how can grub get `code32_start` - kernelnewbies@kernelnewbies.org - Kernelnewbies Mailing Lists

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how can grub get `code32_start`

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孙建希

Nov. 26, 2014

6:53 a.m.

hello, x86 `protected_mode_jump` will use param `boot_params.hdr.code32_start`which bootloader should set. But how can grub get `code32_start`from kernel image?

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Paul Bolle

Nov. 26, 2014

7:38 a.m.

On Wed, 2014-11-26 at 14:53 +0800, 孙建希 wrote:

But how can grub get `code32_start` from kernel image?

By parsing the kernel image. Documented in great detail in Documentation/x86/boot.txt. Paul Bolle

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Paul Bolle
孙建希