Fix the chain load memory alloc failure in UEFI mode.

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c

@@ -38,6 +38,7 @@
 #include <grub/memory.h>
 #ifdef GRUB_MACHINE_EFI
 #include <grub/efi/efi.h>
+#include <grub/efi/memory.h>
 #endif
 #include <grub/ventoy.h>
 #include "ventoy_def.h"
@@ -135,6 +136,22 @@ int ventoy_is_efi_os(void)
     return g_efi_os;
 }
 
+void * ventoy_alloc_chain(grub_size_t size)
+{
+    void *p = NULL;
+
+    p = grub_malloc(size);
+#ifdef GRUB_MACHINE_EFI
+    if (!p)
+    {
+        p = grub_efi_allocate_any_pages(GRUB_EFI_BYTES_TO_PAGES(size));
+    }
+#endif
+
+    return p;
+}
+
+
 static int ventoy_arch_mode_init(void)
 {
     #ifdef GRUB_MACHINE_EFI

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_def.h

@@ -1206,6 +1206,7 @@ grub_err_t ventoy_cmd_browser_dir(grub_extcmd_context_t ctxt, int argc, char **a
 grub_err_t ventoy_cmd_browser_disk(grub_extcmd_context_t ctxt, int argc, char **args);
 int ventoy_get_fs_type(const char *fs);
 int ventoy_img_name_valid(const char *filename, grub_size_t namelen);
+void * ventoy_alloc_chain(grub_size_t size);
 
 #endif /* __VENTOY_DEF_H__ */
 

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_linux.c

@@ -1623,10 +1623,10 @@ grub_err_t ventoy_cmd_linux_chain_data(grub_extcmd_context_t ctxt, int argc, cha
         }
     }
 
-    chain = grub_malloc(size);
+    chain = ventoy_alloc_chain(size);
     if (!chain)
     {
-        grub_printf("Failed to alloc chain memory size %u\n", size);
+        grub_printf("Failed to alloc chain linux memory size %u\n", size);
         grub_file_close(file);
         return 1;
     }

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_unix.c

@@ -1185,10 +1185,10 @@ grub_err_t ventoy_cmd_unix_chain_data(grub_extcmd_context_t ctxt, int argc, char
         }
     }
 
-    chain = grub_malloc(size);
+    chain = ventoy_alloc_chain(size);
     if (!chain)
     {
-        grub_printf("Failed to alloc chain memory size %u\n", size);
+        grub_printf("Failed to alloc chain unix memory size %u\n", size);
         grub_file_close(file);
         return 1;
     }

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_vhd.c

@@ -687,10 +687,10 @@ grub_err_t ventoy_cmd_raw_chain_data(grub_extcmd_context_t ctxt, int argc, char
         }
     }
 
-    chain = grub_malloc(size);
+    chain = ventoy_alloc_chain(size);
     if (!chain)
     {
-        grub_printf("Failed to alloc chain memory size %u\n", size);
+        grub_printf("Failed to alloc chain raw memory size %u\n", size);
         grub_file_close(file);
         return 1;
     }

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_windows.c

@@ -1896,10 +1896,10 @@ grub_err_t ventoy_cmd_windows_chain_data(grub_extcmd_context_t ctxt, int argc, c
         }
     }
 
-    chain = grub_malloc(size);
+    chain = ventoy_alloc_chain(size);
     if (!chain)
     {
-        grub_printf("Failed to alloc chain memory size %u\n", size);
+        grub_printf("Failed to alloc chain win1 memory size %u\n", size);
         grub_file_close(file);
         return 1;
     }
@@ -2129,10 +2129,10 @@ static grub_err_t ventoy_vlnk_wim_chain_data(grub_file_t wimfile)
         }
     }
 
-    chain = grub_malloc(size);
+    chain = ventoy_alloc_chain(size);
     if (!chain)
     {
-        grub_printf("Failed to alloc chain memory size %u\n", size);
+        grub_printf("Failed to alloc chain win2 memory size %u\n", size);
         grub_file_close(file);
         return 1;
     }
@@ -2294,10 +2294,10 @@ static grub_err_t ventoy_normal_wim_chain_data(grub_file_t wimfile)
         }
     }
 
-    chain = grub_malloc(size);
+    chain = ventoy_alloc_chain(size);
     if (!chain)
     {
-        grub_printf("Failed to alloc chain memory size %u\n", size);
+        grub_printf("Failed to alloc chain win3 memory size %u\n", size);
         grub_file_close(file);
         return 1;
     }