diff options
Diffstat (limited to 'source/components/parser/psloop.c')
| -rw-r--r-- | source/components/parser/psloop.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/source/components/parser/psloop.c b/source/components/parser/psloop.c index 74e8f0d6ebda..28d17962bafb 100644 --- a/source/components/parser/psloop.c +++ b/source/components/parser/psloop.c @@ -287,10 +287,18 @@ AcpiPsGetArguments ( WalkState->ArgCount, WalkState->PassNumber)); /* - * Handle executable code at "module-level". This refers to - * executable opcodes that appear outside of any control method. + * This case handles the legacy option that groups all module-level + * code blocks together and defers execution until all of the tables + * are loaded. Execute all of these blocks at this time. + * Execute any module-level code that was detected during the table + * load phase. + * + * Note: this option is deprecated and will be eliminated in the + * future. Use of this option can cause problems with AML code that + * depends upon in-order immediate execution of module-level code. */ - if ((WalkState->PassNumber <= ACPI_IMODE_LOAD_PASS2) && + if (AcpiGbl_GroupModuleLevelCode && + (WalkState->PassNumber <= ACPI_IMODE_LOAD_PASS2) && ((WalkState->ParseFlags & ACPI_PARSE_DISASSEMBLE) == 0)) { /* @@ -440,6 +448,16 @@ AcpiPsGetArguments ( * object to the global list. Note, the mutex field of the method * object is used to link multiple module-level code objects. * + * NOTE: In this legacy option, each block of detected executable AML + * code that is outside of any control method is wrapped with a temporary + * control method object and placed on a global list below. + * + * This function executes the module-level code for all tables only after + * all of the tables have been loaded. It is a legacy option and is + * not compatible with other ACPI implementations. See AcpiNsLoadTable. + * + * This function will be removed when the legacy option is removed. + * ******************************************************************************/ static void |