diff options
| author | Duncan Laurie <dlaurie@google.com> | 2020-10-06 21:01:51 +0000 |
|---|---|---|
| committer | Duncan Laurie <dlaurie@chromium.org> | 2020-10-21 22:24:11 +0000 |
| commit | 36858208e6e06fdda2698e9a66a8e27f6d9acd24 (patch) | |
| tree | 0c1f6703c9037b495a72368474952647baebe0a3 /src | |
| parent | 8e391d3452902ac1a71124118e811eaf378d0779 (diff) | |
acpigen: Add ShiftLeft function helper
Provide a helper function for the ACPI shift left operator that
uses the same operator for the source and result.
ShiftLeft (OP, count, OP)
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Change-Id: I66ee89bd1c4be583d0e892b02535bfa9514d488a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46256
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/acpi/acpigen.c | 8 | ||||
| -rw-r--r-- | src/include/acpi/acpigen.h | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/src/acpi/acpigen.c b/src/acpi/acpigen.c index ee7c90cf01..0ed3708016 100644 --- a/src/acpi/acpigen.c +++ b/src/acpi/acpigen.c @@ -1381,6 +1381,14 @@ void acpigen_write_else(void) acpigen_write_len_f(); } +void acpigen_write_shiftleft_op_int(uint8_t src_result, uint64_t count) +{ + acpigen_emit_byte(SHIFT_LEFT_OP); + acpigen_emit_byte(src_result); + acpigen_write_integer(count); + acpigen_emit_byte(ZERO_OP); +} + void acpigen_write_to_buffer(uint8_t src, uint8_t dst) { acpigen_emit_byte(TO_BUFFER_OP); diff --git a/src/include/acpi/acpigen.h b/src/include/acpi/acpigen.h index e44326790b..cb9e9c97ab 100644 --- a/src/include/acpi/acpigen.h +++ b/src/include/acpi/acpigen.h @@ -378,6 +378,7 @@ void acpigen_write_if_lequal_op_op(uint8_t op, uint8_t val); void acpigen_write_if_lequal_op_int(uint8_t op, uint64_t val); void acpigen_write_if_lequal_namestr_int(const char *namestr, uint64_t val); void acpigen_write_else(void); +void acpigen_write_shiftleft_op_int(uint8_t src_result, uint64_t count); 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_to_integer_from_namestring(const char *source, uint8_t dst_op); |