@@ -102,7 +102,9 @@ def get_value(ftype, value):
elif ftype == fdt.TYPE_BYTE:
return '%#x' % tools.ToByte(value[0])
elif ftype == fdt.TYPE_STRING:
- return '"%s"' % value
+ # Handle evil ACPI backslashes by adding another backslash before them.
+ # So "\\_SB.GPO0" in the device tree effectively stays like that in C
+ return '"%s"' % value.replace('\\', '\\\\')
elif ftype == fdt.TYPE_BOOL:
return 'true'
elif ftype == fdt.TYPE_INT64:
@@ -34,6 +34,7 @@
longbytearray = [09 0a 0b 0c];
stringval = "message2";
stringarray = "another", "multi-word", "message";
+ acpi-name = "\\_SB.GPO0";
};
spl-test3 {
@@ -70,6 +70,7 @@ class TestDtoc(unittest.TestCase):
@classmethod
def setUpClass(cls):
tools.PrepareOutputDir(None)
+ cls.maxDiff = None
@classmethod
def tearDownClass(cls):
@@ -181,6 +182,7 @@ struct dtd_sandbox_pmic_test {
\tfdt64_t\t\treg[2];
};
struct dtd_sandbox_spl_test {
+\tconst char * acpi_name;
\tbool\t\tboolval;
\tunsigned char\tbytearray[3];
\tunsigned char\tbyteval;
@@ -218,6 +220,7 @@ U_BOOT_DEVICE(spl_test) = {
};
static const struct dtd_sandbox_spl_test dtv_spl_test2 = {
+\t.acpi_name\t\t= "\\\\_SB.GPO0",
\t.bytearray\t\t= {0x1, 0x23, 0x34},
\t.byteval\t\t= 0x8,
\t.intarray\t\t= {0x5, 0x0, 0x0, 0x0},
The start of an ACPI path typically has backslashes in it. These are not preserved during the translation from device tree to C code, since dtc (correctly) uses the first backslash as an escape character, and dtoc therefore leaves it out of the C string. Fix this with special-case handling. Signed-off-by: Simon Glass <sjg at chromium.org> --- tools/dtoc/dtb_platdata.py | 4 +++- tools/dtoc/dtoc_test_simple.dts | 1 + tools/dtoc/test_dtoc.py | 3 +++ 3 files changed, 7 insertions(+), 1 deletion(-)