diff options
Diffstat (limited to 'src/arch/x86/acpigen.c')
| -rw-r--r-- | src/arch/x86/acpigen.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/arch/x86/acpigen.c b/src/arch/x86/acpigen.c index d3aaa3d644..59bfee314b 100644 --- a/src/arch/x86/acpigen.c +++ b/src/arch/x86/acpigen.c @@ -862,6 +862,8 @@ void acpigen_write_resourcetemplate_header(void) acpigen_write_len_f(); acpigen_emit_byte(WORD_PREFIX); len_stack[ltop++] = acpigen_get_current(); + /* Add 2 dummy bytes for the ACPI word (keep aligned with + the calclulation in acpigen_write_resourcetemplate() below). */ acpigen_emit_byte(0x00); acpigen_emit_byte(0x00); } @@ -879,7 +881,9 @@ void acpigen_write_resourcetemplate_footer(void) acpigen_emit_byte(0x79); acpigen_emit_byte(0x00); - len = gencurrent - p; + /* Start counting past the 2-bytes length added in + acpigen_write_resourcetemplate() above. */ + len = acpigen_get_current() - (p + 2); /* patch len word */ p[0] = len & 0xff; |