Hostboot Bootloader Infrastructure

New and changed code to provide bootloader infrastructure.
Changes to build bootloader and create the image file.

Change-Id: Ie400f0ca6954b86e275fd68c9462f8d18eeec98a
RTC:127211
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/22856
Tested-by: Jenkins Server
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

1 files changed, 92 insertions, 0 deletions

diff --git a/src/bootloader.ld b/src/bootloader.ld
new file mode 100644
index 000000000..0e2feae9f
--- /dev/null
+++ b/src/bootloader.ld
@@ -0,0 +1,92 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/bootloader.ld $                                           */
+/*                                                                        */
+/* OpenPOWER HostBoot Project                                             */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2015,2016                        */
+/* [+] Google Inc.                                                        */
+/* [+] International Business Machines Corp.                              */
+/*                                                                        */
+/*                                                                        */
+/* Licensed under the Apache License, Version 2.0 (the "License");        */
+/* you may not use this file except in compliance with the License.       */
+/* You may obtain a copy of the License at                                */
+/*                                                                        */
+/*     http://www.apache.org/licenses/LICENSE-2.0                         */
+/*                                                                        */
+/* Unless required by applicable law or agreed to in writing, software    */
+/* distributed under the License is distributed on an "AS IS" BASIS,      */
+/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or        */
+/* implied. See the License for the specific language governing           */
+/* permissions and limitations under the License.                         */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+base_load_address = 0x00000000;
+text_load_address = 0x00000020;
+
+SECTIONS
+{
+    . = base_load_address;
+
+    . = text_load_address;
+    .text ALIGN(0x0020): {
+        *(.text.intvects)
+        *(.text.bootloaderasm)
+        *(.text)
+        *(.text._*)
+        *(.text.*)
+    }
+
+    .rodata ALIGN(0x8): {
+        __minimum_data_start_addr = ALIGN(0x1000);
+        ctor_start_address = .;
+        *(.ctors)
+        *(.ctors.*)
+        ctor_end_address = .;
+        *(.rodata)
+        *(.rodata.*)
+        . = ALIGN(8);
+        toc_load_address = .;
+        *(.toc)
+        *(.opd)
+        *(.got)
+        *(.plt)
+        *(.data.rel.ro.*)
+        *(.data.*traceData_codeInfo*)
+
+        . = __minimum_data_start_addr > . ? __minimum_data_start_addr : .;
+    }
+
+    .data ALIGN(0x8): {
+        data_load_address = .;
+        *(.data)
+        *(.data.*)
+
+        *(.bss)
+        *(.bss.*)
+
+    }
+
+    end_load_address = .;
+
+    .rela : {
+        *(.rela.*)
+    }
+
+    .dynsym : { *(.dynsym) }
+    .dynstr : { *(.dynstr) }
+    .hash : { *(.hash) }
+    .gnu.hash : { *(.gnu.hash) }
+    .eh_frame : { *(.eh_frame) }
+
+    /DISCARD/ : {
+        *(.comment)
+        *(.gnu.attributes)
+        *(.dtors)
+        *(.interp)
+    }
+}
+
+