diff options
| author | Tarun Tuli <taruntuli@google.com> | 2023-03-30 12:46:38 +0000 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-04-13 13:34:32 +0000 |
| commit | f7b23c80e4b5975d1beecbe0b39380cde5dd2ab2 (patch) | |
| tree | 89dd1d69dcb8bfadaeafab7eeef6ad7a850681af /src/mainboard/google/brya/acpi | |
| parent | 64e540a7d87de78e05ff50191b4265ae811fcb19 (diff) | |
mb/google/brya/acpi: LTOB - Add support for a 8 byte integer to buffer
This function adds support to convert a integer into a 8 byte buffer
TEST=verified returned buffer is as expected using acpiexec
BUG=b:271938907
Signed-off-by: Tarun Tuli <taruntuli@google.com>
Change-Id: I89eb50f1452657c26b97eb5609ed956fa8ee8117
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73898
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Diffstat (limited to 'src/mainboard/google/brya/acpi')
| -rw-r--r-- | src/mainboard/google/brya/acpi/utility.asl | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/acpi/utility.asl b/src/mainboard/google/brya/acpi/utility.asl index 9cdfb49c41..49f3dca8e9 100644 --- a/src/mainboard/google/brya/acpi/utility.asl +++ b/src/mainboard/google/brya/acpi/utility.asl @@ -37,3 +37,18 @@ Method (ITOB, 1) Local0[3] = (Arg0 >> 24) & 0xFF Return (Local0) } + +/* Convert from 64-bit integer to 8-byte buffer (little-endian) */ +Method (LTOB, 1) +{ + Local0 = Buffer(8) { 0, 0, 0, 0, 0, 0, 0, 0 } + Local0[0] = Arg0 & 0xFF + Local0[1] = (Arg0 >> 8) & 0xFF + Local0[2] = (Arg0 >> 16) & 0xFF + Local0[3] = (Arg0 >> 24) & 0xFF + Local0[4] = (Arg0 >> 32) & 0xFF + Local0[5] = (Arg0 >> 40) & 0xFF + Local0[6] = (Arg0 >> 48) & 0xFF + Local0[7] = (Arg0 >> 56) & 0xFF + Return (Local0) +} |