diff --git a/src/arch/sparcv9/abi.zig b/src/arch/sparcv9/abi.zig
index 94f66f52f5..90b565adc1 100644
--- a/src/arch/sparcv9/abi.zig
+++ b/src/arch/sparcv9/abi.zig
@@ -5,5 +5,8 @@ const Register = bits.Register;
 // so no need to do it manually
 pub const callee_preserved_regs = [_]Register{};
 
-// pub const c_abi_int_param_regs = [_]Register{};
-// pub const c_abi_int_return_regs = [_]Register{};
+pub const c_abi_int_param_regs_caller_view = [_]Register{.o0, .o1, .o2, .o3, .o4, .o5};
+pub const c_abi_int_param_regs_callee_view = [_]Register{.@"i0", .@"i1", .@"i2", .@"i3", .@"i4", .@"i5"};
+
+pub const c_abi_int_return_regs_caller_view = [_]Register{.o0, .o1, .o2, .o3, .o4, .o5};
+pub const c_abi_int_return_regs_callee_view = [_]Register{.@"i0", .@"i1", .@"i2", .@"i3", .@"i4", .@"i5"};