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Re: [PATCH v9 3/6] x86/boot: add start and size fields to struct boot_module
- To: "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jason Andryuk <jason.andryuk@xxxxxxx>
- Date: Fri, 15 Nov 2024 12:31:36 -0500
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- Cc: <christopher.w.clark@xxxxxxxxx>, <stefano.stabellini@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Fri, 15 Nov 2024 17:43:21 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 2024-11-15 08:12, Daniel P. Smith wrote:
Introduce the start and size fields to struct boot_module and
assigns their value during boot_info construction. All uses of module_t to get
the address and size of a module are replaced with start and size.
The EFI entry point is a special case, as the EFI file loading boot service may
load a file beyond the 4G barrier. As a result, to make the address fit in the
32bit integer used by the MB1 module_t structure, the frame number is stored in
mod_start and size in mod_end. Until the EFI entry point is enlightened to work
with boot_info and boot_module, multiboot_fill_boot_info will handle the
alternate values in mod_start and mod_end when EFI is detected.
A result of the switch to start/size removes all uses of the mod field in
struct boot_modules, along with the uses of bootstra_map() and release_module()
bootstrap_map()
functions. With all usage gone, they all are dropped here.
Signed-off-by: Daniel P. Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>
with that:
Reviewed-by: Jason Andryuk <jason.andryuk@xxxxxxx>
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