arch/x86/acpigen: Add new functions to acpigen library
Add functions to support generation of following AML operations:
1. PowerResource
2. Store
3. Or
4. And
5. Not
6. Debug
7. If
8. Else
9. Serialized method
BUG=chrome-os-partner:55988
Change-Id: I606736b38e6a55ffdc3e814b6ae0fa367ef7595b
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17079
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Alexander Couzens <lynxis@fe80.eu>
diff --git a/src/arch/x86/acpigen.c b/src/arch/x86/acpigen.c
index 27fa07a..e0e957a 100644
--- a/src/arch/x86/acpigen.c
+++ b/src/arch/x86/acpigen.c
@@ -438,12 +438,24 @@
acpigen_pop_len();
}
-void acpigen_write_method(const char *name, int nargs)
+static void __acpigen_write_method(const char *name, uint8_t flags)
{
acpigen_emit_byte(METHOD_OP);
acpigen_write_len_f();
acpigen_emit_namestring(name);
- acpigen_emit_byte(nargs & 7);
+ acpigen_emit_byte(flags);
+}
+
+/* Method (name, nargs, NotSerialized) */
+void acpigen_write_method(const char *name, int nargs)
+{
+ __acpigen_write_method(name, (nargs & 7));
+}
+
+/* Method (name, nargs, Serialized) */
+void acpigen_write_method_serialized(const char *name, int nargs)
+{
+ __acpigen_write_method(name, (nargs & 7) | (1 << 3));
}
void acpigen_write_device(const char *name)
@@ -864,3 +876,119 @@
acpigen_pop_len();
}
+
+/*
+ * Name (_PRx, Package(One) { name })
+ * ...
+ * PowerResource (name, level, order)
+ */
+void acpigen_write_power_res(const char *name, uint8_t level, uint16_t order,
+ const char *dev_states[], size_t dev_states_count)
+{
+ int i;
+ for (i = 0; i < dev_states_count; i++) {
+ acpigen_write_name(dev_states[i]);
+ acpigen_write_package(1);
+ acpigen_emit_simple_namestring(name);
+ acpigen_pop_len(); /* Package */
+ }
+
+ acpigen_emit_ext_op(POWER_RES_OP);
+
+ acpigen_write_len_f();
+
+ acpigen_emit_simple_namestring(name);
+ acpigen_emit_byte(level);
+ acpigen_emit_word(order);
+}
+
+/* Sleep (ms) */
+void acpigen_write_sleep(uint64_t sleep_ms)
+{
+ acpigen_emit_ext_op(SLEEP_OP);
+ acpigen_write_integer(sleep_ms);
+}
+
+void acpigen_write_store(void)
+{
+ acpigen_emit_byte(STORE_OP);
+}
+
+/* Store (src, dst) */
+void acpigen_write_store_ops(uint8_t src, uint8_t dst)
+{
+ acpigen_write_store();
+ acpigen_emit_byte(src);
+ acpigen_emit_byte(dst);
+}
+
+/* Or (arg1, arg2, res) */
+void acpigen_write_or(uint8_t arg1, uint8_t arg2, uint8_t res)
+{
+ acpigen_emit_byte(OR_OP);
+ acpigen_emit_byte(arg1);
+ acpigen_emit_byte(arg2);
+ acpigen_emit_byte(res);
+}
+
+/* And (arg1, arg2, res) */
+void acpigen_write_and(uint8_t arg1, uint8_t arg2, uint8_t res)
+{
+ acpigen_emit_byte(AND_OP);
+ acpigen_emit_byte(arg1);
+ acpigen_emit_byte(arg2);
+ acpigen_emit_byte(res);
+}
+
+/* Not (arg, res) */
+void acpigen_write_not(uint8_t arg, uint8_t res)
+{
+ acpigen_emit_byte(NOT_OP);
+ acpigen_emit_byte(arg);
+ acpigen_emit_byte(res);
+}
+
+/* Store (str, DEBUG) */
+void acpigen_write_debug_string(const char *str)
+{
+ acpigen_write_store();
+ acpigen_write_string(str);
+ acpigen_emit_ext_op(DEBUG_OP);
+}
+
+/* Store (val, DEBUG) */
+void acpigen_write_debug_integer(uint64_t val)
+{
+ acpigen_write_store();
+ acpigen_write_integer(val);
+ acpigen_emit_ext_op(DEBUG_OP);
+}
+
+/* Store (op, DEBUG) */
+void acpigen_write_debug_op(uint8_t op)
+{
+ acpigen_write_store();
+ acpigen_emit_byte(op);
+ acpigen_emit_ext_op(DEBUG_OP);
+}
+
+void acpigen_write_if(void)
+{
+ acpigen_emit_byte(IF_OP);
+ acpigen_write_len_f();
+}
+
+/* If (And (arg1, arg2)) */
+void acpigen_write_if_and(uint8_t arg1, uint8_t arg2)
+{
+ acpigen_write_if();
+ acpigen_emit_byte(AND_OP);
+ acpigen_emit_byte(arg1);
+ acpigen_emit_byte(arg2);
+}
+
+void acpigen_write_else(void)
+{
+ acpigen_emit_byte(ELSE_OP);
+ acpigen_write_len_f();
+}