arch,sim: Make copyStringArray take an explicit endianness.

Change-Id: I5cf4291b19dd2d2bdbbf145ad8e00994fabf5547
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/22366
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Brandon Potter <Brandon.Potter@amd.com>
Maintainer: Gabe Black <gabeblack@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>

7 files changed, 26 insertions, 14 deletions

diff --git a/src/arch/alpha/process.cc b/src/arch/alpha/process.cc
index 9311a6415..11fa187b1 100644
--- a/src/arch/alpha/process.cc
+++ b/src/arch/alpha/process.cc
@@ -156,8 +156,10 @@ AlphaProcess::argsInit(int intSize, int pageSize)
 
     initVirtMem.writeBlob(memState->getStackMin(), &argc, intSize);
 
-    copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
-    copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
+    copyStringArray(argv, argv_array_base, arg_data_base,
+                    LittleEndianByteOrder, initVirtMem);
+    copyStringArray(envp, envp_array_base, env_data_base,
+                    LittleEndianByteOrder, initVirtMem);
 
     //Copy the aux stuff
     Addr auxv_array_end = auxv_array_base;
diff --git a/src/arch/arm/process.cc b/src/arch/arm/process.cc
index d9b714c44..cacbe3ad5 100644
--- a/src/arch/arm/process.cc
+++ b/src/arch/arm/process.cc
@@ -434,8 +434,10 @@ ArmProcess::argsInit(int pageSize, IntRegIndex spIndex)
     initVirtMem.write(auxv_array_end, zero);
     auxv_array_end += sizeof(zero);
 
-    copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
-    copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
+    copyStringArray(envp, envp_array_base, env_data_base,
+                    LittleEndianByteOrder, initVirtMem);
+    copyStringArray(argv, argv_array_base, arg_data_base,
+                    LittleEndianByteOrder, initVirtMem);
 
     initVirtMem.writeBlob(argc_base, &guestArgc, intSize);
 
diff --git a/src/arch/mips/process.cc b/src/arch/mips/process.cc
index 8e1e22b66..f5aae732c 100644
--- a/src/arch/mips/process.cc
+++ b/src/arch/mips/process.cc
@@ -165,9 +165,11 @@ MipsProcess::argsInit(int pageSize)
 
     initVirtMem.writeBlob(memState->getStackMin(), &argc, intSize);
 
-    copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
+    copyStringArray(argv, argv_array_base, arg_data_base,
+                    LittleEndianByteOrder, initVirtMem);
 
-    copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
+    copyStringArray(envp, envp_array_base, env_data_base,
+                    LittleEndianByteOrder, initVirtMem);
 
     // Copy the aux vector
     Addr auxv_array_end = auxv_array_base;
diff --git a/src/arch/power/process.cc b/src/arch/power/process.cc
index 7b53d7038..30685f0ba 100644
--- a/src/arch/power/process.cc
+++ b/src/arch/power/process.cc
@@ -254,8 +254,10 @@ PowerProcess::argsInit(int intSize, int pageSize)
     initVirtMem.write(auxv_array_end, zero);
     auxv_array_end += sizeof(zero);
 
-    copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
-    copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
+    copyStringArray(envp, envp_array_base, env_data_base,
+                    BigEndianByteOrder, initVirtMem);
+    copyStringArray(argv, argv_array_base, arg_data_base,
+                    BigEndianByteOrder, initVirtMem);
 
     initVirtMem.writeBlob(argc_base, &guestArgc, intSize);
 
diff --git a/src/arch/sparc/process.cc b/src/arch/sparc/process.cc
index 048c7e957..33ae68975 100644
--- a/src/arch/sparc/process.cc
+++ b/src/arch/sparc/process.cc
@@ -375,8 +375,10 @@ SparcProcess::argsInit(int pageSize)
     initVirtMem.write(auxv_array_end, zero);
     auxv_array_end += sizeof(zero);
 
-    copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
-    copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
+    copyStringArray(envp, envp_array_base, env_data_base,
+                    BigEndianByteOrder, initVirtMem);
+    copyStringArray(argv, argv_array_base, arg_data_base,
+                    BigEndianByteOrder, initVirtMem);
 
     initVirtMem.writeBlob(argc_base, &guestArgc, intSize);
 
diff --git a/src/arch/x86/process.cc b/src/arch/x86/process.cc
index 11b46c824..f90c764ee 100644
--- a/src/arch/x86/process.cc
+++ b/src/arch/x86/process.cc
@@ -1017,8 +1017,10 @@ X86Process::argsInit(int pageSize,
 
     initVirtMem.writeString(aux_data_base, platform.c_str());
 
-    copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
-    copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
+    copyStringArray(envp, envp_array_base, env_data_base,
+                    LittleEndianByteOrder, initVirtMem);
+    copyStringArray(argv, argv_array_base, arg_data_base,
+                    LittleEndianByteOrder, initVirtMem);
 
     initVirtMem.writeBlob(argc_base, &guestArgc, intSize);
 
diff --git a/src/sim/process_impl.hh b/src/sim/process_impl.hh
index 75134121b..da51c7f84 100644
--- a/src/sim/process_impl.hh
+++ b/src/sim/process_impl.hh
@@ -42,11 +42,11 @@ template<class AddrType>
 void
 copyStringArray(std::vector<std::string> &strings,
         AddrType array_ptr, AddrType data_ptr,
-        PortProxy& memProxy)
+        const ByteOrder bo, PortProxy& memProxy)
 {
     AddrType data_ptr_swap;
     for (std::vector<std::string>::size_type i = 0; i < strings.size(); ++i) {
-        data_ptr_swap = TheISA::htog(data_ptr);
+        data_ptr_swap = htog(data_ptr, bo);
         memProxy.writeBlob(array_ptr, &data_ptr_swap, sizeof(AddrType));
         memProxy.writeString(data_ptr, strings[i].c_str());
         array_ptr += sizeof(AddrType);