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, 84 insertions, 0 deletions

diff --git a/src/bootloader/bootloader.C b/src/bootloader/bootloader.C
new file mode 100644
index 000000000..462217d76
--- /dev/null
+++ b/src/bootloader/bootloader.C
@@ -0,0 +1,84 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/bootloader/bootloader.C $                                 */
+/*                                                                        */
+/* OpenPOWER HostBoot Project                                             */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2015,2016                        */
+/* [+] 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                                                     */
+#include <stdint.h>
+#include <bootloader/bootloader.H>
+#include <util/singleton.H>
+#include <kernel/cpu.H>
+
+#include <kernel/intmsghandler.H> // @TODO RTC:133821 might not be needed long-term
+
+#include <usr/pnor/ecc.H>
+
+#include <stdlib.h>
+
+extern uint64_t kernel_other_thread_spinlock;
+extern uint32_t data_sandbox[16]; // @TODO RTC:133821 temporary bringup
+
+namespace Bootloader{
+    extern "C"
+    int main()
+    {
+        // cppBootstrap(); @TODO RTC:133821 might not be needed long-term
+        // cv_blScratchSpace = ??? @TODO RTC:133821
+
+        // @TODO RTC:134064 Get location of HB base code in PNOR from TOC
+
+        // @TODO RTC:133821 Copy HB base code from PNOR to 0x200000
+
+        // Remove ECC from HB base code at 0x200000 and store result at 0x300000
+        PNOR::ECC::eccStatus rc = PNOR::ECC::CLEAN;
+//        PNOR::ECC::removeECC(reinterpret_cast<uint8_t*>(0x200000),
+//                             reinterpret_cast<uint8_t*>(0x300000),
+//                             0x100000); // @TODO RTC:133821 determine size
+
+        if (rc != PNOR::ECC::UNCORRECTABLE)
+        {
+//        memcpy(reinterpret_cast<void*>(0x300000),
+//               reinterpret_cast<void*>(0),
+//               0x100000); // @TODO RTC:133821 determine size // replace with asm cache inhibited instructions
+        }
+
+        // Ready to let the other CPUs go. @TODO RTC:133821 actually need to start relocated HB base code
+        lwsync();
+        kernel_other_thread_spinlock = 1;
+
+        data_sandbox[8] = 0x12345678; // @TODO RTC:133821 temporary bringup
+
+        MAGIC_INSTRUCTION(MAGIC_BREAK); // @TODO RTC:133821 temporary bringup
+
+        while(1); // @TODO
+        task_end_stub(); // @TODO
+        return 0;
+    }
+
+    void handleMMIO(uint64_t i_srcAddr,
+                    uint64_t i_destAddr,
+                    uint32_t i_size,
+                    MMIOLoadStoreSizes i_ld_st_size)
+    {
+        // @TODO RTC:133821
+    }
+} // end namespace Bootloader
+