c109fc92ff
sysinfo contains both CBMEM_ID_MEMINFO and CBMEM_ID_MEM_CHIP. This new function allows to easily retrieve the amount of memory the system has based on the mentioned CBMEM entries structures. BUG=b:450374306 TEST=Checked on Google/Brya/Omnigul (x86) - MEMINFO TEST=Checked on Google/Rauru/Navi (ARM64) - MEM_CHIP Change-Id: Iaf69c54dfb3d2eaffbccacee8bee3be425b78a3f Signed-off-by: Jakub Czapiga <czapiga@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/90430 Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
/*
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*
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* Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <libpayload.h>
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#include <sysinfo.h>
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int sysinfo_have_multiboot(unsigned long *addr)
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{
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*addr = (unsigned long) lib_sysinfo.mbtable;
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return (lib_sysinfo.mbtable == 0) ? 0 : 1;
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}
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size_t sysinfo_get_physical_memory_size_mib(void)
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{
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const struct mem_chip_info *mc = phys_to_virt(lib_sysinfo.mem_chip_base);
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if (mc)
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return mem_chip_info_total_density_bytes(mc) / MiB;
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#if CONFIG(LP_GPL)
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const struct memory_info *memory_info = phys_to_virt(lib_sysinfo.memory_info);
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size_t memory_size_mib = 0;
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if (memory_info) {
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for (int i = 0; i < memory_info->dimm_cnt; ++i)
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memory_size_mib += memory_info->dimm[i].dimm_size;
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return memory_size_mib;
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}
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#endif
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return 0;
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}
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