diff --git a/src/arch/sparc.c b/src/arch/sparc.c
index 059dd81..762213d 100644
--- a/src/arch/sparc.c
+++ b/src/arch/sparc.c
@@ -65,6 +65,8 @@ ArchPlugin arch_plugin =
 /* sparc_write */
 static int _write_loadstore(ArchPlugin * plugin, ArchInstruction * instruction,
 		ArchInstructionCall * call, uint32_t * opcode);
+static int _write_sethi(ArchPlugin * plugin, ArchInstruction * instruction,
+		ArchInstructionCall * call, uint32_t * opcode);
 
 static int _sparc_write(ArchPlugin * plugin, ArchInstruction * instruction,
 		ArchInstructionCall * call)
@@ -74,6 +76,9 @@ static int _sparc_write(ArchPlugin * plugin, ArchInstruction * instruction,
 	if((opcode & 0xc0000000) == 0xc0000000 && _write_loadstore(plugin,
 				instruction, call, &opcode) != 0)
 		return -1;
+	else if((opcode & 0x01000000) == 0x01000000 && _write_sethi(plugin,
+				instruction, call, &opcode) != 0)
+		return -1;
 	/* FIXME implement the rest */
 	opcode = _htob32(opcode);
 	if(fwrite(&opcode, sizeof(opcode), 1, plugin->helper->fp) != 1)
@@ -166,3 +171,28 @@ static int _write_loadstore(ArchPlugin * plugin, ArchInstruction * instruction,
 	*opcode |= (rd | rs1 | rs2);
 	return 0;
 }
+
+static int _write_sethi(ArchPlugin * plugin, ArchInstruction * instruction,
+		ArchInstructionCall * call, uint32_t * opcode)
+{
+	ArchPluginHelper * helper = plugin->helper;
+	uint32_t rd;
+	uint32_t value;
+	char const * name;
+	ArchRegister * ar;
+
+	/* value */
+	if(AO_GET_TYPE(instruction->op1) != AOT_IMMEDIATE)
+		return -1;
+	value = (call->operands[0].value.immediate.value >> 10);
+	/* rd */
+	if(AO_GET_TYPE(instruction->op2) != AOT_REGISTER)
+		return -1;
+	name = call->operands[1].value._register.name;
+	if((ar = helper->get_register_by_name_size(helper->arch,
+					name, 32)) == NULL)
+		return -1;
+	rd = (ar->id << 25);
+	*opcode |= (rd | value);
+	return 0;
+}
diff --git a/test/sparc.S b/test/sparc.S
index 0a562d5..c657abc 100644
--- a/test/sparc.S
+++ b/test/sparc.S
@@ -48,7 +48,7 @@
 	sdiv	%r29, -$23, %r19
 	sdivcc	%r16, %r26, %r27
 	sdivcc	%r29, -$23, %r19
-	sethi	$0x87654321, %r2
+	sethi	$0x87654321, %r2		/* 0x0521d950 */
 	smul	%r16, %r26, %r27
 	smul	%r29, -$23, %r19
 	smulcc	%r16, %r26, %r27