[xen staging] xen/dt: Add BOOTMOD_MICROCODE

[patchbot@xxxxxxx]

commit efe0870d4a00321feda2f2d8d51045b460d41549
Author:     Alejandro Vallejo <agarciav@xxxxxxx>
AuthorDate: Wed Jun 11 11:08:28 2025 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Jun 11 11:08:28 2025 +0200

    xen/dt: Add BOOTMOD_MICROCODE
    
    In preparation for x86 to start using bootmodule instead of boot_module
    
    Signed-off-by: Alejandro Vallejo <agarciav@xxxxxxx>
    Reviewed-by: Michal Orzel <michal.orzel@xxxxxxx>
---
 xen/common/device-tree/bootfdt.c  | 2 ++
 xen/common/device-tree/bootinfo.c | 1 +
 xen/include/xen/bootfdt.h         | 1 +
 3 files changed, 4 insertions(+)

diff --git a/xen/common/device-tree/bootfdt.c b/xen/common/device-tree/bootfdt.c
index 9df80291b1..9daea06e57 100644
--- a/xen/common/device-tree/bootfdt.c
+++ b/xen/common/device-tree/bootfdt.c
@@ -351,6 +351,8 @@ static void __init process_multiboot_node(const void *fdt, 
int node,
         kind = BOOTMOD_XSM;
     else if ( fdt_node_check_compatible(fdt, node, "multiboot,device-tree") == 
0 )
         kind = BOOTMOD_GUEST_DTB;
+    else if ( fdt_node_check_compatible(fdt, node, "multiboot,microcode") == 0 
)
+        kind = BOOTMOD_MICROCODE;
     else
         kind = BOOTMOD_UNKNOWN;
 
diff --git a/xen/common/device-tree/bootinfo.c 
b/xen/common/device-tree/bootinfo.c
index 76d652c0de..717cfa0962 100644
--- a/xen/common/device-tree/bootinfo.c
+++ b/xen/common/device-tree/bootinfo.c
@@ -31,6 +31,7 @@ const char * __init 
boot_module_kind_as_string(bootmodule_kind kind)
     case BOOTMOD_RAMDISK: return "Ramdisk";
     case BOOTMOD_XSM:     return "XSM";
     case BOOTMOD_GUEST_DTB:     return "DTB";
+    case BOOTMOD_MICROCODE:     return "Microcode";
     case BOOTMOD_UNKNOWN: return "Unknown";
     default: BUG();
     }
diff --git a/xen/include/xen/bootfdt.h b/xen/include/xen/bootfdt.h
index 64db48f4fe..ff40f3078e 100644
--- a/xen/include/xen/bootfdt.h
+++ b/xen/include/xen/bootfdt.h
@@ -21,6 +21,7 @@ typedef enum {
     BOOTMOD_RAMDISK,
     BOOTMOD_XSM,
     BOOTMOD_GUEST_DTB,
+    BOOTMOD_MICROCODE,
     BOOTMOD_UNKNOWN
 }  bootmodule_kind;
 
--
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