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arch/x86/acpigen: Add more functions to ACPIGEN library 

1. If (LEqual (Op1, Op2))
2. ToBuffer (src, dst)
3. ToInteger (src, dst)
4. Buffer (n) { op1, op2 .... }
5. Return ( )

BUG=chrome-os-partner:57846

Change-Id: I24fe647c690b2dd4849f0c53b2672ac7a2caa2de
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17088
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Furquan Shaikh 2016-10-21 16:21:07 -07:00 committed by Furquan Shaikh
parent 3ce104e5d8
commit 9b39adb454
2 changed files with 63 additions and 0 deletions
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53
src/arch/x86/acpigen.c
View File

@ -987,12 +987,65 @@ void acpigen_write_if_and(uint8_t arg1, uint8_t arg2)
acpigen_emit_byte(arg2);
}
void acpigen_write_if_lequal(uint8_t arg1, uint8_t arg2)
{
acpigen_write_if();
acpigen_emit_byte(LEQUAL_OP);
acpigen_emit_byte(arg1);
acpigen_emit_byte(arg2);
}
void acpigen_write_else(void)
{
acpigen_emit_byte(ELSE_OP);
acpigen_write_len_f();
}
void acpigen_write_to_buffer(uint8_t src, uint8_t dst)
{
acpigen_emit_byte(TO_BUFFER_OP);
acpigen_emit_byte(src);
acpigen_emit_byte(dst);
}
void acpigen_write_to_integer(uint8_t src, uint8_t dst)
{
acpigen_emit_byte(TO_INTEGER_OP);
acpigen_emit_byte(src);
acpigen_emit_byte(dst);
}
void acpigen_write_byte_buffer(uint8_t *arr, uint8_t size)
{
uint8_t i;
acpigen_emit_byte(BUFFER_OP);
acpigen_write_len_f();
acpigen_emit_byte(size);
for (i = 0; i < size; i++)
acpigen_emit_byte(arr[i]);
acpigen_pop_len();
}
void acpigen_write_return_byte_buffer(uint8_t *arr, uint8_t size)
{
acpigen_emit_byte(RETURN_OP);
acpigen_write_byte_buffer(arr, size);
}
void acpigen_write_return_singleton_buffer(uint8_t arg)
{
acpigen_write_return_byte_buffer(&arg, 1);
}
void acpigen_write_return_byte(uint8_t arg)
{
acpigen_emit_byte(RETURN_OP);
acpigen_write_byte(arg);
}
/* Soc-implemented functions -- weak definitions. */
int __attribute__((weak)) acpigen_soc_read_rx_gpio(unsigned int gpio_num)
{

10
src/arch/x86/include/arch/acpigen.h
View File

@ -75,6 +75,9 @@ enum {
AND_OP = 0x7B,
OR_OP = 0x7D,
NOT_OP = 0x80,
LEQUAL_OP = 0x93,
TO_BUFFER_OP = 0x96,
TO_INTEGER_OP = 0x99,
IF_OP = 0xA0,
ELSE_OP = 0xA1,
RETURN_OP = 0xA4,
@ -156,7 +159,14 @@ 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_if_lequal(uint8_t arg1, uint8_t arg2);
void acpigen_write_else(void);
void acpigen_write_to_buffer(uint8_t src, uint8_t dst);
void acpigen_write_to_integer(uint8_t src, uint8_t dst);
void acpigen_write_byte_buffer(uint8_t *arr, uint8_t size);
void acpigen_write_return_byte_buffer(uint8_t *arr, uint8_t size);
void acpigen_write_return_singleton_buffer(uint8_t arg);
void acpigen_write_return_byte(uint8_t arg);
int get_cst_entries(acpi_cstate_t **);