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-rw-r--r--src/sim/system.cc65
1 files changed, 35 insertions, 30 deletions
diff --git a/src/sim/system.cc b/src/sim/system.cc
index 4b42d41fc..b3ba1b8f1 100644
--- a/src/sim/system.cc
+++ b/src/sim/system.cc
@@ -89,36 +89,41 @@ System::System(Params *p)
/**
* Load the kernel code into memory
*/
- // Load kernel code
- kernel = createObjectFile(params()->kernel_path);
- if (kernel == NULL)
- fatal("Could not load kernel file %s", params()->kernel_path);
-
- // Load program sections into memory
- kernel->loadSections(&functionalPort, LoadAddrMask);
-
- // setup entry points
- kernelStart = kernel->textBase();
- kernelEnd = kernel->bssBase() + kernel->bssSize();
- kernelEntry = kernel->entryPoint();
-
- // load symbols
- if (!kernel->loadGlobalSymbols(kernelSymtab))
- panic("could not load kernel symbols\n");
-
- if (!kernel->loadLocalSymbols(kernelSymtab))
- panic("could not load kernel local symbols\n");
-
- if (!kernel->loadGlobalSymbols(debugSymbolTable))
- panic("could not load kernel symbols\n");
-
- if (!kernel->loadLocalSymbols(debugSymbolTable))
- panic("could not load kernel local symbols\n");
-
- DPRINTF(Loader, "Kernel start = %#x\n", kernelStart);
- DPRINTF(Loader, "Kernel end = %#x\n", kernelEnd);
- DPRINTF(Loader, "Kernel entry = %#x\n", kernelEntry);
- DPRINTF(Loader, "Kernel loaded...\n");
+ if (params()->kernel_path == "") {
+ warn("No kernel set for full system simulation. Assuming you know what"
+ " you're doing...\n");
+ } else {
+ // Load kernel code
+ kernel = createObjectFile(params()->kernel_path);
+ if (kernel == NULL)
+ fatal("Could not load kernel file %s", params()->kernel_path);
+
+ // Load program sections into memory
+ kernel->loadSections(&functionalPort, LoadAddrMask);
+
+ // setup entry points
+ kernelStart = kernel->textBase();
+ kernelEnd = kernel->bssBase() + kernel->bssSize();
+ kernelEntry = kernel->entryPoint();
+
+ // load symbols
+ if (!kernel->loadGlobalSymbols(kernelSymtab))
+ panic("could not load kernel symbols\n");
+
+ if (!kernel->loadLocalSymbols(kernelSymtab))
+ panic("could not load kernel local symbols\n");
+
+ if (!kernel->loadGlobalSymbols(debugSymbolTable))
+ panic("could not load kernel symbols\n");
+
+ if (!kernel->loadLocalSymbols(debugSymbolTable))
+ panic("could not load kernel local symbols\n");
+
+ DPRINTF(Loader, "Kernel start = %#x\n", kernelStart);
+ DPRINTF(Loader, "Kernel end = %#x\n", kernelEnd);
+ DPRINTF(Loader, "Kernel entry = %#x\n", kernelEntry);
+ DPRINTF(Loader, "Kernel loaded...\n");
+ }
#endif // FULL_SYSTEM
// increment the number of running systms