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>
This commit is contained in:
Furquan Shaikh 2016-10-20 23:12:38 -07:00 committed by Furquan Shaikh
parent e4e9b94db1
commit fcc7a04cc8
2 changed files with 145 additions and 2 deletions

View File

@ -438,12 +438,24 @@ void acpigen_write_empty_PTC(void)
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 @@ void acpigen_write_uuid(const char *uuid)
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();
}

View File

@ -114,6 +114,7 @@ void acpigen_write_name_integer(const char *name, uint64_t val);
void acpigen_write_coreboot_hid(enum coreboot_acpi_ids id);
void acpigen_write_scope(const char *name);
void acpigen_write_method(const char *name, int nargs);
void acpigen_write_method_serialized(const char *name, int nargs);
void acpigen_write_device(const char *name);
void acpigen_write_PPC(u8 nr);
void acpigen_write_PPC_NVS(void);
@ -142,6 +143,20 @@ void acpigen_write_mainboard_resource_template(void);
void acpigen_write_mainboard_resources(const char *scope, const char *name);
void acpigen_write_irq(u16 mask);
void acpigen_write_uuid(const char *uuid);
void acpigen_write_power_res(const char *name, uint8_t level, uint16_t order,
const char *dev_states[], size_t dev_states_count);
void acpigen_write_sleep(uint64_t sleep_ms);
void acpigen_write_store(void);
void acpigen_write_store_ops(uint8_t src, uint8_t dst);
void acpigen_write_or(uint8_t arg1, uint8_t arg2, uint8_t res);
void acpigen_write_and(uint8_t arg1, uint8_t arg2, uint8_t res);
void acpigen_write_not(uint8_t arg, uint8_t res);
void acpigen_write_debug_string(const char *str);
void acpigen_write_debug_integer(uint64_t val);
void acpigen_write_debug_op(uint8_t op);
void acpigen_write_if(void);
void acpigen_write_if_and(uint8_t arg1, uint8_t arg2);
void acpigen_write_else(void);
int get_cst_entries(acpi_cstate_t **);