Wrap exp_draminit in a extern "C" to workaround name mangling

Without this hostboot was unable to find the symbols and compile.

Change-Id: I2e93c995dc04691c9206b400a8c60b25bf502ec3
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/74851
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: ANDRE A. MARIN <aamarin@us.ibm.com>
Reviewed-by: STEPHEN GLANCY <sglancy@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/74858
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>

1 files changed, 35 insertions, 32 deletions

diff --git a/src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_draminit.C b/src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_draminit.C
index 17643e5fc..e022ad49b 100644
--- a/src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_draminit.C
+++ b/src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_draminit.C
@@ -38,43 +38,46 @@
 #include <lib/exp_draminit_utils.H>
 #include <lib/shared/exp_consts.H>
 
-///
-/// @brief Initializes DRAM
-/// @param[in] i_target the controller
-/// @return FAPI2_RC_SUCCESS if ok
-///
-fapi2::ReturnCode exp_draminit(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target)
+extern "C"
 {
-    uint32_t l_crc = 0;
+    ///
+    /// @brief Initializes DRAM
+    /// @param[in] i_target the controller
+    /// @return FAPI2_RC_SUCCESS if ok
+    ///
+    fapi2::ReturnCode exp_draminit(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target)
+    {
+        uint32_t l_crc = 0;
 
-    user_input_msdg l_phy_params;
-    FAPI_TRY(mss::exp::setup_phy_params(i_target, l_phy_params),
-             "Failed setup_phy_params() for %s", mss::c_str(i_target));
+        user_input_msdg l_phy_params;
+        FAPI_TRY(mss::exp::setup_phy_params(i_target, l_phy_params),
+                 "Failed setup_phy_params() for %s", mss::c_str(i_target));
 
-    // Copy the PHY initialization parameters into the internal buffer of Explorer
-    FAPI_TRY( mss::exp::ib::putUserInputMsdg(i_target, l_phy_params, l_crc),
-              "Failed putUserInputMsdg() for %s", mss::c_str(i_target) );
+        // Copy the PHY initialization parameters into the internal buffer of Explorer
+        FAPI_TRY( mss::exp::ib::putUserInputMsdg(i_target, l_phy_params, l_crc),
+                  "Failed putUserInputMsdg() for %s", mss::c_str(i_target) );
 
-    // Issue full boot mode cmd though EXP-FW REQ buffer
-    {
-        host_fw_command_struct l_cmd;
-        mss::exp::setup_cmd_params(l_crc, l_cmd);
-        FAPI_TRY( mss::exp::ib::putCMD(i_target, l_cmd),
-                  "Failed putCMD() for  %s", mss::c_str(i_target) );
-    }
+        // Issue full boot mode cmd though EXP-FW REQ buffer
+        {
+            host_fw_command_struct l_cmd;
+            mss::exp::setup_cmd_params(l_crc, l_cmd);
+            FAPI_TRY( mss::exp::ib::putCMD(i_target, l_cmd),
+                      "Failed putCMD() for  %s", mss::c_str(i_target) );
+        }
 
-    // Read the response message from EXP-FW RESP buffer
-    {
-        host_fw_response_struct l_response;
-        std::vector<uint8_t> l_rsp_data;
-        FAPI_TRY( mss::exp::ib::getRSP(i_target, l_response, l_rsp_data),
-                  "Failed getRSP() for  %s", mss::c_str(i_target) );
+        // Read the response message from EXP-FW RESP buffer
+        {
+            host_fw_response_struct l_response;
+            std::vector<uint8_t> l_rsp_data;
+            FAPI_TRY( mss::exp::ib::getRSP(i_target, l_response, l_rsp_data),
+                      "Failed getRSP() for  %s", mss::c_str(i_target) );
 
-        // Check if cmd was successful
-        FAPI_TRY(mss::exp::check::response(i_target, l_response),
-                 "Failed check::response() for  %s", mss::c_str(i_target) );
-    }
+            // Check if cmd was successful
+            FAPI_TRY(mss::exp::check::response(i_target, l_response),
+                     "Failed check::response() for  %s", mss::c_str(i_target) );
+        }
 
-fapi_try_exit:
-    return fapi2::current_err;
+    fapi_try_exit:
+        return fapi2::current_err;
+    }
 }