[PATCH v5 04/44] x86/boot: move mmap info to boot info

[Daniel P. Smith]

Transition the memory map info to be held in struct boot_info.

No functional change intended.

Signed-off-by: Daniel P. Smith <dpsm...@apertussolutions.com>
---
 xen/arch/x86/include/asm/bootinfo.h |  5 +++++
 xen/arch/x86/setup.c                | 12 +++++++++---
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/xen/arch/x86/include/asm/bootinfo.h 
b/xen/arch/x86/include/asm/bootinfo.h
index 327038465a44..87d311ac1399 100644
--- a/xen/arch/x86/include/asm/bootinfo.h
+++ b/xen/arch/x86/include/asm/bootinfo.h
@@ -8,6 +8,8 @@
 #ifndef __XEN_X86_BOOTINFO_H__
 #define __XEN_X86_BOOTINFO_H__
 
+#include <xen/types.h>
+
 /*
  * Xen internal representation of information provided by the
  * bootloader/environment, or derived from the information.
@@ -17,6 +19,9 @@ struct boot_info {
 
     const char *loader;
     const char *cmdline;
+
+    paddr_t memmap_addr;
+    size_t memmap_length;
 };
 
 #endif /* __XEN_X86_BOOTINFO_H__ */
diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index 0921f296075f..f0482ca8cc55 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -296,6 +296,12 @@ static struct boot_info __init 
*multiboot_fill_boot_info(unsigned long mbi_p)
     else
         bi->cmdline = "";
 
+    if ( mbi->flags & MBI_MEMMAP )
+    {
+        bi->memmap_addr = mbi->mmap_addr;
+        bi->memmap_length = mbi->mmap_length;
+    }
+
     return bi;
 }
 
@@ -1185,13 +1191,13 @@ void asmlinkage __init noreturn __start_xen(unsigned 
long mbi_p)
     {
         memmap_type = "Xen-e820";
     }
-    else if ( mbi->flags & MBI_MEMMAP )
+    else if ( bi->memmap_addr )
     {
         memmap_type = "Multiboot-e820";
-        while ( bytes < mbi->mmap_length &&
+        while ( bytes < bi->memmap_length &&
                 e820_raw.nr_map < ARRAY_SIZE(e820_raw.map) )
         {
-            memory_map_t *map = __va(mbi->mmap_addr + bytes);
+            memory_map_t *map = __va(bi->memmap_addr + bytes);
 
             /*
              * This is a gross workaround for a BIOS bug. Some bootloaders do
-- 
2.30.2