commit 8104a5254eb3df4a5bb842f0b15808c615aab37a
author Patrick Venture <venture@google.com> Wed Jun 19 19:04:36 2019 -0700
committer Patrick Venture <venture@google.com> Wed Jun 19 19:29:59 2019 -0700
tree 768e4fb01874bc2a9e95d7c18bd54551a51683dd
parent 1f09d4145f6b925cab1b2fe7420b31725704bca5

tool: LPC data handler needs an address and length

The host needs to have memory set aside for this purpose, and this
enables the caller to provide those values.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: If40ec3b08bd1932cba91d3f770c7fde6f280463d

tools/main.cpp

diff --git a/tools/main.cpp b/tools/main.cpp
index 536cde1..ff00dd4 100644
--- a/tools/main.cpp
+++ b/tools/main.cpp
@@ -27,6 +27,7 @@
 
 #include <algorithm>
 #include <cstdio>
+#include <cstdlib>
 #include <exception>
 #include <iostream>
 #include <ipmiblob/blob_handler.hpp>
@@ -74,6 +75,9 @@
 int main(int argc, char* argv[])
 {
     std::string command, interface, imagePath, signaturePath;
+    char* valueEnd = nullptr;
+    long address = 0;
+    long length = 0;
 
     while (1)
     {
@@ -83,13 +87,15 @@
             {"interface", required_argument, 0, 'i'},
             {"image", required_argument, 0, 'm'},
             {"sig", required_argument, 0, 's'},
+            {"address", required_argument, 0, 'a'},
+            {"length", required_argument, 0, 'l'},
             {0, 0, 0, 0}
         };
         // clang-format on
 
         int option_index = 0;
         int c =
-            getopt_long(argc, argv, "c:i:m:s:", long_options, &option_index);
+            getopt_long(argc, argv, "c:i:m:s:a:l", long_options, &option_index);
         if (c == -1)
         {
             break;
@@ -120,6 +126,22 @@
             case 's':
                 signaturePath = std::string{optarg};
                 break;
+            case 'a':
+                address = std::strtol(&optarg[0], &valueEnd, 0);
+                if (valueEnd == nullptr)
+                {
+                    usage(argv[0]);
+                    exit(EXIT_FAILURE);
+                }
+                break;
+            case 'l':
+                length = std::strtol(&optarg[0], &valueEnd, 0);
+                if (valueEnd == nullptr)
+                {
+                    usage(argv[0]);
+                    exit(EXIT_FAILURE);
+                }
+                break;
             default:
                 usage(argv[0]);
                 exit(EXIT_FAILURE);
@@ -155,8 +177,13 @@
         }
         else if (interface == IPMILPC)
         {
-            handler =
-                std::make_unique<host_tool::LpcDataHandler>(&blob, &devmem);
+            if (address == 0 || length == 0)
+            {
+                std::fprintf(stderr, "Address or Length were 0\n");
+                exit(EXIT_FAILURE);
+            }
+            handler = std::make_unique<host_tool::LpcDataHandler>(
+                &blob, &devmem, address, length);
         }
         else if (interface == IPMIPCI)
         {