diff options
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/acpigen.c | 17 | ||||
| -rw-r--r-- | src/arch/x86/include/arch/acpigen.h | 1 |
2 files changed, 18 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) diff --git a/src/arch/x86/include/arch/acpigen.h b/src/arch/x86/include/arch/acpigen.h index a27bd6f277..d9379eb25a 100644 --- a/src/arch/x86/include/arch/acpigen.h +++ b/src/arch/x86/include/arch/acpigen.h @@ -277,6 +277,7 @@ void acpigen_write_processor(u8 cpuindex, u32 pblock_addr, u8 pblock_len); void acpigen_write_processor_package(const char *name, unsigned int first_core, unsigned int core_count); +void acpigen_write_processor_cnot(const unsigned int number_of_cores); void acpigen_write_TSS_package(int entries, acpi_tstate_t *tstate_list); void acpigen_write_TSD_package(u32 domain, u32 numprocs, PSD_coord coordtype); void acpigen_write_mem32fixed(int readwrite, u32 base, u32 size); |