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Smbios: add comments about UEFI systems [ci skip]

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李通洲 2025-02-16 23:25:16 +08:00
parent 9018fda92e
commit e79b561f2a
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1 changed files with 3 additions and 0 deletions
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src/util/smbiosHelper.c
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@ -236,6 +236,9 @@ const FFSmbiosHeaderTable* ffGetSmbiosHeaderTable()
FF_AUTO_CLOSE_FD int fd = open("/dev/misc/mem", O_RDONLY);
if (fd < 0)
return NULL;
// Works on legacy BIOS only
// See: https://wiki.osdev.org/System_Management_BIOS#UEFI_systems
FF_AUTO_FREE uint8_t* smBiosBase = malloc(0x10000);
if (pread(fd, smBiosBase, 0x10000, 0xF0000) != 0x10000)
return NULL;