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949163015c
The kernel does not support the MCA bus anymroe, so mark sys_desc_table as obsolete: remove any reference from the code together with the remaining of MCA logic. bloat-o-meter output: add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-55 (-55) function old new delta i386_start_kernel 128 119 -9 setup_arch 1421 1375 -46 Signed-off-by: Paolo Pisati <p.pisati@gmail.com> Cc: Josh Triplett <josh@joshtriplett.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1437409430-8491-1-git-send-email-p.pisati@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
39 lines
1.7 KiB
Plaintext
39 lines
1.7 KiB
Plaintext
The additional fields in struct boot_params as a part of 32-bit boot
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protocol of kernel. These should be filled by bootloader or 16-bit
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real-mode setup code of the kernel. References/settings to it mainly
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are in:
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arch/x86/include/uapi/asm/bootparam.h
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Offset Proto Name Meaning
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/Size
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000/040 ALL screen_info Text mode or frame buffer information
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(struct screen_info)
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040/014 ALL apm_bios_info APM BIOS information (struct apm_bios_info)
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058/008 ALL tboot_addr Physical address of tboot shared page
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060/010 ALL ist_info Intel SpeedStep (IST) BIOS support information
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(struct ist_info)
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080/010 ALL hd0_info hd0 disk parameter, OBSOLETE!!
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090/010 ALL hd1_info hd1 disk parameter, OBSOLETE!!
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0A0/010 ALL sys_desc_table System description table (struct sys_desc_table),
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OBSOLETE!!
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0B0/010 ALL olpc_ofw_header OLPC's OpenFirmware CIF and friends
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0C0/004 ALL ext_ramdisk_image ramdisk_image high 32bits
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0C4/004 ALL ext_ramdisk_size ramdisk_size high 32bits
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0C8/004 ALL ext_cmd_line_ptr cmd_line_ptr high 32bits
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140/080 ALL edid_info Video mode setup (struct edid_info)
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1C0/020 ALL efi_info EFI 32 information (struct efi_info)
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1E0/004 ALL alk_mem_k Alternative mem check, in KB
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1E4/004 ALL scratch Scratch field for the kernel setup code
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1E8/001 ALL e820_entries Number of entries in e820_map (below)
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1E9/001 ALL eddbuf_entries Number of entries in eddbuf (below)
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1EA/001 ALL edd_mbr_sig_buf_entries Number of entries in edd_mbr_sig_buffer
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(below)
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1EF/001 ALL sentinel Used to detect broken bootloaders
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290/040 ALL edd_mbr_sig_buffer EDD MBR signatures
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2D0/A00 ALL e820_map E820 memory map table
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(array of struct e820entry)
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D00/1EC ALL eddbuf EDD data (array of struct edd_info)
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