2020-05-08 19:28:13 +02:00
|
|
|
/* inteltool - dump all registers on an Intel CPU + chipset based system */
|
util/: Replace GPLv2 boiler plate with SPDX header
Used commands:
perl -i -p0e 's|\/\*[\s*]*.*is free software[:;][\s*]*you[\s*]*can[\s*]*redistribute[\s*]*it[\s*]*and\/or[\s*]*modify[\s*]*it[\s*]*under[\s*]*the[\s*]*terms[\s*]*of[\s*]*the[\s*]*GNU[\s*]*General[\s*]*Public[\s*]*License[\s*]*as[\s*]*published[\s*]*by[\s*]*the[\s*]*Free[\s*]*Software[\s*]*Foundation[;,][\s*]*version[\s*]*2[\s*]*of[\s*]*the[\s*]*License.[\s*]*This[\s*]*program[\s*]*is[\s*]*distributed[\s*]*in[\s*]*the[\s*]*hope[\s*]*that[\s*]*it[\s*]*will[\s*]*be[\s*]*useful,[\s*]*but[\s*]*WITHOUT[\s*]*ANY[\s*]*WARRANTY;[\s*]*without[\s*]*even[\s*]*the[\s*]*implied[\s*]*warranty[\s*]*of[\s*]*MERCHANTABILITY[\s*]*or[\s*]*FITNESS[\s*]*FOR[\s*]*A[\s*]*PARTICULAR[\s*]*PURPOSE.[\s*]*See[\s*]*the[\s*]*GNU[\s*]*General[\s*]*Public[\s*]*License[\s*]*for[\s*]*more[\s*]*details.[\s*]*\*\/|/* SPDX-License-Identifier: GPL-2.0-only */|' $(cat filelist)
perl -i -p0e 's|This[\s*]*program[\s*]*is[\s*]*free[\s*]*software[:;][\s*]*you[\s*]*can[\s*]*redistribute[\s*]*it[\s*]*and/or[\s*]*modify[\s*]*it[\s*]*under[\s*]*the[\s*]*terms[\s*]*of[\s*]*the[\s*]*GNU[\s*]*General[\s*]*Public[\s*]*License[\s*]*as[\s*]*published[\s*]*by[\s*]*the[\s*]*Free[\s*]*Software[\s*]*Foundation[;,][\s*]*either[\s*]*version[\s*]*2[\s*]*of[\s*]*the[\s*]*License,[\s*]*or[\s*]*.at[\s*]*your[\s*]*option.*[\s*]*any[\s*]*later[\s*]*version.[\s*]*This[\s*]*program[\s*]*is[\s*]*distributed[\s*]*in[\s*]*the[\s*]*hope[\s*]*that[\s*]*it[\s*]*will[\s*]*be[\s*]*useful,[\s*]*but[\s*]*WITHOUT[\s*]*ANY[\s*]*WARRANTY;[\s*]*without[\s*]*even[\s*]*the[\s*]*implied[\s*]*warranty[\s*]*of[\s*]*MERCHANTABILITY[\s*]*or[\s*]*FITNESS[\s*]*FOR[\s*]*A[\s*]*PARTICULAR[\s*]*PURPOSE.[\s*]*See[\s*]*the[\s*]*GNU[\s*]*General[\s*]*Public[\s*]*License[\s*]*for[\s*]*more[\s*]*details.[\s*]*\*\/|/* SPDX-License-Identifier: GPL-2.0-or-later */|' $(cat filelist)
perl -i -p0e 's|\/\*[\s*]*.*This[\s*#]*program[\s*#]*is[\s*#]*free[\s*#]*software[;:,][\s*#]*you[\s*#]*can[\s*#]*redistribute[\s*#]*it[\s*#]*and/or[\s*#]*modify[\s*#]*it[\s*#]*under[\s*#]*the[\s*#]*terms[\s*#]*of[\s*#]*the[\s*#]*GNU[\s*#]*General[\s*#]*Public[\s*#]*License[\s*#]*as[\s*#]*published[\s*#]*by[\s*#]*the[\s*#]*Free[\s*#]*Software[\s*#]*Foundation[;:,][\s*#]*either[\s*#]*version[\s*#]*3[\s*#]*of[\s*#]*the[\s*#]*License[;:,][\s*#]*or[\s*#]*.at[\s*#]*your[\s*#]*option.*[\s*#]*any[\s*#]*later[\s*#]*version.[\s*#]*This[\s*#]*program[\s*#]*is[\s*#]*distributed[\s*#]*in[\s*#]*the[\s*#]*hope[\s*#]*that[\s*#]*it[\s*#]*will[\s*#]*be[\s*#]*useful[;:,][\s*#]*but[\s*#]*WITHOUT[\s*#]*ANY[\s*#]*WARRANTY[;:,][\s*#]*without[\s*#]*even[\s*#]*the[\s*#]*implied[\s*#]*warranty[\s*#]*of[\s*#]*MERCHANTABILITY[\s*#]*or[\s*#]*FITNESS[\s*#]*FOR[\s*#]*A[\s*#]*PARTICULAR[\s*#]*PURPOSE.[\s*#]*See[\s*#]*the[\s*#]*GNU[\s*#]*General[\s*#]*Public[\s*#]*License[\s*#]*for[\s*#]*more[\s*#]*details.[\s*]*\*\/|/* SPDX-License-Identifier: GPL-3.0-or-later */|' $(cat filelist)
perl -i -p0e 's|(\#\#*)[\w]*.*is free software[:;][\#\s]*you[\#\s]*can[\#\s]*redistribute[\#\s]*it[\#\s]*and\/or[\#\s]*modify[\#\s]*it[\s\#]*under[\s \#]*the[\s\#]*terms[\s\#]*of[\s\#]*the[\s\#]*GNU[\s\#]*General[\s\#]*Public[\s\#]*License[\s\#]*as[\s\#]*published[\s\#]*by[\s\#]*the[\s\#]*Free[\s\#]*Software[\s\#]*Foundation[;,][\s\#]*version[\s\#]*2[\s\#]*of[\s\#]*the[\s\#]*License.*[\s\#]*This[\s\#]*program[\s\#]*is[\s\#]*distributed[\s\#]*in[\s\#]*the[\s\#]*hope[\s\#]*that[\s\#]*it[\s\#]*will[\#\s]*be[\#\s]*useful,[\#\s]*but[\#\s]*WITHOUT[\#\s]*ANY[\#\s]*WARRANTY;[\#\s]*without[\#\s]*even[\#\s]*the[\#\s]*implied[\#\s]*warranty[\#\s]*of[\#\s]*MERCHANTABILITY[\#\s]*or[\#\s]*FITNESS[\#\s]*FOR[\#\s]*A[\#\s]*PARTICULAR[\#\s]*PURPOSE.[\#\s]*See[\#\s]*the[\#\s]*GNU[\#\s]*General[\#\s]*Public[\#\s]*License[\#\s]*for[\#\s]*more[\#\s]*details.\s(#* *\n)*|\1 SPDX-License-Identifier: GPL-2.0-only\n\n|' $(cat filelist)
perl -i -p0e 's|(\#\#*)[\w*]*.*is free software[:;][\s*]*you[\s*]*can[\s*]*redistribute[\s*]*it[\s*]*and\/or[\s*]*modify[\s*]*it[\s*]*under[\s*]*the[\s*]*terms[\s*]*of[\s*]*the[\s*]*GNU[\s*]*General[\s*]*Public[\s*]*License[\s*]*as[\s*]*published[\s*]*by[\s*]*the[\s*]*Free[\s*]*Software[\s*]*Foundation[;,][\s*]*version[\s*]*2[\s*]*of[\s*]*the[\s*]*License.[\s*]*This[\s*]*program[\s*]*is[\s*]*distributed[\s*]*in[\s*]*the[\s*]*hope[\s*]*that[\s*]*it[\s*]*will[\s*]*be[\s*]*useful,[\s*]*but[\s*]*WITHOUT[\s*]*ANY[\s*]*WARRANTY;[\s*]*without[\s*]*even[\s*]*the[\s*]*implied[\s*]*warranty[\s*]*of[\s*]*MERCHANTABILITY[\s*]*or[\s*]*FITNESS[\s*]*FOR[\s*]*A[\s*]*PARTICULAR[\s*]*PURPOSE.[\s*]*See[\s*]*the[\s*]*GNU[\s*]*General[\s*]*Public[\s*]*License[\s*]*for[\s*]*more[\s*]*details.\s(#* *\n)*|\1 SPDX-License-Identifier: GPL-2.0-only\n\n|' $(cat filelist)
Change-Id: I1008a63b804f355a916221ac994701d7584f60ff
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41177
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-05-08 20:48:04 +02:00
|
|
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
2017-04-05 17:39:57 +02:00
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <stdbool.h>
|
|
|
|
#include <inttypes.h>
|
|
|
|
#include <assert.h>
|
|
|
|
#include "pcr.h"
|
|
|
|
|
|
|
|
const uint8_t *sbbar = NULL;
|
|
|
|
|
|
|
|
uint32_t read_pcr32(const uint8_t port, const uint16_t offset)
|
|
|
|
{
|
|
|
|
assert(sbbar);
|
|
|
|
return *(const uint32_t *)(sbbar + (port << 16) + offset);
|
|
|
|
}
|
|
|
|
|
2018-03-13 21:58:52 +01:00
|
|
|
static void print_pcr_port(const uint8_t port)
|
|
|
|
{
|
|
|
|
size_t i = 0;
|
|
|
|
uint32_t last_reg = 0;
|
|
|
|
bool last_printed = true;
|
|
|
|
|
|
|
|
printf("PCR port offset: 0x%06zx\n\n", (size_t)port << 16);
|
|
|
|
|
|
|
|
for (i = 0; i < PCR_PORT_SIZE; i += 4) {
|
|
|
|
const uint32_t reg = read_pcr32(port, i);
|
|
|
|
const bool rep = i && last_reg == reg;
|
|
|
|
if (!rep) {
|
|
|
|
if (!last_printed)
|
|
|
|
printf("*\n");
|
|
|
|
printf("0x%04zx: 0x%08"PRIx32"\n", i, reg);
|
|
|
|
}
|
|
|
|
|
|
|
|
last_reg = reg;
|
|
|
|
last_printed = !rep;
|
|
|
|
}
|
|
|
|
if (!last_printed)
|
|
|
|
printf("*\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
void print_pcr_ports(struct pci_dev *const sb,
|
|
|
|
const uint8_t *const ports, const size_t count)
|
|
|
|
{
|
|
|
|
size_t i;
|
|
|
|
|
|
|
|
pcr_init(sb);
|
|
|
|
|
|
|
|
for (i = 0; i < count; ++i) {
|
|
|
|
printf("\n========== PCR 0x%02x ==========\n\n", ports[i]);
|
|
|
|
print_pcr_port(ports[i]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-04-05 17:39:57 +02:00
|
|
|
void pcr_init(struct pci_dev *const sb)
|
|
|
|
{
|
|
|
|
bool error_exit = false;
|
|
|
|
bool p2sb_revealed = false;
|
2018-11-20 12:10:29 +01:00
|
|
|
struct pci_dev *p2sb;
|
2019-02-19 11:51:34 +01:00
|
|
|
bool use_p2sb = true;
|
|
|
|
pciaddr_t sbbar_phys;
|
2017-04-05 17:39:57 +02:00
|
|
|
|
|
|
|
if (sbbar)
|
|
|
|
return;
|
|
|
|
|
2018-11-20 12:10:29 +01:00
|
|
|
switch (sb->device_id) {
|
|
|
|
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_PRE:
|
2019-02-19 23:49:11 +01:00
|
|
|
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_PRE:
|
|
|
|
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_BASE_SKL:
|
|
|
|
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_PREM_SKL:
|
|
|
|
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_PREM_SKL:
|
|
|
|
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_BASE_KBL:
|
|
|
|
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_PREM_KBL:
|
|
|
|
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_PREM_KBL:
|
2019-01-02 06:45:16 +01:00
|
|
|
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_IHDCP_BASE:
|
|
|
|
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_IHDCP_PREM:
|
|
|
|
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_IHDCP_PREM:
|
2018-11-20 12:10:29 +01:00
|
|
|
case PCI_DEVICE_ID_INTEL_H110:
|
|
|
|
case PCI_DEVICE_ID_INTEL_H170:
|
|
|
|
case PCI_DEVICE_ID_INTEL_Z170:
|
|
|
|
case PCI_DEVICE_ID_INTEL_Q170:
|
|
|
|
case PCI_DEVICE_ID_INTEL_Q150:
|
|
|
|
case PCI_DEVICE_ID_INTEL_B150:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C236:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C232:
|
|
|
|
case PCI_DEVICE_ID_INTEL_QM170:
|
|
|
|
case PCI_DEVICE_ID_INTEL_HM170:
|
|
|
|
case PCI_DEVICE_ID_INTEL_CM236:
|
|
|
|
case PCI_DEVICE_ID_INTEL_HM175:
|
|
|
|
case PCI_DEVICE_ID_INTEL_QM175:
|
|
|
|
case PCI_DEVICE_ID_INTEL_CM238:
|
2019-08-17 13:54:02 +02:00
|
|
|
case PCI_DEVICE_ID_INTEL_C621:
|
2020-11-03 13:46:41 +01:00
|
|
|
case PCI_DEVICE_ID_INTEL_C621A:
|
2019-08-17 13:54:02 +02:00
|
|
|
case PCI_DEVICE_ID_INTEL_C622:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C624:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C625:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C626:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C627:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C628:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C629:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C624_SUPER:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C627_SUPER_1:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C621_SUPER:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C627_SUPER_2:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C628_SUPER:
|
2019-01-12 19:20:50 +01:00
|
|
|
case PCI_DEVICE_ID_INTEL_DNV_LPC:
|
2018-11-20 12:10:29 +01:00
|
|
|
p2sb = pci_get_dev(sb->access, 0, 0, 0x1f, 1);
|
|
|
|
break;
|
|
|
|
case PCI_DEVICE_ID_INTEL_APL_LPC:
|
|
|
|
p2sb = pci_get_dev(sb->access, 0, 0, 0x0d, 0);
|
|
|
|
break;
|
2019-02-19 11:51:34 +01:00
|
|
|
case PCI_DEVICE_ID_INTEL_H310:
|
|
|
|
case PCI_DEVICE_ID_INTEL_H370:
|
|
|
|
case PCI_DEVICE_ID_INTEL_Z390:
|
|
|
|
case PCI_DEVICE_ID_INTEL_Q370:
|
|
|
|
case PCI_DEVICE_ID_INTEL_B360:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C246:
|
|
|
|
case PCI_DEVICE_ID_INTEL_C242:
|
|
|
|
case PCI_DEVICE_ID_INTEL_QM370:
|
|
|
|
case PCI_DEVICE_ID_INTEL_HM370:
|
|
|
|
case PCI_DEVICE_ID_INTEL_CM246:
|
2019-06-12 06:23:46 +02:00
|
|
|
case PCI_DEVICE_ID_INTEL_CANNONPOINT_LP_U_PREM:
|
2020-08-08 18:17:31 +02:00
|
|
|
case PCI_DEVICE_ID_INTEL_COMETPOINT_LP_U_PREM:
|
|
|
|
case PCI_DEVICE_ID_INTEL_COMETPOINT_LP_U_BASE:
|
2020-01-04 15:14:59 +01:00
|
|
|
case PCI_DEVICE_ID_INTEL_ICELAKE_LP_U:
|
2019-02-19 11:51:34 +01:00
|
|
|
sbbar_phys = 0xfd000000;
|
|
|
|
use_p2sb = false;
|
|
|
|
break;
|
2018-11-20 12:10:29 +01:00
|
|
|
default:
|
|
|
|
perror("Unknown LPC device.");
|
|
|
|
exit(1);
|
|
|
|
}
|
2017-04-05 17:39:57 +02:00
|
|
|
|
2019-02-19 11:51:34 +01:00
|
|
|
if (use_p2sb) {
|
|
|
|
if (!p2sb) {
|
|
|
|
perror("Can't allocate device node for P2SB.");
|
2017-04-05 17:39:57 +02:00
|
|
|
exit(1);
|
|
|
|
}
|
2019-02-19 11:51:34 +01:00
|
|
|
|
|
|
|
/* do not fill bases here, libpci refuses to refill later */
|
|
|
|
pci_fill_info(p2sb, PCI_FILL_IDENT);
|
|
|
|
if (p2sb->vendor_id == 0xffff && p2sb->device_id == 0xffff) {
|
|
|
|
printf("Trying to reveal Primary to Sideband Bridge "
|
|
|
|
"(P2SB),\nlet's hope the OS doesn't mind... ");
|
|
|
|
/* Do not use pci_write_long(). Bytes
|
|
|
|
surrounding 0xe0 must be maintained. */
|
|
|
|
pci_write_byte(p2sb, 0xe0 + 1, 0);
|
|
|
|
|
|
|
|
pci_fill_info(p2sb, PCI_FILL_IDENT | PCI_FILL_RESCAN);
|
|
|
|
if (p2sb->vendor_id != 0xffff ||
|
|
|
|
p2sb->device_id != 0xffff) {
|
|
|
|
printf("done.\n");
|
|
|
|
p2sb_revealed = true;
|
|
|
|
} else {
|
|
|
|
printf("failed.\n");
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
pci_fill_info(p2sb, PCI_FILL_BASES | PCI_FILL_CLASS);
|
|
|
|
|
|
|
|
sbbar_phys = p2sb->base_addr[0] & ~0xfULL;
|
2017-04-05 17:39:57 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
printf("SBREG_BAR = 0x%08"PRIx64" (MEM)\n\n", (uint64_t)sbbar_phys);
|
|
|
|
sbbar = map_physical(sbbar_phys, SBBAR_SIZE);
|
|
|
|
if (sbbar == NULL) {
|
|
|
|
perror("Error mapping SBREG_BAR");
|
|
|
|
error_exit = true;
|
|
|
|
}
|
|
|
|
|
2019-02-19 11:51:34 +01:00
|
|
|
if (use_p2sb) {
|
|
|
|
if (p2sb_revealed) {
|
|
|
|
printf("Hiding Primary to Sideband Bridge (P2SB).\n");
|
|
|
|
pci_write_byte(p2sb, 0xe0 + 1, 1);
|
|
|
|
}
|
|
|
|
pci_free_dev(p2sb);
|
2017-04-05 17:39:57 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
if (error_exit)
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
void pcr_cleanup(void)
|
|
|
|
{
|
|
|
|
if (sbbar)
|
|
|
|
unmap_physical((void *)sbbar, SBBAR_SIZE);
|
|
|
|
}
|