Searched refs:bios_start (Results 1 - 3 of 3) sorted by relevance

/linux-master/arch/x86/kernel/
H A Debda.c58 unsigned int bios_start, ebda_start; local
74 bios_start = *(unsigned short *)__va(BIOS_RAM_SIZE_KB_PTR);
75 bios_start <<= 10;
78 * If bios_start is less than 128K, assume it is bogus
79 * and bump it up to 640K. Similarly, if bios_start is above 640K,
82 if (bios_start < BIOS_START_MIN || bios_start > BIOS_START_MAX)
83 bios_start = BIOS_START_MAX;
93 if (ebda_start >= BIOS_START_MIN && ebda_start < bios_start)
94 bios_start
[all...]
/linux-master/arch/x86/boot/compressed/
H A Dpgtable_64.c36 unsigned long bios_start = 0, ebda_start = 0; local
56 bios_start = *(unsigned short *)0x413 << 10;
59 if (bios_start < BIOS_START_MIN || bios_start > BIOS_START_MAX)
60 bios_start = BIOS_START_MAX;
62 if (ebda_start > BIOS_START_MIN && ebda_start < bios_start)
63 bios_start = ebda_start;
65 bios_start = round_down(bios_start, PAGE_SIZE);
67 /* Find the first usable memory region under bios_start
[all...]
/linux-master/arch/x86/pci/
H A Dirq.c173 u8 * const bios_start = (u8 *)__va(0xf0000); local
185 for (addr = bios_start;
192 for (addr = bios_start;

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