sim: Get rid of the no longer needed DefaultSyscallABI.

All ISAs now have their own ABI definitions.

Change-Id: I20484b024227658bed7093c232ebf7d64f29bdb6
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/23458
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Gabe Black <gabeblack@google.com>

diff --git a/src/sim/syscall_desc.hh b/src/sim/syscall_desc.hh
index 8bc39298150f0c295cc883e85fc1a4f7ed6f2a57..a00b1f325f3571cf90d0a642abb1b01c3a97f80a 100644 (file)
--- a/src/sim/syscall_desc.hh
+++ b/src/sim/syscall_desc.hh
@@ -150,50 +150,4 @@ class SyscallDescABI : public SyscallDesc
     using SyscallDesc::SyscallDesc;
 };
 
-struct DefaultSyscallABI
-{
-    using Position = int;
-};
-
-namespace GuestABI
-{
-
-template <>
-struct Result<DefaultSyscallABI, SyscallReturn>
-{
-    static void
-    store(ThreadContext *tc, const SyscallReturn &ret)
-    {
-        auto *process = tc->getProcessPtr();
-        process->setSyscallReturn(tc, ret);
-    }
-};
-
-template <typename Arg>
-struct Argument<DefaultSyscallABI, Arg,
-    typename std::enable_if<std::is_integral<Arg>::value>::type>
-{
-    static Arg
-    get(ThreadContext *tc, DefaultSyscallABI::Position &position)
-    {
-        auto *process = tc->getProcessPtr();
-        return process->getSyscallArg(tc, position);
-    }
-};
-
-template <typename Arg>
-struct Argument<DefaultSyscallABI, Arg,
-    typename std::enable_if<std::is_pointer<Arg>::value>::type>
-{
-    static Arg
-    get(ThreadContext *tc, DefaultSyscallABI::Position &position)
-    {
-        auto *process = tc->getProcessPtr();
-        RegVal reg = process->getSyscallArg(tc, position);
-        return (Arg)(uintptr_t)(reg);
-    }
-};
-
-} // namespace GuestABI
-
 #endif // __SIM_SYSCALL_DESC_HH__