1 /* ----------------------------------------------------------------------- *
2 *
3 * Copyright 2009 Erwan Velu - All Rights Reserved
4 *
5 * Permission is hereby granted, free of charge, to any person
6 * obtaining a copy of this software and associated documentation
7 * files (the "Software"), to deal in the Software without
8 * restriction, including without limitation the rights to use,
9 * copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom
11 * the Software is furnished to do so, subject to the following
12 * conditions:
13 *
14 * The above copyright notice and this permission notice shall
15 * be included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
19 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
21 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
22 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24 * OTHER DEALINGS IN THE SOFTWARE.
25 *
26 * -----------------------------------------------------------------------
27 */
28
29 #include "hdt-cli.h"
30 #include "hdt-common.h"
31 #include <stdio.h>
32 #include <string.h>
33 #include <stdlib.h>
34 #include <errno.h>
35 #include <acpi/acpi.h>
36
37 /* Print ACPI's table header in a defined formating */
show_header(void * address,s_acpi_description_header * h)38 static void show_header(void *address, s_acpi_description_header * h)
39 {
40 more_printf("%-4s v%03x %-6s %-8s 0x%08x %-7s 0x%08x @ 0x%p\n",
41 h->signature, h->revision, h->oem_id, h->oem_table_id,
42 h->oem_revision, h->creator_id, h->creator_revision, address)
43 }
44
45 /* That's an helper to visualize columns*/
show_table_separator(void)46 static void show_table_separator(void)
47 {
48 more_printf
49 ("----|----|------|--------|----------|-------|-----------|--------------------\n");
50 }
51
52 /* Display the main header before displaying the ACPI tables */
show_table_name(void)53 static void show_table_name(void)
54 {
55 more_printf
56 ("ACPI rev oem table_id oem_rev creator creat_rev @ address \n");
57 show_table_separator();
58 }
59
60 /* called by "show acpi" */
main_show_acpi(int argc __unused,char ** argv __unused,struct s_hardware * hardware)61 void main_show_acpi(int argc __unused, char **argv __unused,
62 struct s_hardware *hardware)
63 {
64 reset_more_printf();
65
66 if (hardware->is_acpi_valid == false) {
67 more_printf("No ACPI Tables detected\n");
68 return;
69 }
70
71 show_table_name();
72
73 /* RSDP tables aren't using the same headers as the other
74 * So let's use a dedicated rendering */
75 if (hardware->acpi.rsdp.valid) {
76 s_rsdp *r = &hardware->acpi.rsdp;
77 more_printf
78 ("RSDP v%03x %-6s @ %p\n",
79 r->revision, r->oem_id, r->address);
80 }
81
82 if (hardware->acpi.rsdt.valid)
83 show_header(hardware->acpi.rsdt.address,
84 &hardware->acpi.rsdt.header);
85
86 if (hardware->acpi.xsdt.valid)
87 show_header(hardware->acpi.xsdt.address,
88 &hardware->acpi.xsdt.header);
89
90 if (hardware->acpi.fadt.valid)
91 show_header(hardware->acpi.fadt.address, &hardware->acpi.fadt.header);
92
93 if (hardware->acpi.dsdt.valid)
94 show_header(hardware->acpi.dsdt.address, &hardware->acpi.dsdt.header);
95
96 /* SSDT includes many optional tables, let's display them */
97 for (int i = 0; i < hardware->acpi.ssdt_count; i++) {
98 if ((hardware->acpi.ssdt[i] != NULL) && (hardware->acpi.ssdt[i]->valid))
99 show_header(hardware->acpi.ssdt[i]->address,
100 &hardware->acpi.ssdt[i]->header);
101 }
102
103 if (hardware->acpi.sbst.valid)
104 show_header(hardware->acpi.sbst.address, &hardware->acpi.sbst.header);
105
106 if (hardware->acpi.ecdt.valid)
107 show_header(hardware->acpi.ecdt.address, &hardware->acpi.ecdt.header);
108
109 if (hardware->acpi.hpet.valid)
110 show_header(hardware->acpi.hpet.address, &hardware->acpi.hpet.header);
111
112 if (hardware->acpi.tcpa.valid)
113 show_header(hardware->acpi.tcpa.address, &hardware->acpi.tcpa.header);
114
115 if (hardware->acpi.mcfg.valid)
116 show_header(hardware->acpi.mcfg.address, &hardware->acpi.mcfg.header);
117
118 if (hardware->acpi.slic.valid)
119 show_header(hardware->acpi.slic.address, &hardware->acpi.slic.header);
120
121 if (hardware->acpi.boot.valid)
122 show_header(hardware->acpi.boot.address, &hardware->acpi.boot.header);
123
124 /* FACS isn't having the same headers, let's use a dedicated rendering */
125 if (hardware->acpi.facs.valid) {
126 s_facs *fa = &hardware->acpi.facs;
127 more_printf
128 ("FACS @ 0x%p\n",
129 fa->address);
130 }
131
132 if (hardware->acpi.madt.valid)
133 show_header(hardware->acpi.madt.address, &hardware->acpi.madt.header);
134
135 more_printf("\nLocal APIC at 0x%08x\n", hardware->acpi.madt.local_apic_address);
136 }
137
138 /* Let's display the Processor Local APIC configuration */
show_local_apic(s_madt * madt)139 static void show_local_apic(s_madt * madt)
140 {
141 if (madt->processor_local_apic_count == 0) {
142 more_printf("No Processor Local APIC found\n");
143 return;
144 }
145
146 /* For all detected logical CPU */
147 for (int i = 0; i < madt->processor_local_apic_count; i++) {
148 s_processor_local_apic *sla = &madt->processor_local_apic[i];
149 char buffer[8];
150 memset(buffer, 0, sizeof(buffer));
151 strcpy(buffer, "disable");
152 /* Let's check if the flags reports the cpu as enabled */
153 if ((sla->flags & PROCESSOR_LOCAL_APIC_ENABLE) ==
154 PROCESSOR_LOCAL_APIC_ENABLE)
155 strcpy(buffer, "enable");
156 more_printf("CPU #%u, LAPIC (acpi_id[0x%02x] apic_id[0x%02x]) %s\n",
157 sla->apic_id, sla->acpi_id, sla->apic_id, buffer);
158 }
159 }
160
161 /* Display the local apic NMI configuration */
show_local_apic_nmi(s_madt * madt)162 static void show_local_apic_nmi(s_madt * madt)
163 {
164 if (madt->local_apic_nmi_count == 0) {
165 more_printf("No Local APIC NMI found\n");
166 return;
167 }
168
169 for (int i = 0; i < madt->local_apic_nmi_count; i++) {
170 s_local_apic_nmi *slan = &madt->local_apic_nmi[i];
171 char buffer[20];
172 more_printf("LAPIC_NMI (acpi_id[0x%02x] %s lint(0x%02x))\n",
173 slan->acpi_processor_id, flags_to_string(buffer,
174 slan->flags),
175 slan->local_apic_lint);
176 }
177 }
178
179 /* Display the IO APIC configuration */
show_io_apic(s_madt * madt)180 static void show_io_apic(s_madt * madt)
181 {
182 if (madt->io_apic_count == 0) {
183 more_printf("No IO APIC found\n");
184 return;
185 }
186
187 /* For all IO APICS */
188 for (int i = 0; i < madt->io_apic_count; i++) {
189 s_io_apic *sio = &madt->io_apic[i];
190 char buffer[15];
191 memset(buffer, 0, sizeof(buffer));
192 /* GSI base reports the GSI configuration
193 * Let's interpret it as string */
194 switch (sio->global_system_interrupt_base) {
195 case 0:
196 strcpy(buffer, "GSI 0-23");
197 break;
198 case 24:
199 strcpy(buffer, "GSI 24-39");
200 break;
201 case 40:
202 strcpy(buffer, "GSI 40-55");
203 break;
204 default:
205 strcpy(buffer, "GSI Unknown");
206 break;
207 }
208
209 more_printf("IO_APIC[%d] : apic_id[0x%02x] address[0x%08x] %s\n",
210 i, sio->io_apic_id, sio->io_apic_address, buffer);
211 }
212 }
213
214 /* Display the interrupt source override configuration */
show_interrupt_source_override(s_madt * madt)215 static void show_interrupt_source_override(s_madt * madt)
216 {
217 if (madt->interrupt_source_override_count == 0) {
218 more_printf("No interrupt source override found\n");
219 return;
220 }
221
222 /* Let's process each interrupt source override */
223 for (int i = 0; i < madt->interrupt_source_override_count; i++) {
224 s_interrupt_source_override *siso = &madt->interrupt_source_override[i];
225 char buffer[20];
226 char bus_type[10];
227 memset(bus_type, 0, sizeof(bus_type));
228 /* Spec report bus type 0 as ISA */
229 if (siso->bus == 0)
230 strcpy(bus_type, "ISA");
231 else
232 strcpy(bus_type, "unknown");
233
234 more_printf("INT_SRC_OVR (bus %s (%d) bus_irq %d global_irq %d %s)\n",
235 bus_type, siso->bus, siso->source,
236 siso->global_system_interrupt, flags_to_string(buffer,
237 siso->
238 flags));
239 }
240 }
241
242 /* Display the apic configuration
243 * This is called by acpi> show apic */
show_acpi_apic(int argc __unused,char ** argv __unused,struct s_hardware * hardware)244 static void show_acpi_apic(int argc __unused, char **argv __unused,
245 struct s_hardware *hardware)
246 {
247 if (hardware->is_acpi_valid == false) {
248 more_printf("No ACPI Tables detected\n");
249 return;
250 }
251
252 s_madt *madt = &hardware->acpi.madt;
253
254 if (madt->valid == false) {
255 more_printf("No APIC (MADT) table found\n");
256 return;
257 }
258
259 more_printf("Local APIC at 0x%08x\n", madt->local_apic_address);
260 show_local_apic(madt);
261 show_local_apic_nmi(madt);
262 show_io_apic(madt);
263 show_interrupt_source_override(madt);
264 }
265
266 struct cli_callback_descr list_acpi_show_modules[] = {
267 {
268 .name = "apic",
269 .exec = show_acpi_apic,
270 .nomodule = false,
271 },
272 {
273 .name = NULL,
274 .exec = NULL,
275 .nomodule = false,
276 },
277 };
278
279 struct cli_module_descr acpi_show_modules = {
280 .modules = list_acpi_show_modules,
281 .default_callback = main_show_acpi,
282 };
283
284 struct cli_mode_descr acpi_mode = {
285 .mode = ACPI_MODE,
286 .name = CLI_ACPI,
287 .default_modules = NULL,
288 .show_modules = &acpi_show_modules,
289 .set_modules = NULL,
290 };
291