[xen staging] x86/boot: add cmdline_pa to struct boot_module

[patchbot@xxxxxxx]

commit 75035c386eeb8bd5dbed1831dbb96a35b31521f6
Author:     Daniel P. Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>
AuthorDate: Sat Nov 2 13:25:46 2024 -0400
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Thu Nov 7 17:51:31 2024 +0000

    x86/boot: add cmdline_pa to struct boot_module
    
    Add an address field, cmdline_pa, to struct boot_module to hold the address 
of
    the string field from struct mod.
    
    Signed-off-by: Daniel P. Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>
    Reviewed-by: Jason Andryuk <jason.andryuk@xxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/include/asm/bootinfo.h | 2 ++
 xen/arch/x86/setup.c                | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/xen/arch/x86/include/asm/bootinfo.h 
b/xen/arch/x86/include/asm/bootinfo.h
index d1508e7ad7..cc63056306 100644
--- a/xen/arch/x86/include/asm/bootinfo.h
+++ b/xen/arch/x86/include/asm/bootinfo.h
@@ -57,6 +57,8 @@ struct boot_module {
      *   +-----------------------------------------+
      */
     unsigned long headroom;
+
+    paddr_t cmdline_pa;
 };
 
 /*
diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index b4c17a1411..eac8488c4c 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -312,8 +312,12 @@ static struct boot_info *__init multiboot_fill_boot_info(
      * reserved for Xen.
      */
     for ( i = 0; i < MAX_NR_BOOTMODS && i < bi->nr_modules; i++ )
+    {
         bi->mods[i].mod = &mods[i];
 
+        bi->mods[i].cmdline_pa = mods[i].string;
+    }
+
     /* Variable 'i' should be one entry past the last module. */
     bi->mods[i].mod = &mods[bi->nr_modules];
     bi->mods[i].type = BOOTMOD_XEN;
--
generated by git-patchbot for /home/xen/git/xen.git#staging