diff options
Diffstat (limited to 'src/arch/x86/acpigen.c')
| -rw-r--r-- | src/arch/x86/acpigen.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/arch/x86/acpigen.c b/src/arch/x86/acpigen.c index 426a5426b7..290893d719 100644 --- a/src/arch/x86/acpigen.c +++ b/src/arch/x86/acpigen.c @@ -369,6 +369,23 @@ void acpigen_write_processor_package(const char *const name, acpigen_pop_len(); } +/* Method to notify all CPU cores */ +void acpigen_write_processor_cnot(const unsigned int number_of_cores) +{ + int core_id; + + acpigen_write_method("\\_PR.CNOT", 1); + for (core_id = 0; core_id < number_of_cores; core_id++) { + char buffer[DEVICE_PATH_MAX]; + snprintf(buffer, sizeof(buffer), CONFIG_ACPI_CPU_STRING, + core_id); + acpigen_emit_byte(NOTIFY_OP); + acpigen_emit_namestring(buffer); + acpigen_emit_byte(ARG0_OP); + } + acpigen_pop_len(); +} + /* * Generate ACPI AML code for OperationRegion * Arg0: Pointer to struct opregion opreg = OPREGION(rname, space, offset, len) |