diff --git a/headers/private/kernel/arch/sparc/arch_kernel.h b/headers/private/kernel/arch/sparc/arch_kernel.h
index 44fa61d97b..5666fff6b5 100644
--- a/headers/private/kernel/arch/sparc/arch_kernel.h
+++ b/headers/private/kernel/arch/sparc/arch_kernel.h
@@ -8,6 +8,9 @@
 
 #include <arch/cpu.h>
 
+// memory layout
+#define KERNEL_LOAD_BASE_64_BIT 0xffffffff80000000ll
+
 // Base of the kernel address space.
 // KERNEL_BASE is the base of the kernel address space. This differs from the
 // address where the kernel is loaded to: the kernel is loaded in the top 2GB
@@ -16,7 +19,6 @@
 #define KERNEL_BASE				0xffffff0000000000
 #define KERNEL_SIZE				0x10000000000
 #define KERNEL_TOP  			(KERNEL_BASE + (KERNEL_SIZE - 1))
-#define KERNEL_LOAD_BASE		0xffffffff80000000
 
 
 // Userspace address space layout.
diff --git a/headers/private/system/arch/sparc/arch_config.h b/headers/private/system/arch/sparc/arch_config.h
index 3cdb67ea26..7e07a3e8ab 100644
--- a/headers/private/system/arch/sparc/arch_config.h
+++ b/headers/private/system/arch/sparc/arch_config.h
@@ -5,6 +5,7 @@
 #ifndef _KERNEL_ARCH_SPARC_CONFIG_H
 #define _KERNEL_ARCH_SPARC_CONFIG_H
 
+#define FUNCTION_CALL_PARAMETER_ALIGNMENT_TYPE  unsigned long
 
 #define STACK_GROWS_DOWNWARDS