Re: [PATCH 08/27] Documentation: x86: convert zero-page.txt to reST

From: Mauro Carvalho Chehab
Date: Sat Apr 27 2019 - 13:20:06 EST


Em Fri, 26 Apr 2019 23:31:31 +0800
Changbin Du <changbin.du@xxxxxxxxx> escreveu:

> This converts the plain text documentation to reStructuredText format and
> add it to Sphinx TOC tree. No essential content change.
>
> Signed-off-by: Changbin Du <changbin.du@xxxxxxxxx>
> ---
> Documentation/x86/index.rst | 1 +
> Documentation/x86/zero-page.rst | 45 +++++++++++++++++++++++++++++++++
> Documentation/x86/zero-page.txt | 40 -----------------------------
> 3 files changed, 46 insertions(+), 40 deletions(-)
> create mode 100644 Documentation/x86/zero-page.rst
> delete mode 100644 Documentation/x86/zero-page.txt
>
> diff --git a/Documentation/x86/index.rst b/Documentation/x86/index.rst
> index 7b8388ebd43d..9a0b5f38ef6b 100644
> --- a/Documentation/x86/index.rst
> +++ b/Documentation/x86/index.rst
> @@ -14,3 +14,4 @@ Linux x86 Support
> kernel-stacks
> entry_64
> earlyprintk
> + zero-page
> diff --git a/Documentation/x86/zero-page.rst b/Documentation/x86/zero-page.rst
> new file mode 100644
> index 000000000000..70f10eabca86
> --- /dev/null
> +++ b/Documentation/x86/zero-page.rst
> @@ -0,0 +1,45 @@
> +.. SPDX-License-Identifier: GPL-2.0
> +
> +=========
> +Zero Page
> +=========
> +The additional fields in struct boot_params as a part of 32-bit boot
> +protocol of kernel. These should be filled by bootloader or 16-bit
> +real-mode setup code of the kernel. References/settings to it mainly
> +are in::
> +
> + arch/x86/include/uapi/asm/bootparam.h
> +
> +=========== ===== ======================= ================================

Same comment that I made on a past patch: please extend the tail markup here...

> +Offset/Size Proto Name Meaning
> +
> +000/040 ALL screen_info Text mode or frame buffer information
> + (struct screen_info)
> +040/014 ALL apm_bios_info APM BIOS information (struct apm_bios_info)
> +058/008 ALL tboot_addr Physical address of tboot shared page
> +060/010 ALL ist_info Intel SpeedStep (IST) BIOS support information
> + (struct ist_info)
> +080/010 ALL hd0_info hd0 disk parameter, OBSOLETE!!
> +090/010 ALL hd1_info hd1 disk parameter, OBSOLETE!!
> +0A0/010 ALL sys_desc_table System description table (struct sys_desc_table),
> + OBSOLETE!!
> +0B0/010 ALL olpc_ofw_header OLPC's OpenFirmware CIF and friends
> +0C0/004 ALL ext_ramdisk_image ramdisk_image high 32bits
> +0C4/004 ALL ext_ramdisk_size ramdisk_size high 32bits
> +0C8/004 ALL ext_cmd_line_ptr cmd_line_ptr high 32bits
> +140/080 ALL edid_info Video mode setup (struct edid_info)
> +1C0/020 ALL efi_info EFI 32 information (struct efi_info)
> +1E0/004 ALL alt_mem_k Alternative mem check, in KB
> +1E4/004 ALL scratch Scratch field for the kernel setup code
> +1E8/001 ALL e820_entries Number of entries in e820_table (below)
> +1E9/001 ALL eddbuf_entries Number of entries in eddbuf (below)
> +1EA/001 ALL edd_mbr_sig_buf_entries Number of entries in edd_mbr_sig_buffer
> + (below)
> +1EB/001 ALL kbd_status Numlock is enabled
> +1EC/001 ALL secure_boot Secure boot is enabled in the firmware
> +1EF/001 ALL sentinel Used to detect broken bootloaders
> +290/040 ALL edd_mbr_sig_buffer EDD MBR signatures
> +2D0/A00 ALL e820_table E820 memory map table
> + (array of struct e820_entry)
> +D00/1EC ALL eddbuf EDD data (array of struct edd_info)
> +=========== ===== ======================= ================================

... and here.

After this change:

Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>

> diff --git a/Documentation/x86/zero-page.txt b/Documentation/x86/zero-page.txt
> deleted file mode 100644
> index 68aed077f7b6..000000000000
> --- a/Documentation/x86/zero-page.txt
> +++ /dev/null
> @@ -1,40 +0,0 @@
> -The additional fields in struct boot_params as a part of 32-bit boot
> -protocol of kernel. These should be filled by bootloader or 16-bit
> -real-mode setup code of the kernel. References/settings to it mainly
> -are in:
> -
> - arch/x86/include/uapi/asm/bootparam.h
> -
> -
> -Offset Proto Name Meaning
> -/Size
> -
> -000/040 ALL screen_info Text mode or frame buffer information
> - (struct screen_info)
> -040/014 ALL apm_bios_info APM BIOS information (struct apm_bios_info)
> -058/008 ALL tboot_addr Physical address of tboot shared page
> -060/010 ALL ist_info Intel SpeedStep (IST) BIOS support information
> - (struct ist_info)
> -080/010 ALL hd0_info hd0 disk parameter, OBSOLETE!!
> -090/010 ALL hd1_info hd1 disk parameter, OBSOLETE!!
> -0A0/010 ALL sys_desc_table System description table (struct sys_desc_table),
> - OBSOLETE!!
> -0B0/010 ALL olpc_ofw_header OLPC's OpenFirmware CIF and friends
> -0C0/004 ALL ext_ramdisk_image ramdisk_image high 32bits
> -0C4/004 ALL ext_ramdisk_size ramdisk_size high 32bits
> -0C8/004 ALL ext_cmd_line_ptr cmd_line_ptr high 32bits
> -140/080 ALL edid_info Video mode setup (struct edid_info)
> -1C0/020 ALL efi_info EFI 32 information (struct efi_info)
> -1E0/004 ALL alt_mem_k Alternative mem check, in KB
> -1E4/004 ALL scratch Scratch field for the kernel setup code
> -1E8/001 ALL e820_entries Number of entries in e820_table (below)
> -1E9/001 ALL eddbuf_entries Number of entries in eddbuf (below)
> -1EA/001 ALL edd_mbr_sig_buf_entries Number of entries in edd_mbr_sig_buffer
> - (below)
> -1EB/001 ALL kbd_status Numlock is enabled
> -1EC/001 ALL secure_boot Secure boot is enabled in the firmware
> -1EF/001 ALL sentinel Used to detect broken bootloaders
> -290/040 ALL edd_mbr_sig_buffer EDD MBR signatures
> -2D0/A00 ALL e820_table E820 memory map table
> - (array of struct e820_entry)
> -D00/1EC ALL eddbuf EDD data (array of struct edd_info)



Thanks,
Mauro