/* ----------------------------------------------------------------------- *
*
* Copyright 2009 Erwan Velu - All Rights Reserved
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall
* be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* -----------------------------------------------------------------------
*/
#include "hdt-cli.h"
#include "hdt-common.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <acpi/acpi.h>
/* Print ACPI's table header in a defined formating */
static void show_header(void *address, s_acpi_description_header * h)
{
more_printf("%-4s v%03x %-6s %-8s 0x%08x %-7s 0x%08x @ 0x%p\n",
h->signature, h->revision, h->oem_id, h->oem_table_id,
h->oem_revision, h->creator_id, h->creator_revision, address)
}
/* That's an helper to visualize columns*/
static void show_table_separator(void)
{
more_printf
("----|----|------|--------|----------|-------|-----------|--------------------\n");
}
/* Display the main header before displaying the ACPI tables */
static void show_table_name(void)
{
more_printf
("ACPI rev oem table_id oem_rev creator creat_rev @ address \n");
show_table_separator();
}
/* called by "show acpi" */
void main_show_acpi(int argc __unused, char **argv __unused,
struct s_hardware *hardware)
{
reset_more_printf();
if (hardware->is_acpi_valid == false) {
more_printf("No ACPI Tables detected\n");
return;
}
show_table_name();
/* RSDP tables aren't using the same headers as the other
* So let's use a dedicated rendering */
if (hardware->acpi.rsdp.valid) {
s_rsdp *r = &hardware->acpi.rsdp;
more_printf
("RSDP v%03x %-6s @ %p\n",
r->revision, r->oem_id, r->address);
}
if (hardware->acpi.rsdt.valid)
show_header(hardware->acpi.rsdt.address,
&hardware->acpi.rsdt.header);
if (hardware->acpi.xsdt.valid)
show_header(hardware->acpi.xsdt.address,
&hardware->acpi.xsdt.header);
if (hardware->acpi.fadt.valid)
show_header(hardware->acpi.fadt.address, &hardware->acpi.fadt.header);
if (hardware->acpi.dsdt.valid)
show_header(hardware->acpi.dsdt.address, &hardware->acpi.dsdt.header);
/* SSDT includes many optional tables, let's display them */
for (int i = 0; i < hardware->acpi.ssdt_count; i++) {
if ((hardware->acpi.ssdt[i] != NULL) && (hardware->acpi.ssdt[i]->valid))
show_header(hardware->acpi.ssdt[i]->address,
&hardware->acpi.ssdt[i]->header);
}
if (hardware->acpi.sbst.valid)
show_header(hardware->acpi.sbst.address, &hardware->acpi.sbst.header);
if (hardware->acpi.ecdt.valid)
show_header(hardware->acpi.ecdt.address, &hardware->acpi.ecdt.header);
if (hardware->acpi.hpet.valid)
show_header(hardware->acpi.hpet.address, &hardware->acpi.hpet.header);
if (hardware->acpi.tcpa.valid)
show_header(hardware->acpi.tcpa.address, &hardware->acpi.tcpa.header);
if (hardware->acpi.mcfg.valid)
show_header(hardware->acpi.mcfg.address, &hardware->acpi.mcfg.header);
if (hardware->acpi.slic.valid)
show_header(hardware->acpi.slic.address, &hardware->acpi.slic.header);
if (hardware->acpi.boot.valid)
show_header(hardware->acpi.boot.address, &hardware->acpi.boot.header);
/* FACS isn't having the same headers, let's use a dedicated rendering */
if (hardware->acpi.facs.valid) {
s_facs *fa = &hardware->acpi.facs;
more_printf
("FACS @ 0x%p\n",
fa->address);
}
if (hardware->acpi.madt.valid)
show_header(hardware->acpi.madt.address, &hardware->acpi.madt.header);
more_printf("\nLocal APIC at 0x%08x\n", hardware->acpi.madt.local_apic_address);
}
/* Let's display the Processor Local APIC configuration */
static void show_local_apic(s_madt * madt)
{
if (madt->processor_local_apic_count == 0) {
more_printf("No Processor Local APIC found\n");
return;
}
/* For all detected logical CPU */
for (int i = 0; i < madt->processor_local_apic_count; i++) {
s_processor_local_apic *sla = &madt->processor_local_apic[i];
char buffer[8];
memset(buffer, 0, sizeof(buffer));
strcpy(buffer, "disable");
/* Let's check if the flags reports the cpu as enabled */
if ((sla->flags & PROCESSOR_LOCAL_APIC_ENABLE) ==
PROCESSOR_LOCAL_APIC_ENABLE)
strcpy(buffer, "enable");
more_printf("CPU #%u, LAPIC (acpi_id[0x%02x] apic_id[0x%02x]) %s\n",
sla->apic_id, sla->acpi_id, sla->apic_id, buffer);
}
}
/* Display the local apic NMI configuration */
static void show_local_apic_nmi(s_madt * madt)
{
if (madt->local_apic_nmi_count == 0) {
more_printf("No Local APIC NMI found\n");
return;
}
for (int i = 0; i < madt->local_apic_nmi_count; i++) {
s_local_apic_nmi *slan = &madt->local_apic_nmi[i];
char buffer[20];
more_printf("LAPIC_NMI (acpi_id[0x%02x] %s lint(0x%02x))\n",
slan->acpi_processor_id, flags_to_string(buffer,
slan->flags),
slan->local_apic_lint);
}
}
/* Display the IO APIC configuration */
static void show_io_apic(s_madt * madt)
{
if (madt->io_apic_count == 0) {
more_printf("No IO APIC found\n");
return;
}
/* For all IO APICS */
for (int i = 0; i < madt->io_apic_count; i++) {
s_io_apic *sio = &madt->io_apic[i];
char buffer[15];
memset(buffer, 0, sizeof(buffer));
/* GSI base reports the GSI configuration
* Let's interpret it as string */
switch (sio->global_system_interrupt_base) {
case 0:
strcpy(buffer, "GSI 0-23");
break;
case 24:
strcpy(buffer, "GSI 24-39");
break;
case 40:
strcpy(buffer, "GSI 40-55");
break;
default:
strcpy(buffer, "GSI Unknown");
break;
}
more_printf("IO_APIC[%d] : apic_id[0x%02x] address[0x%08x] %s\n",
i, sio->io_apic_id, sio->io_apic_address, buffer);
}
}
/* Display the interrupt source override configuration */
static void show_interrupt_source_override(s_madt * madt)
{
if (madt->interrupt_source_override_count == 0) {
more_printf("No interrupt source override found\n");
return;
}
/* Let's process each interrupt source override */
for (int i = 0; i < madt->interrupt_source_override_count; i++) {
s_interrupt_source_override *siso = &madt->interrupt_source_override[i];
char buffer[20];
char bus_type[10];
memset(bus_type, 0, sizeof(bus_type));
/* Spec report bus type 0 as ISA */
if (siso->bus == 0)
strcpy(bus_type, "ISA");
else
strcpy(bus_type, "unknown");
more_printf("INT_SRC_OVR (bus %s (%d) bus_irq %d global_irq %d %s)\n",
bus_type, siso->bus, siso->source,
siso->global_system_interrupt, flags_to_string(buffer,
siso->
flags));
}
}
/* Display the apic configuration
* This is called by acpi> show apic */
static void show_acpi_apic(int argc __unused, char **argv __unused,
struct s_hardware *hardware)
{
if (hardware->is_acpi_valid == false) {
more_printf("No ACPI Tables detected\n");
return;
}
s_madt *madt = &hardware->acpi.madt;
if (madt->valid == false) {
more_printf("No APIC (MADT) table found\n");
return;
}
more_printf("Local APIC at 0x%08x\n", madt->local_apic_address);
show_local_apic(madt);
show_local_apic_nmi(madt);
show_io_apic(madt);
show_interrupt_source_override(madt);
}
struct cli_callback_descr list_acpi_show_modules[] = {
{
.name = "apic",
.exec = show_acpi_apic,
.nomodule = false,
},
{
.name = NULL,
.exec = NULL,
.nomodule = false,
},
};
struct cli_module_descr acpi_show_modules = {
.modules = list_acpi_show_modules,
.default_callback = main_show_acpi,
};
struct cli_mode_descr acpi_mode = {
.mode = ACPI_MODE,
.name = CLI_ACPI,
.default_modules = NULL,
.show_modules = &acpi_show_modules,
.set_modules = NULL,
};