diff options
| author | Armin Wolf <W_Armin@gmx.de> | 2023-10-28 00:22:14 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-08-29 19:04:22 +0200 |
| commit | db0a507cb24dc8aef0baa453739e0ceae056812c (patch) | |
| tree | f31f2f6b0c7018fe99749cbab520b810eef4285e /drivers/acpi/acpica | |
| parent | 0e89a0fc55f025ab0f89a75dd3e5cdaf869d5ce9 (diff) | |
ACPICA: Update integer-to-hex-string conversions
ACPICA commit f2cb44f6deb6325a6b348b225fc82f565a870899
Add "0x" prefix for explicitly converted integers
and suppress leading zeros in such a case.
Provides compatibility with other ACPI implementations.
Link: https://github.com/acpica/acpica/commit/f2cb44f6
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica')
| -rw-r--r-- | drivers/acpi/acpica/exconvrt.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c index 9647325d290d..bb1be42daee1 100644 --- a/drivers/acpi/acpica/exconvrt.c +++ b/drivers/acpi/acpica/exconvrt.c @@ -417,6 +417,16 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc, base = 10; break; + case ACPI_EXPLICIT_CONVERT_HEX: + /* + * From to_hex_string. + * + * Supress leading zeros and append "0x" + */ + string_length = + ACPI_MUL_2(acpi_gbl_integer_byte_width) + 2; + leading_zeros = FALSE; + break; default: /* Two hex string characters for each integer byte */ @@ -437,6 +447,13 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc, } new_buf = return_desc->buffer.pointer; + if (type == ACPI_EXPLICIT_CONVERT_HEX) { + + /* Append "0x" prefix for explicit hex conversion */ + + *new_buf++ = '0'; + *new_buf++ = 'x'; + } /* Convert integer to string */ @@ -449,6 +466,13 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc, /* Null terminate at the correct place */ return_desc->string.length = string_length; + if (type == ACPI_EXPLICIT_CONVERT_HEX) { + + /* Take "0x" prefix into account */ + + return_desc->string.length += 2; + } + new_buf[string_length] = 0; break; |