With this patch the following property assignment:
property = ['a' 2b '\r'];
is equivalent to:
property = [61 2b 0d];
Signed-off-by: Anton Staaf <[email protected]>
Cc: Jon Loeliger <[email protected]>
Cc: David Gibson <[email protected]>
---
Documentation/dts-format.txt | 5 +++--
dtc-lexer.l | 14 ++++++++++++++
2 files changed, 17 insertions(+), 2 deletions(-)
diff --git a/Documentation/dts-format.txt b/Documentation/dts-format.txt
index eae8b76..555bd89 100644
--- a/Documentation/dts-format.txt
+++ b/Documentation/dts-format.txt
@@ -48,11 +48,12 @@ NUL-terminated strings, as bytestrings or a combination of
these.
e.g. compatible = "simple-bus";
* A bytestring is enclosed in square brackets [] with each byte
- represented by two hexadecimal digits. Spaces between each byte are
- optional.
+ represented by two hexadecimal digits or a character literal.
+ Spaces between each byte or character literal are optional.
e.g. local-mac-address = [00 00 12 34 56 78]; or equivalently
local-mac-address = [000012345678];
+ e.g. keymap = ['a' 'b' 'c' 'd'];
* Values may have several comma-separated components, which are
concatenated together.
diff --git a/dtc-lexer.l b/dtc-lexer.l
index d4f9eaa..31cd18a 100644
--- a/dtc-lexer.l
+++ b/dtc-lexer.l
@@ -142,6 +142,20 @@ static int pop_input_file(void);
return DT_BYTE;
}
+<BYTESTRING>{CHAR_LITERAL} {
+ DPRINT("Character literal: %s\n", yytext);
+ yylval.byte = yytext[1];
+ DPRINT("Byte: %02x\n", (int)yylval.byte);
+ return DT_BYTE;
+ }
+
+<BYTESTRING>{CHAR_ESCAPED} {
+ DPRINT("Character escaped literal: %s\n", yytext);
+ yylval.byte = get_escape_char_exact(yytext+1, yyleng-2);
+ DPRINT("Byte: %02x\n", (int)yylval.byte);
+ return DT_BYTE;
+ }
+
<BYTESTRING>"]" {
DPRINT("/BYTESTRING\n");
BEGIN_DEFAULT();
--
1.7.3.1
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