch.pl (that we imported) looks out for that. This is the result of util/scripts/no-fsf-addresses.sh with no further editing. Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/11888 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <stdlib.h>
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#include <console/console.h>
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#include <cbmem.h>
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#include <arch/acpi.h>
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#if IS_ENABLED(CONFIG_LATE_CBMEM_INIT)
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#if !defined(__PRE_RAM__)
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void __attribute__((weak)) backup_top_of_ram(uint64_t ramtop)
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{
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/* Do nothing. Chipset may have implementation to save ramtop in NVRAM. */
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}
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static void *ramtop_pointer;
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void set_top_of_ram(uint64_t ramtop)
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{
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backup_top_of_ram(ramtop);
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ramtop_pointer = (void *)(uintptr_t)ramtop;
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}
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static inline void *saved_ramtop(void)
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{
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return ramtop_pointer;
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}
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#else
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static inline void *saved_ramtop(void)
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{
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return NULL;
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}
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#endif /* !__PRE_RAM__ */
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unsigned long __attribute__((weak)) get_top_of_ram(void)
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{
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return 0;
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}
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void *cbmem_top(void)
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{
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/* Top of cbmem is at lowest usable DRAM address below 4GiB. */
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void *ptr = saved_ramtop();
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if (ptr != NULL)
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return ptr;
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return (void *)get_top_of_ram();
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}
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#endif /* LATE_CBMEM_INIT */
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/* Something went wrong, our high memory area got wiped */
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void cbmem_fail_resume(void)
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{
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#if !defined(__PRE_RAM__) && IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
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/* ACPI resume needs to be cleared in the fail-to-recover case, but that
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* condition is only handled during ramstage. */
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acpi_fail_wakeup();
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#endif
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}
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