Furquan Shaikh (furquan@google.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/17088
-gerrit
commit 931d25bc940f8edc63e4a9714bd502fea53a23d5 Author: Furquan Shaikh furquan@chromium.org Date: Fri Oct 21 16:21:07 2016 -0700
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 --- src/arch/x86/acpigen.c | 53 +++++++++++++++++++++++++++++++++++++ src/arch/x86/include/arch/acpigen.h | 10 +++++++ 2 files changed, 63 insertions(+)
diff --git a/src/arch/x86/acpigen.c b/src/arch/x86/acpigen.c index 0a57263..35735b5 100644 --- a/src/arch/x86/acpigen.c +++ b/src/arch/x86/acpigen.c @@ -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) { diff --git a/src/arch/x86/include/arch/acpigen.h b/src/arch/x86/include/arch/acpigen.h index 0c515da..dd83db8 100644 --- a/src/arch/x86/include/arch/acpigen.h +++ b/src/arch/x86/include/arch/acpigen.h @@ -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 **);