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Searched refs:bios_start (Results 1 – 2 of 2) sorted by relevance

/Linux-v5.10/arch/x86/kernel/
Debda.c58 unsigned int bios_start, ebda_start; in reserve_bios_regions() local
74 bios_start = *(unsigned short *)__va(BIOS_RAM_SIZE_KB_PTR); in reserve_bios_regions()
75 bios_start <<= 10; in reserve_bios_regions()
82 if (bios_start < BIOS_START_MIN || bios_start > BIOS_START_MAX) in reserve_bios_regions()
83 bios_start = BIOS_START_MAX; in reserve_bios_regions()
93 if (ebda_start >= BIOS_START_MIN && ebda_start < bios_start) in reserve_bios_regions()
94 bios_start = ebda_start; in reserve_bios_regions()
97 memblock_reserve(bios_start, 0x100000 - bios_start); in reserve_bios_regions()
/Linux-v5.10/arch/x86/boot/compressed/
Dpgtable_64.c40 unsigned long bios_start = 0, ebda_start = 0; in find_trampoline_placement() local
60 bios_start = *(unsigned short *)0x413 << 10; in find_trampoline_placement()
63 if (bios_start < BIOS_START_MIN || bios_start > BIOS_START_MAX) in find_trampoline_placement()
64 bios_start = BIOS_START_MAX; in find_trampoline_placement()
66 if (ebda_start > BIOS_START_MIN && ebda_start < bios_start) in find_trampoline_placement()
67 bios_start = ebda_start; in find_trampoline_placement()
69 bios_start = round_down(bios_start, PAGE_SIZE); in find_trampoline_placement()
73 unsigned long new = bios_start; in find_trampoline_placement()
78 if (bios_start <= entry->addr) in find_trampoline_placement()
86 if (bios_start > entry->addr + entry->size) in find_trampoline_placement()
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