efi_loader: EFI_BLOCK_IO_PROTOCOL.Reset()
[oweals/u-boot.git] / lib / efi_loader / efi_smbios.c
index 932f7582ec619b062567b3e7051c2ebb4a0662d2..a81488495e27f7f205a06719ea3d25abc6a6dbe5 100644 (file)
@@ -7,7 +7,7 @@
 
 #include <common.h>
 #include <efi_loader.h>
-#include <inttypes.h>
+#include <mapmem.h>
 #include <smbios.h>
 
 static const efi_guid_t smbios_guid = SMBIOS_TABLE_GUID;
@@ -20,17 +20,19 @@ static const efi_guid_t smbios_guid = SMBIOS_TABLE_GUID;
 efi_status_t efi_smbios_register(void)
 {
        /* Map within the low 32 bits, to allow for 32bit SMBIOS tables */
-       u64 dmi = U32_MAX;
+       u64 dmi_addr = U32_MAX;
        efi_status_t ret;
+       void *dmi;
 
        /* Reserve 4kiB page for SMBIOS */
        ret = efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS,
-                                EFI_RUNTIME_SERVICES_DATA, 1, &dmi);
+                                EFI_RUNTIME_SERVICES_DATA, 1, &dmi_addr);
 
        if (ret != EFI_SUCCESS) {
                /* Could not find space in lowmem, use highmem instead */
                ret = efi_allocate_pages(EFI_ALLOCATE_ANY_PAGES,
-                                        EFI_RUNTIME_SERVICES_DATA, 1, &dmi);
+                                        EFI_RUNTIME_SERVICES_DATA, 1,
+                                        &dmi_addr);
 
                if (ret != EFI_SUCCESS)
                        return ret;
@@ -40,11 +42,14 @@ efi_status_t efi_smbios_register(void)
         * Generate SMBIOS tables - we know that efi_allocate_pages() returns
         * a 4k-aligned address, so it is safe to assume that
         * write_smbios_table() will write the table at that address.
+        *
+        * Note that on sandbox, efi_allocate_pages() unfortunately returns a
+        * pointer even though it uses a uint64_t type. Convert it.
         */
-       assert(!(dmi & 0xf));
-       write_smbios_table(dmi);
+       assert(!(dmi_addr & 0xf));
+       dmi = (void *)(uintptr_t)dmi_addr;
+       write_smbios_table(map_to_sysmem(dmi));
 
        /* And expose them to our EFI payload */
-       return efi_install_configuration_table(&smbios_guid,
-                                              (void *)(uintptr_t)dmi);
+       return efi_install_configuration_table(&smbios_guid, dmi);
 }